CN113533079B - Plastic pallet mechanical strength check out test set - Google Patents
Plastic pallet mechanical strength check out test set Download PDFInfo
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- CN113533079B CN113533079B CN202110884852.1A CN202110884852A CN113533079B CN 113533079 B CN113533079 B CN 113533079B CN 202110884852 A CN202110884852 A CN 202110884852A CN 113533079 B CN113533079 B CN 113533079B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0023—Bending
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/0282—Two dimensional, e.g. tapes, webs, sheets, strips, disks or membranes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Pallets (AREA)
Abstract
The invention belongs to the technical field of strength detection of plastic trays, and particularly relates to a mechanical strength detection device of a plastic tray, which comprises a base, wherein the base is provided with a clamping mechanism, the base is provided with a frame, and the frame is provided with a lifting mechanism; the clamping mechanism comprises a mounting seat, a control assembly and units, the mounting seat is in transmission connection with the lifting mechanism, the four units are distributed in a rectangular shape and are spliced into a rectangular box body, and the four units are all provided with fixing assemblies; the control assembly comprises a swivel base, a U-shaped seat, a rotating shaft, a C-shaped seat, a first electric telescopic rod and an electromagnetic chuck, wherein the mounting seat is provided with a first driving member, and the mounting seat is provided with a second driving member; make four units carry out the centre gripping fixed to plastic tray through fixture, control assembly can control four units and carry out diversified bending strength detection to the tray, can drive four units simultaneously and carry out diversified tensile strength detection to plastic tray through control assembly.
Description
Technical Field
The invention belongs to the technical field of strength detection of plastic trays, and particularly relates to mechanical strength detection equipment for plastic trays.
Background
The plastic tray is a logistics unit matched with logistics equipment such as forklifts, shelves and the like. Can be used for storing, loading and carrying goods, and is one of the indispensable logistics equipment in modern logistics warehouse. Mechanical strength refers to the maximum load that a material can withstand per unit area under external forces, and is generally expressed in terms of flexural (bending) strength, tensile (tensile) strength, impact strength, and the like.
In order to ensure the reliability of the plastic tray, the mechanical strength of the plastic tray can be tested before the plastic tray is put into use, and most of the existing plastic tray mechanical strength detection devices are simple in structure, cannot detect the multi-azimuth bending strength of the plastic tray, and have the problem of larger limitation.
Disclosure of Invention
The purpose of the invention is that: aim at providing a plastic tray mechanical strength check out test set, make four units carry out the centre gripping to plastic tray fixedly through fixture, control assembly can control four units and carry out diversified bending strength to the tray and detect, can drive four units simultaneously and carry out diversified tensile strength to plastic tray through control assembly and detect.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
the plastic tray mechanical strength detection device comprises a base, wherein a clamping mechanism is arranged on the upper side of the base, a frame is fixedly arranged on the base, and a lifting mechanism is arranged on the frame;
the clamping mechanism comprises an installation seat, four control components and four units, wherein the installation seat is in transmission connection with the lifting mechanism, the control components are uniformly distributed on the installation seat and correspond to the four units, the four units are in rectangular distribution and are spliced into a rectangular box body, and the four units are all provided with fixing components;
the control assembly comprises a rotary seat, a U-shaped seat, a rotary shaft, a C-shaped seat, a first electric telescopic rod and an electromagnetic chuck, wherein the rotary seat is rotationally assembled in the mounting seat, a first driving member matched with the rotary seat is arranged on the upper side of the mounting seat, the end part of the U-shaped seat is connected with the rotary seat, the rotary shaft is rotationally assembled at the opening of the U-shaped seat, the opening of the C-shaped seat is connected with the rotary shaft, the first electric telescopic rod is fixedly arranged at the end part of the C-shaped seat, an output shaft of the first electric telescopic rod is connected with the electromagnetic chuck, a gear is fixedly arranged in the middle of the rotary shaft, and the mounting seat is provided with a second driving member matched with the gear.
The four units are all made of magnetic materials.
The first driving component comprises a driving gear, four driven gears, two idler gears, a protective shell and a first motor, wherein the driving gear is rotationally assembled in the middle of the upper side of the mounting seat, the driven gears are rotationally assembled on the upper side of the mounting seat, the driven gears are respectively connected with the four transposition transmissions, the driven gears are matched with the driving gears in a meshed mode and are not adjacent to each other, the driven gears are connected with the driving gear in a transmission mode through the idler gears, the number of teeth of the idler gears is the same as the number of teeth of the driven gears, the protective shell is arranged on the driving gear, the driven gears are arranged on the outer side of the idler gears, the first motor is fixedly arranged on the outer side of the protective shell, and an output shaft of the first motor penetrates through the protective shell and is connected with the driving gear in a transmission mode.
The second driving component comprises four sliding rods, four racks, a push plate, a plurality of stabilizer bars, a fixing plate and a cylinder, wherein the four sliding rods are respectively and slidably assembled in the openings of the U-shaped seats, the four racks are respectively arranged on the four sliding rods, the four racks are respectively matched with the four gears in a meshed manner, the four upper ends of the sliding rods are respectively and slidably connected with the push plate, the push plate is provided with a movement groove matched with the sliding rods, the stabilizer bars are uniformly fixed on the upper side of the mounting seat, the push plate is slidably connected with the stabilizer bars, the fixing plate is fixedly arranged on the stabilizer bars, the cylinder is fixedly arranged in the middle of the upper side of the fixing plate, and an output shaft of the cylinder penetrates through the fixing plate and is connected with the push plate.
The fixing assembly comprises two groups of locking members, the two groups of locking members are arranged vertically to each other, the locking members comprise a box body, two sliding plates, first screw rods, locking plates and a second motor, the box body is fixedly arranged on the unit, the sliding plates are slidingly assembled in the box body, the number of the two first screw rods is two, the two first screw rods are rotationally assembled in the box body, the sliding plates are in threaded connection with the first screw rods, the locking plates are fixedly arranged on the sliding plates, the unit is provided with grooves matched with the sliding plates, the second motor is fixedly arranged on the box body, an output shaft of the second motor penetrates through the box body to be in transmission connection with one of the first screw rods, and a transmission part is arranged between the two first screw rods; one of the lock plate ends is provided with a lock hole, and the other lock plate end is provided with a lock block.
The transmission piece comprises two first transmission wheels and a first transmission belt, wherein the two first transmission wheels are fixedly connected with the end parts of the two first screw rods respectively, and the first transmission belt is in transmission connection with the two first transmission wheels.
The lifting mechanism comprises two second screws, two sliding blocks, two connecting rods, two second driving wheels, a second conveying belt and a third motor, wherein the two second screws are rotatably assembled between the stand and the base and are positioned on the left side and the right side of the stand, the two sliding blocks are respectively in threaded connection with the two second screws, one ends of the two connecting rods are distributed and connected with the two sliding blocks, the other ends of the two connecting rods are respectively connected with the fixed plate, the two second driving wheels are rotatably assembled on the stand, the upper ends of the two second screws penetrate through the stand and are respectively in driving connection with the two second driving wheels, the second conveying belt is in driving connection with the two second driving wheels, a shell is arranged on the outer side of the second conveying belt, the third motor is fixedly arranged on the shell, and an output shaft of the third motor penetrates through the shell and is in driving connection with one of the driving wheels.
The base is provided with a positioning groove.
When the strength of the plastic tray is detected, four first electric telescopic rods are started to enable the four first electric telescopic rods to stretch synchronously, at the moment, the four units are fixed with the plastic tray through the fixing assembly, and when the four first electric telescopic rods stretch, the four units are driven to be far away from each other through the four electromagnetic chucks, and the tensile strength of the plastic tray is detected; the lifting mechanism drives the plastic tray to move upwards for a certain distance, the second driving member is started to drive the gear to rotate, the first electric telescopic rods are driven to rotate upwards or rotate downwards along the rotating shaft, when the four first electric telescopic rods rotate downwards simultaneously, the four units are driven to rotate downwards through the electromagnetic chuck, the four corners of the plastic tray are bent downwards, so that the downward bending strength of the plastic tray is detected, when the four first electric telescopic rods rotate upwards simultaneously, the four units are driven to rotate downwards through the electromagnetic chuck, the four feet of the plastic tray are bent upwards, and the upward bending strength of the plastic tray is detected; the positions of the four first electric telescopic rods can be changed through the first driving member, so that the positions of the electromagnetic chuck are changed, and the steps are repeated, so that the tensile strength detection and the bending strength detection of the plastic tray in different directions can be realized.
Drawings
The invention can be further illustrated by means of non-limiting examples given in the accompanying drawings;
FIG. 1 is a schematic view of an embodiment of a mechanical strength detecting apparatus for a plastic pallet according to the present invention;
FIG. 2 is a schematic cross-sectional view of an embodiment of a device for detecting mechanical strength of a plastic pallet according to the present invention;
FIG. 3 is a schematic view of a clamping mechanism according to the present invention;
FIG. 4 is a schematic diagram of a control assembly according to the present invention;
FIG. 5 is a schematic cross-sectional view of a control assembly according to the present invention;
FIG. 6 is an enlarged schematic view of the structure shown at A in FIG. 5;
FIG. 7 is a schematic diagram of a control assembly according to a second embodiment of the present invention;
FIG. 8 is a schematic cross-sectional view of one of the units according to the present invention;
FIG. 9 is a schematic diagram of the locking structure of one of the units of the present invention;
FIG. 10 is a schematic view of a clamping mechanism according to another embodiment of the present invention;
FIG. 11 is a schematic diagram showing another state of the clamping mechanism according to the present invention;
fig. 12 is a schematic view showing the structure of another embodiment of the mechanical strength detecting apparatus for plastic trays according to the present invention.
The base 1, the frame 11, the positioning groove 12, the mounting seat 2, the unit 21, the swivel base 22, the U-shaped seat 23, the rotating shaft 24, the C-shaped seat 25, the first electric telescopic rod 26, the electromagnetic chuck 27, the gear 28, the driving gear 3, the driven gear 31, the idler gear 32, the protective shell 33, the first motor 34, the slide bar 4, the rack 41, the push plate 42, the stabilizer bar 43, the fixed plate 44, the air cylinder 45, the movement groove 46, the box body 5, the slide plate 51, the first screw 52, the first driving wheel 521, the first driving belt 522, the locking plate 53, the second motor 54, the slot 55, the lock hole 56, the locking piece 57, the second screw 6, the slide block 61, the connecting rod 62, the second driving wheel 63, the second driving belt 64, the third motor 65 and the shell 66.
Detailed Description
In order that those skilled in the art will better understand the present invention, the following technical scheme of the present invention will be further described with reference to the accompanying drawings and examples.
Embodiment one: as shown in fig. 1-11, the mechanical strength detection device for the plastic tray comprises a base 1, wherein a clamping mechanism is arranged on the upper side of the base 1, a frame 11 is fixedly arranged on the base 1, and a lifting mechanism is arranged on the frame 11;
the clamping mechanism comprises an installation seat 2, four control components and four units 21, wherein the installation seat 2 is in transmission connection with the lifting mechanism, the control components are uniformly distributed on the installation seat 2 and correspond to the four units 21, the four units 21 are in rectangular distribution and are spliced into a rectangular box body, and the four units 21 are all provided with fixing components;
the control assembly comprises a rotary seat 22, a U-shaped seat 23, a rotary shaft 24, a C-shaped seat 25, a first electric telescopic rod 26 and an electromagnetic chuck 27, wherein the rotary seat 22 is rotationally assembled in a mounting seat 2, a first driving component matched with the rotary seat 22 is arranged on the upper side of the mounting seat 2, the end part of the U-shaped seat 23 is connected with the rotary seat 22, the rotary shaft 24 is rotationally assembled at the opening part of the U-shaped seat 23, the opening part of the C-shaped seat 25 is connected with the rotary shaft 24, the first electric telescopic rod 26 is fixedly arranged at the end part of the C-shaped seat 25, an output shaft of the first electric telescopic rod 26 is connected with the electromagnetic chuck 27, a gear 28 is fixedly arranged in the middle of the rotary shaft 24, and a second driving component matched with the gear 28 is arranged on the mounting seat 2.
In the initial state, the four electromagnetic chucks 27 are electrified to generate magnetic force to respectively adsorb and fix the four units 21, and the four units 21 are in a mutually far-away state and have a certain distance from the surface of the base 1; the plastic pallet is placed on the surface of the base 1 by a worker, the mounting seat 2 is driven to move downwards through the lifting mechanism, so that the plastic pallet is wrapped by the four units 21, then the first electric telescopic rods 26 are started, the four first electric telescopic rods 26 are synchronously contracted, the four first electric telescopic rods 26 drive the four units 21 to be simultaneously closed towards the middle part through the electromagnetic chuck 27, the plastic pallet is positioned and clamped, and at the moment, the plastic pallet is fixed through the fixing components of the four units 21; the first driving member can drive the rotary seat 22 to rotate, so as to drive the U-shaped seat 23 to rotate, and then drive the first electric telescopic rod 26 to rotate, so that the position of the electromagnetic chuck 27 can be changed; the second driving member can drive the gear 28 to rotate, so that the rotating shaft 24 rotates, and the C-shaped seat 25 drives the first electric telescopic rod 26 to move upwards or downwards along the rotating shaft 24;
when the strength of the plastic tray is detected, four first electric telescopic rods 26 are started, so that the four first electric telescopic rods 26 stretch synchronously, at the moment, the four units 21 are fixed with the plastic tray through the fixing assembly, and when the four first electric telescopic rods 26 stretch, the four units 21 are driven to be far away from each other through four electromagnetic chucks 27, and the tensile strength of the plastic tray is detected; the lifting mechanism drives the plastic tray to move upwards for a certain distance, the second driving member is started, the gear 28 is driven to rotate, the first electric telescopic rods 26 are driven to rotate upwards or downwards along the rotating shaft 24, when the four first electric telescopic rods 26 rotate downwards simultaneously, the four units 21 are driven to rotate downwards through the electromagnetic chucks 27, the four corners of the plastic tray are bent downwards, so that the downward bending strength of the plastic tray is detected, when the four first electric telescopic rods 26 rotate upwards simultaneously, the four units 21 are driven to rotate upwards through the electromagnetic chucks 27, the four feet of the plastic tray are bent upwards, and the upward bending strength of the plastic tray is detected;
the lifting mechanism drives the plastic tray to move downwards to contact with the base 1, so that the four electromagnetic chucks 27 lose magnetic force when power is off, the four units 21 are not adsorbed, and then the first driving component is started, so that the two first electric telescopic rods 26 positioned at the left side and the two first electric telescopic rods 26 positioned at the right side are close to each other, or the two first electric telescopic rods 26 positioned at the front side and the two first electric telescopic rods 26 positioned at the rear side are close to each other; when the two first electric telescopic rods 26 positioned at the left side and the two first electric telescopic rods 26 positioned at the right side are close to each other, the four first electric telescopic rods 26 are in a relatively horizontal state in top view, the four electromagnetic chucks are respectively positioned at the left side and the right side of the four units 21 in pairs, as shown in fig. 10, the four electromagnetic chucks 27 are electrified to generate magnetic force to adsorb the four units 21, the four first electric telescopic rods 26 are started, at the moment, the four units 21 respectively move in pairs to the left side and the right side of the plastic tray, a left-right horizontal pulling force is applied to the plastic tray, left-right tensile strength detection is carried out on the plastic tray, the lifting mechanism drives the plastic tray to move upwards for a certain distance, the second driving member is started, the four first electric telescopic rods 26 are driven to rotate downwards or upwards along the rotating shaft 24, a left-right folded state is formed on the plastic tray, and a left-right folded strength detection is completed on the plastic tray; when the two first electric telescopic rods 26 positioned at the front side and the two first electric telescopic rods 26 positioned at the rear side are close to each other, and the four first electric telescopic rods 26 are in a relatively vertical state in top view, the four electromagnetic chucks are respectively positioned at the front side and the rear side of the four units 21 in pairs, as shown in fig. 11, when the strength of the plastic tray is detected, the first electric telescopic rods 26 are started, a force for horizontally pulling the plastic tray forwards and backwards is applied, the tensile strength of the plastic tray forwards and backwards is detected, the first driving member is started, a front-back folded state is formed for the plastic tray, and the bending strength of the plastic tray which is folded forwards and backwards is detected; if the plastic tray is damaged in the detection process, the four units 21 wrap the plastic tray, so that the plastic is prevented from being splashed on the body of a worker to cause injury to the operator, and the safety of the detection device in use is improved;
according to the invention, the four units are used for clamping and fixing the plastic tray through the clamping mechanism, the control assembly can control the four units to carry out multidirectional bending strength detection on the tray, and meanwhile, the control assembly can drive the four units to carry out multidirectional tensile strength detection on the plastic tray, so that the practicability of the device is improved.
The four units 21 are all made of magnetic materials; thus, when the four electromagnetic chucks 27 are electrified to generate magnetic force, the four units 21 can be adsorbed and fixed, so that the strength detection of the plastic tray in multiple directions is completed.
The first driving component comprises a driving gear 3, four driven gears 31, two idle gears 32, a protective shell 33 and a first motor 34, wherein the driving gear 3 is rotationally assembled in the middle of the upper side of the mounting seat 2, the four driven gears 31 are rotationally assembled on the upper side of the mounting seat 2, the four driven gears 31 are respectively connected with the four rotary seats 22 in a transmission way, the two driven gears 31 are in meshed fit with the driving gear 3 and are not adjacent to each other, the other two driven gears 31 are in transmission connection with the driving gear 3 through the two idle gears 32, the number of teeth of the idle gears 32 is the same as the number of teeth of the driven gears 31, the protective shell 33 is arranged on the outer sides of the driving gear 3, the driven gears 31 and the idle gears 32, the first motor 34 is fixedly arranged on the outer sides of the protective shell 33, and an output shaft of the first motor 34 penetrates through the protective shell 33 and is in transmission connection with the driving gear 3;
the first motor 34 is started in this way, the driving gear 3 can be driven to start rotating, the driving gear 3 can drive two non-adjacent driven gears 31 to start rotating, the driving gear 3 is meshed with the two idle gears 32, the two idle gears 32 are respectively meshed with the other two driven gears 31, and when the driving gear 3 rotates, the idle gears 32 drive the other two driven gears 31 to rotate, so that the rotation directions of the two driven gears 31 and the other two driven gears 31 are opposite; therefore, when the driving gear 3 rotates forward or reversely, the two first electric telescopic rods 26 positioned at the left side and the two first electric telescopic rods 26 positioned at the right side are mutually close, or one motion state that the two first electric telescopic rods 26 positioned at the front side and the two first electric telescopic rods 26 positioned at the rear side are mutually close can be realized, so that the plastic tray is convenient to carry out multi-direction strength detection; the number of teeth of the idler gear 32 is the same as the number of teeth of the driven gear 31, so that the rotation speeds of the four driven gears 31 can be guaranteed to be basically consistent, the movement strokes of the four first electric telescopic rods 26 are basically consistent, and the protection shell 33 can protect gears inside.
The second driving component comprises four sliding rods 4, four racks 41, a push plate 42, a plurality of stabilizing rods 43, a fixed plate 44 and an air cylinder 45, wherein the four sliding rods 4 are respectively and slidably assembled in openings of the four U-shaped seats 23, the four racks 41 are respectively arranged on the four sliding rods 4, the four racks 41 are respectively engaged and matched with the four gears 28, the upper ends of the four sliding rods 4 are respectively and slidably connected with the push plate 42, the push plate 42 is provided with a movement groove 46 matched with the sliding rods 4, the stabilizing rods 43 are uniformly fixed on the upper side of the mounting seat 2, the push plate 42 is slidably connected with the stabilizing rods 43, the fixed plate 44 is fixedly arranged at the upper ends of the stabilizing rods 43, the air cylinder 45 is fixedly arranged in the middle of the upper side of the fixed plate 44, and an output shaft of the air cylinder 45 penetrates through the fixed plate 44 to be connected with the push plate 42;
like this start cylinder 45, cylinder 45 will promote push pedal 42 and move down along a plurality of stabilizer bars 43, then will drive four slide bars 4 and move down, match through the meshing of rack 41 and gear 28 and drive gear 28 rotation, thereby drive four first electric telescopic handle 26 and upwards rotate along pivot 24, when cylinder 45 drove push pedal 42 and upwards move along a plurality of stabilizer bars 43, can drive four slide bars 4 and upwards move, drive gear 28 rotation through the meshing of rack 41 and gear 28 to drive four first electric telescopic handle 26 and rotate down along pivot 24, realize the bending strength detection to the plastics tray, slide bar 4 sliding fit is in the opening of U-shaped seat 23, when U-shaped seat 23 takes place the rotation, can drive slide bar 4 and rotate along with the rotation, be equipped with on the push pedal 42 with slide bar 4 assorted movement groove 46, can satisfy slide bar 4 and rotate along U-shaped seat 23, and slide bar 4 upper end is with movement groove 46 sliding connection's push pedal 42 can drive slide bar 4 and reciprocate.
The fixing assembly comprises two groups of locking members, the two groups of locking members are mutually perpendicular, the locking members comprise a box body 5, two sliding plates 51, first screw rods 52, a locking plate 53 and a second motor 54, the box body 5 is fixedly arranged on the unit 21, the sliding plates 51 are slidingly assembled in the box body 5, the number of the first screw rods 52 is two, the two first screw rods 52 are rotationally assembled in the box body 5, the sliding plates 51 are in threaded connection with the first screw rods 52, the locking plate 53 is fixedly arranged on the sliding plates 51, the unit 21 is provided with a slot 55 matched with the sliding plates 51, the second motor 54 is fixedly arranged on the box body 5, an output shaft of the second motor 54 penetrates through the box body 5 and is in transmission connection with one of the first screw rods 52, and a transmission part is arranged between the two first screw rods 52; the end part of one lock plate 53 is provided with a lock hole 56, and the end part of the other lock plate 53 is provided with a lock block 57;
thus, after the four units 21 wrap the plastic tray, the locking plate 53 is first started to serve as a locking member of the locking hole 56, the second motor 54 rotates to drive one of the first screws 52 to rotate, the first screw 52 drives the other first screw 52 to synchronously rotate through the transmission member, the sliding plate 51 is slidably assembled in the box body 5 and is in threaded connection with the screw 52, so that the first screw 52 rotates to drive the sliding plate 51 to move inwards, the locking plate 53 is driven to move inwards, the locking plate 53 penetrates through the groove 55 to enter between the gaps of the plastic tray, then the other group of locking members is started to drive the other locking plate 53 to penetrate through the groove 55 to enter between the gaps of the plastic tray, the locking piece 57 of the locking plate 53 enters into the locking hole 56 of the other locking plate 53, then the supporting angle of the plastic tray is fixed, when the two locking plates 53 are mutually buckled to provide higher stability during tensile strength detection, and when the locking is unlocked, the locking plate 53 is started to have the locking mechanism of the locking piece 57 in opposite steps, the second motor 54 is driven to reversely rotate, the locking plate 53 penetrates through the groove 55 to enter between the gaps of the plastic tray, and then the locking plate 53 is retracted into the box body 5.
The transmission member comprises two first transmission wheels 521 and a first transmission belt 522, the two first transmission wheels 521 are fixedly connected with the end parts of the two first screw rods 52 respectively, and the first transmission belt 522 is in transmission connection with the two first transmission wheels 521;
thus, when the second motor 54 drives one of the first screws 52 to rotate, the first screw 52 drives the first driving wheel 521 to rotate, and the first driving belt 522 drives the other first driving wheel 521 to rotate, so that the two first screws 52 rotate synchronously.
The lifting mechanism comprises two second screw rods 6, two sliding blocks 61, two connecting rods 62, two second driving wheels 63, a second conveying belt 64 and a third motor 65, wherein the two second screw rods 6 are rotatably assembled between the frame 11 and the base 1 and are positioned on the left side and the right side of the frame 11, the two sliding blocks 61 are respectively in threaded connection with the two second screw rods 6, one end of each connecting rod 62 is distributed and connected with the two sliding blocks 61, the other end of each connecting rod 62 is connected with the fixing plate 44, the two second driving wheels 63 are rotatably assembled on the frame 11, the upper ends of the two second screw rods 6 penetrate through the frame 11 and are respectively in driving connection with the two second driving wheels 63, the second conveying belt 64 is in driving connection with the two second driving wheels 63, a shell 66 is arranged on the outer side of the two second driving wheels 63 and the second conveying belt 64, the third motor 65 is fixedly arranged on the shell 66, and an output shaft of the third motor 65 penetrates through the shell 66 and is in driving connection with one of the second driving wheels 63;
thus, the third motor 65 is started, the third motor 65 drives one of the second driving wheels 63 to rotate, the second driving wheel 63 drives the other second driving wheel 63 to synchronously rotate through the second conveying belt 64, so that the two second screw rods 6 synchronously rotate, and as the two sliding blocks 61 are respectively in threaded connection with the two second screw rods 6 and the two sliding blocks 61 are connected with the fixed plate 44 through the two connecting rods 62, when the two second screw rods 6 synchronously rotate, the mounting seat 2 is driven to move upwards or downwards, so that the four units 21 are lifted upwards or downwards, and after the four units 21 clamp the plastic tray, the mounting seat 2 can be moved to the uppermost side of the frame 11, then the clamping of the four units 21 to the plastic tray is canceled, the plastic tray falls onto the base 1 from a high position, and the falling resistance of the plastic tray is detected.
The base 1 is provided with a positioning groove 12; by the indication of the positioning groove 12, the plastic tray is convenient for the staff to place.
Embodiment two: as shown in fig. 12, the lifting mechanism may be two second electric telescopic rods 7, the two second electric telescopic rods 7 are fixedly connected with the frame 11, and output shafts of the two second electric telescopic rods 7 are connected with the fixing plate 44, so that after the plastic pallet is clamped by the four units 21, the second electric telescopic rods 7 are started to drive the plastic pallet to move upwards, then the fixing blocks 71 are placed on the positioning grooves 12, the plastic pallet is collided with the fixing blocks 71 by starting the second electric telescopic rods 7 to move the plastic pallet downwards, the strength of the plastic pallet is detected, the position of the fixing blocks 71 is changed by a mechanical arm or other mechanisms, and the plastic pallet is repeatedly collided with the fixing blocks 71, so that the comprehensive strength detection is performed on the plastic pallet.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims of this invention, which are within the skill of those skilled in the art, can be made without departing from the spirit and scope of the invention disclosed herein.
Claims (6)
1. A plastic tray mechanical strength check out test set, its characterized in that: the lifting device comprises a base, wherein a clamping mechanism is arranged on the upper side of the base, a frame is fixedly arranged on the base, and a lifting mechanism is arranged on the frame;
the clamping mechanism comprises an installation seat, four control components and four units, wherein the installation seat is in transmission connection with the lifting mechanism, the control components are uniformly distributed on the installation seat and correspond to the four units, the four units are in rectangular distribution and are spliced into a rectangular box body, and the four units are all provided with fixing components;
the control assembly comprises a rotary seat, a U-shaped seat, a rotary shaft, a C-shaped seat, a first electric telescopic rod and an electromagnetic chuck, wherein the rotary seat is rotationally assembled in the mounting seat, a first driving component matched with the rotary seat is arranged on the upper side of the mounting seat, the end part of the U-shaped seat is connected with the rotary seat, the rotary shaft is rotationally assembled at the opening part of the U-shaped seat, the opening part of the C-shaped seat is connected with the rotary shaft, the first electric telescopic rod is fixedly arranged at the end part of the C-shaped seat, an output shaft of the first electric telescopic rod is connected with the electromagnetic chuck, a gear is fixedly arranged in the middle of the rotary shaft, and a second driving component matched with the gear is arranged on the mounting seat;
the first driving component comprises a driving gear, four driven gears, two idler gears, a protective shell and a first motor, wherein the driving gear is rotationally assembled in the middle of the upper side of the mounting seat, the four driven gears are rotationally assembled on the upper side of the mounting seat and are respectively connected with the four transposition in a transmission mode, the two driven gears are meshed and matched with the driving gear and are not adjacent to each other, the other two driven gears are in transmission connection with the driving gear through the two idler gears, the number of teeth of the idler gears is the same as the number of teeth of the driven gears, the protective shell is arranged on the driving gear, the driven gears and the outer side of the idler gears, the first motor is fixedly arranged on the outer side of the protective shell, and an output shaft of the first motor penetrates through the protective shell and is in transmission connection with the driving gear;
the second driving component comprises four sliding rods, four racks, a push plate, a plurality of stabilizer bars, a fixing plate and a cylinder, wherein the four sliding rods are respectively and slidably assembled in the openings of the U-shaped seats, the four racks are respectively arranged on the four sliding rods, the four racks are respectively matched with the four gears in a meshed manner, the four upper ends of the sliding rods are respectively and slidably connected with the push plate, the push plate is provided with a movement groove matched with the sliding rods, the stabilizer bars are uniformly fixed on the upper side of the mounting seat, the push plate is slidably connected with the stabilizer bars, the fixing plate is fixedly arranged on the stabilizer bars, the cylinder is fixedly arranged in the middle of the upper side of the fixing plate, and an output shaft of the cylinder penetrates through the fixing plate and is connected with the push plate.
2. The plastic pallet mechanical strength testing apparatus of claim 1, wherein: the four units are all made of magnetic materials.
3. The plastic pallet mechanical strength testing apparatus of claim 1, wherein: the fixing assembly comprises two groups of locking members, the two groups of locking members are arranged vertically to each other, the locking members comprise a box body, two sliding plates, first screw rods, locking plates and a second motor, the box body is fixedly arranged on the unit, the sliding plates are slidingly assembled in the box body, the number of the two first screw rods is two, the two first screw rods are rotationally assembled in the box body, the sliding plates are in threaded connection with the first screw rods, the locking plates are fixedly arranged on the sliding plates, the unit is provided with grooves matched with the sliding plates, the second motor is fixedly arranged on the box body, an output shaft of the second motor penetrates through the box body to be in transmission connection with one of the first screw rods, and a transmission part is arranged between the two first screw rods; one of the lock plate ends is provided with a lock hole, and the other lock plate end is provided with a lock block.
4. A plastic pallet mechanical strength testing apparatus according to claim 3, wherein: the transmission piece comprises two first transmission wheels and a first transmission belt, wherein the two first transmission wheels are fixedly connected with the end parts of the two first screw rods respectively, and the first transmission belt is in transmission connection with the two first transmission wheels.
5. The plastic pallet mechanical strength testing apparatus of claim 1, wherein: the lifting mechanism comprises two second screws, two sliding blocks, two connecting rods, two second driving wheels, a second conveying belt and a third motor, wherein the two second screws are rotatably assembled between the stand and the base and are positioned on the left side and the right side of the stand, the two sliding blocks are respectively in threaded connection with the two second screws, one ends of the two connecting rods are distributed and connected with the two sliding blocks, the other ends of the two connecting rods are respectively connected with the fixed plate, the two second driving wheels are rotatably assembled on the stand, the upper ends of the two second screws penetrate through the stand and are respectively in driving connection with the two second driving wheels, the second conveying belt is in driving connection with the two second driving wheels, a shell is arranged on the outer side of the second conveying belt, the third motor is fixedly arranged on the shell, and an output shaft of the third motor penetrates through the shell and is in driving connection with one of the driving wheels.
6. The plastic pallet mechanical strength testing apparatus of claim 1, wherein: the base is provided with a positioning groove.
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| CN202110884852.1A CN113533079B (en) | 2021-08-03 | 2021-08-03 | Plastic pallet mechanical strength check out test set |
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| CN202110884852.1A CN113533079B (en) | 2021-08-03 | 2021-08-03 | Plastic pallet mechanical strength check out test set |
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| CN113533079A CN113533079A (en) | 2021-10-22 |
| CN113533079B true CN113533079B (en) | 2024-03-15 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114001904B (en) * | 2021-12-30 | 2022-03-18 | 山东力乐包装股份有限公司 | Plastic tray drop test device |
| CN116858661B (en) * | 2023-09-05 | 2023-11-24 | 四川能投能源建设集团有限公司 | Concrete strength detection device for house construction |
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| CN113533079A (en) | 2021-10-22 |
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