CN208697507U - Using the food infeed set-up of underneath type knife drive mechanism - Google Patents

Abstract

The utility model discloses a kind of food infeed set-ups using underneath type knife drive mechanism, original overhead type knife drive mechanism is replaced using underneath type knife drive mechanism, this set mechanism uses speed reducer for servo motor group combination eccentric wheel mechanism and driving arm mechanism as cutter lift drive mechanism using lifting, cooperate cutter lifting guiding mechanism driving cutter up and down, it drives cutter to go up and down guiding mechanism by the combination of the servo drive of the swing in cutter swing driving mechanism and linear guides simultaneously to move forward and backward along conveying direction, realize cutter swing.The utility model using underlying form on the one hand by avoiding food contaminated core driving mechanism, another aspect cutter swing driving mechanism cooperates linear guides that cutter is driven to swing using individual swing with servo drive, simplify structure, it is easily assembled and repairs, functional reliability is also higher.

Description

Using the food infeed set-up of underneath type knife drive mechanism

Technical field

The utility model relates to a kind of food infeed set-ups using underneath type knife drive mechanism.

Background technique

Food infeed set-up be in current food-processing industry (chocolate, candy) for the continuous cutting operation of food compared with For mature production equipment, although at present on the market there are many equipment of model specification, main structure is all the same.It is awarded with company For the patent of invention " improved food infeed set-up " (ZL201510307455.2) of power, this based food infeed set-up is usually all Comprising belt conveyor and knife drive mechanism, and knife drive mechanism drives from cutter lifting is functionally subdivided into Mechanism and cutter swing driving mechanism.Cutter lift drive mechanism gives connecting rod machine using sprocket wheel and cam transmitting motor output power Structure drives cutter up and down, and cutter swing driving mechanism then uses relating design, using the sprocket wheel of front together with movable pendulum Fixing seat where bar pulls cutter is moved back and forth along conveyor belt, so that it is certain to be applied to food while cutter cutting food products Thrust, drive food be continuously conveyed between two conveyor belts of interval.The mechanism of a whole set of infeed set-up designs It is compact, and have the advantages that efficient work, operational reliability and stability are high in practice.

However in the long-term use process, for excelsior improvement purpose, we still have found that above-mentioned food is horizontal There are the following problems for cutting apparatus:

1) knife drive mechanism is integrally all assemblied in the top of conveyor belt by bracket, in long-term operational process by Abrasion between components is simultaneously influenced by mechanism vibrations and gravity, is unavoidably had ash bits, sundries and machine oil and is fallen, pollutes Food in the conveyor belt of lower section.

2) cutter lift drive mechanism and cutter swing driving mechanism are designed using linkage, and by single servo motor conduct Motive drive source, not only mechanism is complicated, inconvenient maintenance, and once wherein a set of driving mechanism is out of joint needs repairing or replace When, it can directly involve another set of mechanism and dismantle or replace together therewith, substantially increase maintenance difficulty and enterprise's production cost branch Out.

Summary of the invention

The utility model aim is: providing for deficiency existing for the existing food infeed set-up mentioned in background technique A kind of food infeed set-up using underneath type knife drive mechanism, which can effectively prevent food pollution, and cutter drives Motivation structure assembles and repairs more convenient, and functional reliability is higher.

The technical solution of the utility model is: a kind of food infeed set-up using underneath type knife drive mechanism, including Rack, the belt conveyor in rack, the cutter above belt conveyor and the cutter of driving cutter movement Driving mechanism, the belt conveyor include two groups of conveyor belts of Connexin arrangement；It is characterized in that the cutter drives Motivation structure is underneath type knife drive mechanism, including cutter lifting guiding mechanism, cutter lift drive mechanism and cutter swing and drive Motivation structure；

Cutter lifting guiding mechanism includes guiding upright bar, the upright bar assembling stand of fixed guidance upright bar and by opening up The cutter assembling stand of guide hole and guidance upright bar cooperation, cutter is fixed on cutter assembling stand, and upright bar assembling stand is located at conveying skin Band lower section；

The cutter lift drive mechanism includes lifting speed reducer for servo motor group below the conveyor belt and partially Xin Lun mechanism；Eccentric wheel mechanism includes camshaft assembling stand, pivots the camshaft being set on camshaft assembling stand and consolidate The eccentric wheel being scheduled on camshaft；The output shaft of lifting speed reducer for servo motor group is passed via transmission mechanism and camshaft Dynamic connection；Cutter lift drive mechanism further includes driving arm mechanism, which includes longitudinally disposed actuating arm, actuating arm Upper and lower end passes through oscillating bearing and is flexibly connected respectively with cutter assembling stand and eccentric wheel；

Cutter swing driving mechanism includes the swing servo drive and linear guides below conveyor belt, line Property guide rail along conveyor belt conveying direction be arranged, be connected between upright bar assembling stand and rack by linear guides；Upright bar assembly Fix or be integrally formed with drive connection plate on seat, the output end of the swing servo drive be connected with drive connection plate with Driving cutter lifting guiding mechanism is moved back and forth along linear guides.

Further, swing described in the utility model is servo electric cylinders or servo cylinder with servo drive.

Further, when specific assembly, servo electric cylinders described in the utility model includes that swing servo motor slows down Unit and screw mechanism, screw mechanism include the screw rod and screw rod being connected with swing with the output shaft of speed reducer for servo motor group The nut block of cooperation and be fixed on the rack with pivot assembly screw rod screw rod support plate, nut block and be drivingly connected plate fix or Integrated design.

It is to be appreciated that either lifting speed reducer for servo motor group or swing are subtracted with servo motor in the utility model The construction of fast unit, speed reducer for servo motor group is identical, and is the prior art, i.e., by servo motor and the common structure of speed reducer At, the input terminal of the output shaft access speed reducer of servo motor, and the output shaft of speed reducer is exactly the output shaft of entire unit.

More preferably, the guiding with guidance upright bar cooperation is integrally formed in drive connection plate described in the utility model Set.To be drivingly connected to be formed between plate and guidance upright bar by guide sleeve and be associated with, increases and be drivingly connected plate and entire cutter liter Stress point between guiding mechanism drops, to improve the stress equalization of entire cutter lifting guiding mechanism, it is ensured that it is backhauled Dynamic stationarity and reliability.

Further, transmission mechanism described in the utility model be gear drive or synchronous belt drive mechanism, or Person's synchronous sprocket wheel transmission mechanism.

Further, the output shaft and camshaft of the speed reducer for servo motor group of lifting described in the utility model are flat Row arrangement, the transmission mechanism preferentially use gear drive with assurance mechanism simplification, and gear drive includes mutual The driving and driven gear of engagement, wherein driving gear is fixed on the output shaft of lifting speed reducer for servo motor group, and driven tooth Wheel is then fixed on camshaft.

The considerations of for design balance, it is preferred that guidance upright bar described in the utility model is two, is symmetrically disposed on The two sides of conveyor belt, corresponding upright bar assembling stand and linear guides are all symmetrically arranged two.

Preferred simultaneously, the eccentric wheel in eccentric wheel mechanism described in the utility model is co-axially fixed two, and institute Two sets that driving arm mechanism is corresponding two eccentric wheels setting are stated, two sets of driving arm mechanisms are filled with corresponding guidance upright bar respectively Match.

Food when in order to further prevent crosscutting food in conveyor belt is contaminated, in the machine in the utility model The shield being fixed with above conveyor belt on frame, the shield at least cover cutter assembling stand and cutter thereon.Tool When body is implemented, shield can also cover a part of two sides conveyor belt, to prevent the food of two sides conveyor belt junction It is polluted during crosscutting.

It is the same with original technology, it is equipped in the gap of two groups of conveyor belts described in the utility model and is fixed on the rack On fixed tray, which is located at below cutter；The surface of two groups of conveyor belts flushes, and the fixation The top of formula tray is lower than 1 ~ 2mm of surface of two sides conveyor belt, or flushes with the surface of two sides conveyor belt.Fixed support Block is to replace original rolling roller, so that the problem of effectivelying prevent cutter and rolling roller juxtaposition metamorphose, substantially increases cutter and cut Stability and reliability are cut, guarantees the property cut of material.Fixed tray is suitably reduced to height when specific setting to be mentioned Transmitting fluency between high adjacent drive belt.

It is to be appreciated that the underneath type knife drive mechanism in this case is the driving mechanism for specially designing and naming, under this set The formula knife drive mechanism of setting is not necessarily referring to its each composition component and is placed in below conveyor belt, but the driving relative to script For mechanism, overall architecture is intended to be placed in the form below conveyor belt.It is living comprising main power source and its correlation Dynamic component, such as lifting speed reducer for servo motor group and its eccentric wheel mechanism, and swing with servo drive and linear Guide rail is all placed in the lower section of conveyor belt.And the guidance upright bar in guiding mechanism is gone up and down with the cutter of cutter direct correlation, is cut Driving arm mechanism in knife assembling stand and cutter lift drive mechanism then unavoidably has the portion being located above conveyor belt Point, but they are also placed in conveyor belt side as far as possible by us, to exclude the influence for conveyor belt superjacent food.

Utility model works principle is as follows:

With routine techniques, the same food is continuously conveyed by belt conveyor.Lifting servo in the utility model After the starting of decelerating through motor unit, output shaft drives camshaft to rotate by transmission mechanism, and eccentric wheel then passes through actuating arm machine Structure drives cutter assembling stand along guidance upright bar oscilaltion, so that food is cut in cutter up and down motion.It swings and uses Servo drive and lifting are started simultaneously with speed reducer for servo motor group, and output end drives cutter to go up and down guiding mechanism It is moved back and forth along linear guides, so that cutter is slightly swung before and after food conveying direction while upper incision falls movement, it will In food pushing belt to the conveyor belt of the other side in the conveyor belt of side, scheduled swing cutting action is completed.

In industry, since food is continuously moved by belt conveyor drive during cutter cutting food products, And food can not be connected well in the gap location of two conveyor belts.So cutter must have the movement of a transverse direction and shifting Dynamic speed is preferably and the speed that moves of food is consistent, it is ensured that the traveling of food at the uniform velocity, to could guarantee to cut to greatest extent Food appearance afterwards is neat.Therefore the utility model is in actual job, lifting is with speed reducer for servo motor group and swing servo The speed of driving device (servo electric cylinders or servo cylinder) is reached an agreement by the pre-adjusting of artificial or PLC controller, it is ensured that Optimal predetermined cuts movement is reached in mutually coordinated running.

The utility model has the advantages that:

1. the utility model compares original food infeed set-up, the knife drive mechanism of core is done and has substantially been changed Into using the original overhead type knife drive mechanism of underneath type knife drive mechanism replacement, this set underneath type knife drive mechanism Overall architecture be intended to be placed in the form below conveyor belt, include main power source and its correlated activation component, such as Lifting is all placed in speed reducer for servo motor group and its eccentric wheel mechanism and swing servo drive and linear guides The lower section of conveyor belt, in this way design effectively avoid during mechanism longtime running because between components abrasion and Ash bits, sundries and machine oil fall the generation of the case where food in the conveyor belt of pollution lower section caused by vibration and gravity influence, It ensure that the cleanliness and safety of food production.

2. the guidance upright bar and cutter in the cutter lifting guiding mechanism being directly linked in the utility model with cutter are gone up and down Driving arm mechanism in driving mechanism is all placed in conveyor belt side, to exclude the shadow for conveyor belt superjacent food It rings, the food in conveyor belt is further prevented to be contaminated, thus the strong cleanliness and safety that ensure that food production Property.

3. the utility model another core improvement is to have redesigned cutter swing driving mechanism, the mechanism eliminate as Linkage structure complicated like that between cutter lift drive mechanism design, is driven using individual swing with servo in existing design Dynamic device, and cooperate linear guides to drive entire cutter lifting guiding mechanism that cutter is driven to realize the movement that swings back and forth, not only Structure is simplified, is easily assembled and repairs, and in actual use, since both sides do not have the high-precision component that is linked, a side Damage not will lead to the replacement of another party, greatly reduce maintenance difficulty and enterprise's production cost expenditure.

4. being connected between upright bar assembling stand and rack by linear guides in the utility model, the introducing of linear guides is mentioned The stationarity that high cutter lifting guiding mechanism and cutter move back and forth, and can greatly dampening mechanism run noise.

5. cutter lifting guiding mechanism ensures cutter using guidance upright bar and the cooperation of cutter assembling stand in the utility model The stability and operation precision of up and down motion, and the actuating arm upper and lower end in arm mechanism is driven to distinguish by oscillating bearing It is flexibly connected with cutter assembling stand and eccentric wheel, the design introducing of oscillating bearing eliminates cutter lift drive mechanism, eccentric wheel Interfering between mechanism, driving arm mechanism,

It ensures the smooth coordination between cutter lifting and swing activity, gives mechanism and run enough reliabilities.

6. the guide sleeve with guidance upright bar cooperation is integrally formed in the utility model on being drivingly connected plate.Guide sleeve It introduces and is associated with so that being drivingly connected and being formed between plate and guidance upright bar, increase drive connection plate and entire cutter goes up and down vectoring aircraft Stress point between structure, to improve the stress equalization of entire cutter lifting guiding mechanism, it is ensured that it is moved back and forth steady Property and reliability.

7. the utility model compares original food infeed set-up, a whole set of structure is more simplified, and the institute in prioritization scheme Stating guidance upright bar is two, is symmetrically disposed on the two sides of conveyor belt, corresponding upright bar assembling stand and linear guides are all symmetrical Two be arranged, and the eccentric wheel in the eccentric wheel mechanism is co-axially fixed two, and the driving arm mechanism is to correspond to Two sets of two eccentric wheels setting.Design enhances the balance and stability of overall architecture in this way, improves the utility model The stability and reliability of device operation.

8. the utility model further fixes the shield above conveyor belt on the rack, the shield is extremely Cutter assembling stand and cutter thereon are covered less.The introducing of shield further effectively prevent the food of two sides conveyor belt junction Product are polluted during crosscutting, improve the cleanliness and safety of food production.

Detailed description of the invention

The utility model is further described with reference to the accompanying drawings and embodiments:

Fig. 1 is the structural front view of the utility model；

The right view that Fig. 2 is Fig. 1 (omits belt conveyor, to highlight main cutter lifting guiding mechanism and cutter Lifting drives the mechanism)；

Fig. 3 is the cutter swing driving mechanism independent structure schematic diagram in Fig. 1.

Wherein: 1, rack；2, belt conveyor；3, cutter；4, conveyor belt；5, upright bar is guided；6, upright bar assembling stand； 7, cutter assembling stand；8, lifting speed reducer for servo motor group；9, camshaft assembling stand；10, camshaft；11, eccentric wheel； 12, actuating arm；13, oscillating bearing；14, linear guides；15, it is drivingly connected plate；16, swing speed reducer for servo motor group；17, Screw rod；18, nut block；19, screw rod support plate；20, guide sleeve；21, driving gear；22, driven gear；23, shield；24, Fixed tray.

Specific embodiment

Embodiment: below with reference to shown in Fig. 1 ~ Fig. 3, use the food of underneath type knife drive mechanism horizontal the utility model A kind of specific embodiment of cutting apparatus is described as follows:

As the prior art, the food infeed set-up by rack 1, the belt conveyor 2 in rack 1, be set to This four parts of knife drive mechanism that the cutter 3 and driving cutter 3 of 2 top of belt conveyor act are constituted.The skin Band conveying mechanism 2 is as shown in Figure 1, its structural reference prior art, every group of two groups of conveyor belt 4(arranged with Connexin Conveyor belt 2 is by corresponding motor through chain-wheel mechanism and synchronous pulley driving operating), it is no longer described in detail in the present embodiment.And And the fixed tray 24 being fixed in the rack 1, the fixed tray 24 are equipped in the gap of two groups of conveyor belts 4 Positioned at 3 lower section of cutter, the surface of two groups of conveyor belts 4 is flushed, and the top of the fixed tray 24 and two sides convey The surface of belt 4 flushes.

The core improvement of the present embodiment is: the knife drive mechanism is the underneath type cutter driving machine specially designed Structure, the mechanism are made of three sets of cutter lifting guiding mechanism, cutter lift drive mechanism and cutter swing driving mechanism mechanisms.

Cutter described in the present embodiment goes up and down the upright bar that guiding mechanism guides upright bar 5, corresponding fixed guidance upright bar 5 by two Assembling stand 6 and by the guide hole opened up and guidance upright bar 5 cooperate cutter assembling stand 7 collectively form.As shown in connection with fig. 2, described Two guidance upright bars 5 are symmetrically disposed on the two sides of conveyor belt 4, and corresponding upright bar assembling stand 6 is also two, and is respectively positioned on defeated Send belt 4 lower section, cutter 3 is fixed on cutter assembling stand 7.

Cutter lift drive mechanism described in the present embodiment is slowed down by the lifting servo motor for being set to 4 lower section of conveyor belt Unit 8, eccentric wheel mechanism and driving arm mechanism collectively form.Referring to figs. 1 and 2, eccentric wheel mechanism is by being fixed on rack 1 The camshaft assembling stand 9 of bottom pivots the camshaft 10 being set on camshaft assembling stand 9 and is fixed on camshaft 10 On two eccentric wheels 11 collectively form；Lifting is with the output shaft of speed reducer for servo motor group 8 via transmission mechanism and eccentric wheel Axis 10 is sequentially connected.And the output shaft of the speed reducer for servo motor group 8 of lifting described in the present embodiment is parallel with camshaft 10 Arrangement, the transmission mechanism use gear drive, are made of intermeshing driving and driven gear 21,22, wherein actively Gear 21 is fixed on the output shaft of lifting speed reducer for servo motor group 8, and driven gear 22 is then fixed on camshaft 10 On.

Driving arm mechanism described in the present embodiment is two sets of corresponding two eccentric wheels 11 setting, specific as shown in Fig. 2, every Set driving arm mechanism is made of longitudinally disposed actuating arm 12 and two oscillating bearings 13, and the upper and lower end of actuating arm 12 passes through Oscillating bearing 13 is flexibly connected with cutter assembling stand 7 and eccentric wheel 11 respectively.

Cutter swing driving mechanism is by the swing servo drive and line set on 4 lower section of conveyor belt in the present embodiment Property guide rail 14 collectively constitutes.In conjunction with shown in Fig. 1 ~ 3, the corresponding two upright bar assembling stands 6 of linear guides 14 are also pair in the present embodiment Claim two of setting, each linear guides 14 are arranged along the conveying direction of conveyor belt 4, between upright bar assembling stand 6 and rack 1 It is connected by linear guides 14.It is specific again to be drivingly connected plate 15, the pendulum as shown in Fig. 2, being fixed on upright bar assembling stand 6 The output end for employing servo drive is connected with plate 15 is drivingly connected to drive cutter lifting guiding mechanism along linear guides 14 It moves back and forth.

In conjunction with shown in Fig. 1 and Fig. 3, swing described in the present embodiment is servo electric cylinders with servo drive.

The servo electric cylinders are constituted by swinging with speed reducer for servo motor group 16 and screw mechanism, and screw mechanism includes and pendulum It employs the connected screw rod 17 of the output shaft of speed reducer for servo motor group 16, the nut block 18 cooperated with screw rod 17 and is fixed on rack The screw rod support plate 19 of assembly screw rod 17 is pivoted on 1, nut block 18 and drive connection plate 15 are fixed.And institute in the present embodiment It states and is drivingly connected the guide sleeve 20 that 15 two sides of plate are integrally formed with guide upright bar 5 to cooperate.To be drivingly connected by guide sleeve 20 It is formed and is associated between plate 15 and guidance upright bar 5, increase the stress being drivingly connected between plate 15 and entire cutter lifting guiding mechanism Point, to improve the stress equalization of entire cutter lifting guiding mechanism, it is ensured that its stationarity and reliability for moving back and forth.

As depicted in figs. 1 and 2, the shield being fixed in the embodiment of the present invention rack 1 above conveyor belt 4 23, which covers a part of cutter assembling stand 7 and cutter 3 and two sides conveyor belt 4 thereon.To prevent The food of 4 junction of two sides conveyor belt is polluted during crosscutting.

It is to be appreciated that either lifting speed reducer for servo motor group 8 or swing are subtracted with servo motor in the present embodiment Fast unit 16, the construction of speed reducer for servo motor group is identical, and is the prior art, i.e., common by servo motor and speed reducer It constitutes, the input terminal of the output shaft access speed reducer of servo motor, and the output shaft of speed reducer is exactly the output shaft of entire unit.

Utility model works principle is as follows:

With routine techniques, the same food is continuously conveyed by belt conveyor.Lifting servo in the utility model After decelerating through motor unit 8 starts, output shaft drives camshaft 10 by gear drive (driving and driven gear 21,22) Rotation, eccentric wheel 11 then drives cutter assembling stand 7 along guidance 5 oscilaltion of upright bar by driving arm mechanism, so that cutter 3 Food is cut in up and down motion.Swing speed reducer for servo motor group 16 and lifting speed reducer for servo motor group 8 are same Shi Qidong's, output end is by screw mechanism and is drivingly connected the drive upright bar assembling stand 6 of plate 15, and then drives entire cutter liter Drop guiding mechanism is moved back and forth along linear guides 14, so that cutter 3 is while upper incision falls movement before food conveying direction It slightly swings afterwards, scheduled swing in the conveyor belt 4 of the food pushing belt in side conveyor belt 4 to the other side, will be completed and cut Cut movement.

In industry, since food is continuously moved by belt conveyor drive during cutter cutting food products, And food can not be connected well in the gap location of two conveyor belts 4.So cutter 3 must have the movement of a transverse direction and Mobile speed is preferably and the speed that moves of food is consistent, it is ensured that the traveling of food at the uniform velocity, to could guarantee to cut to greatest extent Food appearance after cutting is neat.Therefore the utility model is in actual job, lifting speed reducer for servo motor group 8 and swings with watching The speed for taking decelerating through motor unit 16 is reached an agreement by the pre-adjusting of artificial or PLC controller, it is ensured that mutually coordinated running reaches It is acted at optimal predetermined cuts.

Certainly the above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with this The people of technology can understand the content of the utility model and implement accordingly, and the protection model of the utility model can not be limited with this It encloses.Any modifications made in accordance with the spirit of the main technical solutions of the utility model should all cover the guarantor in the utility model Within the scope of shield.

Claims (10)

1. a kind of food infeed set-up using underneath type knife drive mechanism, including rack (1), the skin being set on rack (1) Cutter driving machine with conveying mechanism (2), the cutter (3) being set to above belt conveyor (2) and driving cutter (3) movement Structure, the belt conveyor (2) include two groups of conveyor belts (4) of Connexin arrangement；It is characterized in that the cutter drives Motivation structure is underneath type knife drive mechanism, including cutter lifting guiding mechanism, cutter lift drive mechanism and cutter swing and drive Motivation structure；

Cutter lifting guiding mechanism include guidance upright bar (5), fixed guidance upright bar (5) upright bar assembling stand (6) and by The cutter assembling stand (7) of the guide hole and guidance upright bar (5) cooperation that open up, cutter (3) are fixed on cutter assembling stand (7), and thirty years of age Bar assembling stand (6) is located at below conveyor belt (4)；

The cutter lift drive mechanism include lifting speed reducer for servo motor group (8) below conveyor belt (4) and Eccentric wheel mechanism；Eccentric wheel mechanism includes camshaft assembling stand (9), pivots the bias being set on camshaft assembling stand (9) Wheel shaft (10) and the eccentric wheel (11) being fixed on camshaft (10)；The output shaft of lifting speed reducer for servo motor group (8) It is sequentially connected via transmission mechanism and camshaft (10)；Cutter lift drive mechanism further includes driving arm mechanism, the mechanism packet Include longitudinally disposed actuating arm (12), the upper and lower end of actuating arm (12) pass through oscillating bearing (13) respectively with cutter assembling stand (7) it is flexibly connected with eccentric wheel (11)；

Cutter swing driving mechanism includes the swing servo drive and linear guides below conveyor belt (4) (14), linear guides (14) are arranged along the conveying direction of conveyor belt (4), by line between upright bar assembling stand (6) and rack (1) Property guide rail (14) be connected；It fixes or is integrally formed on upright bar assembling stand (6) and be drivingly connected plate (15), servo-drive is used in the swing The output end of device is connected with plate (15) are drivingly connected to drive cutter lifting guiding mechanism to move back and forth along linear guides (14).

2. the food infeed set-up according to claim 1 using underneath type knife drive mechanism, it is characterised in that described Swing is servo electric cylinders or servo cylinder with servo drive.

3. the food infeed set-up according to claim 2 using underneath type knife drive mechanism, it is characterised in that described Servo electric cylinders include swing speed reducer for servo motor group (16) and screw mechanism, and screw mechanism includes and swing servo motor The nut block (18) and be fixed on rack (1) that the connected screw rod (17) of the output shaft of deceleration unit (16) and screw rod (17) cooperate On to pivot the screw rod support plate (19) of assembly screw rod (17), nut block (18) and be drivingly connected plate (15) fixation or integrally set Meter.

4. the food infeed set-up according to claim 1 using underneath type knife drive mechanism, it is characterised in that described It is drivingly connected the guide sleeve (20) being integrally formed on plate (15) with guidance upright bar (5) cooperation.

5. the food infeed set-up according to claim 1 using underneath type knife drive mechanism, it is characterised in that described Transmission mechanism is gear drive perhaps synchronous belt drive mechanism or synchronous sprocket wheel transmission mechanism.

6. the food infeed set-up according to claim 5 using underneath type knife drive mechanism, it is characterised in that described The output shaft and camshaft (10) of lifting speed reducer for servo motor group (8) are arranged in parallel, and the gear drive includes Intermeshing driving and driven gear (21,22), wherein driving gear (21) is fixed on lifting speed reducer for servo motor group (8) Output shaft on, and driven gear (22) is then fixed on camshaft (10).

7. the food infeed set-up according to claim 1 or 2 or 3 or 4 or 5 or 6 using underneath type knife drive mechanism, It is characterized in that the guidance upright bar (5) is two, it is symmetrically disposed on the two sides of conveyor belt (4), corresponding upright bar assembling stand (6) and linear guides (14) are all symmetrically arranged two.

8. the food infeed set-up according to claim 1 or 2 or 3 or 4 or 5 or 6 using underneath type knife drive mechanism, It is characterized in that the eccentric wheel (11) in the eccentric wheel mechanism is co-axially fixed two, and the driving arm mechanism is to correspond to Two sets of two eccentric wheels (11) setting.

9. the food infeed set-up according to claim 1 or 2 or 3 or 4 or 5 or 6 using underneath type knife drive mechanism, It is characterized in that being fixed with the shield (23) above conveyor belt (4) on the rack (1), the shield (23) is at least Cover cutter assembling stand (7) and cutter (3) thereon.

10. the food infeed set-up according to claim 1 using underneath type knife drive mechanism, it is characterised in that described The fixed tray (24) being fixed on the rack (1), the fixed tray are equipped in the gap of two groups of conveyor belts (4) (24) it is located at below cutter (3)；The surface of two groups of conveyor belts (4) flushes, and the top of the fixed tray (24) It is flushed lower than 1 ~ 2mm of surface of two sides conveyor belt (4), or with the surface of two sides conveyor belt (4).