CN218527591U - Lettuce peeling auxiliary mechanism - Google Patents

Abstract

The utility model provides a lettuce peeling auxiliary mechanism, including square supporting shoe, the subassembly of peeling, set up a passageway of peeling in the middle part of square supporting shoe, all set up a cutter draw-in groove that link up with the passageway of peeling on four lateral walls of square supporting shoe, the subassembly of peeling includes fixture block, draw knife, gyro wheel, set up an inclined peeling passageway in the middle part of fixture block, the gyro wheel sets up the skin inlet department at the inclined peeling passageway, the draw knife sets up in the inclined peeling passageway along the incline direction of inclined peeling passageway, and reserve and leave the clearance of peeling between draw knife and the gyro wheel; a peeling component is arranged in each cutter clamping groove, and when the lettuce slowly passes through the peeling channel, a peeling knife on the peeling component can cut the surface layer of the lettuce. The auxiliary device can improve the lettuce peeling efficiency, reduce the labor intensity and improve the safety of peeling operation.

Description

Lettuce peeling auxiliary mechanism

Technical Field

The utility model belongs to the technical field of lettuce processing technique and specifically relates to an auxiliary mechanism is peeld to lettuce.

Background

Lettuce is a vegetable which is often eaten by people in daily life and is also an economic crop; in some areas, in order to increase the income of farmers, lettuce is often planted in large areas. Some lettuce deep processing plants need to remove the lettuce peel when processing the lettuce products, and some growers remove the lettuce peel and sell the lettuce peel to the lettuce processing plants in order to increase the selling price of the lettuce. At present, when lettuce is peeled again by lettuce processing factories or growers, manual operation is carried out by manually using a peeling knife, the manual peeling by using the peeling knife has low efficiency and high manual labor intensity, and certain personal safety risk exists when the lettuce is peeled by being held by hands in the peeling process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an complementary unit is peeld to lettuce utilizes this auxiliary device can improve the lettuce and peels efficiency, reduce intensity of labour, simultaneously, can improve the operation security of peeling.

The utility model provides a technical scheme that its technical problem adopted is: a lettuce peeling auxiliary mechanism comprises a square supporting block and a peeling assembly, wherein a peeling channel is arranged in the middle of the square supporting block, cutter clamping grooves communicated with the peeling channel are formed in four side walls of the square supporting block, the peeling assembly comprises a clamping block, a peeling knife and an idler wheel, an inclined peeling channel is arranged in the middle of the clamping block, the idler wheel is arranged at a peel inlet of the inclined peeling channel, the peeling knife is arranged in the inclined peeling channel along the inclined direction of the inclined peeling channel, and a peeling gap is reserved between the peeling knife and the idler wheel; the peeling assemblies are arranged in the cutter clamping grooves, and when the lettuce slowly passes through the peeling channels, peeling knives on the peeling assemblies can cut the surface layer of the lettuce.

Preferably, two sides of the peeling knife are clamped at the lower parts of the two first limiting plates of the peeling channel, countersunk threaded holes distributed along the normal direction of the plane of the peeling knife are formed in the clamping block, and jacking bolts used for jacking and fixing the peeling knife are sleeved in the countersunk threaded holes.

Preferably, two opposite side walls of the clamping block are respectively provided with a guide rail, the cutter clamping groove is provided with a sliding groove corresponding to the guide rail, an elastic jacking mechanism is used for jacking the clamping block in the cutter clamping groove, and under the jacking action of the elastic jacking mechanism, after the sliding groove realizes the movement limit of the guide rail, the outer side of the roller on the clamping block and the cutting end of the peeling knife are both positioned in the peeling channel.

Preferably, the elastic jacking mechanism comprises a first spring, a first pressing plate and a first adjusting bolt, the first pressing plate is arranged on the outer end face of the corresponding cutter clamping groove in a threaded connection mode, the first adjusting bolt is sleeved on the first pressing plate, the first spring is clamped on the tops of the clamping block and the first adjusting bolt, and the compression amount of the first spring can be adjusted by rotating the first adjusting bolt.

Further, the auxiliary mechanism also comprises a lettuce pushing mechanism which is used for slowly pushing the lettuce into the peeling channel.

Further, the lettuce push mechanism comprises an ejector rod, a driving gear, a guide pipe, a push handle and a direction adjusting mechanism, the guide pipe is fixedly connected with a supporting platform through a first support, the ejector rod is sleeved in the guide pipe, a rack distributed along the length direction of the ejector rod is arranged on the upper portion of the ejector rod, the driving gear is sleeved on a support shaft, the driving gear is meshed with the rack, the two ends of the support shaft are fixedly connected with the supporting platform through a second support, a U-shaped seat on the lower portion of the push handle is clamped on the support shaft, the U-shaped seat can freely rotate relative to the support shaft, the driving gear is located in the U-shaped seat, the adjusting mechanism comprises a square clamping seat, a sliding rod, a second spring and one-way shifting teeth, the square clamping seat is sleeved on an inclined plate arranged on the U-shaped seat, the sliding rod is sleeved in the square clamping seat, a first limiting ring is arranged at the lower end of the sliding rod, the second spring is sleeved on the sliding rod, the first limiting ring is clamped between the square clamping seat, the sliding rod is fixedly arranged at the front and back of the shifting teeth, and the second spring is fixedly arranged on the lower end of the sliding rod, and the shifting teeth, and the one-way shifting teeth are arranged on the lower end of the sliding rod, and the one-way shifting teeth are arranged on the one-way shifting teeth, and the one-way shifting teeth.

Furthermore, the square supporting block is fixedly connected with the supporting platform through a third support, the peeling channel and the ejector rod are distributed in a front-back opposite mode, and two diagonal lines of the square supporting block are respectively in a vertical placing state and a horizontal placing state.

Further, an arc-shaped lettuce placing plate is arranged between the square supporting block and the ejector rod and is fixedly connected with the supporting platform through a fourth support.

The beneficial effects of the utility model are that: the utility model has simple structure and convenient processing and manufacturing; when the device is used for peeling the lettuce, the lettuce is slowly pushed into the peeling channel by using the ejector rod, the peeling operation is realized in the process that the lettuce moves in the peeling channel, and the peeling operation can be completely finished by only passing through the peeling channel twice; compared with pure manual efficiency, the peeling efficiency is high, and the operation safety is high; during peeling, the rollers synchronously rotate along with the movement of the lettuce, and the lettuce skin in the inclined peel outlet channel has a certain friction pushing effect when the rollers rotate, so that the lettuce skin can slide in the inclined peel outlet channel conveniently, and peeling operation is facilitated; the peeling knife can move up and down along with the change of the diameter of the stem of the lettuce by utilizing the jacking action of the elastic jacking mechanism on the clamping block, thereby realizing smooth peeling operation; the paring knife is positioned by utilizing the jacking bolt, so that when the paring thickness needs to be changed, the position of the paring knife is adjusted, and the paring flexibility can be ensured; the combination of the push handle and the driving gear pushes the ejector rod to reciprocate by utilizing the lever principle, so that the working strength is low; the arc lettuce placing plate is utilized, so that the push rod can smoothly push the lettuce into the peeling channel, and the peeling convenience can be improved.

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 embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are part of the preferred embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the combination of a square support block and a peeling assembly;

FIG. 3 is a schematic view of a square support block;

fig. 4 is a schematic view of a first perspective of the peeling assembly;

fig. 5 is a schematic view of a second perspective of the peeling assembly;

fig. 6 is a longitudinal cross-sectional view of the peeling assembly;

FIG. 7 is a longitudinal cross-sectional view of the drive gear in combination with the adjustment mechanism;

FIG. 8 is an enlarged view taken at A in FIG. 1;

FIG. 9 is an enlarged view of FIG. 2 at B;

FIG. 10 is an enlarged view at C of FIG. 3;

FIG. 11 is an enlarged view of FIG. 7 at D;

in the figure: the device comprises a square supporting block 1, a peeling channel 11, a cutter clamping groove 12, a sliding groove 121, a first pressing plate 13, a first spring 14, a first adjusting bolt 15, a clamping block 21, an inclined peeling channel 211, a first limiting plate 2111, a peeling gap 2112, a guide rail 212, a countersunk threaded hole 213, a top pressing bolt 214, a peeling knife 22, a roller 23, a top rod 31, a rack 311, a driving gear 32, a guide pipe 33, a push handle 34, a U-shaped seat 341, a supporting shaft 35, an inclined plate 4, a square clamping seat 51, a second limiting plate 511, a sliding rod 52, a first limiting ring 521, a second limiting plate 522, a second spring 53, a unidirectional shifting tooth 54, a vertical surface 541, an inclined jumping tooth surface 542, a 6-arc lettuce placing plate 7, a supporting platform 101, a first bracket 102, a second bracket 103, a third bracket 104 and a fourth bracket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the following specific embodiments and accompanying drawings 1 to 11, and it is obvious that the described embodiments are only a part of the preferred embodiments of the present invention, and not all embodiments. Those skilled in the art can make similar variations without departing from the spirit of the present invention, and therefore the present invention is not limited by the specific embodiments disclosed below.

The utility model provides an auxiliary mechanism (as shown in figure 1) is peeld to lettuce, including square supporting shoe 1, the subassembly of peeling, set up a passageway 11 of peeling in the middle part of square supporting shoe 1, when carrying out lettuce peeling operation, lettuce passes in the passageway 11 of peeling, all set up one on four lateral walls of square supporting shoe 1 with the cutter draw-in groove 12 that the passageway 11 link up mutually peels, the subassembly of peeling includes fixture block 21, peeling knife 22, gyro wheel 23, set up an inclined peeling passageway 211 in the middle part of fixture block 21, in the process of peeling, the lettuce skin of being cut by peeling knife 22, along with the continuous removal of lettuce, the lettuce skin constantly removes the roll-off from inclined peeling passageway 211, gyro wheel 23 sets up the skin inlet department of inclined peeling passageway 211, peeling knife 22 sets up along the incline direction of inclined peeling passageway 211 in inclined peeling passageway 211, and leave a skin clearance 2112 in advance between peeling knife 22 and gyro wheel 23, the initiating terminal of lettuce skin gets into inclined peeling passageway 211 gradually from inclined peeling passageway 211; a peeling assembly is arranged in each knife clamping groove 12, and when the lettuce slowly passes through the peeling channel 11, the peeling knife 22 on the peeling assembly can cut the surface layer of the lettuce. Because four groups of peeling knives 22 which are symmetrically distributed in pairs are arranged in the peeling channel 11, the peeling operation of four sides of the lettuce can be realized when the lettuce moves in the peeling channel 11, and therefore, after the lettuce is subjected to one peeling operation, the lettuce is rotated by 90 degrees, and then the complete peeling of the lettuce can be realized after the one peeling operation is carried out. In the moving peeling process of the lettuce, in order to facilitate the movement of the lettuce to realize the rotating pushing of the roller 23, the outer side of the roller 23 can be made to be higher than the surface of the clamping block 21 by a certain height, and can be set to be higher than about 2-4mm, so that the lettuce is not clamped in surface contact but is in surface contact with the roller 23, the height of the cutting edge of the peeling knife 22 higher than the outer edge of the roller 23 determines the peeling thickness, in practical application, according to the thickness of the lettuce, the cutting edge of the peeling knife 22 can be made to be higher than the outer edge of the roller 23 by 3-5mm, in order to facilitate the position adjustment of the peeling knife 22, in this way, two sides of the peeling knife 22 are clamped under two first limiting plates 2111 of the inclined peeling channel 211, a countersunk head threaded hole 213 distributed along the normal plane direction of the peeling knife 22 is arranged on the clamping block 21, a jacking bolt 214 for jacking and fixing the peeling knife 22 is sleeved in the countersunk threaded hole 213, and when the position of the jacking bolt 22 needs to be adjusted, the jacking bolt 214 can be firstly loosened, and then the paring knife 22 can be used for tightly adjusting the peeling knife 22.

Because the stem diameter of the lettuce belongs to the cone shape with the thin front end and the thick rear end, in order to facilitate that the four peeling knives 22 can move along with the change of the stem diameter of the lettuce when peeling the lettuce, so as to ensure that the peeling thickness of the lettuce in the whole length direction is basically consistent, a guide rail 212 is arranged on each of two opposite side walls of the fixture block 21, a sliding groove 121 corresponding to the guide rail is arranged on the knife clamping groove 12, and an elastic pressing mechanism is used for pressing the fixture block 21 in the knife clamping groove 12, under the pressing action of the elastic pressing mechanism, after the sliding groove 121 achieves the movement limit of the guide rail 212 (i.e. the sliding groove 121 does not vertically penetrate through the side walls of the knife clamping groove 12, as shown in fig. 11), the outer side of the roller 23 on the fixture block 21 and the cutting ends of the peeling knives 22 are both located in the peeling channel 11, that at this time, the relative distance between the four peeling knives 22 is the minimum, so as to facilitate the peeling of the thin lettuce, and as the lettuce becomes thicker gradually, the peeling knives 22 gradually move upwards under the push of the lettuce, so that the lettuce, the peeling thickness of the lettuce is gradually changed, and the lettuce heads of the lettuce can not be gradually changed, thereby ensuring that the peeling quality of the lettuce can be gradually increased.

In the above embodiment, the specific implementation manner of the elastic pressing mechanism is as follows: the elastic jacking mechanism comprises a first spring 15, a first pressing plate 13 and a first adjusting bolt 14, wherein the first pressing plate 13 is arranged on the outer end face of the corresponding cutter clamping groove 12 in a threaded connection mode, namely two threaded holes are formed in the outer end face of the cutter clamping groove 12, two through holes corresponding to the threaded holes are formed in two ends of the first pressing plate 13, the first pressing plate 13 is screwed in the threaded holes by penetrating through the through holes through bolts, so that the outer end face of the cutter clamping groove 12 is fixed by the first pressing plate 13, the first adjusting bolt 14 is sleeved on the first pressing plate 13, the first spring 15 is clamped at the tops of the fixture block 21 and the first adjusting bolt 14, the compression amount of the first spring 15 can be adjusted by rotating the first adjusting bolt 14, when the first spring 15 pressed by the first adjusting bolt 14 is more, the elastic force exerted on the fixture block 21 by the first spring 15 is larger, and the fixture block 21 is more difficult to jack up by the lettuce; when the first spring 15 pressed by the first adjusting bolt 14 is small, the elastic force applied to the fixture block 21 by the first spring 15 is small, so that the fixture block 21 is less easy to jack up by the lettuce.

In order to facilitate the lettuce to enter the peeling channel 11 smoothly, the lettuce pushing mechanism is a straight reciprocating mechanism such as a cylinder and an electric push rod, and the lettuce pushing mechanism can be a purely mechanical straight reciprocating mechanism adopting manual assistance for pushing the lettuce into the peeling channel 11, in particular, the lettuce pushing mechanism comprises a push rod 31, a driving gear 32, a guide pipe 33, a push handle 34 and a direction adjusting mechanism, the guide pipe 33 is fixedly connected with a supporting platform 7 by a first bracket 101, the push rod 31 is sleeved in the guide pipe 33, the push rod 31 can slide freely in the guide pipe 33, a rack 311 distributed along the length direction of the push rod 31 is arranged at the upper part of the push rod 31, the driving gear 32 is sleeved on a supporting shaft 35, the driving gear 32 is meshed with the rack 311, two ends of the supporting shaft 35 are fixedly connected with the supporting platform 7 through the second bracket 102, the driving gear 32 can freely rotate on the supporting shaft 35, the rotating driving gear 32 can drive the push rod 31 to slide in the guide pipe 33 in a reciprocating manner, when the push rod 31 pushes the lettuce to move towards the peeling channel 11, the lettuce can be pushed to enter the peeling channel 11, the U-shaped seat 341 at the lower part of the push handle 34 is clamped on the supporting shaft 35, the U-shaped seat 341 can freely rotate relative to the supporting shaft 35, the driving gear 32 is positioned in the U-shaped seat 341, the adjusting mechanism comprises a square clamping seat 51, a sliding rod 52, a second spring 53 and a unidirectional shifting tooth 54, the square clamping seat 51 is sleeved on an inclined plate 4 arranged on the U-shaped seat 341, specifically, a square through groove is formed in the inclined plate 4, the square clamping seat 51 is clamped in the square through groove, the square clamping seat 51 is limited to move downwards in the square through groove by a second limiting plate 511 arranged on the outer side of the square clamping seat 51, and the square clamping seat 51 can be pulled out of the square through groove manually, so that the square clamping seat 51 can be placed in a turning manner; the sliding rod 52 is slidably sleeved in the square clamping seat 51, a first limit ring 521 is arranged at the lower end of the sliding rod 52, a second limit plate 522 which blocks the sliding rod 52 from sliding out of the square clamping seat 51 is arranged at the upper part of the sliding rod 52, the second spring 53 is sleeved on the sliding rod 52, the second spring 53 is clamped between the first limit ring 521 and the bottom of the square clamping seat 51, the second limit plate 522 is arranged at the upper part of the square clamping seat 51 in an overhead manner by the pushing action of the second spring 53, the one-way shifting tooth 54 is fixedly arranged at the bottom of the sliding rod 52, the one-way shifting tooth 54 can be clamped in the tooth groove of the driving gear 32 under the pushing action of the second spring 53, and the one-way shifting tooth 54 comprises a vertical driving surface 541 and an inclined jumping tooth surface 542 which are oppositely distributed in the front and back, when the pushing handle 34 is pushed to rotate around the supporting shaft 35, the one-way shifting gear 54 and the pushing handle 34 synchronously swing, after the rotating vertical driving surface 541 is contacted with the gear tooth surface of the driving gear 32, the vertical driving surface 541 can push the driving gear 32 to rotate because the vertical driving surface 541 and the gear tooth surface cannot relatively move up and down, and after the rotating inclined jumping tooth surface 542 is contacted with the gear tooth surface of the driving gear 32, because the surface of the inclined jumping tooth surface 542 has a certain inclination angle, when the gear tooth is pushed by the one-way shifting gear, the inclined jumping tooth surface 542 can move upwards relative to the gear tooth due to the blocking effect of the gear tooth in the rotating process because of the guiding effect of the inclined surface of the inclined jumping tooth surface 542, so that the rotating driving of the driving gear 32 cannot be realized. In order to facilitate manual reciprocating swing of the push handle 34 to realize continuous forward movement of the push rod 31 towards the peeling passage 11, the vertical driving surface 541 needs to be contacted with the gear teeth of the driving gear 32 in the process that the push handle 34 swings towards the direction far away from the peeling passage 11, in such a state, when the push handle 34 swings towards the direction close to the peeling passage 11, the driving gear cannot be pushed to rotate due to the inclined jumping tooth surface 42, so that intermittent movement of the push rod 31 towards the peeling passage 11 can be realized by repeatedly and reciprocally swinging the push handle 34, and the lettuce is pushed into the peeling passage in the moving process of the push rod 31; when the push rod 31 needs to be withdrawn to the initial working position, the square clamping seat 51 is firstly pulled out from the inclined plate 4, then the push rod is clamped in the square clamping seat 51 after being turned for 180 degrees, in this state, when the push handle 34 swings towards the direction close to the peeling passage 11, the vertical driving surface 541 can drive the driving gear 32 to rotate, so that the push rod 31 moves towards the direction far away from the peeling passage 11, and when the push handle 34 swings towards the direction far away from the peeling passage 11, the inclined jump tooth surface 42 cannot push the driving gear 32 to rotate, so that the push rod 31 cannot move towards the direction close to the peeling passage 11, and the push rod 31 is returned to the initial working position by repeatedly swinging the push handle 34.

In order to facilitate the push rod 31 to smoothly push the lettuce into the peeling channel 11, the square supporting block 1 is fixedly connected with the supporting platform 7 through the third support 103, the peeling channel 11 and the push rod 31 are distributed in a front-back opposite manner, two diagonal lines of the square supporting block 1 are respectively in a vertical placing state and a horizontal placing state, further, in order to facilitate the placing of the lettuce, an arc-shaped lettuce placing plate 6 is arranged between the square supporting block 1 and the push rod 31, and the arc-shaped lettuce placing plate 6 is fixedly connected with the supporting platform 7 through the fourth support 104.

During peeling operation, the lettuce is placed on the arc-shaped lettuce placing plate 6, then the push handle 34 is pushed in a reciprocating mode to enable the push rod 31 to intermittently move relative to the lettuce, the lettuce slowly enters the peeling channel 11 along with continuous movement of the push rod 31, the lettuce is peeled by the peeling knife 22 in the peeling channel 11 in the sliding process, when the root of the lettuce is very close to the peeling knife 22, the lettuce is pulled out from the peeling channel 11 along the advancing direction of the lettuce, peeling of the lettuce is achieved for the first time, then the square clamping seat 51 is manually pulled out from the inclined plate 4, the lettuce is turned for 180 degrees and then installed on the inclined plate 4 again, at the moment, the push handle 34 is swung in a reciprocating mode to achieve retracting action of the push rod 31, after the push rod 31 returns to the initial position, the lettuce is rotated for 90 degrees and then placed on the arc-shaped lettuce placing plate 6, and then, the second time of operation is repeated, and therefore complete peeling operation of the lettuce is achieved.

In the present invention, "upper" and "lower" are relative positions used for convenience of describing positional relationships, and therefore cannot be interpreted as absolute positions as limitations to the scope of protection.

In addition to the technical features described in the specification, the technology is known to those skilled in the art.

The above description is provided for the preferred embodiments and examples of the present invention with reference to the accompanying drawings, but the present invention is not limited to the above embodiments and examples, and it will be apparent to those skilled in the art that various modifications and variations can be made without departing from the spirit of the present invention, and these modifications and variations should be construed as the protection scope of the present invention.

Claims (8)

1. A lettuce peeling auxiliary mechanism is characterized by comprising a square supporting block and a peeling assembly, wherein a peeling channel is arranged in the middle of the square supporting block, cutter clamping grooves communicated with the peeling channel are formed in four side walls of the square supporting block, the peeling assembly comprises a clamping block, a peeling knife and a roller, an inclined peeling channel is arranged in the middle of the clamping block, the roller is arranged at a peel inlet of the inclined peeling channel, the peeling knife is arranged in the inclined peeling channel along the inclined direction of the inclined peeling channel, and a peeling gap is reserved between the peeling knife and the roller; the peeling assemblies are arranged in the cutter clamping grooves, and when the lettuce slowly passes through the peeling channels, peeling knives on the peeling assemblies can cut the surface layer of the lettuce.

2. The lettuce peeling auxiliary mechanism as claimed in claim 1, wherein the peeling knife is clamped at two sides under two first limiting plates of the inclined peeling channel, the fixture block is provided with a countersunk threaded hole distributed along a normal direction of the plane of the peeling knife, and a pressing bolt for pressing and fixing the peeling knife is arranged in the countersunk threaded hole.

3. The lettuce peeling auxiliary mechanism as claimed in claim 2, wherein a guide rail is provided on each of two opposite side walls of the fixture block, a sliding groove corresponding to the guide rail is provided on the cutter clamping groove, an elastic pressing mechanism is used for pressing the fixture block against the cutter clamping groove, and under the pressing action of the elastic pressing mechanism, when the sliding groove achieves the movement limit of the guide rail, the outer side of the roller on the fixture block and the cutting end of the peeling knife are both located in the peeling channel.

4. The lettuce peeling auxiliary mechanism as claimed in claim 3, wherein the elastic pressing mechanism comprises a first spring, a first pressing plate and a first adjusting bolt, the first pressing plate is disposed on the outer end face of the corresponding cutter clamping groove in a threaded connection manner, the first adjusting bolt is sleeved on the first pressing plate, the first spring is clamped on the top of the clamping block and the first adjusting bolt, and the adjustment of the compression amount of the first spring can be realized by rotating the first adjusting bolt.

5. The lettuce peeling aid as claimed in claim 1, further comprising a lettuce pushing mechanism for slowly pushing the lettuce into the peeling path.

6. The lettuce peeling auxiliary mechanism as claimed in claim 5, wherein the lettuce pushing mechanism comprises a push rod, a driving gear, a guide tube, a push handle and a direction adjusting mechanism, the guide tube is fixedly connected with a supporting platform by a first support, the push rod is sleeved in the guide tube, a rack distributed along the length direction of the push rod is arranged at the upper part of the push rod, the driving gear is sleeved on a support shaft and meshed with the rack, two ends of the support shaft are fixedly connected with the supporting platform by a second support, a U-shaped seat at the lower part of the push handle is clamped on the support shaft and can freely rotate relative to the support shaft, the driving gear is located in the U-shaped seat, the direction adjusting mechanism comprises a square clamping seat, a sliding rod, a second spring and unidirectional shifting teeth, the square clamping seat is sleeved on an inclined plate arranged on the U-shaped seat, the sliding rod is sleeved in the square clamping seat, a first limiting ring is arranged at the lower end of the sliding rod, the second spring is sleeved on the sliding rod, the second spring is arranged on a second tooth socket, the sliding rod is fixedly arranged on the second tooth surface of the second spring, and the vertical shifting teeth are arranged on the bottom of the second spring, and the sliding rod is directly driven gear.

7. The lettuce peeling auxiliary mechanism as claimed in claim 6, wherein the square support block is fixedly connected to the support platform through a third bracket, the peeling channel and the top bar are arranged in a front-back opposite manner, and two diagonal lines of the square support block are respectively in a vertical arrangement state and a horizontal arrangement state.

8. The lettuce peeling auxiliary mechanism as claimed in claim 7, wherein an arc lettuce placing plate is arranged between the square support block and the ejector rod, and the arc lettuce placing plate is fixedly connected with the support platform through a fourth bracket.

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