CN116065242A - Grating bar grating group with adjustable gap and seed cotton cleaning machine formed by same - Google Patents

Abstract

The invention belongs to the field of agricultural machinery, and in particular relates to a grid group which can adjust the gap between grids according to different conditions of seed cotton, and a seed cotton cleaning machine formed therefrom. A grid group with adjustable gaps, including grids and a grid gap adjustment mechanism, the structure of the grids includes a plurality of grids supporting wall panels, adjustable grids, and fixed round grids; A seed cotton cleaning machine with adjustable gaps between the grilles, including a casing, a cotton feeding port, a nail roller, a cotton outlet, and a miscellaneous discharge port, and a grill group with adjustable gaps. The gap-adjustable grill grid group provided by the invention has a reasonable structure, is economical and practical, and realizes the control and adjustment of the gap between the grill bars. The seed cotton cleaning machine with adjustable gaps between the grids provided by the invention has a reasonable structure, and the parameters of the device are adjusted according to the difference in the raw material characteristics of the seed cotton, which greatly improves the cleaning quality of the seed cotton and realizes matching machines according to the flowers.

Description

Grill grid group with adjustable gap and seed cotton cleaning machine

technical field

The invention belongs to the field of agricultural machinery, and in particular relates to a grid grid group which can adjust the grid gap according to different conditions of seed cotton, and a seed cotton cleaning machine formed therefrom.

Background technique

At present, my country's seed cotton cleaning equipment generally has backward cotton processing equipment, low degree of intelligent automatic control, and cannot be automatically controlled according to different natural properties of cotton. Different institutional parameters are adopted to automate the transformation of seed cotton cleaning machines. It is of great significance to improve technology and narrow the gap with advanced countries.

The existing seed cotton cleaning machines can be divided into two types according to the flow of cotton: a horizontal seed cotton cleaning machine with a horizontal flow of cotton flow and an inclined seed cotton cleaning machine with an inclined flow of cotton flow.

Chinese patent CN20489154U shows a kind of inclined seed cotton cleaning machine. It can be known from its structure that it is equipped with a plurality of nailing rollers, and a grid is provided at a certain distance below each nailing roller. The gap between them is an important factor affecting the cleaning efficiency of seed cotton. Chinese patent document CN204849154U does not specify the basic structure of the grid. The grid can be considered as an assembly of several parallel grids assembled through end plates. It is similar to the fence structure as a whole, so it is called Grille. The spacing between adjacent grid bars is roughly the same, and the impurities generated by cleaning will fall through the gaps between the grid bars. The non-standard name of the grid bar also includes grid bar, grid bar and so on.

It should be noted that the function of the grille is not only to separate the seed cotton from the separated impurities, there is a relatively large relative movement between the grille and the rotating spike roller, and the seed cotton wound by the spike roller During the traveling process, there will be friction and impact with the grid, so that the impurities and the seed cotton will be separated. The intensity of friction and beating is related to the shape and spacing of the bars on the grille. Therefore, for different quality seed cotton, adapting different bar spacings is in line with the technical development direction of matching cars with flowers. However, the grids on the grids of the seed cotton cleaning machines that exist in the market are generally welded to the end plates, that is, the grids are relatively fixed, and the distance between them cannot be adjusted, so that it is impossible to match the car according to the flower.

Chinese patent document CN204849132U discloses a grid grid screen used in a seed cotton cleaning machine, which provides the usual structure of the grid, which has two end plates and a number of flat steel bars, that is, grid bars, and the two end plates are arranged in parallel. In order to determine the width of the grid, the flat steel plates are arranged in sequence on the top of the end plates and fixedly connected. In order to improve the overall rigidity, there are several ribs between the two end plates. The ribs and the flat steel are interwoven into a mesh. It uses flat steel instead of round steel to improve the cleaning effect, but the distance between the flat steel cannot be adjusted. In other words, its cleaning effect is relatively fixed, and it is impossible to match cars with flowers.

Contents of the invention

The purpose of the present invention is to solve the problem that the existing seed cotton cleaning machine cannot adjust the device parameters according to the difference in the raw material characteristics of the seed cotton. In order to further improve the quality of seed cotton cleaning, the present invention provides a reasonable structure, economical and practical adjustable The gap grid grid group further provides a reasonable structure. For different quality seed cotton, the gap between the grid bars can be adjusted according to the different conditions of the seed cotton, which greatly improves the quality of seed cotton cleaning and realizes the seed cotton cleaning machine that matches the car according to the flower.

A grid group with adjustable gaps mainly includes a grid and a grid gap adjustment mechanism. The structure of the grid includes a plurality of grid support wall panels, adjustable grids, and fixed round grids;

A plurality of the grid support wallboards are vertically arranged at intervals in front and back in parallel, and the upper edge of each grid support wallboard is an arc-shaped curved surface. On the upper edge of the grid support wallboard, along The arc-shaped curved surface is provided with a plurality of supporting holes arranged at intervals.

The cross-sectional shape of the adjustable grid bar is a rectangle with rounded corners. The adjustable grid bar and the fixed round grid bar pass through the plurality of vertically arranged grid bars to support the wall panels. The adjustable grid bars and the fixed round grid bars are arranged at intervals, and a fixed round grid bar is arranged between every two adjustable grid bars. Each of the adjustable grid bars is supported by the grid through a shaft sleeve The support holes on the wallboard are connected and installed so that each adjustable grid can rotate freely relative to the grid support wallboard; each of the fixed round grids and the grid support wallboard Support holes for fixed installation.

Each of the above-mentioned adjustable grids is provided with the shaft head end of the outermost grid supporting the wallboard, which is connected with the grid gap adjustment mechanism. The structure of the grid gap adjustment mechanism mainly includes: a gear, an arc rack, a slide rail, and an electric push rod, and the gear is installed on the protruding end of each of the above-mentioned adjustable grid bars; the arc rack is located below the gear, and the arc rack is located below the gear. The shape is arc-shaped, which matches the shape of the upper edge of the grid supporting the wallboard. The upper edge of the arc-shaped rack is provided with teeth, and the teeth are meshed with the gear; the arc-shaped rack is embedded in the Inside the slide rail, it can slide left and right along the slide rail; one end of the push rod of the electric push rod is hinged with the arc-shaped rack.

As a preference, in the structure of the gap-adjustable grid group, the grids are divided into two groups, and the adjustable grids on each set of grids are provided with the outermost grids. The shaft end of the supporting wallboard is connected with the grille gap adjustment mechanism. The structure of the grille gap adjustment mechanism mainly includes: multiple gears, two sets of arc-shaped racks, two sets of slide rails, connecting arms , electric push rod, the gear is installed on the end of each of the above-mentioned adjustable grids; each grid is equipped with a set of arc racks and a set of slide rails, and the arc racks are located Below, the arc-shaped rack is arc-shaped, matching the shape of the upper edge of the grid support wall panel, and the upper edge of the arc-shaped rack is provided with teeth, and the teeth are meshed with the gear ; The curved rack is embedded in the slide rail and slides left and right along the slide rail;

The connecting arm is a "T"-shaped connector, the two horizontal ends are respectively hinged with the arc-shaped racks of the two groups of grilles, and the lower end is hinged with one end of the push rod of the electric push rod.

Optionally, in the structure of the grid, stiffeners are set on the inner walls of the two outermost grid support wall panels.

A seed cotton cleaning machine with adjustable gaps between grids, including a machine casing, a cotton feeding port, a nail roller, a cotton outlet, and a miscellaneous discharge port, and is characterized in that it is also provided with a grid group with adjustable gaps. The grille group mainly includes a grille and a grille gap adjustment mechanism, and the structure of the grille includes a plurality of grille support wall panels, adjustable grilles, and fixed round grilles;

A plurality of the grid support wallboards are vertically arranged at intervals in front and back in parallel, and the upper edge of each grid support wallboard is an arc-shaped curved surface. On the upper edge of the grid support wallboard, along The arc-shaped surface has a plurality of support holes arranged at intervals;

The cross-sectional shape of the adjustable grid bar is a rectangle with rounded corners. The adjustable grid bar and the fixed round grid bar pass through the plurality of vertically arranged grid bars to support the wall panels. Adjustable grid bars and fixed round grid bars are arranged at intervals, and there is a fixed round grid bar between every two adjustable grid bars, and each adjustable grid bar supports the wallboard through the shaft sleeve and the grid bar The support holes on the grid are connected and installed so that each adjustable grid bar can rotate freely relative to the grid support wall panel; each of the fixed round grid bars is connected with the support hole on the grid support wall panel Fixed installation;

Each of the above-mentioned adjustable grids is provided with the shaft head end of the outermost grid supporting the wallboard, which is connected with the grid gap adjustment mechanism. The structure of the grid gap adjustment mechanism mainly includes: a gear, an arc rack, a slide rail, and an electric push rod, and the gear is installed on the protruding end of each of the above-mentioned adjustable grid bars; the arc rack is located below the gear, and the arc rack is located below the gear. The shape is arc-shaped, which matches the shape of the upper edge of the grid supporting the wallboard. The upper edge of the arc-shaped rack is provided with teeth, and the teeth are meshed with the gear; the arc-shaped rack is embedded in the Inside the slide rail, it can slide left and right along the slide rail; one end of the push rod of the electric push rod is hinged with the arc-shaped rack.

Optionally, in the structure of the seed cotton cleaning machine with adjustable grid gaps, the grid grid group includes two groups of grid grids, and the adjustable grid bars on each group of grid grids Both are equipped with the shaft head end of the outermost grid supporting the wallboard, which is connected with the grid gap adjustment mechanism. The structure of the grid gap adjustment mechanism mainly includes: multiple gears, two sets of arcs Shaped racks, two sets of slide rails, connecting arms, and electric push rods, the gears are installed on the protruding ends of each of the above-mentioned adjustable grids; each grid is equipped with a set of arc-shaped racks, a set of The slide rail, the arc-shaped rack is located below the gear, and the shape of the arc-shaped rack is arc-shaped, which is suitable for the shape of the upper edge of the grille grid supporting wallboard of the grille. The upper edge of the arc-shaped rack There are teeth, and the teeth mesh with the gear; the arc-shaped rack is embedded in the slide rail and can slide left and right along the slide rail;

The connecting arm is a "T"-shaped connecting piece, the two lateral ends are respectively hinged with the arc-shaped racks of the two groups of grilles, and the lower end is hinged with one end of the push rod of the electric push rod.

As a preference, the electric push rod has a fish-eye bearing at the top end, which is hinged with the connecting arm, and one end of the tail is connected with the grid support frame through a rotatable bracket, and the expansion and contraction of the electric push rod is a grid gap adjustment mechanism. Provide power. A rotatable bracket is provided, so that the electric push rod and the connecting arm can cooperate more flexibly.

In the structure of the gap-adjustable grid group provided by the present invention, it includes a plurality of grids to support wallboards, and the number of supporting wallboards can be arranged equidistantly and placed vertically according to the length of the grids. All the supporting walls The plates are parallel to each other, and upper edges of arc-shaped surfaces are arranged on them to match the rotation track of the nailing roller, and a plurality of support holes are arranged on the upper edges of the arc-shaped surfaces.

The adjustable grid is a through-diameter piece, which is in the shape of a cuboid as a whole, and the four edges are rounded to reduce damage to cotton fibers. The adjustable grid is equipped with a shaft sleeve. The inner ring of the shaft sleeve is the same size as the adjustable grid, and the outer ring can be matched with the supporting hole of the supporting wall. The position and support of the shaft sleeve on the adjustable grid Corresponding to the support holes of the wallboard, at least one end of the adjustable grid bar must protrude from the boundary of the supporting wallboard to cooperate with the grid bar gap adjustment mechanism.

On the inner walls of the two outermost grilles supporting wall panels, stiffeners are set up to increase the overall strength of the grilles. Every two adjustable grids are set at intervals, with non-adjustable round grids in the middle to increase the overall mechanical properties and stability of the grid.

The grid gap adjustment mechanism described in the present invention includes:

The gear is installed at the end of the above-mentioned adjustable grid bar; the arc rack, the shape of the arc rack and the upper edge of the supporting wallboard is a concentric circle, and the teeth on the arc rack and the shaft head of the adjustable grid Gear fit. When the arc-shaped rack moves to drive the gear to rotate, the gap between the grilles can be adjusted.

The slide rail cooperates with the arc rack to guide and position the arc rack.

The connecting arm is a "T"-shaped connector. The two ends of the upper part are hinged with the two groups of arc-shaped racks to connect the two groups of arc-shaped racks into one group. The lower end cooperates with the electric push rod. The push rod drives the connecting arm to swing left and right, and the two groups of arc-shaped racks respectively drive the gears on the two groups of grilles to rotate. The adjustable grilles on the two groups of grilles can be adjusted synchronously to adjust the gap between them and the round grilles. .

The electric push rod is relatively fixed to the grid wall panel. The top of the push rod is a fish-eye bearing, and the tail of the push rod is a rotatable bracket, which cooperates with the connecting arm. The telescopic push rod provides power for the overall adjustment mechanism.

Each group of grilles can be set up with a separate electric push rod to adjust the gap, or through the connecting arm, the two groups of grills can be adjusted synchronously through an electric push rod.

In the structure of the present invention, the grids are arranged at intervals between the adjustable grids and the fixed circular grids, which can realize the control of the gap between the grids. With cooperation, the accuracy and stability of the gap adjustment of the grille can be realized. The two groups of grids in the grid group are connected by connecting arms, and then driven by electric push rods, so that the two groups of grids can change synchronously. The electric push rod drive has stable transmission and good controllability, which can make the grid The adjustment performance of the grid group is better.

In the seed cotton cleaning machine with adjustable gaps between grids provided by the present invention, the cleaning part includes a spike roller and a grid group with adjustable gaps. The cotton feeding port is located at the uppermost end of the cleaning part; the cotton outlet is located at the The upper end of the grille in the cleaning department; the miscellaneous discharge port is located at the bottom of the cleaning department. The grille gap adjustment mechanism is a rotary variable-diameter gap adjustment mechanism, and the grille gap adjustment mechanism is located on the side of the grille group; the rotary movement of the adjustable grille is completed by the electric push rod, gear, and arc-shaped rack. The control signal is transmitted to the electric push rod, and the electric push rod drives the grid gap adjustment mechanism, so that the adjustable grid rotates a certain angle according to the need, and finally achieves the purpose of controlling the grid gap. The controller completes the control of the rotation angle of the grid bar by controlling the electric push rod, so that the finally obtained gap parameter reaches the expected value.

The base of the electric push rod is fixedly connected with the overall casing, the gear of the grid group and the arc rack are matched at one end of the grid, the gear and the adjustable grid are relatively fixed, and the arc rack The position is limited by the guide rail to ensure that the arc rack can move on a specific track. The guide rail is fixed to the casing, and the adjustable grill is fixed to the grill support plate through the bushing to ensure rotation.

Compared with the prior art, the gap-adjustable grid group provided by the present invention is reasonable in structure, economical and practical, and the grid gap adjustment mechanism is driven by the electric push rod, so that the adjustable grid can rotate a certain angle according to the need, Realize the control and adjustment of the gap between the grid bars. The seed cotton cleaning machine with adjustable gaps between the grids provided by the present invention has a reasonable structure. The parameters of the device are adjusted according to the differences in the raw material characteristics of the seed cotton, and the gap between the grids can be adjusted according to the conditions of the seed cotton. with car.

Description of drawings

Fig. 1 is a front structural schematic diagram of an embodiment of a seed cotton cleaning machine of the present invention.

Fig. 2 is a three-dimensional schematic diagram of the seed cotton cleaning machine of the present invention.

Fig. 3 is a three-dimensional structure schematic diagram of another angle of the seed cotton cleaning machine of the present invention.

Fig. 4 is a schematic diagram of the installation and cooperation structure of the nailing roller and the grid group in the embodiment of the seed cotton cleaning machine of the present invention.

Fig. 5 is a structural schematic diagram of the installation positions of the two groups of grilles in the embodiment of the grille group with adjustable gap in the present invention.

Fig. 6 is a schematic diagram of the structure of the installation position of a group of grilles, which is a group of grilles with adjustable gaps according to the present invention.

FIG. 7 is a schematic perspective view of the three-dimensional structure of FIG. 6 .

As shown in the figure: 1 is the nail roller, 2 is the grille, 3 is the front grille assembly, 4 is the middle grille assembly, 5 is the rear grille assembly, 6 is the adjustable grille, and 7 is the Fixed circular grid, 8 is gear, 9 is arc rack, 10 is connecting arm, 11 is electric push rod, 12 is grid support wallboard, 13 is shaft sleeve, 14 is grid support frame, 15 Be the arc rack slide rail, 16 is the casing, 17 is the cotton feeding mouth, 18 is the cotton outlet, and 19 is the miscellaneous outlet.

Detailed ways

The present invention will be further described in detail through specific embodiments below in conjunction with the accompanying drawings.

Example 1:

As shown in Figure 5, a grid group with adjustable gaps mainly includes a grid 2 and a grid gap adjustment mechanism. The structure of the grid 2 includes a plurality of grid support wall panels 12, which can Adjust grid bar 6, fix round grid bar 7;

A plurality of the grid support wallboards 12 are vertically arranged at intervals between front and back in parallel, and the upper edge of each grid support wallboard 12 is an arc-shaped curved surface. The edge, along the curved surface, is provided with a plurality of supporting holes arranged at intervals.

The cross-sectional shape of the adjustable grid bar 6 is a rectangle with rounded corners, and the adjustable grid bar 6 and the fixed round grid bar 7 all pass through the plurality of vertically arranged grid grid support wall panels 12 , the adjustable grid bars 6 and the fixed round grid bars 7 are arranged at intervals, and a fixed round grid bar 7 is arranged between every two adjustable grid bars 6, and each of the adjustable grid bars 6 passes through the shaft sleeve 13. Connect and install with the support holes on the grid support wallboard 12, so that each adjustable grid bar 6 can rotate freely relative to the grid grid support wallboard 12; each of the fixed round grids The bar 7 is fixedly installed with the supporting holes on the supporting wallboard 12 of the grid.

Each of the above-mentioned adjustable grid bars 6 is provided with the shaft head end of the outermost grid grid supporting wallboard 12, which is connected with the grid gap adjustment mechanism. The structure of the grid gap adjustment mechanism mainly includes : a plurality of gears 8, arc-shaped racks 9, slide rails 15, electric push rods 11, the gears 8 are installed on the end ends of each of the above-mentioned adjustable grid bars 6; the arc-shaped racks 9 are located Below the gear 8, the shape of the curved tooth bar 9 is arc-shaped, which is suitable for the shape of the upper edge of the grid support wallboard 12, and the curved tooth bar 9 upper edge is provided with teeth, and the teeth and the The gears 8 are meshed; the arc rack 9 is embedded in the slide rail 15 and can slide left and right along the slide rail 15; one end of the push rod of the electric push rod 11 is hinged to the arc rack 9 .

In the structure of this embodiment, the grid grid 2 is arranged at intervals between the adjustable grid bars 6 and the fixed circular grid bars 7, and is meshed with the gear 8 at the end of the adjustable grid bars 6 through the arc-shaped racks 9. The rack 9 is driven by the electric push rod 11, each adjustable grid bar 6 rotates a certain angle at the same time, the gap between the adjustable grid bar 6 and the fixed round grid bar 7 changes, and the gap between the grid bars can be realized. The control and adjustment of the electric push rod 11 drive has a stable transmission and good controllability, which can make the adjustment performance of the grid group better.

Example 2:

Compared with Embodiment 1, the present embodiment differs in that:

The grid bars 2 are two groups, and the adjustable grid bars 6 on each group of grid bars 2 are provided with the shaft ends of the outermost grid bars to support the wall panels 12, which are connected with the grid bars. The gap adjustment mechanism is connected, and the structure of the grid gap adjustment mechanism mainly includes: multiple gears 8, two sets of arc-shaped racks 9, two sets of slide rails 15, connecting arms 10, electric push rods 11, the gears 8 Installed on the protruding end of each of the above-mentioned adjustable grid bars 6; , the shape of the arc rack 9 is arc, which is suitable for the shape of the upper edge of the grid support wall panel 12, and the upper edge of the arc rack 9 is provided with teeth, and the teeth are connected with the gear 8 Mesh with each other; the arc rack 9 is embedded in the slide rail 15, and can slide left and right along the slide rail 15;

The connecting arm 10 is a "T"-shaped connector, and the two horizontal ends are respectively hinged with the arc-shaped racks 9 of the two groups of grilles 2, and the lower end is hinged with one end of the push rod of the electric push rod 11.

In the structure of the present invention, the grid grid 2 is arranged at intervals between the adjustable grid bars 6 and the fixed circular grid bars 7, which can realize the control of the gap between the grid bars. The gear 8 at the end cooperates to realize the accuracy and stability of the gap adjustment of the grid. The two sets of grids 2 in the grid group are connected through the connecting arm 10, and then driven by the electric push rod 11, so that the two sets of grids 2 can change synchronously. The drive of the electric push rod 11 has stable transmission and good controllability The characteristics can make the adjustment performance of the grid grid group better.

Embodiment 3:

Compared with Embodiment 1, the present embodiment differs in that:

In the structure of the grid 2 , reinforcing ribs are set on the inner side walls of the two outermost grid support wall panels 12 .

Embodiment 4:

A seed cotton cleaning machine with adjustable gaps between grids, comprising a casing 16, a cotton feeding port 17, a spike roller 1, a cotton outlet 18, and a miscellaneous discharge port 19, and a grid group with adjustable gaps, The grid grid group mainly includes grid grid 2 and grid gap adjustment mechanism, and the structure of the grid grid 2 includes a plurality of grid grid support wall panels 12, adjustable grid bars 6, and fixed circular grid bars 7;

A plurality of the grid support wallboards 12 are vertically arranged at intervals between front and back in parallel, and the upper edge of each grid support wallboard 12 is an arc-shaped curved surface. The edge, along the curved surface, is provided with a plurality of supporting holes arranged at intervals;

The cross-sectional shape of the adjustable grid bar 6 is a rectangle with rounded corners, and the adjustable grid bar 6 and the fixed round grid bar 7 all pass through the plurality of vertically arranged grid grid support wall panels 12 , the adjustable grid bars 6 and the fixed round grid bars 7 are arranged at intervals, and a fixed round grid bar 7 is arranged between every two adjustable grid bars 6, and each of the adjustable grid bars 6 passes through a shaft sleeve 13. Connect and install with the support holes on the grid support wall panel 12, so that each adjustable grid bar 6 can rotate freely relative to the grid grid support wall panel 12; each of the fixed round grids Bar 7 is fixedly installed with the support hole of described grille grid support wallboard 12.

Each of the above-mentioned adjustable grid bars 6 is provided with the shaft head end of the outermost grid grid supporting wallboard 12, which is connected with the grid gap adjustment mechanism. The structure of the grid gap adjustment mechanism , mainly including: a plurality of gears 8, two sets of arc-shaped racks 9, two sets of slide rails 15, connecting arms 10, electric push rods 11, the gears 8 are installed on the protruding ends of each of the above-mentioned adjustable grid bars 6 Head end; each set of grid bars 2 is equipped with a set of arc racks 9 and a set of slide rails 15, the arc racks 9 are located below the gear 8, and the shape of the arc racks 9 is arc-shaped, matching the grid The shape of the upper edge of the bar grid support wallboard 12 is suitable, and the upper edge of the arc rack 9 is provided with teeth, and the teeth are meshed with the gear 8; the arc rack 9 is embedded in the sliding Inside the rail 15, it can slide left and right along the slide rail 15;

The connecting arm 10 is a "T"-shaped connecting piece, the two lateral ends are respectively hinged with the arc-shaped racks 9 of the two groups of grilles, and the lower end is hinged with one end of the push rod of the electric push rod 11 . Two grilles 2 are a group, connected by a connecting arm 10 and driven by an electric push rod 11 .

Because the flower matching machine is a necessary development direction of cotton processing machinery, the online adjustment of the working parameters of cotton processing equipment is the main development direction. The diagram is detailed as follows:

As shown in Fig. 1, the nailing roller group includes six nailing rollers 1, and the grid grid group 2 is also equipped with six grid grids correspondingly, including the front grid grid assembly 3, the middle grid grid assembly 4, and the rear grid grid assembly. Component 5; this configuration is the basic configuration of the seed cotton cleaning machine. The seed cotton cleaning machine shown in Figure 1 is a horizontal seed cotton cleaning machine, and the grid gap adjustment mechanisms based on the horizontal and inclined seed cotton cleaning machines are all relative to the grid, so the examples of the present invention are also applicable to inclined seed cotton cleaning machine. The adjustment of the working parameters will be described below.

The seed cotton cleaning machine with adjustable grid gap of the present invention comprises a nailing roller 1, a grid grid group 2 (including a front grid grid assembly 3, a middle grid grid assembly 4, and a rear grid grid assembly 5). Adjustable grid bar 6, round grid bar 7, gear 8, arc rack 9, connecting arm 10, electric push rod 11, grid wall panel 12, shaft sleeve 13, grid support frame 14, arc rack Slide rail 15, casing 16, cotton feeding port 17, cotton outlet port 18, miscellaneous discharge port 19.

Different from the traditional grid, the grid in the example of the present invention has the ability to adjust the gap, so the layout of the grid is different from the layout of the existing grid. The nailing roller 1 adapted to the grid group is located above the grid 2, the part of the grid that cooperates with the nailing roller 1 is arc-shaped, and the grids are also distributed in an arc shape. In the initial state, the upper part of the grid The surface is parallel to the cutting surface of the arc surface of the nailing roller 1. When the adjustment is started, all the adjustable grids 6 are driven by the gears to rotate at the same angle, so as to ensure that the nailing roller 1 and the grid 2 are well matched and the grids The grid 2 has the most stable structure to achieve the best cleaning effect.

The grid gap adjustment mechanism is placed on the grid support frame 14, and each grid 2 is a group, which is connected by a connecting arm 10 and driven by an electric push rod 11; the electric push rod 11 is fixed on the grid On the steel plate of the grid support frame 14, keep the same movement tendency as the grid grid, so that the relative movement between the grid grid and the electric push rod 11 is only the motion caused when the electric push rod stretches, thereby ensuring that the electric push rod 11 Stability and reliability during work; the top of each adjustable grid bar 6 is equipped with a gear 8, and each grid grid group is matched with an arc-shaped rack 9, and the arc-shaped rack 9 is connected with each adjustable rack. The gears 8 at the end of the adjustable bar 6 cooperate to form a group of actuators; each arc-shaped rack has a sliding rail 15 matched with it at both ends, which plays the role of fixing and guiding the arc-shaped rack 9, and the sliding rail 15 fixed, and keep relatively stationary with the grid support frame 14;

The working process of this embodiment:

Combined with Figures 2, 3, and 4, when the seed cotton cleaning machine is working, the seed cotton enters the cleaning part from the cotton feeding port 17 to clean and remove impurities. According to different characteristics of the seed cotton, different grid adjustment signals are sent to the electric push rod 11, and The push rod 11 makes adjustments after receiving the signal, the push rod moves in a straight line, and the electric push rod 11 expands and contracts to a given length, so that the adjustable grid bar 6 turns over a certain angle; the curved rack 9 is under the action of the electric push rod Slide along the slide rail; the arc-shaped rack 9 drives the gear 8 at the end of the grid to rotate, thereby transmitting the motion to the adjustable grid 6, so that the adjustable grid 6 rotates at a certain angle and changes the relative positional relationship; because the grid The bar is non-circular, so when it is rotated to a different angle, the distance between two adjacent bars will change, so as to achieve the purpose of controlling the gap between the bars; 1 is wrapped around the seed cotton and rotates counterclockwise, then the nail roller 1 and the grille group 2 produce friction and impact, thereby separating the impurities from the seed cotton, and the impurities separated by the cleaning part are discharged from the waste discharge port 19 of the recovery part, and then The seed cotton cleaned by the cleaning section is discharged through the cotton outlet 18, and the whole cleaning process is completed.

By increasing the automatic adjustment performance of the seed cotton cleaning machine, the automation degree of the seed cotton cleaning machine is improved; it can adapt to the improvement direction of different working parameters according to the raw material characteristics of the seed cotton, and conforms to the development direction of cotton processing technology due to flower matching, which can effectively improve The working quality of the seed cotton cleaning machine.

Embodiment 5:

Compared with embodiment 4, the present embodiment differs in that:

In the structure of the seed cotton cleaning machine with adjustable gaps between the grids, the grid group includes the grids 2 as a group, and the adjustable grids 6 on the grids 2 are all provided with extensions. The shaft ends of the outermost grid support wall panels 12 are connected to the grid gap adjustment mechanism. The structure of the grid gap adjustment mechanism mainly includes: multiple gears 8, arc-shaped racks 9, slide rails 15. Electric push rod 11, the gear 8 is installed on the end of each of the above-mentioned adjustable grid bars 6; the arc-shaped rack 9 is located below the gear 8, and the shape of the arc-shaped rack 9 is an arc shape, which matches the shape of the upper edge of the grid support wall panel 12, the upper edge of the arc rack 9 is provided with teeth, and the teeth are meshed with the gear 8; the arc rack 9 is embedded Inside the slide rail 15 , it can slide left and right along the slide rail 15 ; one end of the push rod of the electric push rod 11 is hinged with the arc-shaped rack 9 . The curved tooth bar 9 of every group of grid bar grid 2 is driven by an electric push rod 11, and slides along slide rail 15 left and right.

Embodiment 6:

Compared with Embodiment 4, this embodiment differs in that: the top end of the electric push rod 11 is provided with a fish-eye bearing, which is hinged with the connecting arm 10, and the tail end is supported by a rotatable bracket and a grid The frame 14 is connected, and the expansion and contraction of the electric push rod 11 provides power for the lattice bar gap adjustment mechanism. The rotatable bracket is provided, so that the electric push rod 11 and the connecting arm 10 can cooperate more flexibly.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. It should be pointed out that any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the present invention. within the scope of protection of the invention.

Claims (6)

1. The grid set with adjustable gaps is characterized by mainly comprising grid bars and a grid bar gap adjusting mechanism, wherein the grid bar structure comprises a plurality of grid bar supporting wallboards, adjustable grid bars and fixed round grid bars;

the grid support wallboards are vertically arranged at intervals in parallel front and back, the upper edge of each grid support wallboard is an arc-shaped curved surface, and a plurality of support holes which are arranged at intervals are formed in the upper edge of each grid support wallboard along the trend of the arc-shaped curved surface;

the cross section of each adjustable grating strip is rectangular with round corners, the adjustable grating strips and the fixed round grating strips penetrate through the grating support wallboards which are vertically arranged, the adjustable grating strips and the fixed round grating strips are arranged at intervals, a fixed round grating strip is arranged between every two adjustable grating strips, and each adjustable grating strip is connected with a support hole on the grating support wallboard through a shaft sleeve, so that each adjustable grating strip can rotate freely relative to the grating support wallboard; each fixed round grid bar is fixedly arranged with a supporting hole on the grid bar supporting wallboard;

each adjustable lattice bar is provided with a shaft head end extending out of the outermost lattice bar grid supporting wallboard, and is connected with the lattice bar gap adjusting mechanism, and the structure of the lattice bar gap adjusting mechanism mainly comprises: the gear is arranged at the end head end of each adjustable bar, which extends out; the arc-shaped rack is positioned below the gear, the shape of the arc-shaped rack is arc-shaped and is matched with the shape of the upper edge of the grid supporting wallboard, the upper edge of the arc-shaped rack is provided with teeth, and the teeth are meshed with the gear; the arc-shaped rack is embedded in the sliding rail and can slide left and right along the sliding rail; one end of the push rod of the electric push rod is hinged with the arc-shaped rack.

2. The adjustable gap grating set as set forth in claim 1, wherein said grating is divided into two groups, each of said adjustable grating sets having an end of said shaft extending beyond said outermost grating support wall plate, said adjustable gap grating set being connected to said grating gap adjustment mechanism, said adjustable gap grating set comprising: the gear is arranged at the end of each adjustable strip, which extends out; each grid is provided with a group of arc racks and a group of sliding rails, the arc racks are positioned below the gears, the arc racks are arc-shaped and are matched with the upper edge of the grid supporting wallboard in shape, teeth are arranged on the upper edge of each arc rack, and the teeth are meshed with the gears; the arc-shaped rack is embedded in the sliding rail and can slide left and right along the sliding rail;

the connecting arm is a T-shaped connecting piece, two transverse end parts are respectively hinged with the arc racks of the two groups of grid bars, and the lower end part is hinged with one end of the push rod of the electric push rod.

3. The gap-adjustable grid set as claimed in claim 1 or 2, wherein reinforcing rib plates are respectively arranged on the inner side walls of the two grid support wallboards positioned at the outermost side in the grid structure.

4. The seed cotton cleaner with adjustable grating gaps comprises a shell, a cotton feeding port, a spike roller, a cotton outlet and a impurity discharging port, and is characterized by further comprising a grating group with adjustable gaps, wherein the grating group mainly comprises grating and grating gap adjusting mechanisms, and the grating structure comprises a plurality of grating supporting wallboards, adjustable grating and fixed round grating;

the grid support wallboards are vertically arranged at intervals in parallel front and back, the upper edge of each grid support wallboard is an arc-shaped curved surface, and a plurality of support holes which are arranged at intervals are formed in the upper edge of each grid support wallboard along the trend of the arc-shaped curved surface;

the cross section of each adjustable grating is rectangular with round corners, each adjustable grating and each fixed round grating penetrate through the grating support wallboards which are vertically arranged, the adjustable grating and each fixed round grating are arranged at intervals, a fixed round grating is arranged between every two adjustable grating, and each adjustable grating is connected and installed with a support hole on each grating support wallboard through a shaft sleeve, so that each adjustable grating can freely rotate relative to each grating support wallboard; each fixed round grid bar is fixedly arranged with a supporting hole on the grid bar supporting wallboard;

each adjustable lattice bar is provided with a shaft head end extending out of the outermost lattice bar grid supporting wallboard, and is connected with the lattice bar gap adjusting mechanism, and the structure of the lattice bar gap adjusting mechanism mainly comprises: the gear is arranged at the end head end of each adjustable bar, which extends out; the arc-shaped rack is positioned below the gear, the shape of the arc-shaped rack is arc-shaped and is matched with the shape of the upper edge of the grid supporting wallboard, the upper edge of the arc-shaped rack is provided with teeth, and the teeth are meshed with the gear; the arc-shaped rack is embedded in the sliding rail and can slide left and right along the sliding rail; one end of the push rod of the electric push rod is hinged with the arc-shaped rack.

5. The seed cotton cleaner with adjustable grating gaps as claimed in claim 4, wherein the grating groups comprise two groups of grating, the adjustable grating on each group of grating is provided with a shaft head end extending out of the outermost grating support wallboard, and the adjustable grating is connected with the grating gap adjusting mechanism, and the grating gap adjusting mechanism mainly comprises: the gear is arranged at the end of each adjustable strip, which extends out; each grid is provided with a group of arc racks and a group of sliding rails, the arc racks are positioned below the gear, the shape of each arc rack is arc-shaped and is matched with the shape of the upper edge of a grid supporting wallboard of each grid, teeth are arranged on the upper edge of each arc rack, and the teeth are meshed with the gear; the arc-shaped rack is embedded in the sliding rail and can slide left and right along the sliding rail;

the connecting arm is a T-shaped connecting piece, two transverse end parts are respectively hinged with the arc racks of the two groups of grid bars, and the lower end part is hinged with one end of the push rod of the electric push rod.

6. The seed cotton cleaner with adjustable grid gaps as claimed in claim 4 or 5, wherein the electric push rod is provided with a fish eye bearing at one end of the top and hinged with the connecting arm, and one end of the tail is connected with the grid support frame through a rotatable bracket, and the electric push rod stretches and contracts to provide power for the grid gap adjusting mechanism.

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