CN111907819A

CN111907819A - Spacing protective structure based on sewing device for fertilizer production

Info

Publication number: CN111907819A
Application number: CN202010777420.6A
Authority: CN
Inventors: 胡安平
Original assignee: Individual
Current assignee: Hunan Shengguanyuan Ecological Agriculture Technology Co ltd
Priority date: 2020-08-05
Filing date: 2020-08-05
Publication date: 2020-11-10
Anticipated expiration: 2040-08-05
Also published as: CN111907819B

Abstract

The invention relates to the technical field of packaging and sewing equipment for fertilizer production, in particular to a limiting protection structure based on a sewing device for fertilizer production, which comprises a supporting main body, wherein the supporting main body comprises a bottom plate, supporting plates are symmetrically fixed on two sides of the bottom plate, connecting rods are symmetrically welded and fixed on two sides of the top of two groups of supporting plates, a cross beam is welded and fixed on the top of the middle position of the two groups of connecting rods, and a reinforcing rod is fixedly connected between the insides of the two groups of supporting plates. According to the invention, the rotating shaft is rotated to drive the rotating disc to rotate by pressing down the packaging bag, the third rotating plate is tilted upwards close to one side of the middle position of the towing bracket under the pulling of the rope, and the opening position of the packaging bag is effectively aligned and clamped by moving and clamping the two groups of pressing strips, so that the packaging bag is not required to be manually lifted by a worker during sewing operation, the phenomenon that the hand is too close to the sewing position is avoided, and the use safety of the device is greatly improved.

Description

Spacing protective structure based on sewing device for fertilizer production

Technical Field

The invention relates to the technical field of fertilizer production equipment, in particular to a limiting protection structure based on a sewing device for fertilizer production.

Background

The fertilizer is a chemical substance which can supply nutrients required by the growth and development of crops, improve the soil property and improve the yield and quality of the crops, and the appearance of the fertilizer greatly improves the traditional planting system of 'eating by the sky' in agricultural planting, so that the fertilizer becomes an important production data in agricultural production in the current agricultural planting production.

The existing sewing device for producing and subpackaging fertilizer is influenced by plastic woven bags made of fertilizer packaging materials, so that the sewing of subpackaging needs to be carried out by needles and threads, and the sewing needs to be held by workers during sewing, or the split packaging bag is lifted into the stitching device, the hand-held stitching device is influenced by operation, positioning limitation is lacked during stitching, the stitching track is easy to deviate, and the stitching device with a fixed main body, when in use, a worker needs to manually lift the packaging bag, the two hands of the worker are contacted with the sewing position relatively closely during sewing, so that the hands of the worker can easily enter the sewing position during sewing operation, dangerous accidents are caused, and the sewing operation is carried out under the manual pulling of staff, very big increase staff's work burden, for this reason we have proposed a spacing protective structure based on sewing device for fertilizer production and have solved above-mentioned problem.

Disclosure of Invention

The invention aims to provide a limiting protection structure based on a sewing device for fertilizer production, and aims to solve the problems that when the existing sewing device for fertilizer production provided by the background art is used, if a handheld sewing device is adopted, a sewing track is easy to deviate, and if a sewing device fixed by a main body is adopted, a sealing position of a packaging bag needs to be lifted and positioned by hands, so that hands are too close to the sewing position, and the hands are easy to enter the sewing position to cause dangerous accidents.

In order to achieve the purpose, the invention provides the following technical scheme: a limiting protection structure based on a sewing device for fertilizer production comprises a supporting main body, wherein the supporting main body comprises a bottom plate, supporting plates are symmetrically fixed on two sides of the bottom plate, connecting rods are symmetrically welded and fixed on two groups of supporting plates on two sides of the top of the bottom plate, a cross beam is welded and fixed on the top of the middle position of the two groups of connecting rods, reinforcing rods are fixedly connected between the inner parts of the two groups of supporting plates, the two groups of reinforcing rods are symmetrically arranged on the left side and the right side of the supporting plates, a sliding sleeve is sleeved on the outer side of each group of reinforcing rods, the two groups of sliding sleeves are respectively in sliding connection with the two groups of reinforcing rods, a sewing machine main body is fixedly installed on the top of the middle position of the cross beam, a towing bracket is fixedly connected between the two groups of reinforcing rods, the appearance of the towing bracket is U-shaped, and a lifting mechanism, the lifting mechanism comprises a square sleeve, the square sleeve is fixedly embedded in the middle of the bottom of the towing bracket, a lifting frame is inserted in the square sleeve, the lifting frame is Jiong-shaped, a rack is welded and fixed on the inner wall of one side of the lifting frame, a supporting plate is welded and fixed on the top of the lifting frame, a limiting mechanism is fixedly installed on the outer side of the supporting plate and comprises two groups of first rotating plates, the two groups of first rotating plates are symmetrically and rotatably connected to the left side and the right side of the supporting plate respectively, a second rotating plate is sleeved on the outer side of each group of first rotating plates, the second rotating plates are in telescopic connection with the first rotating plates, the second rotating plates are L-shaped bent, the bent parts of the L-shaped positions on the second rotating plates are rotatably connected to the inner wall of the side face of the towing bracket, and the other ends of the second rotating plates are rotatably connected with clamping plates, notches are symmetrically formed in the middle positions of the outer walls of the left side and the right side of the towing bracket, a third rotating plate is rotatably connected in each notch, a torsion spring is inlaid in the rotating connection position of each third rotating plate and each notch, one end of each torsion spring is fixedly installed in each notch, the other end of each torsion spring is fixedly installed on each third rotating plate, each third rotating plate is elastically and rotatably connected with each notch through each torsion spring, a linkage mechanism is fixedly installed at the bottom of each towing bracket and comprises a rotating shaft, each rotating shaft is rotatably connected to the bottom of each towing bracket, a gear is fixedly sleeved in the middle position of each rotating shaft, teeth assembled on the outer side of the gear are matched with racks assembled on the inner wall of the lifting bracket, rotating discs are symmetrically fixed on the outer sides of the front end and the rear end of each rotating shaft, two groups of ropes are fixed on the outer sides of the rotating discs of each group, and the other ends of the ropes are correspondingly, the outer side of the bracket is fixedly provided with a driving mechanism, the driving mechanism comprises a supporting frame, the supporting frame is fixedly welded on the outer wall of the bracket, the outer side of the supporting frame is fixedly connected with a threaded sleeve, a screw rod is inserted into the threaded sleeve in a penetrating mode, threads assembled on the outer wall of the screw rod are matched with threads assembled on the inner wall of the threaded sleeve, the front end and the rear end of the screw rod are symmetrically and rotatably connected to the front supporting plate and the rear supporting plate, and one end of the screw rod is fixedly connected with a servo motor.

Preferably, the inside of the sliding sleeve is provided with a square through hole, the reinforcing rod is inserted into the square through hole formed in the sliding sleeve in a penetrating manner, and the outer side size of the reinforcing rod is matched with the inner size of the sliding sleeve.

Preferably, the vertical fly leaf that is equipped with of inserting in inside top of layer board, go up and down sliding connection between fly leaf and the layer board, the even rotation in top of layer board is connected with the roller, bilateral symmetry inserts and is equipped with the picture peg around the layer board, and the picture peg level sets up the inside at the layer board, sliding connection between picture peg and the layer board, one side that the fly leaf is close in the picture peg is the downward slope form, one side that the picture peg is close in the roller is the slope form, and is two sets of fixedly connected with compression type spring between the picture peg.

Preferably, the bottom welded fastening of layer board has the gag lever post, and the outside cover of gag lever post is equipped with the stop collar, the fixed inside of inlaying at the bracket of stop collar, the gag lever post is provided with four groups altogether, and four groups gag lever post evenly distributed is in four corner positions in the bottom of layer board, every group that corresponds the outside of gag lever post all is equipped with the stop collar, the outside cover of gag lever post is equipped with expanding spring, and expanding spring's upper and lower both ends are contradicted respectively between the bottom of layer board and stop collar, the layer board passes through expanding spring and is connected with stop collar elasticity lift.

Preferably, the second rotating plate is rotatably connected to the upper position of one side of the clamping plate, a reed is fixedly connected between the second rotating plate and the clamping plate, and the shape of the reed is arc-shaped.

Preferably, the appearance of third commentaries on classics board is the long plate shape of platykurtic, the third commentaries on classics board is close to one side fixed weld in bracket intermediate position and has the layering, the layering is close to bracket intermediate position one side corner and is convex lead the horn shape.

Preferably, a through groove is formed in the supporting frame, and the upper end and the lower end of the rope penetrate through the through groove in the supporting frame to be connected to the third rotating plate and the rotating disc.

Preferably, the support frame is provided with two sets ofly altogether, and is two sets of the support frame symmetry is fixed on the left and right sides outer wall of bracket, every group the outside of support frame all corresponds fixed mounting and has the thread bush, every group the inside of thread bush all corresponds to run through to insert and is equipped with the screw rod.

Preferably, a belt pulley transmission mechanism is fixedly connected between the two groups of screw rods, and the two groups of screw rods are in transmission connection through the belt pulley transmission mechanism.

Compared with the prior art, the invention has the beneficial effects that:

1. the rack assembled on the inner wall of the lifting frame is matched with the teeth assembled on the outer side of the gear, so that when the device is used, the rotating shaft rotates to drive the rotating disc to rotate through pressing the packaging bag, one side of the third rotating plate close to the middle position of the towing frame tilts upwards under the pulling of the rope, and through the moving clamping of the two groups of pressing strips, the opening position of the packaging bag is effectively aligned and clamped, so that the manual lifting of a worker is not needed during sewing operation, the contact between the human hand and the sewing position is avoided, and the use safety of the device is greatly improved;

2. when the device is used, when packaged fertilizers are placed on the supporting plate, the supporting plate is pressed downwards to drive the second rotating plate to rotate, so that the side wall of the packaging bag is clamped, the two sides of the packaging bag are prevented from collapsing during sewing operation, and the sewing stability of the device is greatly improved;

3. through setting up screw thread swivelling joint between thread bush and the screw rod for the device is when using, through the just reverse rotation of screw rod, can make the carriage at the inside left and right sides reciprocating motion of the device, carry out the operation of sewing up of continuous reciprocal circulation to the wrapping bag, and the during operation need not the staff and continuously carries and draws the wrapping bag, the effectual working strength who has reduced the staff, simultaneously, through the steady movement of carriage, makes the position removal when the packing is sewed up straight, is favorable to avoiding sewing up the orbit skew.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective sectional view of the structure of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a perspective view of a portion of the present invention;

FIG. 5 is a schematic side sectional view of the structure of the pallet of the present invention;

FIG. 6 is a schematic perspective view of the structure of the lifting mechanism and the limiting mechanism of the present invention;

FIG. 7 is a schematic perspective view of a linkage mechanism according to the present invention;

FIG. 8 is a schematic sectional elevation view of the structure of the present invention;

fig. 9 is a schematic sectional front view of the structure of the present invention in an operating state.

In the figure: 100. a support body; 110. a base plate; 120. a support plate; 130. a connecting rod; 140. a cross beam; 150. a reinforcing rod; 160. a sliding sleeve; 200. a stitcher body; 300. a towing bracket; 400. a lifting mechanism; 410. a square sleeve; 420. a lifting frame; 430. a support plate; 440. a movable plate; 450. a roller; 460. inserting plates; 470. a compression type spring; 480. a limiting rod; 490. a limiting sleeve; 500. a limiting mechanism; 510. a first rotating plate; 520. a second rotating plate; 530. a splint; 540. a reed; 550. a notch; 560. a third rotating plate; 570. a torsion spring; 580. layering; 600. a linkage mechanism; 610. a rotating shaft; 620. a gear; 630. a turntable; 640. a rope; 700. a drive mechanism; 710. a support frame; 720. a threaded sleeve; 730. a screw; 740. a servo motor; 750. a belt pulley transmission mechanism.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, an embodiment of the present invention is shown: a limiting protection structure based on a sewing device for fertilizer production comprises a supporting main body 100, wherein the supporting main body 100 comprises a bottom plate 110, supporting plates 120 are symmetrically fixed on two sides of the bottom plate 110, connecting rods 130 are symmetrically welded and fixed on two sides of the top of two groups of supporting plates 120, a cross beam 140 is welded and fixed on the top of the middle position of the two groups of connecting rods 130, reinforcing rods 150 are fixedly connected between the inner parts of the two groups of supporting plates 120, the two groups of reinforcing rods 150 are arranged in two groups, the two groups of reinforcing rods 150 are symmetrically arranged on the left side and the right side of the supporting plates 120, sliding sleeves 160 are sleeved on the outer sides of each group of reinforcing rods 150, the two groups of sliding sleeves 160 are respectively in sliding connection with the two groups of reinforcing rods 150, a sewing machine main body 200 is fixedly arranged on the top of the middle position of the cross beam 140, a towing frame 300 is fixedly connected between the two groups of reinforcing rods 150, the, when the device is used, the bracket 300 can move back and forth relative to the device through the sliding between the sliding sleeve 160 and the reinforcing rod 150, the cross beam 140 is welded and fixed at the middle position of the connecting rod 130, and the sewing machine main body 200 is fixed at the middle position of the cross beam 140, so that when the device is used, the bracket 300 passes through the sewing machine main body 200 in the back and forth movement process, and continuous sewing operation is realized through the reciprocating movement of the bracket 300;

the lifting mechanism 400 is fixedly arranged in the towing bracket 300, the lifting mechanism 400 comprises a square sleeve 410, the square sleeve 410 is fixedly embedded in the middle position of the bottom of the towing bracket 300, a lifting bracket 420 is inserted in the square sleeve 410, the lifting bracket 420 is shaped like Jiong, racks are fixedly welded on the inner wall of one side of the lifting bracket 420, a supporting plate 430 is fixedly welded on the top of the lifting bracket 420, a limiting mechanism 500 is fixedly arranged on the outer side of the supporting plate 430, the limiting mechanism 500 comprises first rotating plates 510, two groups of the first rotating plates 510 are arranged, the two groups of the first rotating plates 510 are respectively and symmetrically and rotatably connected to the left side and the right side of the supporting plate 430, a second rotating plate 520 is sleeved on the outer side of each group of the first rotating plates 510, the second rotating plates 520 are in telescopic connection with the first rotating plates 510, the second rotating plates 520 are in L-shaped bent shapes, and bent parts of the L-shaped positions on the second rotating plates 520 are rotatably connected to the inner wall of the side of the towing bracket 300, the other end of the second rotating plate 520 is rotatably connected with a clamping plate 530, the second rotating plate 520 is rotatably connected to the inner wall of the bracket 300, the first rotating plate 510 is rotatably connected to the supporting plate 430, when the device is used, a worker places fertilizer packaging bags to be sewn on the supporting plate 430, the supporting plate 430 moves downwards through the downward pressing of gravity to drive the first rotating plate 510 to rotate and deflect, the second rotating plate 520 rotates under the driving of the rotation of the first rotating plate 510, and the bent position of the upper end of the second rotating plate 520 rotates downwards due to the L-shaped appearance of the second rotating plate 520 during the rotation to drive the clamping plate 530 to move, and the two sides of the bottom of the packaging bags are clamped through the deflection movement of the two groups of clamping plates 530 at the left side and the right side, so that the packaging bags are prevented from being piled up in the packaging process, the packaging bag sewing influence is avoided, and the lifting operation does not need to be manually performed by the worker, meanwhile, the sliding connection between the first rotating plate 510 and the second rotating plate 520 is arranged, so that the rotation between the first rotating plate 510 and the second rotating plate 520 is not limited by the distance and the length, and the stability of the device in use is effectively guaranteed;

notches 550 are symmetrically formed in the middle positions of the outer walls of the left side and the right side of the towing bracket 300, a third rotating plate 560 is rotatably connected inside each group of notches 550, a torsion spring 570 is embedded in the rotating connection position of the third rotating plate 560 and the notches 550, one end of the torsion spring 570 is fixedly installed inside each notch 550, the other end of the torsion spring 570 is fixedly installed on the third rotating plate 560, the third rotating plate 560 is elastically and rotatably connected with the notches 550 through the torsion spring 570, a linkage mechanism 600 is fixedly installed at the bottom of the towing bracket 300, the linkage mechanism 600 comprises a rotating shaft 610, the rotating shaft 610 is rotatably connected to the bottom of the towing bracket 300, a gear 620 is fixedly sleeved at the middle position of the rotating shaft 610, teeth assembled on the outer side of the gear 620 are matched with racks assembled on the inner wall of the lifting bracket 420, turntables 630 are symmetrically fixed on the outer sides of the front end and the rear end of the rotating shaft 610, two, the other end of the rope 640 is correspondingly and fixedly connected to the third rotating plate 560, the rack assembled on the inner wall of the lifting frame 420 is matched with the teeth assembled on the outer wall of the gear 620, the gear 620 drives the rotating shaft 610 to rotate through the meshing of the teeth in the process that the supporting plate 430 is pressed down and moves under the gravity, so that the rotating disc 630 rotates, the rope 640 is pulled by the rotating disc 630 in the rotating process, the third rotating plate 560 is pulled to rotate through the connection of the rope 640, so that one side of the two groups of the third rotating plates 560 close to the middle position of the towing frame 300 is tilted upwards, the upper end position of the packaging bag is flattened and aligned through the upward tilting extrusion of the third rotating plate 560, the opening position above the packaging bag is aligned and clamped flatly, the working stability in the sewing operation is ensured, the opening position is not required to be manually lifted by a worker to align, and the direct contact between the two hands of the worker and the sewing device is avoided, the hands are effectively prevented from being drawn into the sewing machine main body 200, and the use safety of the device is greatly improved;

the driving mechanism 700 is fixedly installed on the outer side of the bracket 300, the driving mechanism 700 comprises a supporting frame 710, the supporting frame 710 is fixedly welded on the outer wall of the bracket 300, a threaded sleeve 720 is fixedly connected on the outer side of the supporting frame 710, a screw 730 is inserted in the threaded sleeve 720 in a penetrating manner, threads assembled on the outer wall of the screw 730 are matched with threads assembled on the inner wall of the threaded sleeve 720, the front end and the rear end of the screw 730 are symmetrically and rotatably connected on the front and the rear groups of supporting plates 120, one end of the screw 730 is fixedly connected with a servo motor 740, the screw 730 is rotatably connected with the threaded sleeve 720 through the thread, when the device is used, the forward and backward rotation of the screw 730 can be controlled through the forward and backward rotation of the servo motor 740, the forward and backward rotation of the screw 730 can be controlled, the forward and backward movement direction of the threaded sleeve 720 can be changed through the, through the screw thread rotary drive between the screw 730 and the threaded sleeve 720, the manual lifting movement is replaced, the stability of the fertilizer subpackage in the moving process is effectively guaranteed, the hands are not in direct contact with equipment in the moving process, and the safety of the fertilizer packaging and sewing operation is effectively guaranteed;

furthermore, the inside of the sliding sleeve 160 is provided with a square through hole, the reinforcing rod 150 is inserted into the square through hole provided in the sliding sleeve 160 in a penetrating manner, the outside dimension of the reinforcing rod 150 is matched with the inside dimension of the sliding sleeve 160, the reinforcing rod 150 is arranged in the direction, and the inside dimension of the sliding sleeve 160 is provided with the square through hole, so that the reinforcing rod 150 and the sliding sleeve 160 can only slide back and forth, the rotation between the reinforcing rod 150 and the sliding sleeve 160 is limited, and the stability of the device in use is effectively improved;

furthermore, a movable plate 440 is vertically inserted above the inside of the supporting plate 430, the movable plate 440 is connected with the supporting plate 430 in a sliding manner, the top of the supporting plate 430 is uniformly and rotatably connected with a roller 450, inserting plates 460 are symmetrically inserted at the front side and the rear side of the supporting plate 430, the inserting plates 460 are horizontally arranged inside the supporting plate 430, the inserting plates 460 are connected with the supporting plate 430 in a sliding manner, one side of the movable plate 440 close to the inserting plates 460 is inclined, one side of the inserting plates 460 close to the roller 450 is inclined, and a compression spring 470 is fixedly connected between the two inserting plates 460, when the device is used, the inserting plates 460 are inserted at the front side and the rear side of the supporting plate 430, one side of the inserting plates 460 close to the movable plate 440 is inclined, meanwhile, the front side and the rear side of the movable plate 440 are inclined, when the towing bracket 300 drives the packaging bag to move to the other side of the, the supporting plate 430 is tightly attached to the supporting plate 120, the inserting plate 460 is retracted into the supporting plate 430 by the extrusion of the supporting plate 430 and the supporting plate 120, the movable plate 440 is lifted along the inclined plane by the extrusion guide of the inclined plane, the packaging bag is lifted upwards, at the moment, the rollers 450 are supported at the bottom of the packaging bag in a rolling manner, the packaging bag can be easily removed from the device by pulling the packaging bag outwards by the rolling of the rollers 450, the labor attachment of workers is reduced, and the work efficiency is improved, when the packaging bag is placed above the supporting plate 430 and the inserting plate 460 is not in conflict with the supporting plate 120, the movable plate 440 is retracted into the supporting plate 430 under the influence of the pressing effect, at the moment, the bottom of the packaging bag is directly contacted with the supporting plate 430, the stability of the device in the conveying process of the packaging bag is effectively guaranteed, and the packaging bag is prevented from deviating, the use stability of the device is effectively guaranteed;

further, the bottom of the supporting plate 430 is fixedly welded with limiting rods 480, the outer side of each limiting rod 480 is sleeved with a limiting sleeve 490, the limiting sleeves 490 are fixedly embedded in the inner part of the towing bracket 300, the limiting rods 480 are provided with four groups, the four groups of limiting rods 480 are uniformly distributed at four corner positions of the bottom of the supporting plate 430, the outer side of each corresponding group of limiting rods 480 is sleeved with a limiting sleeve 490, the outer side of each limiting rod 480 is sleeved with a telescopic spring, the upper end and the lower end of each telescopic spring respectively abut against the bottom of the supporting plate 430 and the limiting sleeve 490, the supporting plate 430 is elastically connected with the limiting sleeves 490 in a lifting manner through the telescopic springs, the four groups of limiting rods 480 are fixed at four corners of the bottom of the supporting plate 430, the up-and-down movement of the supporting plate 430 is limited through the sliding connection between the limiting rods 480 and the limiting sleeves 490, so that, through the elastic support of the telescopic spring on the outer side of the limiting rod 480, when the packaging bag is moved away, the supporting plate 430 can reset under the elastic support of the telescopic spring, so that the device can reset automatically for repeated recycling, and the use convenience of the device is effectively improved;

furthermore, the second rotating plate 520 is rotatably connected to the position above one side of the clamping plate 530, the reed 540 is fixedly connected between the second rotating plate 520 and the clamping plate 530, the shape of the reed 540 is arc-shaped, the second rotating plate 520 is rotatably connected to the position above the outer side of the clamping plate 530, the length below the rotating node of the clamping plate 530 is larger than the length above, and the rotating amplitude below the clamping plate 530 is larger than the rotating amplitude above, so that the thickness of the packaging bag clamped by the device is effectively improved, and the packaging bags with different contents can be conveniently packaged;

furthermore, the third rotating plate 560 is in a flat long plate shape, a pressing strip 580 is fixedly welded on one side of the third rotating plate 560 close to the middle position of the towing bracket 300, the corner of one side of the pressing strip 580 close to the middle position of the towing bracket 300 is in a circular arc-shaped guide angle shape, the pressing strip 580 is fixed on the third rotating plate 560 by arranging the pressing strip 580, and the corner of the outer side of the pressing strip 580 is in a circular arc shape, so that the pressing strip 580 can be more smoothly used for carrying out rolling clamping on the position of a bag opening, and the bag body can be prevented from being scratched when the pressing strip 580 slides;

furthermore, a through groove is formed in the supporting frame 710, the upper end and the lower end of the rope 640 penetrate through the through groove in the supporting frame 710 to be connected to the third rotating plate 560 and the rotating disc 630, and the rope 640 penetrates through the supporting frame 710, so that the rope 640 is prevented from being interfered by external factors when being loosened in the moving and stretching process, and the transmission stability of the rope 640 is effectively guaranteed;

furthermore, two groups of support frames 710 are arranged, the two groups of support frames 710 are symmetrically fixed on the outer walls of the left side and the right side of the towing bracket 300, the outer side of each group of support frames 710 is correspondingly and fixedly provided with a threaded sleeve 720, the inner part of each group of threaded sleeves 720 is correspondingly inserted with a screw 730 in a penetrating manner, and the two groups of threaded sleeves 720 and the two groups of screws 730 are rotationally connected through corresponding threads on the left side and the right side; under the drive of the screw rotation, the bracket 300 is more stable in the moving process;

furthermore, a belt pulley transmission mechanism 750 is fixedly connected between the two groups of screws 730, the two groups of screws 730 are in transmission connection through the belt pulley transmission mechanism 750, and the two groups of screws 730 are connected between the two groups of screws 730 through the belt pulley transmission mechanism 750, so that the rotation between the two groups of screws 730 is synchronous, the driving stability of the device is effectively guaranteed, only a single servo motor 740 is used as a power output source, and the manufacturing cost of the device is effectively reduced;

the working principle is as follows: when the device is used initially, the towing bracket 300 is movably attached to the supporting plate 120 on one side of the device, the worker places the packaged bags filled with fertilizers with good weight on the supporting plate 430, the supporting plate 430 drives the lifting bracket 420 to move downwards under the action of gravity pressing, and when the supporting plate 430 moves downwards, the first rotating plate 510 with two sides rotatably connected is driven to rotate and deflect, and the second rotating plate 520 rotates and deflects through connection, so that the clamping plates 530 are automatically clamped on the left side and the right side below the packaged bags;

during operation, the lifting frame 420 moves downwards, under the meshing action of teeth, the gear 620 drives the rotating shaft 610 to rotate, so that the rotating disc 630 rotates to pull the rope 640, the third rotating plate 560 rotates through the connection of the rope 640, the third rotating plate 560 moves upwards close to the pressing strip 580 on one side of the middle position of the towing frame 300, the bag mouth is rolled up and clamped evenly, and the bag mouth is flattened through the limitation of the pressing strip 580;

when the device works, the servo motor 740 is electrified and started to drive the screw 730 fixed on the rotating output shaft to rotate, the screw 730 drives the threaded sleeve 720 to move through the rotary meshing of the threads, so that the bracket 300 is attached to the outer wall of the supporting plate 120 on the other side in a moving process, the bracket 300 penetrates through the sewing machine main body 200, the packaging bag is sewn through the sewing machine main body 200, after the packaging bag is sewn, the bracket 300 is attached to the supporting plate 120, the inserting plate 460 is extruded, the movable plate 440 is upwards lifted along the inclined surface under the extrusion pushing action, the packaging bag can be easily moved out of the device in a sliding mode through the rolling connection of the movable plate 440, and then the worker repeats the operation repeatedly to package and sew the fertilizer.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a spacing protective structure based on sewing device is used in fertilizer production, includes supporting main body (100), its characterized in that: the support main body (100) comprises a bottom plate (110), support plates (120) are symmetrically fixed on two sides of the bottom plate (110), connecting rods (130) are symmetrically welded and fixed on two sides of the top of two groups of the support plates (120), a cross beam (140) is welded and fixed on the top of the middle position of the two groups of the connecting rods (130), reinforcing rods (150) are fixedly connected between the inner parts of the two groups of the support plates (120), two groups of the reinforcing rods (150) are arranged, the two groups of the reinforcing rods (150) are symmetrically arranged on the left side and the right side of the support plates (120), sliding sleeves (160) are sleeved on the outer sides of each group of the reinforcing rods (150), the two groups of the sliding sleeves (160) are respectively in sliding connection with the two groups of the reinforcing rods (150), a sewing machine main body (200) is fixedly installed on the top of the middle position of the cross beam (140), and a towing frame (, and the appearance of bracket (300) is "U" font, the fixed lifting mechanism (400) that has installed in the inside of bracket (300), and lift mechanism (400) including square sleeve (410), square sleeve (410) fixed inlay in the bottom intermediate position of bracket (300), the inside of square sleeve (410) is inserted and is equipped with crane (420), and crane (420) appearance is "Jiong" font, welded fastening has the rack on crane (420)'s one side inner wall, crane (420)'s top welded fastening has layer board (430), layer board (430)'s outside fixed mounting has stop gear (500), and stop gear (500) including first commentaries on classics board (510), first commentaries on classics board (510) worker is provided with two sets ofly, and two sets ofly first commentaries on classics board (510) symmetry respectively rotates the connection and is in layer board (430) the left and right sides, every group the outside of first commentaries on classics board (510) all overlaps and is equipped with second commentaries on classics board (520), the second rotating plate (520) is in telescopic connection with the first rotating plate (510), the second rotating plate (520) is in an L-shaped bent shape, the bent part of the L-shaped position on the second rotating plate (520) is rotatably connected to the inner wall of the side face of the bracket (300), the other end of the second rotating plate (520) is rotatably connected with a clamping plate (530), notches (550) are symmetrically formed in the middle positions of the outer walls of the left side and the right side of the bracket (300), a third rotating plate (560) is rotatably connected to the inner part of each notch (550), a torsion spring (570) is embedded in the rotating connection position of the third rotating plate (560) and the notches (550), one end of the torsion spring (570) is fixedly installed in the notch (550), the other end of the torsion spring (570) is fixedly installed on the third rotating plate (560), and the third rotating plate (560) is elastically and rotatably connected with the notches (550) through the torsion spring (570), the bottom of the bracket (300) is fixedly provided with a linkage mechanism (600), the linkage mechanism (600) comprises a rotating shaft (610), the rotating shaft (610) is rotatably connected to the bottom of the bracket (300), a gear (620) is fixedly sleeved in the middle of the rotating shaft (610), teeth assembled on the outer side of the gear (620) are matched with racks assembled on the inner wall of the lifting frame (420), rotating discs (630) are symmetrically fixed on the outer sides of the front end and the rear end of the rotating shaft (610), two groups of ropes (640) are fixed on the outer sides of the rotating discs (630) of each group, the other ends of the ropes (640) are correspondingly and fixedly connected to a third rotating plate (560), a driving mechanism (700) is fixedly arranged on the outer side of the bracket (300), the driving mechanism (700) comprises a supporting frame (710), the supporting frame (710) is fixedly welded on the outer wall of the bracket (300), and a threaded sleeve (720) is fixedly connected to the outer side of the supporting frame (710, and the inside of thread bush (720) is run through and is inserted screw rod (730), the screw thread of assembly on the screw rod (730) outer wall and the screw thread looks adaptation of assembly on the thread bush (720) inner wall, both ends symmetry rotation connection front and back of screw rod (730) is in two sets of in the front and back on backup pad (120), the one end fixedly connected with servo motor (740) of screw rod (730).

2. The spacing protective structure based on sewing device for fertilizer production of claim 1, characterized in that: the inner part of the sliding sleeve (160) is provided with a square through hole, the reinforcing rod (150) penetrates through the square through hole formed in the sliding sleeve (160), and the outer side size of the reinforcing rod (150) is matched with the inner size of the sliding sleeve (160).

3. The spacing protective structure based on sewing device for fertilizer production of claim 1, characterized in that: the inside top of layer board (430) is vertical to be inserted and is equipped with fly leaf (440), go up and down sliding connection between fly leaf (440) and layer board (430), the even rotation in top of layer board (430) is connected with roller (450), the front and back bilateral symmetry of layer board (430) is inserted and is equipped with picture peg (460), and picture peg (460) level setting is in the inside of layer board (430), sliding connection between picture peg (460) and layer board (430), one side that fly leaf (440) is close to picture peg (460) is the form of slope down, one side that picture peg (460) is close to roller (450) is the form of slope, and is two sets of fixedly connected with compact type spring (470) between picture peg (460).

4. The spacing protective structure based on sewing device for fertilizer production of claim 1, characterized in that: the bottom welded fastening of layer board (430) has gag lever post (480), and the outside cover of gag lever post (480) is equipped with stop collar (490), fixed the inlaying in the inside of bracket (300) of gag lever post (490), gag lever post (480) are provided with four groups altogether, and four groups gag lever post (480) evenly distributed is in four corner positions in the bottom of layer board (430), and every group that corresponds the outside of gag lever post (480) all is equipped with gag lever post (490), the outside cover of gag lever post (480) is equipped with expanding spring, and expanding spring's upper and lower both ends are contradicted respectively between the bottom of layer board (430) and stop collar (490), layer board (430) are connected through expanding spring and stop collar (490) elasticity lift.

5. The spacing protective structure based on sewing device for fertilizer production of claim 1, characterized in that: the second rotating plate (520) is rotatably connected to the upper position of one side of the clamping plate (530), a reed (540) is fixedly connected between the second rotating plate (520) and the clamping plate (530), and the shape of the reed (540) is arc-shaped.

6. The spacing protective structure based on sewing device for fertilizer production of claim 1, characterized in that: the appearance of third commentaries on classics board (560) is the long plate shape of platykurtic, third commentaries on classics board (560) are close to one side fixed weld of bracket (300) intermediate position has layering (580), layering (580) are close to bracket (300) intermediate position one side corner and are convex lead the angle shape.

7. The spacing protective structure based on sewing device for fertilizer production of claim 1, characterized in that: a through groove is formed in the supporting frame (710), and the upper end and the lower end of the rope (640) penetrate through the through groove in the supporting frame (710) to be connected to the third rotating plate (560) and the rotating disc (630).

8. The spacing protective structure based on sewing device for fertilizer production of claim 1, characterized in that: the support frame (710) is provided with two sets ofly altogether, and is two sets of support frame (710) symmetry is fixed on the left and right sides outer wall of bracket (300), every group the outside of support frame (710) all corresponds fixed mounting has thread bush (720), every group the inside of thread bush (720) all corresponds to run through to be inserted and is equipped with screw rod (730).

9. The spacing protective structure based on sewing device for fertilizer production of claim 8, characterized in that: and a belt pulley transmission mechanism (750) is fixedly connected between the two groups of screw rods (730), and the two groups of screw rods (730) are in transmission connection through the belt pulley transmission mechanism (750).