Machine for cutting melons

Abstract

FIELD: processing industry.SUBSTANCE: invention can be used in canning production for cutting the cleaned pulp of melons and gourds, in particular round and elongated fruits. The machine for cutting melon fruits comprises a frame, a feed conveyor, a cutting element, a left guide tray, a right guide tray, left and right conveyors for removing fruit halves. The feed conveyor is made in the form of two endless belt circuits installed relative to each other in a V-shape. The left and right guide trays are designed to orient the fruit halves with the pulp facing down. The cutting element is made in the form of a disk knife with a diameter of 1300 mm, a blade thickness of 5.0 mm, a cutting edge thickness of 0.55-0.65 mm, and a sharpening angle of 15-18°, rotating at a frequency of 95-105 min -1. The surface of the left and right guide trays and the disc knife is made of stainless steel with a chromium content of 23-25 wt.%, nickel 1-2 wt.%. The disc knife has an individual drive and rotates in the direction of the fruit, ensuring that it is cut from top to bottom.EFFECT: production of fruit halves and their orientation for the purpose of primary processing, and the automation of cutting modes.2 cl, 1 dwg

Description

[0001] The invention relates to the processing industry and can be used in canning production for cutting the cleaned pulp of melons, in particular round and elongated fruits, including pumpkins, melons and squash, mainly during primary processing.

[0002] A machine for cutting root crops into columns is known, which has a frame, a loading hopper in which a rotating disk with flat knives is located, the cutting edge of which is made along a circular generatrix, a tray that performs reciprocating movements by means of an eccentric mechanism, a toothed supporting drum, the teeth of which are directed in the direction of its rotation, conical disk knives, between which the teeth of a fixed comb are located tangentially, removing slices stuck between the disks, a guide tray in which magnets are installed to catch ferroimpurities (SU, author's certificate No. 138777, cl. 45e.35; 45e.36 01 ).

[0003] The disadvantages of the machine are low cutting quality, complex design and limited functionality.

[0004] A machine for cutting carrots is known, comprising a frame, a drive, a loading hopper, a cutting element, a tray for removing the finished product, equipped with an orienting device made in the form of a set of shaped disks fixed on a rotating shaft with washers located in the gaps between them, a throwing device made in the form of a floating drum with a serrated surface, mounted on a spring-loaded bar hingedly fixed on the frame, and rotating in a direction opposite to the direction of rotation of the orienting device, wherein the cutting element is made in the form of knives fixedly fixed to the frame, placed between the shaped disks (RU, patent No. 2007104, cl. A 23 N 15 / 00, B 26 D 3 / 24).

[0005] The disadvantage of the machine is the inability to cut the peeled pulp of melons, in particular hard-skinned elongated fruits, including pumpkin, melon, watermelon and zucchini, as well as to obtain pieces of specified geometric sizes, which is necessary when making candied melons.

[0006] A machine for cutting food products is known, comprising a frame, a drive, a loading hopper, a cutting element, a pressing device mounted on a shaft, made in the form of a comb, the teeth of which are curved along the radius of the knives and are installed with the possibility of the knives passing between them, a crank mechanism connecting the shaft of the cutting element with the shaft of the cutting element with the shaft of the pressing device, a thrower and a conveyor for removing pieces of the product (SU, author's certificate No. 629063, cl. A 23 N 15 / 00, B 26 D 4 / 24).

[0007] The disadvantage of the machine is the inability to obtain pieces of a given shape and geometric dimensions, which is necessary when making candied fruits from melons.

[0008] We have accepted this machine as the closest analogue.

[0009] The essence of the claimed invention is as follows.

[0010] The problem that the claimed invention is aimed at solving is to improve the quality of cutting melons and gourds, in particular round and elongated fruits, including pumpkins, melons and squash for primary processing.

[0011] Technical result - obtaining fruit halves and orienting them for the purpose of primary processing, automation of cutting modes.

[0012] The specified technical result is achieved by a machine for cutting melons and gourds, comprising a frame, a feed conveyor, a cutting element, a left guide tray, a right guide tray, a left and right conveyor for removing halves of the fruit, while it is equipped with vision sensors for assessing the dimensional characteristics of the fruits of melons and gourds, the feed conveyor is made in the form of two contours of endless belts installed relative to each other in a V-shape, the left and right guide trays are made with the possibility of orienting the halves of the fruit with the pulp down, while the cutting element is made in the form of a disk knife with a diameter of 1300 mm, a blade thickness of 5.0 mm, a cutting edge thickness of 0.55-0.65 mm, a sharpening angle of 15-18 °, rotating at a frequency of 95-105 min -1, the rotation axes of the left and right conveyors for removing the halves of the fruit are made parallel, and the axis of the disk knife is perpendicular to them, while the disk knife is made with the possibility of its movement along the axis along the feed conveyor for a length of 250 mm with a constant installation height by means of a servo drive based on information from the machine vision sensors, the surface of the feed conveyor belts, the left and right conveyors for removing the halves of the fruit are made rubberized, and the surface of the left and right guide trays and the disk knife is made of stainless steel with a chromium content of 23-25 ​​wt. %, nickel 1-2 wt.%, the feed conveyor belts have individual drives that ensure one direction of movement towards the disc knife, the disc knife has an individual drive and rotates in the direction of the fruit, ensuring its cutting from top to bottom, the rotation drives of the disc knife, the right and left conveyors for removing the halves of the fruit and the feed conveyor are made electric with frequency converters for stepless speed change, while the machine is used for cutting pumpkin.

[0013] The invention is explained by drawings.

[0014] Fig. 1 schematically shows a machine for cutting melons, front view.

[0015] Fig. 2 - section A-A in Fig. 1.

[0016] The information confirming the possibility of implementing the claimed invention is as follows.

[0017] The machine for cutting melon fruits comprises a frame 1, a feed conveyor 2, a disc knife 3, a left guide tray 4, a right guide tray 5, a left halves conveyor 6, a right halves conveyor 7.

[0018] Feed conveyor 2 is mounted on frame 1 pivotally and consists of two endless belt circuits installed relative to each other in a V-shape, which allows orienting round and elongated fruits along the longitudinal axis.

[0019] Disc knife 3 has a diameter of 1300 mm, which allows cutting in the longitudinal plane of fruits up to 600 mm high.

[0020] The left guide tray 4 and the right guide tray 5 have a corresponding profile for orienting the fruit halves with the pulp facing down.

[0021] The rotation axes of the left 6 and right 7 fruit halves conveyors are made parallel, and the axis of the disk knife 3 is perpendicular to them.

[0022] The surface of the belts of the feeding conveyor 2, the left conveyor of halves 6 and the right conveyor of halves 7 is made of rubberized, and the surface of the left 4 and right 5 guide trays and the disk knife 3 is made of stainless steel, the belts of the feeding conveyor 2 have individual drives and one direction of movement, towards the disk knife, the disk knife has an individual drive and rotates towards the fruit from top to bottom, the drive of all rotating parts is electric with frequency converters for stepless speed change.

[0023] The melon cutting machine works as follows.

[0024] The fruits of melon crops are fed individually to the feeding conveyor 2, which orients them in the longitudinal plane and moves them in the direction of the disk knife 3, the disk knife 3, rotating towards the fruit from top to bottom, cuts into the surface of the fruit and divides it into two halves, while the halves, moving progressively forward, slide along the surfaces of the left 4 and right 5 guide trays and are oriented with the pulp downwards relative to the left conveyor of halves 6 and the right conveyor of halves 7, by which they are removed from the cavity of the frame 1 of the machine.

[0025] The disk knife is designed with the ability to move the rotation axis along the feed conveyor for a length of 250 mm with a constant installation height, and the movement of the rotation axis of the disk knife is performed by a servo drive based on information from machine vision sensors that evaluate the dimensional characteristics of the fruits of melon crops, while the surface of the left and right guide trays and the disk knife is made of stainless steel with a chromium content of 23-25 ​​wt. %, nickel 1-2 wt. %.

[0026] The described set of installed working bodies ensures high-quality cutting of melons and gourds into two halves.

[0027] Frequency conversion and machine vision allow the machine to be adjusted to cut various melons and gourds, expanding its range of applications.

[0028] Thus, the machine for cutting melon fruits ensures the production of fruit halves and their orientation for the purpose of primary processing, and also automates the cutting modes.

Claims

1. A machine for cutting melons and gourds, comprising a frame, a feed conveyor, a cutting element, a left guide tray, a right guide tray, left and right conveyors for removing fruit halves, characterized in that it is equipped with technical vision sensors for assessing the dimensional characteristics of melons and gourds, the feed conveyor is made in the form of two endless belt circuits installed relative to each other in a V-shape, the left and right guide trays are designed with the possibility of orienting the fruit halves with the pulp down, while the cutting element is made in the form of a disk knife with a diameter of 1300 mm, a blade thickness of 5.0 mm, a cutting edge thickness of 0.55-0.65 mm, a sharpening angle of 15-18 °, rotating at a frequency of 95-105 min -1, the rotation axes of the left and right conveyors for removing the halves of the fruit are made parallel, and the axis of the disk knife is perpendicular to them, while the disk knife is made with the possibility of its movement along the axis along the feed conveyor for a length of 250 mm with a constant installation height by means of a servo drive based on information from the technical vision sensors, the surface of the feed conveyor belts, the left and right conveyors for removing the halves of the fruit are made rubberized, and the surface of the left and right guide trays and the disk knife is made of stainless steel with a chromium content of 23-25 ​​wt.%, nickel 1-2 wt.%, the feed conveyor belts have individual drives that ensure one direction of movement towards the disk knife, the disk knife has an individual drive and rotates in the direction of the fruit, ensuring its cutting from top to bottom, the rotation drives of the disk knife, the right and left conveyors for removing the halves of the fruit and the feed conveyor are made electric with frequency converters for stepless speed change.

2. The machine according to paragraph 1, characterized in that it is used for cutting pumpkin.

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