CN108036905A - Rubber fruit crushes force tester - Google Patents

Rubber fruit crushes force tester Download PDF

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Publication number
CN108036905A
CN108036905A CN201711250668.1A CN201711250668A CN108036905A CN 108036905 A CN108036905 A CN 108036905A CN 201711250668 A CN201711250668 A CN 201711250668A CN 108036905 A CN108036905 A CN 108036905A
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China
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sensor
rolling
rubber
roll
barrel
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Inventor
王涛
何焯亮
王远荣
刘世豪
陈致水
王娟
朱冬云
张燕
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Hainan University
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Hainan University
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Priority to CN201711250668.1A priority Critical patent/CN108036905A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M5/00Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
    • G01M5/0041Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress
    • G01M5/005Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress by means of external apparatus, e.g. test benches or portable test systems

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The invention discloses a kind of rubber fruit to crush force tester, belongs to agriculture and forestry product processing equipment technical field.Rubber fruit crushes force tester and is made of hulling machine and pressure test device two parts, in hulling machine, it is mounted with that drum roll, the bottom surface of rolling piece provide required pressure for the hulling machine that the rolling groove and S types pull pressure sensor of curved surface form for broken rubber fruit, pass through the size of crushing force when broken of rubber fruit during pressure test device realization record broken shell, so as to draw the changing rule of optimal crushing force, research is contributed to improve kernel quality and the crushing force numerical value to shell corresponding to efficiency.The present invention realizes the dynamic measurement purpose of test rubber hull cracking power, to provide optimal broken force parameter using the machinery that rubber hull cracking is carried out under rubbing squeezing action.The present invention can not only measure the crushing force of rubber fruit, moreover it can be used to test the crushing force of other fruits, other nut fruitses grind the lower crushing force test of stranding effect for walnut, Chinese chestnut etc..

Description

Rubber fruit crushes force tester
Technical field
The invention belongs to agriculture and forestry product processing equipment technical field, more particularly to a kind of rubber fruit crushes force tester.
Background technology
Rubber fruit is the accessory substance of rubber forest.Its shell can be natural construction material, by adding with craft articles Work can build house.Its kernel can extract oil, and biodiesel can be processed into by processing.The potential exploitation value of rubber fruit It is worth huge.To must just be shelled using rubber fruit to it.At present both at home and abroad to the research in terms of rubber fruit shelling very Lack, the economic benefit of shelling is not also high.The quality good or not of shelling directly influenced behind deep processing, therefore how to subtract Kernel percentage of head rice after few energy waste, increase rubber fruit husking yield and shelling is to have to solve the problems, such as, measures shelling The changing rule of the dynamic shelling parameter of shelling machine can be evaluated and studied to dynamic fragmentation power.
Research at present both at home and abroad for the crushing force of rubber fruit is less, will cause to apply not conforming to for rubber fruit shelling pressure Reason, cause shell efficiency it is low, kernel percentage of head rice is low, causes serious waste.So as to which more step strike people utilize the product of rubber fruit Polarity, can only allow rubber fruit voluntarily to drop, and rot in the fields.Therefore the research in terms of progress rubber fruit crushing force seems very It is important.
In summary, the technology of domestic and international special test rubber fruit crushing force and machinery field still locate blank, and a energy is right The machinery that rubber fruit carries out crushing force test is urgently developed.
Macadamia, walnut, fibert and peanut in association area etc. eat the principle that extruding is combined using rubbing with shell fruit Shelling crushing force test, it is also desirable to a kind of simple in structure, easy to use and efficient fruit crushes force tester.
The content of the invention
Present invention aims at for the above-mentioned problems in the prior art, there is provided a kind of rubber fruit crushing force experiment Machine, obtains optimal rubber fruit shelling crushing force by experiment, reference is provided to improve rubber fruit hulling machine.At the same time to other fruits Real separation of hull from kernel machinery also has directive function.
It is made of the technical scheme is that rubber fruit crushes force tester two devices, first, by complete rubber fruit The hulling machine of broken shell is carried out by rubbing squeezing action, second, the pressure test device of stress when rubber fruit crushes is tested, two A device is installed in rack 1 and operation console 12;
In the rack 1,2 upper strata longerons 102 and 2 upper strata crossbeams 104 form a rectangular frame, rectangular frame Corner is respectively and fixedly connected to 4 vertical 101 upper ends of column, forms horizontally disposed rack upper strata, 2 lower floor's longerons 103 with it is upper Layer longeron 102 is parallel and is respectively and fixedly connected to the lower part of two columns 101 in left side and two columns 101 on right side, and left and right Liang Ge lower floors longeron 103 is contour, and there is an elongated slot at the rear portion of 103 horizontal plane of lower floor's longeron, and sensor base plate 105 is laterally disposed in down It is in elongated slot front portion bolt that sensor base plate 105 and lower floor longeron 103 is affixed on layer longeron 103, in sensor base plate 105 There is a upward sensor connecting base 107 in the middle part of upper surface, after sensor base plate 105,2 electric baseboards 106 are mutual Parallel to be laterally disposed on lower floor's longeron 103, in the middle part of elongated slot and rear portion is respectively with bolt 2 electric baseboards 106 and lower floor Longeron 103 is affixed, the middle part of the upper surface of 2 rolling groove stents 2 are respectively symmetrically fixed in or so two upper strata longerons 102,2 Drum roll bearing block 6 is respectively symmetrically fixed in the front portion of the upper surface of the two upper strata longerons 102 in left and right;
The hulling machine includes rolling groove 3, drum roll 4, drum roll belt wheel 5, motor 7, electrical machine belt pulley 8, belt 9 and S Type pull pressure sensor 10;In the drum roll 4, barrel 401 is hollow cylinder, and barrel 401 is coaxially fixed in roller Affixed on the cylindrical surface of barrel 401 to roll piece on axis 402, it is rectangle to roll piece, rolls the length and barrel 401 of piece The circumference on cylindrical surface is identical, and it is identical with the axial length on the cylindrical surface of barrel 401 to roll the width of piece, rolls the thickness of piece For 3~5mm, the outer surface for rolling piece is textured or texture-free;The material for rolling piece is steel alloy, rubber or duroplasts;
The flute profile that the rolling groove 3 forms for rolling trough floor 301 with two blocks of left and right rolling groove side plate 302 parallel to each other Structure, rolling trough floor 301 are curved surface, and the longitudinal cross sectional curves of rolling trough floor 301 are divided into tri- sections of AB, BC and CD, top AB sections are prompt drop curved section, and the BC sections at middle part are horizontal straightway, and the CD sections of lower part are reclinate arc curve section, rolling The upper edge of indent bottom plate 301 is parallel and affixed with top connecting tube 304, and the length of top connecting tube 304 and rolling groove 3 Be of same size, bottom connector 305 is fixed in the lower surface at rolling trough floor 301 middle part, in the longitudinal direction of rolling trough floor 301 On center line, there is a guide groove 303 of a longitudinal direction, the width of guide groove 303 is 20~22mm, and depth is 4~5mm, guide groove The 303 guiding rubber fruit 15 that act as rolls area between drum roll 4 and rolling groove 3;
Connecting shaft 306 is respectively and fixedly connected on rolling groove stent 2 through top connecting tube 304 and both ends, and S types pressure passes The sensor of sensor 10 is risen to the bait 1002 to be connected with the bottom connector 305 of rolling groove 3, the sensor of S types pull pressure sensor 10 Lower ring 1003 is connected with the sensor connecting base 107 on sensor base plate 105, and rolling groove 3 is supported in rack 1, passes through tune Section sensor under ring 1003 length and sensor rise to the bait 1002 length adjustment rolling trough floor 301 height;Before rack 1 Portion, rolls the lower edge of the trough floor 301 column 101 advanced 50~120mm more anterior than rack 1;
4 horizontal cross of drum roll is placed in rolling groove 3, and drum roll 4 is by 402 left and right ends of drum shaft and is fixed in The drum roll bearing block 6 of plane is formed with rack 1 on layer longitudinal beam 102 is rotatablely connected, and the axis for rolling cylinder 401 is rolling On the BC horizontal segment cores at the middle part of indent bottom plate 301, drum roll bearing block 6 and rolling 401 left end of cylinder in left side Between face, drum roll belt wheel 5 is fixed on drum shaft 402;Barrel 401 rolls piece outer surface and 303 bottom surface of guide groove Spacing adjustable range is 5~20mm, and the barrel 401 of drum roll 4 rolls piece outer surface and 303 bottom of guide groove in rolling groove 3 The spacing in face is broken work gap width, and broken work gap width is less than the outside diameter of rubber fruit 15, and rubber fruit 15 is being led Into groove 303, it is subject to the pressure of 303 bottom surface of drum roll 4 and guide groove to cause broken shell;
Motor 7 is fixed on two pieces of electric baseboards 106,8 structure of electrical machine belt pulley on belt 9, drum roll belt wheel 5 and motor shaft Into belt gear, governor 13 is electrically connected with motor 7 and is placed in operation console 12, and the motor 7 is speed regulating motor;
The pressure test device, including S types pull pressure sensor 10, universal data collection card 11 and computer 14, institute State in S types pull pressure sensor 10, the upper end of sensor main part 1001 and sensor are risen to the bait 1002 threaded connections, sensor main part 1001 lower end is threadedly coupled with ring under sensor 1003, and sensor delivery outlet 1004 is in the side of sensor main part 1001, S types The upper end of pull pressure sensor 10 is risen to the bait by sensor and 1002 is connected with the bottom connector 305 of rolling groove 3, is drawn by S types Ring 1003 and sensor connecting base 107 connects and composes S types pull pressure sensor 10 under the sensor of 10 lower end of pressure sensor It is connected with rack 1, piece is rolled by adjusting rise to the bait 1002 length adjustment barrel 401 of ring 1003 or sensor under sensor The spacing of outer surface and 303 bottom surface of guide groove, so as to change the pressure of roller rubber fruit;Sensor delivery outlet 1004 and general number Connected according to 11 analog signal of capture card, universal data collection card 11 is connected with 14 digital signal of computer, universal data collection card 11 are placed in rack 1, and computer 14 is placed on operation console 12;
The transmission of signal and process flow be, S types pull pressure sensor 10 be subject to roll pressure that trough floor 301 provides it After produce electric signal, universal data collection card 11 is transmitted to by sensor delivery outlet 1004, universal data collection card 11 is transferred to Computer 14, computer 14 handle data.
In hulling machine, be mounted with to roll the drum roll 4 of piece, bottom surface for curved surface rolling groove 3 and S types pressure sensing The hulling machine that device 10 forms provides required pressure for broken rubber fruit, and record broken shell is realized by pressure test device The size of crushing force when rubber fruit is broken in journey, so as to draw optimal shelling parameter, ensures rubber kernel quality and shelling efficiency. The motor 7 of hulling machine is speed regulating motor, there is provided power, adjusts the rotating speed of drum roll 4.
Rubber fruit crushes the workflow of force tester:Start motor 7 and speed governing, 401 stabilization of speed of barrel is existed The rotating speed of test request, the entrance of guide groove 303 of rubber fruit 15 from rolling trough floor are put into, and rubber fruit 15 is along guide groove 303 Area is rolled into the lower section of drum roll 4.The rubber fruit 15 to be crushed drum roll 4 and rolling groove 3 extruding, tear stranding under, experience The workplace for rolling piece outer surface and 303 bottom surface of guide groove of one barrel 401 away from it is descending, crushing force is ascending Shattering process.Rubber fruit 15 is subject to the guide groove rolled in piece outer surface and rolling groove 3 of barrel 401 in guide groove 303 303 bottom surface extruding forces cause broken shell.Rubber shell benevolence mixture after broken relies on the effect of gravity, from cambered guiding 303 hypomere of groove is sent out.S types pull pressure sensor 10 is subject to roll the pressure generation electricity that trough floor 301 provides during broken shell Signal, universal data collection card 11 is transmitted to by sensor delivery outlet 1004, then transmits numeral by universal data collection card 11 For signal to computer 14, computer 14 handles broken force parameter when data obtain rubber fruit broken shell.Rubber fruit crushing force is tested Machine realizes the basic function of the crushing force of test rubber fruit.
Beneficial effects of the present invention are:For the present invention by hulling machine and pressure test device, rubber fruit can be made by measuring Broken shell, and can ensure the optimal cracking pressure of rubber fruit that kernel completely shells, realize the purpose of test rubber hull cracking power, be The machinery that rubbing squeezing action carries out rubber hull cracking provides optimal broken force parameter, the rubber for solving the shelling of rubber fruit Kernel quality problems and shelling efficiency, realize that the mechanization of rubber fruit shells.
Brief description of the drawings
Fig. 1 is rubber fruit crushing force testing machine structure schematic diagram;
Fig. 2 is rack construction schematic diagram;
Fig. 3 is drum roll dimensional structure diagram;
Fig. 4 is rolling groove dimensional structure diagram;
Fig. 5 is rolling trough floor Vertical Curve schematic diagram;
Fig. 6 is S type pull pressure sensor structure diagrams;
Fig. 7 is crushing force signal measurement flow chart;
Fig. 8 is rubber fruit broken shell principle schematic perspective view.
In figure, 1-- racks, 2-- rolling groove stents, 3-- rolling grooves, 4-- drum rolls, 5-- drum roll belt wheels, 6-- rolling Cylinder bearing block, 7-- motors, 8-- electrical machine belt pulleys, 9-- belts, 10--S type pull pressure sensor, 11-- universal data collection cards, 12-- operation consoles, 13-- governors, 14-- computers, 15-- rubber fruits, 101-- columns, 102-- upper stratas longeron, 103-- lower floors Longeron, 104-- upper stratas crossbeam, 105-- sensor base plates, 106-- electric baseboards, 107-- sensor connecting bases;301-- is rolled Trough floor, 302-- rolling groove side plates, 303-- guide grooves, 304-- tops connecting tube, 305-- bottoms connector, 306-- connections Axis;401-- barrels, 402-- drum shafts, 1001-- sensor main parts, 1002-- sensors are risen to the bait, under 1003-- sensors Ring, 1004-- sensor delivery outlets.
Embodiment
The concrete structure and the course of work of the present invention are further described below in conjunction with attached drawing and embodiment.
The present embodiment crushes force tester for a kind of rubber fruit, and Fig. 1 is rubber fruit crushing force testing machine structure schematic diagram, rubber Glue fruit crushes force tester and is made of hulling machine and pressure test device, and hulling machine and pressure test device are installed on rack 1 and operation console 12 on.
Fig. 2 is rack construction schematic diagram, and 2 upper strata longerons 102 and 2 upper strata crossbeams 104 form a rectangular frame, square The corner of shape frame is respectively and fixedly connected to 4 vertical 101 upper ends of column, forms horizontally disposed rack upper strata, 2 lower floor's longerons The lower part of 103 two columns 101 that are parallel with upper strata longeron 102 and being respectively and fixedly connected to left side and two columns 101 on right side, and And left and right Liang Ge lower floors longeron 103 is contour, there is an elongated slot at the rear portion of 103 horizontal plane of lower floor's longeron, and sensor base plate 105 is laterally It is placed on lower floor's longeron 103, it is in elongated slot front portion bolt that sensor base plate 105 and lower floor longeron 103 is affixed, at sensor bottom There are a upward sensor connecting base 107, after sensor base plate 105,2 electric baseboards in the middle part of 105 upper surface of plate 106 it is parallel to each other be laterally disposed on lower floor's longeron 103, in the middle part of elongated slot and rear portion respectively with bolt 2 106 Hes of electric baseboard Lower floor's longeron 103 is affixed, and 2 rolling groove stents 2 are respectively symmetrically fixed in the upper surface of the two upper strata longerons 102 in left and right Portion, 2 drum roll bearing blocks 6 are respectively symmetrically fixed in the front portion of the upper surface of the two upper strata longerons 102 in left and right.
Hulling machine includes rolling groove 3, drum roll 4, drum roll belt wheel 5, motor 7, electrical machine belt pulley 8, belt 9, drum roll 4 With S types pull pressure sensor 10.Fig. 3 is drum roll dimensional structure diagram, and in drum roll 4, barrel 401 is hollow cylinder Body, barrel 401 are coaxially fixed on drum shaft 402, affixed on the cylindrical surface of barrel 401 to roll piece, and it is rectangular to roll piece Shape, it is identical with the circumference on 401 cylindrical surface of barrel to roll the length of piece, rolls the width of piece and the cylindrical surface of barrel 401 Axial length it is identical, the thickness for rolling piece is 3~5mm, and the outer surface for rolling piece is texture-free;The material for rolling piece is rubber Glue.
Fig. 4 is rolling groove dimensional structure diagram, and rolling groove 3 is that two pieces of rolling trough floor 301 and left and right are parallel to each other The bathtub construction that rolling groove side plate 302 forms.Rolling trough floor 301 is curved surface, as the rolling trough floor Vertical Curve of Fig. 5 is illustrated Shown in figure, the longitudinal cross sectional curves of rolling trough floor 301 are divided into tri- sections of AB, BC and CD, and the AB sections on top are prompt drop curved section, in The BC sections in portion are horizontal straightway, and the CD sections of lower part are reclinate arc curve section, roll the upper edge of trough floor 301 It is parallel and affixed with top connecting tube 304, and the length of top connecting tube 304 and rolling groove 3 are of same size, bottom connection First 305 are fixed in the lower surface at 301 middle part of rolling trough floor, on the longitudinal centre line of rolling trough floor 301, there is a longitudinal direction Guide groove 303, the width of guide groove 303 is 20~22mm, and depth is 4~5mm, and guide groove 303 act as guiding rubber Fruit 15, which enters between drum roll 4 and rolling groove 3, rolls area.
As shown in Figure 1, connecting shaft 306 is respectively and fixedly connected on rolling groove stent 2 through top connecting tube 304 and both ends, S The sensor of type pull pressure sensor 10 is risen to the bait 1002 to be connected with the bottom connector 305 of rolling groove 3, S type pull pressure sensor Ring 1003 is connected with the sensor connecting base 107 on sensor base plate 105 under 10 sensor, and rolling groove 3 is supported on rack 1 On, by adjust the length of ring 1003 and sensor under sensor rise to the bait 1002 length adjustment roll trough floor 301 height; It is anterior in rack 1, roll the lower edge of the trough floor 301 column 101 advanced 50~120mm more anterior than rack 1.
4 horizontal cross of drum roll is placed in rolling groove 3, and drum roll 4 is by 402 left and right ends of drum shaft and is fixed in The drum roll bearing block 6 of plane is formed with rack 1 on layer longitudinal beam 102 is rotatablely connected, and the axis for rolling cylinder 401 is rolling On the BC horizontal segment cores at the middle part of indent bottom plate 301.Drum roll bearing block 6 and rolling 401 left end of cylinder in left side Between face, drum roll belt wheel 5 is fixed on drum shaft 402.Barrel 401 rolls piece outer surface and 303 bottom surface of guide groove Spacing adjustable range is 5~20mm.The barrel 401 of drum roll 4 rolls piece outer surface and 303 bottom of guide groove in rolling groove 3 The spacing in face is broken work gap width, and broken work gap width is less than the outside diameter of rubber fruit 15, and rubber fruit 15 is being led Into groove 303, it is subject to the pressure of 303 bottom surface of drum roll 4 and guide groove to cause broken shell.
Motor 7 is fixed on two pieces of electric baseboards 106,8 structure of electrical machine belt pulley on belt 9, drum roll belt wheel 5 and motor shaft Into belt gear, governor 13 is electrically connected with motor 7 and is placed in operation console 12, and motor 7 is speed regulating motor.
Pressure test device includes S types pull pressure sensor 10, universal data collection card 11 and computer 14, the S types In pull pressure sensor 10, the upper end of sensor main part 1001 and sensor are risen to the bait 1002 threaded connections, sensor main part 1001 Lower end be threadedly coupled with ring under sensor 1003, sensor delivery outlet 1004 is in the side of sensor main part 1001.S type tension and compression The upper end of force snesor 10 is risen to the bait by sensor and 1002 is connected with the bottom connector 305 of rolling groove 3, passes through S type pressures Ring 1003 and sensor connecting base 107 connects and composes S types pull pressure sensor 10 and machine under the sensor of 10 lower end of sensor Frame 1 connects, and piece appearance is rolled by adjusting rise to the bait 1002 length adjustment barrel 401 of ring 1003 or sensor under sensor The spacing in face and 303 bottom surface of guide groove, so as to change the pressure of roller rubber fruit.Sensor delivery outlet 1004 is adopted with conventional data 11 analog signal of truck connects, and universal data collection card 11 is connected with 14 digital signal of computer, and universal data collection card 11 is put In in rack 1, computer 14 is placed on operation console 12.
Single rubber fruit is put into guide groove by crushing force signal measurement flow chart as shown in fig. 7, working as from 3 upper end of rolling groove In 303, rubber fruit 15 is moved downwardly to the centre of barrel 401 and guide groove 303 under the operation of gravity along guide groove 303 Area is rolled at position, and rubber fruit 15 is squeezed and grinds the common pressure effect rubbed with the hands, and rubber shell is squeezed broken, crushing force The analog quantity for pressure signal being changed into by S types tension-compression sensor 10 voltage signal is transported in universal data collection card 11, The analog signal of representative pressure is converted into digital quantity by universal data collection card 11, and is input to computer 14, in computer 14 Laview softwares realize collection and the display function of data, realize the analysis and display to cracking pressure signal, complete one Under a rotating speed, barrel 401 applies rubber fruit 15 test experiments of primary fragmentation power.
In hulling machine, be mounted with to roll the drum roll 4 of piece, bottom surface for curved surface rolling groove 3 and S types pressure sensing The hulling machine that device 10 forms provides required pressure for broken rubber fruit, and record broken shell is realized by pressure test device The size of crushing force when rubber fruit is broken in journey.
Rubber fruit crushes the workflow of force tester:Start motor 7, with governor 13 401 rotating speed tune of barrel To setting rotating speed, the working clearance width of barrel 401 and 303 bottom surface of guide groove is transferred to a fixed value, rubber fruit 15 from The entrance for rolling the guide groove 303 of trough floor is put into, and rubber fruit 15 enters below drum roll 4 along guide groove 303 rolls area.Will Broken rubber fruit 15 drum roll 4 and rolling groove 3 extruding, tear stranding under, that undergoes barrel 401 rolls piece outer surface Workplace with 303 bottom surface of guide groove is away from the ascending shattering process of descending, crushing force.Rubber fruit 15 is in guide groove It is subject to drum roll 4 to cause broken shell with the 303 bottom surface extruding force of guide groove in rolling groove 3 in 303.Rubber shell benevolence after broken is mixed Compound relies on the effect of gravity, from cambered 303 hypomere of guide groove submitting.The S types pull pressure sensor during broken shell 10 are subject to roll the pressure generation electric signal that trough floor 301 provides, and universal data collection is transmitted to by sensor delivery outlet 1004 Card 11, then digital signal is transmitted by universal data collection card 11 and handles data to computer 14, computer 14 and obtains rubber fruit Broken force parameter during broken shell.Rubber fruit crushes the basic function that force tester realizes the crushing force of test rubber fruit.
The embodiment of rubber fruit broken shell power test is carried out using the present invention:Barrel rotating speed is tested, crushes the working clearance That is gap of the barrel with being oriented to groove bottom, and rubber fruit moisture content is to the affecting laws of rubber fruit crushing force.
1. broken influence of the working clearance to rubber fruit crushing force of test
401 rotating speed of barrel is fixed on 400r/min, the stone roller wafer surface on barrel 401 is texture-free, choose 1~ No. 20 rubber fruit monomer samples, are divided into 4 groups, every group of 5 samples, the force tester up-regulation section broken working clearance is crushed in rubber fruit The spacing for rolling 303 bottom surface of piece outer surface and rolling groove of width, i.e. barrel 401, crush work gap width for 6mm, 9mm, 12mm, 15mm carry out crushing test to 4 groups of samples respectively, record every group of rubber fruit and crush force data and be averaged.Survey Test result is that crushing force gradually decreases when the broken working clearance is from small become larger.
2. test influence of the barrel rotating speed to rubber fruit crushing force
Broken work gap width is fixed as 9mm, the stone roller wafer surface on barrel 401 is texture-free.Selection 21~ No. 50 rubber fruit monomer samples, are divided into 6 groups, and every group of 5 samples, crush in rubber fruit and crushing test is carried out on force tester, rolling The rotating speed of cylinder 401 is 200r/min, 300r/min, 400r/min, 500r/min, 600r/min, 700r/min respectively to 6 groups Sample is crushed, and is recorded every group of rubber fruit and is crushed force data and be averaged.When barrel rotating speed is 200r/min, rubber Fruit crushing force is maximum, its value is 11.8N;When barrel rotating speed is 700r/min, rubber fruit crushing force is minimum, its value is 4.3N;Rotating speed from 200r/min increase to 700mm/min when, rubber fruit crushing force in constantly reduce trend.Test result is rubber Glue fruit crushing force increases with barrel rotating speed and constantly reduces.
3. test influence of the rubber fruit moisture content to rubber fruit crushing force
401 rotating speed of barrel and broken work gap width are set in 400r/min and 9mm respectively, on barrel 401 Stone roller wafer surface be texture-free.51~No. 70 rubber fruit monomer samples are chosen, are divided into 4 groups, every group of 5 samples, 4 groups of rubber fruits Sample passes through humidification process respectively, and measurement each group water content is respectively 14.12%, 16.25%, 18.07%, 27.59%, in rubber Glue fruit crushes carries out crushing test respectively on force tester, record every group of rubber fruit and crush force data and be averaged.When aqueous When rate is 14.12%, the crushing force of rubber fruit is maximum, its value is 23.0N;When moisture content is 27.59%, rubber fruit crushing force Minimum, its value are 17.67N;When moisture content is between 14.12% and 27.59, the increase crushing force with rubber fruit moisture content is in Constantly reduce trend.
The present invention using rubber fruit crushing force as index, by rubber fruit crushing force test, can study rubber fruit moisture content, Affecting laws of three factors of barrel rotating speed and broken working clearance to rubber fruit crushing force.
By hulling machine and pressure test device, the broken shell of rubber fruit can be made and ensure that kernel is complete the present invention by measuring The optimal cracking pressure of rubber fruit of whole shelling, realize test rubber hull cracking power purpose, for using rubbing squeezing action into The machinery of row rubber hull cracking provides optimal broken force parameter.
The present invention is suitable for the test of the dynamic data of rubber fruit crushing force.

Claims (3)

1. a kind of rubber fruit crushes force tester, it is made of hulling machine and pressure test device, hulling machine and pressure test Device is installed in rack (1) and operation console (12), it is characterised in that in the rack (1), 2 upper strata longerons (102) and 2 A upper strata crossbeam (104) forms a rectangular frame, and the corner of rectangular frame is respectively and fixedly connected on 4 vertical columns (101) End, forms horizontally disposed rack upper strata, 2 lower floor's longerons (103) are parallel with upper strata longeron (102) and are respectively and fixedly connected to left side Two columns (101) and right side two columns (101) lower part, and left and right Liang Ge lower floors longeron (103) is contour, lower floor There is an elongated slot at the rear portion of longeron (103) horizontal plane, and sensor base plate (105) is laterally disposed on lower floor's longeron (103), in elongated slot Front portion bolt is affixed sensor base plate (105) and lower floor's longeron (103), at the middle part of sensor base plate (105) upper surface There is a upward sensor connecting base (107), after sensor base plate (105), 2 electric baseboards (106) are parallel to each other It is laterally disposed on lower floor's longeron (103), 2 electric baseboards (106) and lower floor is indulged with bolt respectively with rear portion in the middle part of elongated slot Beam (103) is affixed, and 2 rolling groove stents (2) are respectively symmetrically fixed in the upper surface of the two upper strata longerons (102) in left and right Portion, 2 drum roll bearings (6) are respectively symmetrically fixed in the front portion of the upper surface of the two upper strata longerons (102) in left and right;
The hulling machine includes rolling groove (3), drum roll (4), drum roll belt wheel (5), motor (7), electrical machine belt pulley (8), skin Band (9) and S types pull pressure sensor (10);In the drum roll (4), barrel (401) is hollow cylinder, barrel (401) coaxially it is fixed on drum shaft (402), affixed on the cylindrical surface of barrel (401) to roll piece, it is rectangle to roll piece, It is identical with the circumference on barrel (401) cylindrical surface to roll the length of piece, rolls the width of piece and the cylindrical surface of barrel (401) Axial length it is identical, the thickness for rolling piece is 3~5mm, and the outer surface for rolling piece is textured or texture-free;
The groove that the rolling groove (3) forms for two blocks of rolling trough floor (301) and left and right rolling groove side plate (302) parallel to each other Shape structure, rolling trough floor (301) is curved surface, and the longitudinal cross sectional curves of rolling trough floor (301) are divided into tri- sections of AB, BC and CD, The AB sections on top are prompt drop curved section, and the BC sections at middle part are horizontal straightway, and the CD sections of lower part are bent for reclinate arc Line segment, the upper edge of rolling trough floor (301) and top connecting tube (304) are parallel and affixed, and top connecting tube (304) Length is of same size with rolling groove (3), and bottom connector (305) is fixed in the lower surface in the middle part of rolling trough floor (301), On the longitudinal centre line for rolling trough floor (301), there is the guide groove (303) of a longitudinal direction, the width of guide groove (303) for 20~ 22mm, depth are 4~5mm;
Connecting shaft (306) is respectively and fixedly connected on rolling groove stent (2) through top connecting tube (304) and both ends, S type pressures The sensor of sensor (10) rise to the bait (1002) be connected with the bottom connector (305) of rolling groove (3), S type pull pressure sensor (10) ring (1003) is connected with the sensor connecting base (107) on sensor base plate (105) under sensor, by rolling groove (3) Be supported in rack (1), by the length and sensor that adjust ring under sensor (1003) rise to the bait (1002) length adjustment roll The height of indent bottom plate (301);It is anterior in rack (1), roll column of the lower edge than rack (1) front portion of trough floor (301) (101) advanced 50~120mm;
Drum roll (4) horizontal cross is placed in rolling groove (3), and drum roll (4) passes through drum shaft (402) left and right ends and affixed The drum roll bearing (6) of plane is formed with rack (1) and is rotatablely connected on upper strata longitudinal beam 102, and rolls the axis of cylinder 401 Line is on the BC horizontal segment cores in the middle part of rolling trough floor (301), drum roll bearing (6) and barrel in left side (401) between left side, drum roll belt wheel (5) is fixed on drum shaft (402), barrel (401) roll piece outer surface with The spacing adjustable range of guide groove (303) bottom surface is 5~20mm;
Motor (7) is fixed on two pieces of electric baseboards (106), the motor band on belt (9), drum roll belt wheel (5) and motor shaft Take turns (8) and form belt gear, governor (13) is electrically connected with motor (7) and is placed in operation console (12);
The pressure test device, including S types pull pressure sensor (10), universal data collection card (11) and computer (14), In the S types pull pressure sensor (10), the upper end of sensor main part (1001) rise to the bait with sensor (1002) be threadedly coupled, pass The lower end of sensor main part (1001) is threadedly coupled with ring under sensor (1003), and sensor delivery outlet (1004) is in sensor main part (1001) side, the upper end of S types pull pressure sensor (10) is risen to the bait (1002) by sensor and the bottom of rolling groove (3) connects Connector (305) connects, and passes through ring (1003) and sensor connecting base under the sensor of S types pull pressure sensor (10) lower end (107) the S types pull pressure sensor (10) that connects and composes is connected with rack (1), by adjusting ring under sensor (1003) or passing Sensor rise to the bait (1002) length adjustment barrel (401) the spacing for rolling piece outer surface and guide groove (303) bottom surface;Sensing Device delivery outlet (1004) is connected with universal data collection card (11) analog signal, universal data collection card (11) and computer (14) Digital signal connects, and universal data collection card (11) is placed in rack (1), and computer (14) is placed on operation console (12).
2. rubber fruit according to claim 1 crushes force tester, it is characterised in that the material for rolling piece is alloy Steel, rubber or duroplasts.
3. rubber fruit according to claim 1 crushes force tester, it is characterised in that the motor (7) is speed regulating motor.
CN201711250668.1A 2017-12-01 2017-12-01 Rubber fruit crushes force tester Pending CN108036905A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108669575A (en) * 2018-05-22 2018-10-19 海南大学 Cam-type extrusion cracking rubber fruit hulling machine

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CN104799397A (en) * 2015-05-05 2015-07-29 海南大学 Single-roller extruding rubber fruit huller
CN104872792A (en) * 2015-06-10 2015-09-02 海南大学 Rolling sheller of rubber fruits

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CN104799397A (en) * 2015-05-05 2015-07-29 海南大学 Single-roller extruding rubber fruit huller
CN104872792A (en) * 2015-06-10 2015-09-02 海南大学 Rolling sheller of rubber fruits

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108669575A (en) * 2018-05-22 2018-10-19 海南大学 Cam-type extrusion cracking rubber fruit hulling machine
CN108669575B (en) * 2018-05-22 2020-11-06 海南大学 Cam type extrusion hulling machine for hulling rubber fruits

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Application publication date: 20180515