CN113459178B - Strip-column-shaped fruit and vegetable head and tail cutting device and cutting method - Google Patents
Strip-column-shaped fruit and vegetable head and tail cutting device and cutting method Download PDFInfo
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- CN113459178B CN113459178B CN202110735516.0A CN202110735516A CN113459178B CN 113459178 B CN113459178 B CN 113459178B CN 202110735516 A CN202110735516 A CN 202110735516A CN 113459178 B CN113459178 B CN 113459178B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/02—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a stationary cutting member
- B26D1/03—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a stationary cutting member with a plurality of cutting members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
- B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/01—Means for holding or positioning work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/06—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/27—Means for performing other operations combined with cutting
- B26D7/28—Means for performing other operations combined with cutting for counting the number of cuts or measuring cut lenghts
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- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
Abstract
The invention belongs to the technical field of agricultural product processing equipment, and relates to a strip column-shaped fruit and vegetable head and tail cutting device and a cutting method, wherein the device comprises the following components: a mechanical device part, a machine vision part and an automatic control part; the method is briefly described as follows: the machine vision part collects images of the columnar fruits and vegetables, and adjusts the mechanical device part through the automatic control part to finally finish head and tail removal of the columnar fruits and vegetables. The invention can effectively cut off the residual leaf and stem of the columnar fruit and vegetable, and realize accurate and efficient head-tail cutting; the structure is reasonable and simple, the operation is simple, the safety and the noise are low, no environmental pollution is caused, and the cutting length is adjustable when the heads and the tails of fruits and vegetables are cut off; the positioning device positioned at the head and tail cutting part of the fruits and vegetables is slotted, the leaves and stems of the fruits and vegetables which are not completely processed pass through the positioning device and are cut off by a follow-up mechanism, so that the positioning precision is ensured, the residual leaves and stems can be efficiently cut off, the head and tail accurate cutting is realized, the problems of low efficiency and waste in the traditional fruit and vegetable processing are overcome, the economic benefit is improved, and the popularization and application values are realized.
Description
Technical Field
The invention belongs to the technical field of agricultural product processing equipment, and relates to a head and tail cutting device and a cutting method for columnar fruits and vegetables.
Background
Some columnar fruits and vegetables, such as carrots, chinese yam, towel gourd and the like, are popular among the public because of the advantages of fresh and sweet taste, rich nutrition, low price and the like; however, the head and tail parts of the fruits and vegetables often have leaves and stems left after being completely untreated, and the pulp of the head and tail parts is usually inedible or poor in edible taste, and the head and tail parts of the fruits and vegetables are accurately cut off and the leaves and stems are cut off, so that the efficiency and profit of fruit and vegetable production and processing enterprises are improved, waste is reduced, and resources are saved. And the traditional manual excision mode is adopted, so that time and labor are wasted, and certain dangers are caused.
The machine vision provides an efficient, real-time and low-cost fruit and vegetable on-line detection method, adopts the machine vision to carry out on-line recognition on the heads and the tails of the fruits and vegetables, can save labor force, improve recognition accuracy, ensure the accuracy of head and tail cutting of the fruits and vegetables, reduce production cost for fruit and vegetable processing enterprises, and improve industry competitiveness.
At present, a large number of devices such as fruit and vegetable cutting, slicing and shredding appear at home and abroad, but the existing fruit and vegetable head and tail removing device does not consider the removal of residual leaf stalks of the fruit and vegetable which are not completely treated at the head and the tail, and can not meet the precision requirement of the head and the tail of the fruit and vegetable, and resource waste is easily caused. Therefore, a device for cutting off the leaf and stem and accurately cutting off the head and the tail of the fruit and vegetable needs to be developed according to the characteristics of the cylindrical fruit and vegetable and market needs.
At present, some fruit and vegetable peeling, shredding, dicing and grading equipment are sequentially arranged in China. And some fruit and vegetable processing enterprises cut fruits and vegetables into blocks with uniform sizes by adopting mechanical modes such as a conveying belt, a net-shaped steel wire knife and the like according to market demands, and directly pack and shape, but the residual leaf and stem which is not completely treated at the head and tail parts of the fruits and vegetables are not considered, and the accurate cutting of the head and tail parts of the fruits and vegetables can not be realized according to the sizes of the inedible parts or the poor taste parts of the head and tail parts of the fruits and vegetables, so that the working efficiency is still to be further improved. Some domestic equipment utilizes a machine vision technology to realize on-line identification of fruit and vegetable quality or defects, and can separate target fruits and vegetables to be treated, but mechanical equipment for further treatment is absent. The invention utilizes the machine vision technology and the chain plate type conveying mechanism to realize the processing of the strip-shaped columnar fruit and vegetable leaf stems and the precise and efficient cutting of the heads and the tails of the fruits and vegetables.
Disclosure of Invention
In order to solve the problems existing in the prior art, the invention provides the following technical scheme:
a strip column fruit and vegetable head and tail cutting device, comprising: a mechanical device part, a machine vision part and an automatic control part;
the mechanical device section includes: the chain plate conveying mechanism, the positioning mechanism, the plurality of poking finger mechanisms, the head and tail cutting mechanism, the frame and the bottom plate 208;
The link plate conveying mechanism includes: the driving chain comprises a motor 204, a driving shaft, a driven shaft, a plurality of chain plates 201, two chains 202, two driving chain wheels 203 and two driven chain wheels;
the driving shaft and the driven shaft are arranged in parallel and are respectively arranged at the rear end and the front end of the upper part of the rack;
a driving sprocket 203 is fixedly arranged at two ends of the driving shaft respectively;
two ends of the driven shaft are respectively fixedly provided with a driven sprocket;
The motor 204 is connected with the left driving sprocket 203 through chain transmission;
the driving sprocket 203 positioned at the left side is connected with the driven sprocket positioned at the left side through a chain 202 to form a group of left meshing transmission; the driving sprocket 203 positioned on the right side and the driven sprocket positioned on the right side are also connected through a chain 202 to form a group of right meshing transmission;
a plurality of chain plates 201 are fixedly arranged between the two chains 202 at intervals;
the bottom plate 208 is positioned below the plurality of chain plates 201 and is arranged on the frame;
The plurality of chain plates 201 move along with the chain 202 from front to back, so that the columnar fruits and vegetables placed between the plurality of chain plates 201 are pushed to roll or slide from front to back;
The head-to-tail cutting mechanism comprises: a head cutting portion 207, a tail cutting portion 205, and a secondary cutting portion 209;
The tail cutting part 205, the head cutting part 207 and the secondary cutting part 209 have the same structure and are sequentially arranged at intervals along the movement direction of the plurality of chain plates 201;
The head cutting portion 207 and the secondary cutting portion 209 are both located on the right side of the several link plate advancing directions, and the tail cutting portion 205 is located on the left side of the several link plate advancing directions;
the positioning mechanism comprises: a first positioning belt 303, a second positioning belt 305, a third positioning belt 211, and three positioning devices 210;
the three positioning devices 210 are respectively positioned in front of the head cutting part 207, the secondary cutting part 209 and the tail cutting part 205, and the three positioning devices 210 are arranged on the bottom plate 208 and are respectively positioned on the same side with the corresponding head cutting part 207, the secondary cutting part 209 and the tail cutting part 205, wherein, only the middle of the positioning device 210 which is close to the front of the head cutting part 207 is slotted for the residual leaf stalks of the columnar fruits and vegetables to pass through;
The first positioning belt 303, the second positioning belt 305 and the third positioning belt 211 are also sequentially arranged at intervals along the moving direction of the plurality of link plates 201, and the first positioning belt 303 is positioned in front of the tail cutting portion 205, and the first positioning belt 303 is juxtaposed with the positioning device 210 positioned in front of the tail cutting portion 205; a second positioning belt 305 is positioned in front of head cutting portion 207, second positioning belt 305 being juxtaposed to positioning device 210 positioned in front of head cutting portion 207; the third positioning belt 211 is positioned in front of the secondary cutting portion 209, and the third positioning belt 211 is juxtaposed with the positioning device 210 positioned in front of the secondary cutting portion 209;
The first positioning belt 303, the second positioning belt 305, and the third positioning belt 211 are equal in height to the bottom plate 208;
slotting on the base plate 208 at positions corresponding to the first positioning belt 303, the second positioning belt 305 and the third positioning belt 211 so as to pass through the first positioning belt 303, the second positioning belt 305 and the third positioning belt 211 respectively;
the movement directions of the first positioning belt 303, the second positioning belt 305 and the third positioning belt 211 are perpendicular to the movement directions of the plurality of link plates 201;
when the strip columnar fruits and vegetables move onto the first positioning belt 303 under the pushing action of the chain plate 201, the strip columnar fruits and vegetables with the heads and tails facing the same direction are conveyed towards the tail parts of the strip columnar fruits and vegetables under the action of the first positioning belt 303 until the tail parts of the strip columnar fruits and vegetables are propped against the side edges of the positioning device 210;
when the strip-shaped cylindrical fruits and vegetables move onto the second positioning belt 305 under the pushing action of the chain plate 201, the strip-shaped cylindrical fruits and vegetables with the consistent head and tail directions are conveyed towards the head of the strip-shaped cylindrical fruits and vegetables under the action of the second positioning belt 305 until the head of the strip-shaped cylindrical fruits and vegetables is propped against the side edge of the positioning device 210;
when the strip-shaped cylindrical fruits and vegetables move onto the third positioning belt 211 under the pushing action of the chain plate 201, the strip-shaped cylindrical fruits and vegetables with the consistent head and tail directions are conveyed towards the head of the strip-shaped cylindrical fruits and vegetables under the action of the third positioning belt 211 until the head of the strip-shaped cylindrical fruits and vegetables is propped against the side edge of the positioning device 210;
the positioning device 210 includes: trapezoidal lead screw 601, positioner 602, coupling 603, bearing pedestal 604, base two 605, slider 606 and servo motor 607;
The trapezoidal screw 601 is mounted on the frame through a bearing seat 604;
one end of the trapezoidal screw 601 is connected with a servo motor 607 through a coupler 603;
The slide block 606 is mounted on the trapezoidal screw 601 and can move on the trapezoidal screw 601 along with the rotation of the trapezoidal screw 601;
a positioner 602 is fixedly mounted above the slider 606;
the head of the bar-shaped fruit and vegetable is abutted against the side edge of the positioner 602 of the positioning device 210 near the front of the head cutting part 207, so as to position the bar-shaped fruit and vegetable;
the tail of the strip-shaped fruit and vegetable is abutted against the side edge of the positioner 602 of the positioning device 210 near the front of the tail cutting part 205, so as to position the strip-shaped fruit and vegetable;
the head of the strip-shaped fruit and vegetable is abutted against the side edge of the positioner 602 of the positioning device 210 near the front of the secondary cutting part 209 to position the strip-shaped fruit and vegetable;
The head cutting portion 209, tail cutting portion 208, and secondary cutting portion 210 each include: the cutter holder 502 and the cutter 501 are connected with the rack through bolts, the cutter 501 is fixed on the cutter holder 502, and the distance between the cutting edge of the cutter 501 and the side edge of the locator 602 is the head-tail cutting range of the columnar fruits and vegetables;
each finger mechanism includes: the dial 302, the base transverse shaft 401, the base one 402 and the torsion spring 403;
The first base 402 is connected with the frame through bolts;
one end of the base transverse shaft 401 is fixedly arranged on the base I402;
The lower end of the poking finger 302 is sleeved at the other end of the base transverse shaft 401, and the poking finger 302 can rotate around the base transverse shaft 401;
a torsion spring 403 is sleeved on the base transverse shaft 401;
One end of the torsion spring 403 is fixedly connected with the first base 402; the other end of the torsion spring 403 is fixedly connected with the lower end of the poking finger 302;
a front row of finger shifting mechanisms are arranged at the front edge of the cutting edge of the cutter 501;
A rear row of the poking finger mechanisms are arranged in parallel at a certain distance from the front row of the poking finger mechanisms, and do not interfere with each other in the rotating process of the poking finger 302;
Tooth grooves corresponding to the positions of the plurality of poking fingers 302 are arranged on the plurality of chain plates 201;
a plurality of finger grooves corresponding to the positions of the plurality of fingers 302 are arranged on the bottom plate 208;
the front row of poking finger mechanisms and the rear row of poking finger mechanisms comprise: a plurality of finger-pulling mechanisms;
When the columnar fruits and vegetables do not move to the positions of the front rows of a plurality of poking finger mechanisms, the front rows and the rear rows of a plurality of poking fingers 302 are perpendicular to the bottom plate 205 under the action of the torsion springs 403; when the strip-shaped cylindrical fruits and vegetables are moved to be in contact with the plurality of front-row poking fingers 302 under the pushing action of the chain plate 201, the plurality of front-row poking fingers 302 respectively and independently move under the pushing action of the strip-shaped cylindrical fruits and vegetables, a certain supporting force is respectively applied to the strip-shaped cylindrical fruits and vegetables, and in the process of cutting heads and tails of the strip-shaped cylindrical fruits and vegetables by the cutting knife 501, the plurality of front-row poking fingers 302 rotate around the base transverse shaft 401 under the pushing action of the strip-shaped cylindrical fruits and vegetables until moving into poking finger grooves on the bottom plate 205;
the front rows of fingers 302 pass through the tooth slots of the forward moving link plate 201;
After the columnar fruits and vegetables are separated from the plurality of fingers 302 of the front row of finger mechanisms, the columnar fruits and vegetables just contact with the plurality of fingers 302 of the rear row of finger mechanisms; under the action of the forward pushing force of the strip-shaped cylindrical fruits and vegetables, the plurality of poking fingers 302 at the rear row independently move and respectively apply a certain supporting force to the strip-shaped cylindrical fruits and vegetables, and in the process that the cutting knife 501 cuts the heads and the tails of the strip-shaped cylindrical fruits and vegetables, the plurality of poking fingers 302 at the rear row rotate around the transverse shaft 401 of the base under the action of the forward pushing force of the strip-shaped cylindrical fruits and vegetables until moving into poking finger grooves on the base plate 205;
the rear rows of fingers 302 pass through the tooth slots of the forward moving link plate 201;
the machine vision portion includes: a camera 206 and a computer,
The camera 206 is arranged above the front end of the rack, and the camera 206 is connected with a computer;
The camera 206 collects head images of the bar-shaped fruits and vegetables, the head images are transmitted to the computer, and then the computer identifies the size of the part to be cut of the bar-shaped fruits and vegetables through an image processing method, so that the complete cutting of the part with poor taste of the bar-shaped fruits and vegetables is realized;
the automatic control part is connected with the third positioning belt 211, the servo motor 607 and the computer;
the operation of the servo motor 607 is controlled by the automatic control section by an instruction of a computer; and the automatic control portion controls the movement of the third positioning belt 211 by an instruction of a computer.
On the basis of the above technical solution, the first positioning belt 303, the second positioning belt 305 and the third positioning belt 211 are driven by a first motor located in the belt roller, wherein the first motor driving the third positioning belt 211 is connected with the automatic control part;
the operation of the motor one of the third positioning belt 211 is controlled by the computer through the automatic control part;
The first positioning belt 303 and the second positioning belt 305 are in continuous motion.
On the basis of the technical proposal, when the head of the columnar fruit and vegetable leaves the residual leaf stalk which is not completely processed, the middle of the side edge of the positioning device 602 of the positioning device 210 near the front of the head cutting part 207 is grooved;
the residual stalks pass into the grooves of the locator 602, and the pulp located at the periphery of the residual stalks abuts against the side edges of the locator 602.
On the basis of the above technical solution, when only the leaf stalks of the cylindrical fruits and vegetables need to be cut off, the lateral distance between the side edge of the locator 602 of the locating device 210 near the front of the head cutting portion 207 and the cutter 501 is adjusted until the cutter 501 is flush with the side edge of the locator 602.
On the basis of the above technical scheme, when the head and the tail of the columnar fruits and vegetables need to be precisely cut, the transverse distance between the side edge of the locator 602 and the cutting knife 501 is adjusted according to the size of the part to be cut of the head and the tail of the columnar fruits and vegetables, so that the head and the tail of the columnar fruits and vegetables can be precisely cut.
On the basis of the technical scheme, the head and tail cutting device for the columnar fruits and vegetables further comprises: a chute 504 and a collection box;
a material leakage groove 504 is arranged on the frame below each cutting knife 501, and the collection box is arranged on the frame below the material leakage groove 504;
The material leakage groove 504 is used for: the head and tail scraps of the columnar fruits and vegetables cut by the cutting knife 501 are received and leaked into a collecting box.
On the basis of the above technical solution, the plurality of link plates 201 are arranged at equal intervals along the movement direction of the link plates 201.
On the basis of the technical scheme, the strip-shaped columnar fruits and vegetables comprise: carrot 301.
The method for cutting the head and the tail of the columnar fruits and vegetables by using the head and the tail cutting device of the columnar fruits and vegetables comprises the following steps:
S1, setting a transverse distance between the side edge of the positioner 602 of the positioning device 210 near the front of the tail cutting part 205 and the cutting knife 501, setting a transverse distance between the side edge of the positioner 602 of the positioning device 210 near the front of the head cutting part 207 and the cutting knife 501, and setting a transverse distance between the side edge of the positioner 602 of the positioning device 210 near the front of the secondary cutting part 209 and the cutting knife 501 according to the operation requirement;
the job requirements refer to: the head and tail of the columnar fruits and vegetables are cut off;
s2, uniformly placing the heads and the tails of the strip-shaped cylindrical fruits and vegetables among the chain plates 201, so that the heads of the strip-shaped cylindrical fruits and vegetables face one side of the head cutting part 207;
S3, a plurality of chain plates 201 push the bar-shaped fruits and vegetables to move from front to back, and a camera 206 of a machine vision detection part collects head images of the bar-shaped fruits and vegetables and transmits the head images to a computer; the computer identifies the range of the part of the columnar fruit and vegetable head to be cut, which has bad edible taste, and judges the following:
① When the head of the columnar fruit and vegetable does not have a part with poor edible taste, the computer controls the third positioning belt 211 to be static through the automatic control part, and steps S4-S5 and S8 are sequentially carried out;
② When the head of the bar-shaped fruit and vegetable has an edible bad taste and the length of the edible bad taste does not exceed the maximum transverse distance between the side edge of the positioner 602 of the positioning device in front of the head cutting part 207 and the cutting knife 501, the computer controls the third positioning belt 211 to be static through the automatic control part, and steps S4-S5 and S8 are sequentially carried out;
③ Steps S4 to S6 are sequentially performed when there is an edible bad taste portion of the strip-shaped fruit and vegetable head, and the length of the edible bad taste portion exceeds the maximum lateral distance between the side of the locator 602 of the locating device in front of the head cutting portion 207 and the cutter 501, and when there is an edible bad taste portion of the strip-shaped fruit and vegetable head, and the range of the edible bad taste portion exceeds the sum of the head cutting range and the lateral distance range between the side of the locator 602 of the locating device 210 in front of the secondary cutting portion 209 and the cutter 501;
④ Steps S4-S5, S7 are sequentially performed when there is an edible bad taste portion of the strip-shaped fruit and vegetable head, and the length of the edible bad taste portion exceeds the maximum lateral distance between the side of the locator 602 of the locating device in front of the head cutting portion 207 and the cutter 501, and when there is an edible bad taste portion of the strip-shaped fruit and vegetable head, the range of which does not exceed the sum of the cutting range of the head and the lateral distance between the side of the locator 602 of the locating device 210 in front of the secondary cutting portion 209 and the cutter 501;
The head cutting range is as follows: the maximum lateral distance between the side of the locator 602 of the locating device in front of the head cutting portion 207 and the cutting blade 501;
S4, along with the movement of the chain plate 201, when the strip-shaped cylindrical fruits and vegetables move onto the first positioning belt 303, the first positioning belt 303 drives the strip-shaped cylindrical fruits and vegetables to move until the tail parts of the strip-shaped cylindrical fruits and vegetables are abutted against the side edges of the positioner 602, and the tail parts of the strip-shaped cylindrical fruits and vegetables are cut off by the cutting knife 501 of the tail part cutting part 208;
s5, along with the continuous movement of the chain plate 201, when the bar-shaped fruit and vegetable moves onto the second positioning belt 305, the second positioning belt 305 drives the bar-shaped fruit and vegetable to move until the head of the bar-shaped fruit and vegetable abuts against the side edge of the positioner 602, and the cutting knife 501 of the head cutting part 209 cuts off the head to be cut of the head of the bar-shaped fruit and vegetable;
S6, adjusting and expanding the transverse distance between the side edge of the positioner 602 of the positioning device 210 close to the front of the secondary cutting part 209 and the cutting knife 501 so that the cutting knife 501 cuts off the part of the cylindrical fruit and vegetable to be cut, which has poor edible taste; then, the computer controls the third positioning belt 211 to be started through the automatic control part; the cutting knife 501 cuts off the part of the bar-shaped fruit and vegetable with poor edible taste to be cut, and step S8 is performed;
s7, when the range of the part of the head of the columnar fruit and vegetable with poor edible taste is not more than the transverse distance between the side edge of the positioner 602 of the positioning device 210 in front of the secondary cutting part 209 and the cutting knife 501, the computer controls the third positioning belt 211 to start through the automatic control part; the cutting knife 501 cuts off the part of the bar-shaped fruit and vegetable with poor edible taste to be cut, and step S8 is performed;
s8, cutting off the heads and the tails of the columnar fruits and vegetables.
The beneficial technical effects of the invention are as follows:
The invention has the advantages that: can effectively cut off the residual leaf and stem of the columnar fruits and vegetables and realize the precise and efficient cutting off of the heads and the tails of the fruits and vegetables. The device is simple to operate, safe, low in noise and free of any environmental pollution. According to the technical scheme, when the head and tail cutting device for the columnar fruits and vegetables is used for cutting the inedible parts of the heads and the tails of the fruits and vegetables, the cutting length is adjustable within a certain range; when the part with poor taste of the head and the tail of the fruits and vegetables is cut off, the cutting range can be adjusted according to the identification result; the middle of the positioning device 210 positioned at the head and tail cutting part of the fruits and vegetables is provided with a slot, and the leaves and stems of the fruits and vegetables which are not completely processed pass through the slot and are cut off by a subsequent mechanism, so that the positioning precision is ensured. The structure is reasonable and simple, the operation is convenient, the residual leaf stems of the columnar fruits and vegetables can be efficiently cut off, the head and tail of the columnar fruits and vegetables can be accurately cut off, the problems of low efficiency and waste in the traditional fruit and vegetable processing process are solved, the economic benefit is improved, and the market competitiveness of equipment is improved, and meanwhile, the novel fruit and vegetable cutting machine has good popularization and application values.
Drawings
The invention has the following drawings:
FIG. 1 is a schematic diagram of a work flow of a head and tail cutting device for a cylindrical fruit and vegetable;
fig. 2 is a schematic perspective view of a head and tail cutting device for a bar-shaped fruit and vegetable;
FIG. 3 is a schematic top view of the link plate conveyor mechanism and positioning mechanism of the present invention;
FIG. 4 is a schematic perspective view of a finger mechanism according to the present invention;
FIG. 5 is a schematic perspective view of a head-to-tail cutting mechanism according to the present invention;
Fig. 6 is a schematic perspective view of a positioning device 210 according to the present invention.
Reference numerals:
201. A link plate; 202. a chain; 203. a drive sprocket; 204. a motor; 205. a tail cutting portion; 206. a camera; 207. a head cutting portion; 208. a bottom plate; 209. a secondary cutting portion; 210. a positioning device; 211. a third positioning belt; 301. carrot; 302. a poking finger; 303. a first positioning belt; 304. a tail cutter; 305. a second positioning belt; 401. a base transverse shaft; 402. a first base; 403. a torsion spring; 501. a cutting knife; 502. a tool apron; 503. a material leakage groove; 601. a trapezoidal screw; 602. a positioner; 603. a coupling; 604. a bearing seat; 605. a second base; 606. a slide block; 607. a servo motor.
Detailed Description
The invention is exemplified by cutting carrots 301 in size and green head.
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent.
The following describes embodiments of the present apparatus for cutting carrots 301 into smaller and larger bits and green bits with reference to the accompanying drawings.
As shown in fig. 1, the working flow of the whole cylindrical fruit and vegetable head and tail cutting device is divided into four parts: feeding the carrots 301, identifying the size of the green heads of the carrots 301, controlling the start, stop or rest of the third positioning belt 211 and the movement of the positioner 602 of the positioning device 210 to cut the size and green heads of the carrots 301. After the chain plate 201 starts to move, the carrot 301 is fed from the feeding end, the camera 206 collects the green head image of the carrot 301 and performs image processing, and then the third positioning belt 211 is controlled to start, stop or stop according to the green head size of the carrot 301, and the positioner 602 of the positioning device 210 is controlled to move; the carrot 301 moves forward under the pushing action of the link plate 201, and sequentially passes through the tail cutting part 205, the head cutting part 207 and the secondary cutting part 209, thereby completing the head-tail and green-head cutting of the carrot 301.
As shown in fig. 2, the mechanical device of the head and tail cutting device of the whole columnar fruit and vegetable comprises: the chain plate conveying mechanism, the positioning mechanism, the finger shifting mechanism, the head and tail cutting mechanism, the frame and the bottom plate 208;
The link plate conveying mechanism includes: the driving chain comprises a motor 204, a driving shaft, a driven shaft, a plurality of chain plates 201, two chains 202, two driving chain wheels 203 and two driven chain wheels;
Wherein, a plurality of chain plates 201 are fixedly connected (i.e. fixedly connected) with a chain 202, the chain 202 is arranged on a driving chain wheel 203, and the driving chain wheel 203 rotates under the driving action of a motor 204; a plurality of chain plates 201 fixedly connected to the chain 202 are arranged at equal intervals, and a certain distance is reserved between every two adjacent chain plates 201.
The carrot 301 is fed into the gap of the chain plate 201 from the feeding end, and rolls forwards along the bottom plate 208 under the pushing action of the chain plate 201, at this time, the camera 206 positioned at the feeding end of the carrot 301 obtains a green head image of the carrot 301, the green head size of the carrot 301 is determined through image processing, the starting, stopping or resting of the third positioning belt 211 is controlled according to the processing result, and the movement of the positioner 602 of the positioning device 210 is controlled; the cutting support force is provided by the finger pulling mechanism of fig. 4, and the carrot 301 is cut off from the head to the tail through the tail cutting part 205, the head cutting part 207 and the secondary cutting part 209 in sequence.
As shown in fig. 3, the motor 204 drives the driving sprocket 203 to rotate through chain transmission, the chain plate 201 moves along with the chain 202 arranged on the driving sprocket 203 to realize the conveying of the carrot 301, and the chain plate 201 is provided with tooth grooves for the passage of the poking fingers 302 and the cutting knife 501 in the conveying process of the chain plate 201; the motor in the belt roller drives the first positioning belt 303, the second positioning belt 305 or the third positioning belt 211 to move to one side perpendicular to the advancing direction of the chain plate 201, and the positioning device 210 is used for positioning the cutting lengths of the small head, the big head and the green head of the carrot 301. When the small heads of the carrots 301 are cut, the first positioning belt 303 conveys the carrots 301 to one side of the cutting knife 501 beside the first positioning belt 303, so that the small heads of the carrots 301 are cut; when the big end of the carrot 301 is cut, the second positioning belt 305 conveys the carrot 301 to one side of the cutting knife 501 beside the second positioning belt 305, so that the big end of the carrot 301 is cut; when the green heads of the carrots 301 are cut, the third positioning belt 211 conveys the carrots to one side of the cutting knife 501 beside the third positioning belt 211, and the adjustable cutting of the green head range of the carrots 301 to be cut is achieved through movement of the positioning device 210.
As shown in fig. 4, when the carrot 301 is conveyed to the cutter 501 under the positioning action of the first positioning belt 303, the second positioning belt 305 or the third positioning belt 211 under the pushing action of the link plate 201, the carrot 301 to be cut is firstly contacted with the poking finger 302, the poking finger 302 is sleeved on the base transverse shaft 401, the base one 402 is connected with the rack through a bolt, and the carrot 301 is stably cut under the supporting action of the torsion spring force provided by the torsion spring 403.
As shown in fig. 5, when the carrot 301 is conveyed to the cutter 501, under the action of the supporting force of the poking fingers 302, the big and small heads of the carrot 301 are smoothly cut by the cutter 501, the cutter holder 502 is connected with the frame through bolts, the distance between the edge of the cutter 501 and the side edge of the positioner 602 of the positioning device 210 is the range of the big and small heads of the carrot 301 to be cut, and the waste materials of the big and small heads of the cut carrot 301 fall into the material leakage groove 503 arranged on one side of the cutter 501, and then leak into the collecting box.
As shown in fig. 6, when the size of the green head of the carrot 301 exceeds the secondary cutting range, the servo motor 607 is reversed, the trapezoidal screw 601 is connected with the servo motor 607 through the coupling 603, the slider 606 reciprocates in a straight line under the forward and reverse rotation action of the trapezoidal screw 601, the positioner 602 is connected with the slider 606 through bolts, and the reversing number of turns of the servo motor 607 is controlled according to the size of the green head of the carrot 301, so that the moving distance of the positioner 602 is controlled, and the accurate cutting of the green head of the carrot 301 is realized.
The invention is not limited to the specific embodiments described above. The invention extends to any novel one, or any novel combination, of the features disclosed in this specification, as well as to any novel one, or any novel combination, of the steps of the method or process disclosed.
What is not described in detail in this specification is prior art known to those skilled in the art.
Claims (7)
1. The utility model provides a strip column fruit vegetables head and tail excision device which characterized in that includes: a mechanical device part, a machine vision part and an automatic control part;
the mechanical device section includes: the chain plate conveying mechanism, the positioning mechanism, the plurality of poking finger mechanisms, the head and tail cutting mechanism, the frame and the bottom plate (208);
The link plate conveying mechanism includes: the chain comprises a motor (204), a driving shaft, a driven shaft, a plurality of chain plates (201), two chains (202), two driving chain wheels (203) and two driven chain wheels;
the driving shaft and the driven shaft are arranged in parallel and are respectively arranged at the rear end and the front end of the upper part of the rack;
A driving sprocket (203) is fixedly arranged at two ends of the driving shaft respectively;
two ends of the driven shaft are respectively fixedly provided with a driven sprocket;
The motor (204) is connected with a driving sprocket (203) on the left side through chain transmission;
The driving chain wheel (203) positioned at the left side is connected with the driven chain wheel at the left side through a chain (202) to form a group of left meshing transmission; the driving chain wheel (203) positioned on the right side and the driven chain wheel on the right side are also connected through a chain (202) to form a group of right meshing transmission;
A plurality of chain plates (201) are fixedly arranged between the two chains (202) at intervals;
the bottom plate (208) is positioned below the chain plates (201) and is arranged on the frame;
The plurality of chain plates (201) move along with the chain (202) from front to back, so that the columnar fruits and vegetables placed between the plurality of chain plates (201) are pushed to roll or slide from front to back;
The head-to-tail cutting mechanism comprises: a head cutting portion (207), a tail cutting portion (205), and a secondary cutting portion (209);
The tail cutting part (205), the head cutting part (207) and the secondary cutting part (209) have the same structure and are sequentially arranged at intervals along the movement direction of the chain plates (201);
The head cutting part (207) and the secondary cutting part (209) are positioned on the right side of the advancing direction of the chain plates, and the tail cutting part (205) is positioned on the left side of the advancing direction of the chain plates;
the positioning mechanism comprises: a first positioning belt (303), a second positioning belt (305), a third positioning belt (211) and three positioning devices (210);
The three positioning devices (210) are respectively positioned in front of the head cutting part (207), the secondary cutting part (209) and the tail cutting part (205), and the three positioning devices (210) are arranged on the bottom plate (208) and are respectively positioned on the same side with the corresponding head cutting part (207), secondary cutting part (209) and tail cutting part (205), wherein, only the middle of the positioning device (210) which is positioned in front of the head cutting part (207) is slotted for the residual leaf stalks of the columnar fruits and vegetables to pass through;
The first positioning belt (303), the second positioning belt (305) and the third positioning belt (211) are also sequentially arranged at intervals along the movement direction of the chain plates (201), the first positioning belt (303) is positioned in front of the tail cutting part (205), and the first positioning belt (303) is arranged side by side with the positioning device (210) positioned in front of the tail cutting part (205); a second positioning belt (305) is positioned in front of the head cutting portion (207), the second positioning belt (305) being juxtaposed with a positioning device (210) positioned in front of the head cutting portion (207); the third positioning belt (211) is positioned in front of the secondary cutting part (209), and the third positioning belt (211) is arranged side by side with the positioning device (210) positioned in front of the secondary cutting part (209);
the first positioning belt (303), the second positioning belt (305) and the third positioning belt (211) are equal in height to the bottom plate (208);
Slotting on the base plate (208) at positions corresponding to the first positioning belt (303), the second positioning belt (305) and the third positioning belt (211) so as to pass through the first positioning belt (303), the second positioning belt (305) and the third positioning belt (211) respectively;
the movement directions of the first positioning belt (303), the second positioning belt (305) and the third positioning belt (211) are perpendicular to the movement directions of the chain plates (201);
When the strip-shaped cylindrical fruits and vegetables move onto the first positioning belt (303) under the pushing action of the chain plate (201), the strip-shaped cylindrical fruits and vegetables with the heads and the tails facing the same direction are conveyed towards the tail parts of the strip-shaped cylindrical fruits and vegetables under the action of the first positioning belt (303) until the tail parts of the strip-shaped cylindrical fruits and vegetables are propped against the side edges of the positioning device (210);
When the strip-shaped cylindrical fruits and vegetables move onto the second positioning belt (305) under the pushing action of the chain plate (201), the strip-shaped cylindrical fruits and vegetables with the consistent head and tail directions are conveyed towards the head of the strip-shaped cylindrical fruits and vegetables under the action of the second positioning belt (305) until the head of the strip-shaped cylindrical fruits and vegetables is propped against the side edge of the positioning device (210);
When the strip-shaped cylindrical fruits and vegetables move to the third positioning belt (211) under the pushing action of the chain plate (201), the strip-shaped cylindrical fruits and vegetables with the consistent head and tail directions are conveyed towards the head of the strip-shaped cylindrical fruits and vegetables under the action of the third positioning belt (211) until the head of the strip-shaped cylindrical fruits and vegetables is propped against the side edge of the positioning device (210);
the positioning device (210) comprises: the device comprises a trapezoidal screw (601), a positioner (602), a coupler (603), a bearing seat (604), a second base (605), a sliding block (606) and a servo motor (607);
The trapezoidal screw rod (601) is arranged on the frame through a bearing seat (604);
one end of the trapezoidal screw rod (601) is connected with a servo motor (607) through a coupler (603);
the sliding block (606) is mounted on the trapezoidal screw (601) and can move on the trapezoidal screw (601) along with the rotation of the trapezoidal screw (601);
a positioner (602) is fixedly arranged above the sliding block (606);
The head of the strip-shaped fruit and vegetable is abutted against the side edge of a positioner (602) of a positioning device (210) near the front of a head cutting part (207) to position the strip-shaped fruit and vegetable;
The tail part of the strip-shaped fruit and vegetable is propped against the side edge of a positioner (602) of a positioning device (210) near the front part of the tail cutting part (205) to position the strip-shaped fruit and vegetable;
The head of the strip-shaped fruit and vegetable is abutted against the side edge of a positioner (602) of a positioning device (210) near the front of the secondary cutting part (209) to position the strip-shaped fruit and vegetable;
the head cutting portion (207), tail cutting portion (205) and secondary cutting portion (209) each include: the cutter seat (502) is connected with the rack through bolts, the cutter (501) is fixed on the cutter seat (502), and the distance between the cutting edge of the cutter (501) and the side edge of the locator (602) is the head-tail cutting range of the columnar fruits and vegetables;
Each finger mechanism includes: the device comprises a poking finger (302), a base transverse shaft (401), a base I (402) and a torsion spring (403);
the first base (402) is connected with the rack through bolts;
One end of the base transverse shaft (401) is fixedly arranged on the base I (402);
The lower end of the poking finger (302) is sleeved at the other end of the base transverse shaft (401), and the poking finger (302) can rotate around the base transverse shaft (401);
a torsion spring (403) is sleeved on the transverse shaft (401) of the base;
one end of the torsion spring (403) is fixedly connected with the first base (402); the other end of the torsion spring (403) is fixedly connected with the lower end of the poking finger (302);
A front row of poking finger mechanisms are arranged at the front edge of the cutting knife (501);
The rear row of the poking finger mechanisms and the front row of the poking finger mechanisms are arranged in parallel at a certain distance, and do not interfere with each other in the rotating process of the poking fingers (302);
tooth grooves corresponding to the positions of the plurality of poking fingers (302) are arranged on the plurality of chain plates (201);
a plurality of finger poking grooves corresponding to the positions of the plurality of finger poking grooves (302) are arranged on the bottom plate (208);
the front row of poking finger mechanisms and the rear row of poking finger mechanisms comprise: a plurality of finger-pulling mechanisms;
when the columnar fruits and vegetables do not move to the positions of the front rows of a plurality of poking finger mechanisms, the poking fingers (302) of the front row and the rear row are perpendicular to the bottom plate (208) under the action of the torsion springs (403); when the strip-shaped cylindrical fruits and vegetables are moved to be in contact with the front rows of a plurality of poking fingers (302) under the pushing action of the chain plate (201), the front rows of the poking fingers (302) respectively and independently move under the pushing action of the strip-shaped cylindrical fruits and vegetables, a certain supporting force is respectively applied to the strip-shaped cylindrical fruits and vegetables, and in the process of cutting heads and tails of the strip-shaped cylindrical fruits and vegetables by the cutting knife (501), the front rows of the poking fingers (302) rotate around the transverse shaft (401) of the base under the pushing action of the strip-shaped cylindrical fruits and vegetables until the front rows of the poking fingers move into poking finger grooves on the bottom plate (208);
The front rows of a plurality of poking fingers (302) pass through tooth grooves of the chain plate (201) in the forward movement;
After the columnar fruits and vegetables are separated from a plurality of fingers (302) of the front-row finger-shifting mechanism, the columnar fruits and vegetables just contact with a plurality of fingers (302) of the rear-row finger-shifting mechanism; under the action of forward pushing force of the strip-shaped cylindrical fruits and vegetables, a plurality of poking fingers (302) at the rear row move independently, a certain supporting force is applied to the strip-shaped cylindrical fruits and vegetables respectively, and in the process that the cutting knife (501) cuts the heads and the tails of the strip-shaped cylindrical fruits and vegetables, the plurality of poking fingers (302) at the rear row rotate around a transverse shaft (401) of the base under the action of the forward pushing force of the strip-shaped cylindrical fruits and vegetables until moving into poking finger grooves on the base plate (208);
The rear rows of a plurality of poking fingers (302) pass through tooth grooves of the chain plate (201) in the forward movement;
The machine vision portion includes: a camera (206) and a computer,
The camera (206) is arranged above the front end of the rack, and the camera (206) is connected with the computer;
The camera (206) collects head images of the bar-shaped fruits and vegetables, the head images are transmitted to the computer, and then the computer identifies the size of a part to be cut of the bar-shaped fruits and vegetables through an image processing method, so that the part with poor eating taste of the head and the tail of the bar-shaped fruits and vegetables is completely cut;
the automatic control part is connected with the third positioning belt (211), the servo motor (607) and the computer;
The operation of the servo motor (607) is controlled by the automatic control part through the instruction of the computer; and the automatic control part controls the movement of the third positioning belt (211) through the instruction of a computer;
When only leaves and stems of the columnar fruits and vegetables need to be cut off, adjusting the transverse distance between the side edge of a positioner (602) of a positioning device (210) close to the front of a head cutting part (207) and a cutting knife (501) until the cutting knife (501) is level with the side edge of the positioner (602);
When the head and the tail of the columnar fruits and vegetables need to be accurately cut, the transverse distance between the side edge of the locator (602) and the cutting knife (501) is adjusted according to the size of the part to be cut of the head and the tail of the columnar fruits and vegetables, so that the head and the tail of the columnar fruits and vegetables can be accurately cut.
2. The strip-like fruit and vegetable head and tail cutting device as claimed in claim 1, wherein: the first positioning belt (303), the second positioning belt (305) and the third positioning belt (211) are respectively driven by a motor I positioned in the belt roller, wherein the motor I driving the third positioning belt (211) is connected with the automatic control part;
Controlling, by a computer, operation of a motor one of the third positioning belt (211) through an automatic control portion;
The first positioning belt (303) and the second positioning belt (305) are in continuous motion.
3. The strip-like fruit and vegetable head and tail cutting device as claimed in claim 1, wherein: when the head of the columnar fruit and vegetable leaves the residual leaf stalk which is not treated completely, the middle of the side edge of the positioner (602) of the positioning device (210) near the front of the head cutting part (207) is grooved;
The residual leaf and stem penetrates into a groove of the locator (602), and pulp located at the periphery of the residual leaf and stem abuts against the side edge of the locator (602).
4. The strip-like fruit and vegetable head and tail cutting device as claimed in claim 1, wherein: the strip column fruit and vegetable head and tail excision device also comprises: a material leakage groove (504) and a collection box;
A material leakage groove (504) is arranged on the frame below each cutting knife (501), and the collecting box is arranged on the frame below the material leakage groove (504);
The material leakage groove (504) is used for: and receiving the head and tail scraps of the columnar fruits and vegetables cut by the cutting knife (501) and leaking into a collecting box.
5. The strip-like fruit and vegetable head and tail cutting device as claimed in claim 1, wherein: the plurality of link plates (201) are arranged at equal intervals along the movement direction of the link plates (201).
6. The strip-like fruit and vegetable head and tail cutting device as claimed in claim 1, wherein: the strip column fruit and vegetable comprises: carrot (301).
7. A method for cutting off the head and the tail of a bar-shaped fruit and vegetable by using the head and the tail cutting device of the bar-shaped fruit and vegetable according to any one of claims 1 to 6, comprising the following steps:
S1, setting a transverse distance between the side edge of a positioner (602) of a positioning device (210) close to the front of a tail cutting part (205) and a cutting knife (501), setting a transverse distance between the side edge of the positioner (602) of the positioning device (210) close to the front of a head cutting part (207) and the cutting knife (501), and setting a transverse distance between the side edge of the positioner (602) of the positioning device (210) close to the front of a secondary cutting part (209) and the cutting knife (501) according to operation requirements;
the job requirements refer to: the head and tail of the columnar fruits and vegetables are cut off;
s2, uniformly placing the heads and the tails of the strip-shaped cylindrical fruits and vegetables among a plurality of chain plates (201) so that the heads of the strip-shaped cylindrical fruits and vegetables face one side of a head cutting part (207);
s3, a plurality of chain plates (201) push the bar-shaped fruits and vegetables to move from front to back, and a camera (206) of a machine vision detection part collects head images of the bar-shaped fruits and vegetables and transmits the head images to a computer; the computer identifies the range of the part of the columnar fruit and vegetable head to be cut, which has bad edible taste, and judges the following:
① When the head of the columnar fruit and vegetable does not have a part with poor edible taste, the computer controls the third positioning belt (211) to be static through the automatic control part, and steps S4-S5 and S8 are sequentially carried out;
② When the head of the columnar fruit and vegetable has an edible bad taste, and the length of the edible bad taste does not exceed the maximum transverse distance between the side edge of a positioner (602) of a positioning device in front of a head cutting part (207) and a cutting knife (501), the computer controls a third positioning belt (211) to be static through an automatic control part, and steps S4-S5 and S8 are sequentially carried out;
③ When the strip-shaped fruit and vegetable head has an edible bad taste portion and the length of the edible bad taste portion exceeds the maximum transverse distance between the side edge of the positioner (602) of the positioning device in front of the head cutting portion (207) and the cutting knife (501), and when the strip-shaped fruit and vegetable head has an edible bad taste portion range exceeding the sum of the head cutting range and the transverse distance range between the side edge of the positioner (602) of the positioning device (210) in front of the secondary cutting portion (209) and the cutting knife (501), sequentially performing steps S4-S6;
④ When the head of the bar-shaped fruit and vegetable has an edible bad taste part, and the length of the edible bad taste part exceeds the maximum transverse distance between the side edge of the positioner (602) of the positioning device in front of the head cutting part (207) and the cutting knife (501), and when the head of the bar-shaped fruit and vegetable has an edible bad taste part, the range of the edible bad taste part does not exceed the sum of the head cutting range and the transverse distance range between the side edge of the positioner (602) of the positioning device (210) in front of the secondary cutting part (209) and the cutting knife (501), sequentially performing the steps S4-S5 and S7;
The head cutting range is as follows: a maximum lateral distance between a side of a locator (602) of the locating device in front of the head cutting portion (207) and the cutting blade (501);
s4, along with the movement of the chain plate (201), when the strip-shaped fruit and vegetable moves onto the first positioning belt (303), the first positioning belt (303) drives the strip-shaped fruit and vegetable to move until the tail of the strip-shaped fruit and vegetable abuts against the side edge of the positioner (602), and the tail of the strip-shaped fruit and vegetable is cut off by the cutting knife (501) of the tail cutting part (205);
S5, along with the continuous movement of the chain plate (201), when the strip-shaped fruit and vegetable moves onto the second positioning belt (305), the second positioning belt (305) drives the strip-shaped fruit and vegetable to move until the head of the strip-shaped fruit and vegetable abuts against the side edge of the positioner (602), and the head to be cut of the head of the strip-shaped fruit and vegetable is cut off by the cutting knife (501) of the head cutting part (207);
s6, adjusting and expanding the transverse distance between the side edge of a positioner (602) of a positioning device (210) close to the front of the secondary cutting part (209) and the cutting knife (501), so that the cutting knife (501) cuts off the part of the cylindrical fruits and vegetables, which is to be cut and has poor edible mouthfeel; then, the computer controls the third positioning belt (211) to start through the automatic control part; cutting off the part of the bar-shaped fruit and vegetable, which is to be cut and has poor edible taste, by a cutting knife (501), and performing step S8;
S7, the computer controls the third positioning belt (211) to start through the automatic control part; cutting off the part of the bar-shaped fruit and vegetable, which is to be cut and has poor edible taste, by a cutting knife (501), and performing step S8;
s8, cutting off the heads and the tails of the columnar fruits and vegetables.
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| US5916354A (en) * | 1998-02-10 | 1999-06-29 | Wm. Bolthouse Farms, Inc. | Vegetable topping, tailing and cutting machine |
| US8549996B2 (en) * | 2010-05-28 | 2013-10-08 | Dole Fresh Vegetables, Inc. | System for topping and tailing lettuce heads using a camera-guided servo-controlled water knife |
| TWI656846B (en) * | 2013-06-07 | 2019-04-21 | 日商雷恩自動機股份有限公司 | Method and device for cutting food blanks |
| CN112297137A (en) * | 2020-10-28 | 2021-02-02 | 张燕 | Trimming cutting device for insulation board |
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| CN215589237U (en) * | 2021-06-30 | 2022-01-21 | 中国农业大学 | Strip column-shaped fruit and vegetable head and tail cutting device |
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