CN209017487U - A kind of vegetables knotter based on clamp hold-down mechanism - Google Patents

Abstract

The utility model discloses a kind of vegetables knotters based on clamp hold-down mechanism, its knotting is high-efficient, and the high reliablity of knot can effectively improve the efficiency of crop of vegetables, reduce the damage to vegetables, technical solution are as follows: including thread feeding mechanism, winding mechanism and shuttle shape knotting mechanism；Thread feeding mechanism includes line sending rocking bar, and line sending rocking bar end connect to form four-bar mechanism with multiple first connecting rods, and four-bar mechanism is connect with the first transmission mechanism, and four-bar mechanism is driven to operate for the first transmission mechanism so that line sending rocking bar reciprocating action is winding mechanism line sending；Winding mechanism includes the bulb mandril being obliquely installed, and bulb mandrel ends are provided with the groove for card line；By the setting of groove at the top of bulb mandril, knotting line passes through groove, and the rotation of bulb mandril can form coil；Shuttle shape knotting mechanism includes revolvable semi-circular shuttle, and hooking end is arranged in shuttle end makes coil be centered around shuttle outer wall to catch on coil, and line end is driven reversely to pack into coil, completes knotting movement.

Description

A kind of vegetables knotter based on clamp hold-down mechanism

Technical field

The utility model relates to vegetables bundling technical fields, beat more particularly to a kind of vegetables based on clamp hold-down mechanism Tie device.

Background technique

With the development of economy and raising of the people to raw vegetable demand, the cultivated area and yield of vegetables are presented The trend of liter, however, the harvest bundling and haulage time of vegetables want short, manual banding efficiency cannot be met the requirements, and economic benefit is big It is big to reduce.And the article applicability of the baler having already appeared currently on the market easy damaged this for vegetables is not strong, so One technology development point is also become to the bundling transport of rodlike vegetables.

Through retrieving, a kind of square bale knot tying machine (patent No.: 201621379699.8), is mentioned by tractor to square bale baler For power, each workpiece is transferred power to by the transmission system of square bale machine；This kind of baler can not be shut down continuously Operation, but since shallot plantation is more close and planting site landform is more changeable, be not suitable with it is such directly by power source traction from And it drives into planting site and carries out regularity harvest bundling.

Through retrieving, it is a kind of cylinder knot tying machine (patent No.: 201520267156.6), round bale baler generally and it is dilatory Machine matches, and power is provided by tractor and is transmitted to each workpiece；The baler bundling is high-efficient, but also due to big The actual conditions of green onion plantation, are not suitable with such baler.In addition, its elastic mechanism of both the above baler bundling cannot protect Card, will cause epidermis injury if bundling is compact for fresh class bundling, be easy the consequences such as rotten.If bundling dissipates bundle, no Tightly, it is invalid to will lead to bundling, while the equipment manufacturing costs are high, general peasant is difficult to undertake, is not widely popularized.

Through retrieving, the knotting device assembly (patent No. 201280052589.9) of JS Ji Te invention, the invention is by drawing Mutual cooperation between the cable guiding device of wire and the knotting device assembly of tying filament, realizes wiring and knotting, which realizes The orderliness binding of bulk cargo, work efficiency is high, practical, knots simple, stability is good, be mainly used at bulk cargo bale packing Reason, such as the bale packing of paper, plastics and metal, machinery equipment is generally large, is not suitable for small-sized bundling.

Through retrieving, the twine knotter (patent No. 201280074981.3) of the inventions such as FW schumacher, by beating The cooperation between device frame, jackshaft and knotter hook axis is tied, knotter hook axis is rotated to be matched with the input of the axis of jackshaft, Realize the knotting process of rope.The equipment mechanism complex precise knots convenient, it can be achieved that quickly knotting, time saving and energy saving, main to apply Press is tied in the large-scale rectangular of straw, Radix Glycyrrhizae, ensilage and the like, but for the lossless of fresh stem leafy vegetable There are still certain defects for bundling.

According to the operating feature of vegetables harvest packaging and requirement, the current situation of current vegetables knot tying machine is mainly being harvested Vegetables are directly subjected to bundling afterwards.Mechanical bundling: first is that it is easy to operate, using mechanical driving device as mating power, in this way Manual labor's cost advantages being applicable in shallot baler can be reduced；Second is that functional reliability is high, the receipts of every kind of vegetables Obtaining season is not quite similar, and has multiple periods harvest season in 1 year, every harvest season need to carry out rush-harvest packaging operation, institute To require vegetables baler sturdy and durable, failure is few, high reliablity；Third is that good economy performance, the raw vegetable bundling activity duration is short, Work efficiency is high, greatly reduces the cost of manual banding, improves the purchase machine enthusiasm of peasant, accelerates the popularization of vegetables baler Paces.

In conclusion being not suitable for specific raw vegetable harvest operation with the baler that power source is used cooperatively, and it is easy to make It is damaged at vegetables, is unfavorable for the subsequent storage for vegetables and transports.Therefore it is unworkable for directly applying above structure, it is necessary into One step improves, and is just able to satisfy the requirement of modern agriculture vegetables intelligence bundling.

Utility model content

A kind of vegetables knotting based on clamp hold-down mechanism that in order to overcome the deficiencies of the prior art, the utility model provides Device, knot high-efficient, the high reliablity of knot, can effectively improve the efficiency of crop of vegetables, reduces the damage to vegetables.

Further, the utility model adopts the following technical solutions:

A kind of vegetables knotter based on clamp hold-down mechanism, including thread feeding mechanism, the winding mechanism supported by rack With shuttle shape knotting mechanism；

The thread feeding mechanism includes line sending rocking bar, and line sending rocking bar end connect to form four-bar mechanism with multiple first connecting rods, Four-bar mechanism is connect with the first transmission mechanism, and the first transmission mechanism drives four-bar mechanism running so that line sending rocking bar reciprocating action is Winding mechanism line sending；

The winding mechanism includes the bulb mandril being obliquely installed, and bulb mandrel ends are provided with the groove for card line, and Bulb mandril can be rotated relative to center axis to form coil in bulb mandrel ends, and can be along bulb mandril length Direction, which is realized, to be moved back and forth；By the setting of groove at the top of bulb mandril, knotting line passes through groove, and the rotation of bulb mandril can shape At coil；

The shuttle shape knotting mechanism includes revolvable semi-circular shuttle, and shuttle end setting hooking end is made with catching on coil Coil is centered around shuttle outer wall, and line end is driven reversely to pack into coil, completes knotting movement.

Further, the line sending rocking bar includes the arc body of rod, and arc body of rod one end is connect with plate body, and the arc body of rod is another End is hanging；The plate body both ends are connect with first connecting rod, and crank, crank and the first driver are connected between two first connecting rods Structure connection.

Further, the free end of the arc body of rod extends at bulb mandril.

Further, cam pin is arranged in the bulb ram surface, and bulb mandril passes through cam canister and is arranged, and cam pin and The helicla flute on cam canister surface cooperates, and bulb mandril passes through cam canister and connect with rack gear push rod, and rack gear push rod and propulsive element connect It connects.

Further, the propulsive element includes the first gear engaged with the rack gear push rod, first gear with it is endless All gear cooperation, partial gear are connect with power source, to pass through linearly operating of the first gear with carry-over bar push rod.

Further, the partial gear includes the reference circle pinion gear and reference circle gear wheel of two semicirculars in shape, The reference circle pinion gear and reference circle gear wheel are arranged concentrically and link into an integrated entity relatively, and the radius of reference circle pinion gear is less than The radius of reference circle gear wheel.

Further, the reference circle gear wheel is directly engaged with first gear, reference circle pinion gear and first gear it Between transition wheel is set.

Further, the cam canister side setting set square is for protecting the propulsive element.

Further, the shuttle is installed on the meniscus in winding base, and meniscus and shuttle shape cooperate, meniscus It is placed on rotary shaft, rotary shaft is connect with the second transmission mechanism, and rotary shaft is connect to drive shuttle relative to meniscus with shuttle Rotation.

Further, the winding base is arranged card line pedestal on the inside of shuttle, in card line pedestal activity setting strut and Pressing plate, strut are contacted with pressing plate in groove face.

When knotting line is pulled at card line pedestal, knotting line gives the power of strut inwards, and strut is supportted around axial inboard overturning Bar is contacted with pressing plate in groove face, and the two is in 90 degree of placements, when strut is turned to inboard with card line pedestal level, pressing plate At this time also with pedestal level and by groove face and strut full contact, knotting line is placed between the two at this time, and because groove face Contact increases contact area, and knotting line is enabled firmly to be blocked fixation.

Further, it is arranged in the card line pedestal for installing the first groove of the strut and for installing the pressure Second groove of plate, strut and pressing plate pass through pin shaft respectively and rotate relative to card line pedestal.

Further, the rotary shaft passes through winding base and card line pedestal and is installed on the rack by backplate, and Shuttle shape knotting mechanism is set to the side of the bulb mandril, so that knotting line is by entering shuttle shape knot tying machine after bulb mandril groove Structure exerts a force to strut.

Further, the side of the shuttle shape knotting mechanism is equipped with for that will tie the exceptionally straight auxiliary body of line；It is described auxiliary Helping mechanism includes the slide bar set on rack two sides, is connected between two slide bars by second connecting rod, slide bar is in one end and cunning Bar, second connecting rod connecting pin between be cased with spring.Auxiliary body forms the inclination of frame shape and is set to rack, when knotting line passes through second When at connecting rod, because the barrier effect of second connecting rod makes knotting line exceptionally straight, and then close to bulb mandril, before bulb mandril spiral shape Into bulb mandril is fluted, lives line card during spiral rotating, completes card line movement.

Further, the second connecting rod is correspondingly arranged between line sending rocking bar end and bulb mandril groove.

Compared with prior art, the utility model has the beneficial effects that

1) winding mechanism of the utility model can be realized card line, and realize that revolution knots by shuttle shape knotting mechanism, tool Have precision high, fast response time, the operation is stable is compact-sized, it is at low cost the advantages that.

2) the utility model is able to achieve rotation and advance by the setting of winding mechanism, so that the coil of formation is sent to Shuttle side, convenient for the work of shuttle.

3) the utility model passes through the setting of pressing plate and strut, and energy fastening clamp line end moves in favor of smoothly completing to knot Make.

4) thread feeding mechanism of the utility model is winding mechanism line sending, can be tightened bundle line by the connecting rod of auxiliary body, Coil is lived and be coiled into bundle line card during spiral rotating by winding mechanism, and then is delivered to shuttle shape knotting mechanism, and shuttle shape knots Line end coil is packed into mechanism rotation to complete to knot.

5) by the cooperation of the above mechanism, the utility model knotter knot is slip-knot, knot it is high-efficient, knot can By property height, the efficiency of crop of vegetables can effectively improve, reduce vegetables and shelve the time, reduce the damage of vegetables, reduce loss, mention High economic well-being of workers and staff reduces the workload of vegetable grower.

Detailed description of the invention

The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.

Fig. 1 is knotter structural schematic diagram；

Fig. 2 is knotter shaft mapping；

Fig. 3 is the cooperation schematic diagram of auxiliary body and rack；

Fig. 4 is the structural schematic diagram of winding mechanism；

Fig. 5 is the explosive view of winding mechanism；

Fig. 6 is the structural schematic diagram of cam canister；

Fig. 7 is the structural schematic diagram of rack gear push rod；

Fig. 8 is the structural schematic diagram of sleeve；

Fig. 9 is the structural schematic diagram of bulb mandril；

Figure 10 is the structural schematic diagram of partial gear；

Figure 11 is the structural schematic diagram of transition wheel；

Figure 12 is the structural schematic diagram for the first gear being meshed with rack gear push rod；

Figure 13 is the explosive view of shuttle shape knotting mechanism；

Figure 14 is the structural schematic diagram of shuttle shape knotting mechanism；

Figure 15 is the structural schematic diagram of card line pedestal；

Figure 16 is the structural schematic diagram of strut；

Figure 17 is the structural schematic diagram of pressing plate；

Figure 18 is the structural schematic diagram of shuttle；

Figure 19 is the structural schematic diagram of meniscus；

Figure 20 is thread feeding mechanism structural schematic diagram；

Figure 21 is thread feeding mechanism explosive view；

Figure 22 is the structural schematic diagram of line sending rocking bar；

Figure 23 is the structural schematic diagram of crank；

Figure 24 is the structural schematic diagram of first connecting rod；

In figure, I-thread feeding mechanism, II-winding mechanism, III-shuttle shape knotting mechanism, IV-the second transmission mechanism；

1- bulb mandril, 2- cam pin, 3- cam canister, 4- sleeve, 5- rack gear push rod, 6- first gear, 7- transition wheel, 8- Partial gear, 9- backplate, 10- strut, 11- pressing plate, 12- pin shaft, 13- card line pedestal, 14- shuttle, 15- winding base, 16- Meniscus, 17- rotary shaft, 18- gear, 19- spring, 20- second connecting rod, 21- rack, the first groove of 22-, the second groove of 23-, 24- groove, 25- line sending rocking bar, 26- first connecting rod, 27- belt pulley II, 28- crank, 29- belt, 30- motor, 31- belt pulley I, 32- bracket, the 33- arc body of rod, 34- plate body, 35- reference circle pinion gear, 36- reference circle gear wheel.

Specific embodiment

It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field The identical meanings of understanding.

It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.

As background technique is introduced, deficiency exists in the prior art, in order to solve technical problem as above, the application Propose a kind of miniaturization, automation, reliably based on the vegetables knotter of clamp hold-down mechanism, it can be with more to meet vegetable grower The automatic vegetable baler that time saving and energy saving mechanical system designs the rodlike vegetables harvested progress bundling.

In a kind of typical embodiment of the application, as shown in Figure 1-Figure 3, provide a kind of based on clamp hold-down mechanism Vegetables knotter, including thread feeding mechanism I, winding mechanism II and the shuttle shape knotting mechanism III supported by rack 21, shuttle shape is beaten The side of knot mechanism III is equipped with for that will tie the exceptionally straight auxiliary body of line；

Auxiliary body includes spring 19, and spring 19 is placed on slide bar, and slide bar is set to 21 two sides of rack, passes through between two slide bars Second connecting rod 20 connects.

By Fig. 1, the second connecting rod 20 of auxiliary body is correspondingly arranged in I line sending rocking bar of thread feeding mechanism, 25 end and winding mechanism Between II 1 groove 24 of bulb mandril.

Auxiliary body forms the inclination of frame shape and is set to rack 21, when knotting line is by second connecting rod 20, because of second connecting rod 20 barrier effect makes knotting line exceptionally straight, and then close to the bulb mandril 1 of winding mechanism II, bulb mandril 1 corkscrews, Bulb mandril 1 is fluted, lives line card during spiral rotating, and rotates and be coiled into loop coil, completes coiling movement.

As shown in Figure 20-Figure 24, thread feeding mechanism I includes line sending rocking bar 25,25 end of line sending rocking bar and multiple first connecting rods 26 connection form four-bar mechanism, four-bar mechanism connect with the first transmission mechanism, the first transmission mechanism drive four-bar mechanism operate with Make 25 reciprocating action winding mechanism of line sending rocking bar, I line sending.

Line sending rocking bar 25 includes the arc body of rod 33, and 33 one end of the arc body of rod is connect with plate body 34,33 other end of the arc body of rod Vacantly；34 both ends of plate body are connect with first connecting rod 26, and crank 28 is connected between two first connecting rods 26, and crank 28 and first pass The connection of motivation structure.Two first connecting rods 26, crank 28 and plate body 34 form four-bar mechanism.

First transmission mechanism includes the belt pulley II 27 connecting with crank 28, and belt pulley II 27 and belt pulley I 31 pass through skin Band 29 connects, and belt pulley I 31 is connect with motor 30, and belt pulley I 31 and motor 30 are supported on bracket 32.

As shown in Fig. 4-Figure 12, winding mechanism II includes the bulb mandril 1 being obliquely installed, and 1 end of bulb mandril is provided with use In the groove 24 of card line, and bulb mandril 1 can be rotated relative to center axis to form coil in 1 end of bulb mandril, And it can realize and move back and forth along 1 length direction of bulb mandril；Pass through the setting of groove 24 at the top of bulb mandril 1, knotting line is worn Groove 24 is crossed, the rotation of bulb mandril 1 can form coil.

Cam pin 2 is arranged in 1 surface of bulb mandril, and bulb mandril 1 is arranged across cam canister 3, and cam pin 2 and cam canister 3 The helicla flute on surface cooperates, and bulb mandril 1 passes through cam canister 3 and connect with rack gear push rod 5, and rack gear push rod 5 is connect with propulsive element. As shown in figure 9, the end size of bulb mandril setting groove is greater than the size of ontology, after bulb mandril ontology passes through cam canister 3 It is connect by screw thread with sleeve 4, sleeve 4 and rack gear push rod 5 are socketed, and the angled straight lines under propulsive element promotion of rack gear push rod 5 are moved It is dynamic, and then before driving bulb mandril 1 to rotate in the case where the helicla flute of cam canister 3 is to the limit of cam pin 2 along its slant setting direction Into.

Propulsive element includes the first gear 6 engaged with rack gear push rod 5, and first gear 6 and partial gear 8 cooperate, no Complete gear 8 is connect with power source, to pass through linearly operating of the first gear 6 with carry-over bar push rod 5.

Partial gear 8 includes the reference circle pinion gear 35 and reference circle gear wheel 36 of two semicirculars in shape, and reference circle is small Gear 35 and reference circle gear wheel 36 are arranged concentrically and link into an integrated entity relatively, and the radius of reference circle pinion gear 35 is less than reference circle The radius of gear wheel 36.Reference circle pinion gear 35 and reference circle gear wheel 36 are external gear.

Reference circle gear wheel 36 is directly engaged with first gear 6, is arranged between reference circle pinion gear 35 and first gear 6 Ferry boat 7.

Propulsive element of the set square for protection is arranged in 3 side of cam canister.

It, can be by reference circle pinion gear 35, the half with a thickness of reference circle gear wheel 36 of transition wheel 7, mistake in specific implementation Ferry boat 7 is engaged with reference circle pinion gear 35.The thickness of first gear 6 is identical as 36 thickness of reference circle gear wheel, first gear 6, Transition wheel 7, partial gear 8 are fixed at set square different location.First gear 6 is meshed with rack gear push rod 5, incomplete tooth Wheel rotates clockwise, and when reference circle pinion gear 35 is meshed with transition wheel 7, reference circle gear wheel 36 is not contacted with first gear 6, So first gear 6 rotates clockwise, 5 ascent propulsion of rack gear push rod；When first gear 6 is engaged with reference circle gear wheel 36, First gear 6 rotates counterclockwise, and rack gear push rod 5 retreats.

As shown in Figure 13-Figure 19, shuttle shape knotting mechanism III includes revolvable semi-circular shuttle 14, the setting of 14 end of shuttle Hooking end makes coil be centered around 14 outer wall of shuttle to catch on coil, and line end is driven reversely to pack into coil, completes knotting movement.

Shuttle 14 is installed on the meniscus 16 in winding base 15, and meniscus 16 and 14 shape of shuttle cooperate, meniscus 16 It is placed on rotary shaft 17, rotary shaft 17 is connect with the gear 18 of the second transmission mechanism IV, and the second transmission mechanism IV is driven by power source And then rotary shaft 17 is driven to rotate, and rotary shaft 17 is connect to drive shuttle 14 to rotate relative to meniscus 16 with shuttle 14.

Card line pedestal 13 is arranged in winding base 15 on the inside of shuttle 14, activity setting strut 10 and pressing plate in card line pedestal 13 11, strut 10 is contacted with the V-shaped groove face of pressing plate 11.The rotation of semi-circular shuttle and the cooperation of strut 10, pressing plate 11 are to make to restrict Knot is compacted, and the cooperation in V-shaped groove face increases the frictional force of rope Yu pressing plate 11 between strut 10, pressing plate 11, ensure that knot The reliability being compacted.The cooperation of strut 10 and pressing plate 11 constitutes clamp hold-down mechanism, and knotting line/bundle rope clamp is lived to compress.

When knotting line is pulled at card line pedestal, knotting line gives the power of strut inwards, and strut is supportted around axial inboard overturning Bar is contacted with pressing plate in groove face, and the two is in 90 degree of placements, when strut is turned to inboard with card line pedestal level, pressing plate At this time also with pedestal level and by groove face and strut full contact, knotting line is placed between the two at this time, and because groove face Contact increases contact area, and knotting line is enabled firmly to be blocked fixation.

The second groove for installing the first groove 22 of strut 10 and for installing pressing plate 11 is set in card line pedestal 13 23, strut 10 and pressing plate 11 are rotated by pin shaft 12 relative to card line pedestal 13 respectively.

Rotary shaft 17 passes through winding base 15 and card line pedestal 13 passes through the rack 21 that backplate 9 is installed on, and shuttle shape knots Mechanism is set to the side of bulb mandril 1, so that knotting line applies strut by entering shuttle shape knotting mechanism after bulb mandril groove Power.

After knotting line is rotated by winding mechanism bulb mandril to be blocked, coil is formed, bulb mandril advances, by toroid Circle is sent at the sharp hook end of Rotational shuttle 14, and shuttle 14, which is caught on, to be rotated with, and when going at strut, strut clamps toroid One end of circle plays the role of fixing a rear line head during knotting, and clamp strut closes up, and fixes line, at this time shuttle 14 One end with moving-wire holds it among coil, completes knotting movement.

The specific work process of the utility model knotter is as follows:

Firstly, motor 30 is fixed in rack 21, belt pulley II 27 is connect by belt 29 with belt pulley I 31, belt pulley I 31 are connected with motor 30, and crank 28, two first connecting rods 26, line sending rocking bar 25 form crank rocker four-bar mechanism, belt pulley II 27 are fixedly connected with crank 28, and motor 30 rotates and then crank 28 is driven to rotate, so that line sending rocking bar 25 be driven to swing, knot Line/bundle rope is located inside arch line sending rocking bar 25, so that knotting line/bundle rope be driven to be arrived at winding mechanism II down.It is passed first Under the drive of motivation structure, four-bar mechanism drives the line sending rocking bar 25 of thread feeding mechanism I to send knotting line/bundle rope to the of auxiliary body At two connecting rods 20, because the barrier effect of second connecting rod 20 tightens knotting line/bundle rope, and then close to the bulb of winding mechanism II Mandril 1, bulb mandril 1 corkscrew, and bulb mandril 1 is fluted, block knotting line/bundle rope during spiral rotating, And it rotates and is coiled into loop coil, complete coiling movement, be ready for next step knotting movement；

Bulb mandril 1 is threadingly advanced under the drive of propulsive element, and will be tied at wire saws to shuttle shape knotting mechanism III, support Bar 10 is by knotting line/bundle rope pressure, and strut can be rotated around the pin shaft 12 inside card line pedestal 13, and pressing plate 11 is provided with and supports The identical V-shaped groove of 10 shape of bar, strut 10 are contacted with the V-shaped groove face of pressing plate 11, when knotting line/bundle rope is towed to clamp card line When at pedestal 13, strut 10 by knotting line/bundle restrict to inwards pressure (when knotting line/bundle rope is pulled at strut, Knotting line/bundle is restricted to be acted on to the direction of strut, and knotting line/bundle rope acts on strut, just gives the power of strut one inwards), thus Make strut 10 around pin shaft 12 to rotating on the inside of card line pedestal 13, and strut 10 is contacted with pressing plate 11 in groove face, and the two is in 90 Degree is placed, and when strut 10 turns to horizontal with pedestal 13 to inboard, pressing plate 11 is also horizontal with pedestal 13 at this time and passes through groove face It is completely attached to strut 10, the line of knotting at this time/bundle rope is stuck between strut 10 and pressing plate 11, and because of the design in V-shaped groove face To increase contact area, the reliability that knotting line/bundle rope is stuck is increased.After the completion of card line movement, starts coiling and beat Knot movement.

By being caught in knotting line/bundle rope, bulb top during previous step line sending in 1 groove of bulb mandril in winding mechanism II Bar 1 is moved forward and is rotated along spiral trajectory under the drive of propulsive element and rack gear push rod 5, thus knotting Line/bundle rope back-outs a becket bridle.During rack gear push rod 5 promotes, reference circle pinion gear 35 is engaged with transition wheel 7, in tooth During push rod 5 exits, reference circle gear wheel 36 is engaged with first gear 6, without changing motor steering The propulsion for changing rack gear push rod 5 is exited, namely completes the spinning in and out of bulb mandril 1, to complete wiring movement.Incomplete tooth Wheel 8 rotates clockwise, and when reference circle pinion gear 35 is meshed with transition wheel 7, reference circle gear wheel 35 does not connect with first gear 6 Touching, so first gear 6 rotates clockwise, rack gear push rod 5 rises, and bulb mandril 1 rises along the multi-track spiral of cam canister 3, Knotting line is stuck in the groove of bulb mandril 1 at this time, and as partial gear 8 rotates 180 °, bulb mandril 1 is also rotated with it 180 °, knotting line/bundle rope between two grooves also rotates with it 180 °, and is close to the outer wall of bulb mandril, forms becket bridle；Wiring After the completion of gyration is made, rotary shaft 17 and shuttle 14 are coaxially connected, and the rotation of rotary shaft 17 drives the rotation of shuttle 14, and shuttle 14 is in half Annulus arch and the tip to knot containing one for hooking, when shuttle 14 rotates, coil is caught at tip, makes coil with shuttle Son rotation, and coil is centered around the outer wall of shuttle 14, and shuttle, which turns over, turns over 180 ° clockwise, with the rotation of shuttle, drives Line end reversely packs into coil, completes knotting movement.

The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.

Claims (10)

1. a kind of vegetables knotter based on clamp hold-down mechanism, characterized in that including supported by rack thread feeding mechanism, around Line mechanism and shuttle shape knotting mechanism；

The thread feeding mechanism includes line sending rocking bar, and line sending rocking bar end connect to form four-bar mechanism with multiple first connecting rods, four bars Mechanism is connect with the first transmission mechanism, and four-bar mechanism is driven to operate for the first transmission mechanism so that line sending rocking bar reciprocating action is coiling Mechanism line sending；

The winding mechanism includes the bulb mandril being obliquely installed, and bulb mandrel ends are provided with the groove for card line, and bulb Mandril can be rotated relative to center axis to form coil in bulb mandrel ends, and can be along bulb mandril length direction It realizes and moves back and forth；

The shuttle shape knotting mechanism includes revolvable semi-circular shuttle, and hooking end, which is arranged, in shuttle end makes coil to catch on coil It is centered around shuttle outer wall, line end is driven reversely to pack into coil, completes knotting movement.

2. vegetables knotter as described in claim 1, characterized in that the line sending rocking bar includes the arc body of rod, the arc body of rod One end is connect with plate body, and the arc body of rod other end is hanging；The plate body both ends are connect with first connecting rod, between two first connecting rods It is connected with crank, crank is connect with the first transmission mechanism；

The free end of the arc body of rod extends at bulb mandril.

3. vegetables knotter as described in claim 1, characterized in that cam pin, bulb top is arranged in the bulb ram surface Bar is arranged across cam canister, and cam pin and the helicla flute on cam canister surface cooperate, and bulb mandril passes through cam canister and pushes away with rack gear Bar connection, rack gear push rod are connect with propulsive element；

The cam canister side setting set square is for protecting the propulsive element.

4. vegetables knotter as claimed in claim 3, characterized in that the propulsive element includes engaging with the rack gear push rod First gear, first gear and partial gear cooperate, and partial gear is connect with power source, to pass through first gear drive The linearly operating of rack gear push rod.

5. vegetables knotter as claimed in claim 4, characterized in that the partial gear includes point of two semicirculars in shape Circle pinion gear and reference circle gear wheel are spent, the reference circle pinion gear and reference circle gear wheel are arranged concentrically relatively and connect into one Body.

6. vegetables knotter as claimed in claim 5, characterized in that the reference circle gear wheel is directly nibbled with first gear It closes, transition wheel is set between reference circle pinion gear and first gear.

7. vegetables knotter as described in claim 1, characterized in that the shuttle is installed on the meniscus in winding base, Meniscus and shuttle shape cooperate, and meniscus is placed on rotary shaft, and rotary shaft is connect with the second transmission mechanism, and rotary shaft and shuttle Connection is to drive shuttle to rotate relative to meniscus.

8. vegetables knotter as claimed in claim 7, characterized in that card line base is arranged in the winding base on the inside of shuttle , activity setting strut and pressing plate, strut are contacted with pressing plate in groove face in card line pedestal；

The rotary shaft passes through winding base and card line pedestal and is installed on the rack by backplate, and shuttle shape knotting mechanism is set In the side of the bulb mandril.

9. vegetables knotter as claimed in claim 8, characterized in that be arranged in the card line pedestal for installing the strut The first groove and the second groove for installing the pressing plate, strut and pressing plate pass through pin shaft respectively and revolved relative to card line pedestal Turn.

10. vegetables knotter as described in claim 1, characterized in that the side of the shuttle shape knotting mechanism, which is equipped with, to be used for The exceptionally straight auxiliary body of line will be tied；The auxiliary body includes the slide bar set on rack two sides, passes through second between two slide bars Connecting rod connection, slide bar one end and slide bar, second connecting rod connecting pin between be cased with spring；

The second connecting rod is correspondingly arranged between line sending rocking bar end and bulb mandril groove.