CN107336870B - Automatic rotary double-station steel ball packaging device and method - Google Patents

Automatic rotary double-station steel ball packaging device and method Download PDF

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Publication number
CN107336870B
CN107336870B CN201710683933.9A CN201710683933A CN107336870B CN 107336870 B CN107336870 B CN 107336870B CN 201710683933 A CN201710683933 A CN 201710683933A CN 107336870 B CN107336870 B CN 107336870B
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China
Prior art keywords
bag
plastic film
cylinder
sliding block
bag clamping
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CN201710683933.9A
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CN107336870A (en
Inventor
李彦清
李弘睿
简永超
李恒旭
任涛
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Changchun University of Science and Technology
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Changchun University of Science and Technology
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Publication of CN107336870A publication Critical patent/CN107336870A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/04—Forming flat bags from webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/04—Methods of, or means for, filling the material into the containers or receptacles
    • B65B1/06—Methods of, or means for, filling the material into the containers or receptacles by gravity flow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/26—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks
    • B65B43/34—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by internal pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • 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
    • Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging

Abstract

A rotary double-station steel ball automatic packaging device and a rotary double-station steel ball automatic packaging method belong to the technical field of steel ball automatic packaging, and aim to solve the problems of low packaging efficiency, high labor intensity of workers, mixed balls caused by manual operation, spherical surface scratch and the like in the prior art. The invention comprises a supporting frame which can rotate around itself; a plastic film cylinder arranged at one side of the support frame; a bag opening mechanism arranged close to the plastic film cylinder, wherein a bag making part is arranged above the bag opening mechanism; the lower sealing mechanism is arranged at the upper end of the bag supporting mechanism; the two bag clamping mechanisms are symmetrically arranged on two sides of the upper end of the supporting frame and can move up and down relative to the supporting frame respectively, and the bag clamping mechanisms can loosen or clamp the plastic film barrel; a tray mechanism which is arranged by 180 degrees relative to the bag opening mechanism by taking the support rod as a rotation center, and a loading part is arranged above the tray mechanism; the upper sealing mechanism is arranged at the lower end of the bag clamping mechanism of the loading part, so that the plastic film cylinder is subjected to upper heat sealing; and a control system for controlling the packaging device to operate.

Description

Automatic rotary double-station steel ball packaging device and method
Technical Field
The invention belongs to the technical field of automatic steel ball packaging, and particularly relates to a rotary double-station automatic steel ball packaging device and method.
Background
At present, the packaging of small-size steel balls (the diameter is less than 10 mm) at home and abroad mostly adopts manual packaging or semi-automatic packaging. Manual packaging needs to be completed by cooperation of multiple persons, and the problems of low packaging efficiency, high labor intensity of workers, mixed balls caused by manual operation, spherical surface scratch and the like exist. Although foreign automatic steel ball packaging equipment exists, the mechanism is complex and the cost is high. For example, NTN bearing company of Japan adopts a counting type antirust packaging machine, and adopts two methods of continuously passing the steel ball to be detected through a magnetic probe and intensively passing the steel ball through the magnetic probe. Its advantage is high counting reliability. The disadvantages are high cost and low packaging efficiency. Finished steel ball packing machine KD10/4 type that French SMS company adopted uses electronic scale to weigh and carry out rust-resistant automatic packing, and the characteristics are that packing efficiency is high, the shortcoming is that the in-process always needs artifical the participation. The automation and intellectualization of industrial production are inevitable trends in development, so that the automatic lossless steel ball packaging equipment has very important significance for the automatic upgrade of steel ball production enterprises.
Disclosure of Invention
The invention aims to provide a rotary double-station steel ball automatic packaging device and a rotary double-station steel ball automatic packaging method, which solve the problems of low packaging efficiency, high labor intensity of workers, mixed balls caused by manual operation, spherical surface scratch and the like in the prior art.
In order to achieve the purpose, the automatic packaging device for the steel balls with the rotary double stations comprises:
the supporting frame comprises a supporting rod and a rotating mechanism which enables the supporting rod to rotate around the axis of the supporting rod;
a plastic film cylinder arranged at one side of the support frame;
the bag opening mechanism is arranged close to the plastic film cylinder and is used for opening the attached plastic film cylinder, and the bag making part is arranged above the bag opening mechanism;
the lower sealing mechanism is arranged at the upper end of the bag opening mechanism, so that the plastic film cylinder is cut off and heat-sealed;
the bag clamping mechanisms are symmetrically arranged on two sides of the upper end of the support frame and can move up and down relative to the support frame respectively, each bag clamping mechanism comprises bag clamping fixed blocks which are arranged oppositely and bag clamping moving blocks which are positioned between the two bag clamping fixed blocks and arranged oppositely, and the two bag clamping moving blocks move oppositely or oppositely and are separated from or attached to the bag clamping fixed blocks on the two sides respectively, so that the plastic film cylinder is loosened or clamped;
the tray mechanism is arranged by 180 degrees around the bag opening mechanism by taking the support rod as a rotation center, the tray mechanism comprises a tray body and a motion driving mechanism for driving the tray to move up and down and tilt, and a loading part is arranged above the tray mechanism;
the upper sealing mechanism is arranged at the lower end of the bag clamping mechanism of the loading part, so that the plastic film cylinder is subjected to upper heat sealing;
and a control system for controlling the packaging device to operate.
The bag supporting mechanism comprises:
the upper end of the bag opening sliding block is uniformly provided with a plurality of grooves;
the sliding block stop blocks are arranged on two sides of the bag supporting sliding block;
and the sliding block positioning rollers are arranged below two sides of the bag opening sliding block.
The bag clamping mechanism further comprises a plurality of groups of bag supporting heads arranged at the lower end of the bag clamping moving block, and the plurality of groups of bag supporting heads are matched with a plurality of grooves in the upper end of the bag supporting sliding block.
The rotating mechanism is a rotating cylinder, and the rotating cylinder drives the supporting rod to rotate around the axis of the rotating cylinder; bag clamping mechanism can be relatively the support frame up-and-down motion specifically do: each bag clamping mechanism is connected with the output end of one first lifting cylinder; the relative or opposite movement of the two bag clamping moving blocks is specifically as follows: the two bag clamping moving blocks are respectively connected with the output end of a first pushing cylinder.
Go up the mechanism of sealing includes:
two upper heat sealing heads which are oppositely arranged;
and the second pushing cylinder drives the upper heat sealing heads to move relatively or oppositely.
The lower sealing mechanism comprises:
two lower heat sealing heads which are oppositely arranged;
a lower cut sheet resistor arranged on the lower heat sealing head;
the second lifting cylinder drives the lower heat sealing head to move up and down;
and the third pushing cylinder drives the lower heat sealing head to move relatively or oppositely.
The motion drive mechanism includes:
the screw rod nut pair and the guide rod are vertically arranged, and a nut in the screw rod nut pair is in sliding fit with the guide rod;
a slide rail arranged vertically;
the sliding block is in sliding fit with the sliding rail and is hinged with the tray body, and the tray body inclines to one side in a natural state; the lower end of one side of the tray body which inclines downwards is contacted with the upper end of a nut in the screw-nut pair,
and the stepping motor is connected with one end of a screw rod in the screw rod nut pair.
The automatic packaging method based on the rotary double-station steel ball automatic packaging device comprises the following steps:
the method comprises the following steps: placing the bag opening sliding block into the plastic film cylinder to enable the end part of the plastic film cylinder to be flush with the top of the bag opening sliding block;
step two: the bag clamping mechanism positioned at the bag making part is driven to the bag opening sliding block through the first lifting cylinder, so that a bag opening head extends into a groove of the bag opening sliding block, the two bag clamping moving blocks are controlled to move oppositely through the first pushing cylinder to clamp the upper end of the plastic film barrel, and the control system controls the first lifting cylinder to drive the clamping mechanism to move upwards to an upper initial position;
step three: the control system controls the second lifting cylinder to drive the lower sealing mechanism to move upwards to a position 2-3mm above the bag supporting sliding block, the third pushing cylinder drives the two lower heat sealing heads to move relatively to carry out heat sealing and cutting on the plastic film cylinder, the plastic film cylinder returns to the initial position, and the second lifting cylinder drives the lower sealing mechanism to move downwards to the lower initial position;
step four: the rotary cylinder drives the two bag clamping mechanisms to rotate 180 degrees;
step five: the clamping mechanism positioned at the bag making part repeats the steps from the second step to the third step to make a bag; a bag clamping mechanism positioned at the loading part is used for carrying out steel ball bagging, upper sealing and releasing the plastic film cylinder filled with the steel balls;
step six: and repeating the step four to the step five to circularly bag and load the steel balls until the loading of all the steel balls is completed.
The step three of heat-sealing and cutting the plastic film cylinder specifically comprises the following steps: the control system controls the lower heat-sealing head to heat-seal the plastic film cylinder and then controls the lower cutting sheet resistor disc to cut off the plastic film cylinder.
The bag clamping mechanism positioned in the loading part in the step five specifically processes of steel ball bagging, upper sealing and releasing the plastic film cylinder filled with the steel balls:
1) The stepping motor drives the screw rod to lift the tray body to be horizontal, then the tray body moves upwards to a position which is less than 20mm below a bag opening head of the clamping mechanism of the loading part, and the ball injection is started;
2) In the ball injection process, the stepping motor drives the tray body to move downwards by a distance less than the length of the packaging bag until all the steel balls fall into the bag;
3) After the ball injection is finished, the stepping motor drives the screw rod to enable the tray body to move upwards to support the packaging bag filled with the steel balls;
4) The second pushing cylinder drives the two upper heat sealing heads to move relatively for heat sealing and returns to the initial position;
5) A first pushing cylinder of a clamping mechanism positioned on the loading part drives two bag clamping moving blocks to move relatively to release the plastic film barrel filled with the steel balls;
6) The stepping motor drives the lead screw to lower the tray body to an initial position, the tray returns to an initial inclined state, and the plastic film cylinder filled with the steel balls slides out.
The invention has the beneficial effects that: the invention relates to a rotary double-station steel ball automatic packaging device and a method, which mainly comprise a bag making device at one side station, a ball injecting device rotating to the other side station, a movable tray for reducing the fall of steel balls and a bag discharging device. The bag making device adopts a bag opening sliding block with a groove to be arranged in the plastic film cylinder to open the bag opening, and when the plastic film cylinder is lifted, the bag opening sliding block relatively slides in the bag cylinder by means of self weight to form an empty bag. Then the bag bottom is thermally sealed above the bag opening slide block and is thermally cut off at the same time. Rotating 180 degrees to another station to wait for filling the ball. When the balls are injected, the tray is moved upwards to ensure that the fall of the steel balls is less than 20mm according to the packaging requirement, so that the steel balls are not scratched and damaged in the ball injection process. And the tray descends simultaneously in the ball injection process until the ball injection is completed. And after the ball injection is finished, the upper opening is heat-sealed, the tray descends to the lowest position and inclines simultaneously, and a bag of packaged steel balls automatically slides out along the inclined plane by means of self weight. The rotary double stations have the advantages that under the time-sharing control of a computer, ball injection and bag making can be simultaneously carried out, and the working efficiency of the packaging machine is improved.
The rotary double-station steel ball automatic packaging device and the method realize continuous bag making and packaging in a mode of pulling the bags upwards from the lower part, and the packaging process is completely automatic; the bag opening is realized by the way that the bag opening sliding block slides in the plastic film cylinder by self weight, and the bag is made by the way of up-and-down two-time heat sealing of the plastic film cylinder. And double-station bag making and packaging are realized through the rotary cylinder, so that the working efficiency is improved. The invention can be used for packaging other similar products. The rotary double-station automatic steel ball packaging device and method can realize the packaging of small-size steel balls with all specifications, sizes and quantities, and have the advantages of simple mechanism and lower cost.
Drawings
FIG. 1 is a schematic view of the overall structure of a rotary double-station steel ball automatic packaging device of the present invention;
FIG. 2 is a schematic diagram of the overall structure of the automatic rotary double-station steel ball packaging device of the invention;
FIG. 3 is a sectional view of a bag clamping mechanism in the automatic packaging device for steel balls with two rotary stations of the present invention;
FIG. 4 is a schematic diagram of a bag-opening mechanism in the automatic rotary double-station steel ball packaging device of the invention;
FIG. 5 is a lower sealing mechanism in the automatic rotary double-station steel ball packaging device of the invention;
FIG. 6 is a schematic diagram of a bag making process of the rotary double-station steel ball automatic packaging device of the present invention;
FIG. 7 is a schematic view of the ball injection process of the automatic rotary double-station steel ball packaging device of the present invention;
FIG. 8 is a schematic diagram of a bag discharging process of the automatic rotary double-station steel ball packaging device of the present invention;
wherein: 1. the bag opening and closing device comprises a support frame, 101, a support rod, 102, a rotary cylinder, 2, a bag clamping mechanism, 201, a bag clamping moving block, 202, a bag clamping fixed block, 203, a bag opening head, 204, a first pushing cylinder, 205, a first lifting cylinder, 3, an upper sealing mechanism, 301, an upper heat sealing head, 302, a second pushing cylinder, 4, a bag opening mechanism, 401, a bag opening sliding block, 402, a sliding block positioning roller, 403, a sliding block stop, 404, a groove, 5, a lower sealing mechanism, 501, a lower heat sealing head, 502, a third pushing cylinder, 503, a second lifting cylinder, 6, a tray mechanism, 601, a tray body, 602, a stepping motor, 603, a lead screw nut pair, 604, a guide rod, 605, a sliding rail, 606, a sliding block, 7, a plastic film barrel, 8 and a control system.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
Referring to the attached fig. 1-3, the automatic packaging device for the steel balls with the rotary double stations comprises:
the support frame 1 comprises a support rod 101 and a rotating mechanism which enables the support rod 101 to rotate around the axis of the support rod 101;
a plastic film cylinder 7 arranged at one side of the support frame 1;
the bag opening mechanism 4 is arranged close to the plastic film cylinder 7 and is used for opening the attached plastic film cylinder 7, and a bag making part is arranged above the bag opening mechanism 4;
the lower sealing mechanism 5 is arranged at the upper end of the bag opening mechanism 4 to realize the cutting and heat sealing of the plastic film cylinder 7;
the bag clamping mechanisms 2 are symmetrically arranged on two sides of the upper end of the support frame 1 and can respectively move up and down relative to the support frame 1, each bag clamping mechanism 2 comprises a bag clamping fixed block 202 and a bag clamping moving block 201, the bag clamping fixed blocks 202 are oppositely arranged, the bag clamping moving blocks 201 are located between the two bag clamping fixed blocks 202 and are oppositely arranged, the two bag clamping moving blocks 201 move oppositely or oppositely and are respectively separated from or attached to the bag clamping fixed blocks 202 on the two sides, and therefore loosening or clamping of the plastic film cylinder 7 is achieved;
the tray mechanism 6 is arranged by taking the support rod 101 as a rotation center and 4180 degrees relative to the bag opening mechanism, the tray mechanism 6 comprises a tray body 601 and a motion driving mechanism for driving the tray to move up and down and to tilt, and a loading part is arranged above the tray mechanism 6;
the upper sealing mechanism 3 is arranged at the lower end of the bag clamping mechanism 2 of the loading part, and realizes the upper heat sealing of the plastic film cylinder 7;
and a control system 8, wherein the control system 8 controls the packaging device to act.
Referring to fig. 4, the bag opening mechanism 4 includes:
the bag opening sliding block 401 is provided with four grooves 404 uniformly at the upper end of the bag opening sliding block 401;
slide block stoppers 403 arranged on both sides of the bag-supporting slide block 401;
and slider positioning rollers 402 disposed below both sides of the bag-supporting slider 401. The bag supporting sliding block 401 is used for being arranged in a plastic film cylinder to enable the opening of the plastic film cylinder 7 to be opened to a certain width, the plastic film cylinder is located at a stable vertical position through the sliding block positioning roller 402 and the sliding block stopper 403, and when the plastic film cylinder 7 is lifted and pulled, the bag supporting sliding block 401 does not move at the original position by means of self weight and slides relative to the plastic cylinder to form an empty bag with a certain length. The bag opening sliding block 401 adopted in the design of the packaging machine is provided with a plurality of grooves 404, and the grooves 404 are matched with the bag clamping mechanism 2, so that the bag opening head 203 of the bag clamping mechanism 2 can extend into the grooves 404, and the opening of the packaging bag can be opened through the movement of the first pushing cylinder 204;
the bag clamping mechanism 2 further comprises four groups of bag supporting heads 203 arranged at the lower end of the bag clamping moving block 201, and the four groups of bag supporting heads 203 are matched with four grooves 404 at the upper end of the bag supporting sliding block 401.
The rotating mechanism is a rotating cylinder 102, and the rotating cylinder 102 drives the support rod 101 to rotate around the axis of the support rod; the bag clamping mechanism 2 can move up and down relative to the support frame 1, and specifically comprises: each bag clamping mechanism 2 is connected with the output end of a first lifting cylinder 205; the relative or opposite movement of the two bag clamping moving blocks 201 is specifically as follows: the two bag clamping moving blocks 201 are respectively connected with the output end of a first pushing cylinder 204.
The upper sealing mechanism 3 includes:
two upper heat seal heads 301 disposed opposite to each other;
and a second pushing cylinder 302 for moving the upper heat seal 301 up and down relatively or in opposite directions.
Referring to fig. 5, the lower sealing mechanism 5 includes:
two lower heat sealing heads 501 arranged oppositely;
a lower cut sheet resistor disposed on the lower heat seal head 501;
a second lifting cylinder 503 capable of driving the lower heat sealing head 501 to move up and down;
and a third pushing cylinder 502 for moving the lower heat seal 501 relatively or oppositely.
The motion drive mechanism includes:
the lead screw nut pair 603 and the guide rod 604 are vertically arranged, and a nut in the lead screw nut pair 603 is in sliding fit with the guide rod 604;
a vertically disposed slide rail 605;
the sliding block 606 is in sliding fit with the sliding rail 605, the sliding block 606 is hinged with the tray body 601, and the tray body 601 is inclined to one side in a natural state; the lower end of one side of the tray body 601 inclining downwards contacts with the upper end of a nut in the lead screw nut pair 603,
and a stepping motor 602 connected to one end of a lead screw in the lead screw nut pair 603.
Referring to the attached fig. 6-8, the automatic packaging method based on the rotary double-station steel ball automatic packaging device comprises the following steps:
the method comprises the following steps: putting the bag opening sliding block 401 into the plastic film cylinder 7, so that the end part of the plastic film cylinder 7 is flush with the top of the bag opening sliding block 401, and the width of the bag opening sliding block 401 is smaller than that of the plastic film cylinder 7;
step two: the bag clamping mechanism 2 located at the bag making part is driven to the bag opening sliding block 401 through the first lifting cylinder 205, so that the bag opening head 203 extends into a groove 404 of the bag opening sliding block 401, at the moment, two sides of the end part of the plastic film cylinder 7 respectively extend into a space between the bag clamping moving block 201 and the bag clamping fixed block 202, the two bag clamping moving blocks 201 are controlled to move oppositely through the first pushing cylinder 204, the bag pre-clamping fixed block 202 is matched with and clamps the upper end of the plastic film cylinder 7, meanwhile, the bag opening head 203 opens a plastic film port to a certain width, and the control system 8 controls the first lifting cylinder 205 to drive the clamping mechanism to move upwards to an upper initial position;
step three: the control system 8 controls the second lifting cylinder 503 to drive the lower sealing mechanism 5 to move upwards to a position 2-3mm above the bag opening slide block 401, the third pushing cylinder 502 drives the two lower heat sealing heads 501 to move relatively to carry out heat sealing and cutting on the plastic film cylinder 7, the plastic film cylinder returns to the initial position, and the second lifting cylinder 503 drives the lower sealing mechanism 5 to move downwards to the lower initial position;
step four: the rotating cylinder 102 drives the two bag clamping mechanisms 2 to rotate 180 degrees, so that the bag clamping mechanism 2 in the bag making part rotates to the loading part to wait for ball injection, and the bag clamping mechanism 2 in the loading part rotates to the bag making part to continuously make bags;
step five: the clamping mechanism positioned at the bag making part repeats the steps from the second step to the third step to make a bag; the bag clamping mechanism 2 positioned at the loading part carries out steel ball bagging, upper sealing and release of a plastic film cylinder 7 filled with steel balls;
step six: and repeating the fourth step to the fifth step to circularly bag and load the steel balls until the loading of all the steel balls is completed.
The heat-sealing and cutting of the plastic film cylinder 7 in the third step is specifically as follows: the control system 8 controls the lower heat sealing head 501 to heat seal the plastic film cylinder 7, and controls the lower cutting sheet resistor disc to cut off the plastic film cylinder 7.
Taking a packaging bag with a bag length of 300mm as an example, the bag clamping mechanism 2 positioned at the loading part in the fifth step performs the specific processes of steel ball bagging, upper sealing and releasing the plastic film tube 7 filled with the steel balls:
1) The stepping motor 602 drives the screw rod to lift the tray body 601 to be horizontal and then move upwards to a position which is less than 20mm below the bag opening head 203 of the clamping mechanism positioned at the loading part, so that the steel balls are prevented from breaking the bag bottom after heat sealing during ball injection, the steel balls are prevented from being damaged due to mutual violent impact, and then the ball injection is started;
2) The stepping motor 602 drives the rubbing body to slowly move downwards in the steel ball loading process until all the steel balls fall into the bag, and in the embodiment, the stepping motor 602 drives the tray body 601 to move downwards by 100mm so as to ensure that all the steel balls fall into the bag;
3) After the ball injection is completed, the stepping motor 602 drives the screw nut pair 603 to move the tray body 601 up to support the packaging bag, which is supported by 40mm in this embodiment, so as to ensure that the plastic bag tube filled with the steel ball is in a loose state during heat sealing, so as to prevent the heat sealing position from being torn due to the gravity of the steel ball during heat sealing; preventing unnecessary damage such as tearing caused by excessive stretching of the bag when the upper heat seal is carried out;
4) The second pushing cylinder 302 drives the two upper heat sealing heads 301 to move relatively for heat sealing, and returns to the initial position;
5) A first pushing cylinder 204 of the clamping mechanism positioned at the loading part drives two bag clamping moving blocks 201 to move relatively to release the plastic film cylinder 7 filled with the steel balls;
6) The stepping motor 602 drives the tray body 601 to descend to the initial position, the tray returns to the initial inclined state, and the plastic film cylinder 7 filled with the steel balls slides out.
The moving, opening and closing positions, sequences and time of each kinematic pair are controlled by the control system 8 in the whole packaging process, and ordered actions are realized.
The whole operation that loads needs lift cylinder and revolving cylinder 102 to drive, lift cylinder and revolving cylinder 102's perpendicular configuration, guaranteed that station conversion, bag making and dress ball process go on, tray body 601 fixes on the guide block on guide bar 604, initial condition has certain inclination, annotate during the ball, it holds up tray body 601 earlier to drive the sliding pair wherein by step motor 602, makes tray body 601 level, later drive tray body 601 and rise to annotate the ball position along guide bar 604. When the steel ball bag is taken out, the stepping motor 602 drives the sliding pair therein to slowly fall to the lowest point, the tray body 601 also falls along the guide rod 604 against the self weight at the same time, and finally returns to the initial inclined state, so that the steel ball bag after the bag is taken can slide out along the tray.
The design of the lifting and rotating device in the invention needs to meet the following requirements:
1) The variation error of the lifting height is less than 1cm (ensuring the normal operation of steel ball package and the requirement of lossless package;
2) The rotating device needs to ensure the smooth operation of ball loading, the conditions of steel ball leakage, device interference and the like are avoided, and the positioning is accurate;
3) The motion limit of the two devices must be accurate, and the motion process needs to be rapid.
The cutting adopted by the invention adopts a heating cutting mode. The cutter adopts a sheet resistance sheet mode to carry out heating cutting, when the cutter is used for cutting, the cutter is firstly electrified, then the third pushing air cylinder 502 starts to move, the lower heat sealing head 501 presses the seal to carry out sealing while the plastic film bag is cut, and after the seal is carried out, the lower heat sealing head 501 is separated, and the seal is finished. The lower heat-sealing head 501 is heated by an electric heating tube, the temperature is adjusted by millisecond heating time control, the pressure required by heat sealing is realized by air pressure transmission of an air cylinder, the lower heat-sealing head 501 is fixed on a third pushing air cylinder 502 to complete heat sealing and sealing by the movement of the third pushing air cylinder 502, and a layer of PVC high-temperature-resistant adhesive tape is pasted at the lower heat-sealing head 501 to protect a film and enable a heat-sealing interface to be smoother.
According to the functions and the actual needs of the lower heat sealing head 501 of the automatic steel ball packaging machine which are required to be realized, the traditional lower heat sealing head 501 is improved only by a single sealing function, so that the sealing and the cutting of a bag barrel are completed simultaneously in one action, only the third pushing cylinder 502 is needed to perform one-time transverse opening and closing movement, an action mechanism is simplified, the structural space is saved, and the packaging efficiency is improved.

Claims (10)

1. Rotatory duplex position steel ball automatic packaging device, its characterized in that includes:
the supporting frame (1) comprises a supporting rod (101) and a rotating mechanism which enables the supporting rod (101) to rotate around the axis of the supporting rod (101);
a plastic film cylinder (7) arranged on one side of the support frame (1);
the bag opening mechanism (4) is arranged close to the plastic film cylinder (7) and is used for opening the attached plastic film cylinder (7), and a bag making part is arranged above the bag opening mechanism (4);
the lower sealing mechanism (5) is arranged at the upper end of the bag opening mechanism (4) and is used for cutting and heat sealing the plastic film cylinder (7);
the bag clamping mechanisms (2) are symmetrically arranged on two sides of the upper end of the support frame (1) and can respectively move up and down relative to the support frame (1), each bag clamping mechanism (2) comprises a bag clamping fixed block (202) which is arranged oppositely and a bag clamping moving block (201) which is arranged between the two bag clamping fixed blocks (202) and is arranged oppositely, and the two bag clamping moving blocks (201) move oppositely or in opposite directions to be respectively separated from or attached to the bag clamping fixed blocks (202) on the two sides, so that the plastic film barrel (7) is loosened or clamped;
the tray mechanism (6) is arranged by 180 degrees around the bag opening mechanism (4) by taking the support rod (101) as a rotation center, the tray mechanism (6) comprises a tray body (601) and a motion driving mechanism for driving the tray to move up and down and tilt, and a loading part is arranged above the tray mechanism (6);
an upper sealing mechanism (3) arranged at the lower end of the bag clamping mechanism (2) of the loading part realizes the upper heat sealing of the plastic film cylinder (7);
and a control system (8), wherein the control system (8) controls the packaging device to act.
2. The automatic packaging device of steel balls in rotary double station according to claim 1, characterized in that said bag-opening mechanism (4) comprises:
the bag opening sliding block (401), wherein a plurality of grooves (404) are uniformly formed in the upper end of the bag opening sliding block (401);
the sliding block stoppers (403) are arranged on two sides of the bag supporting sliding block (401);
and sliding block positioning rollers (402) arranged below two sides of the bag opening sliding block (401).
3. The automatic packaging device for the steel balls according to claim 2, wherein the bag clamping mechanism (2) further comprises a plurality of groups of bag supporting heads (203) arranged at the lower end of the bag clamping moving block (201), and the plurality of groups of bag supporting heads (203) are matched with a plurality of grooves (404) at the upper end of the bag supporting sliding block (401).
4. The automatic packaging device for the steel balls at the double rotating stations as claimed in claim 1, wherein the rotating mechanism is a rotating cylinder (102), and the rotating cylinder (102) drives the supporting rod (101) to rotate around the axis of the supporting rod;
bag clamping mechanism (2) can be relative support frame (1) up-and-down motion specifically do: each bag clamping mechanism (2) is connected with the output end of a first lifting cylinder (205);
the relative or opposite movement of the two bag clamping moving blocks (201) is specifically as follows: the two bag clamping moving blocks (201) are respectively connected with the output end of a first pushing cylinder (204).
5. The automatic packaging device of steel balls in rotary double station according to claim 1, characterized in that said upper sealing mechanism (3) comprises:
two upper heat sealing heads (301) which are oppositely arranged;
and a second pushing cylinder (302) which drives the upper heat sealing head (301) to move relatively or oppositely.
6. The automatic packaging device of steel balls in double rotary stations according to claim 1, characterized in that said lower closing mechanism (5) comprises:
two lower heat sealing heads (501) which are oppositely arranged;
a lower cut-off sheet resistor disposed on the lower heat seal head (501);
a second lifting cylinder (503) which drives the lower heat sealing head (501) to move up and down;
and a third pushing cylinder (502) which drives the lower heat sealing head (501) to move relatively or oppositely.
7. The automatic rotary double-station steel ball packaging device according to claim 1, wherein the motion driving mechanism comprises:
the lead screw and nut pair comprises a lead screw and nut pair (603) and a guide rod (604), wherein the lead screw and nut pair (603) is vertically arranged, and a nut in the lead screw and nut pair is in sliding fit with the guide rod (604);
a vertically arranged slide rail (605);
the sliding block (606) is in sliding fit with the sliding rail (605), the sliding block (606) is hinged with the tray body (601), and the tray body (601) is inclined to one side in a natural state; the lower end of one side of the tray body (601) which inclines downwards is contacted with the upper end of a nut in the screw-nut pair (603),
and a stepping motor (602) connected with one end of a lead screw in the lead screw nut pair (603).
8. The automatic packaging method based on the rotary double-station steel ball automatic packaging device is characterized by comprising the following steps of:
rotatory duplex position steel ball automatic packaging device includes:
the supporting frame (1) comprises a supporting rod (101) and a rotating mechanism which enables the supporting rod (101) to rotate around the axis of the supporting rod (101);
a plastic film cylinder (7) arranged on one side of the support frame (1);
the bag opening mechanism (4) is arranged close to the plastic film cylinder (7) and is used for opening the attached plastic film cylinder (7), and a bag making part is arranged above the bag opening mechanism (4);
the lower sealing mechanism (5) is arranged at the upper end of the bag opening mechanism (4) and is used for cutting and heat sealing the plastic film cylinder (7);
the bag clamping mechanisms (2) are symmetrically arranged on two sides of the upper end of the support frame (1) and can respectively move up and down relative to the support frame (1), each bag clamping mechanism (2) comprises a bag clamping fixed block (202) which is arranged oppositely and a bag clamping moving block (201) which is arranged between the two bag clamping fixed blocks (202) and is arranged oppositely, and the two bag clamping moving blocks (201) move oppositely or in opposite directions to be respectively separated from or attached to the bag clamping fixed blocks (202) on the two sides, so that the plastic film barrel (7) is loosened or clamped;
the tray mechanism (6) is arranged by 180 degrees around the bag opening mechanism (4) by taking the support rod (101) as a rotation center, the tray mechanism (6) comprises a tray body (601) and a motion driving mechanism for driving the tray to move up and down and tilt, and a loading part is arranged above the tray mechanism (6);
an upper sealing mechanism (3) arranged at the lower end of the bag clamping mechanism (2) of the loading part realizes the upper heat sealing of the plastic film cylinder (7);
and a control system (8), wherein the control system (8) controls the packaging device to act;
the bag opening mechanism (4) comprises:
the bag opening sliding block (401), wherein a plurality of grooves (404) are uniformly formed in the upper end of the bag opening sliding block (401);
the sliding block stoppers (403) are arranged on two sides of the bag supporting sliding block (401);
and slider positioning rollers (402) arranged below two sides of the bag opening slider (401);
the bag clamping mechanism (2) further comprises a plurality of groups of bag supporting heads (203) arranged at the lower end of the bag clamping moving block (201), and the plurality of groups of bag supporting heads (203) are matched with a plurality of grooves (404) at the upper end of the bag supporting sliding block (401);
the rotating mechanism is a rotating cylinder (102), and the rotating cylinder (102) drives the supporting rod (101) to rotate around the axis of the rotating mechanism;
bag clamping mechanism (2) can be relative support frame (1) up-and-down motion specifically do: each bag clamping mechanism (2) is connected with the output end of a first lifting cylinder (205);
the relative or opposite movement of the two bag clamping moving blocks (201) is specifically as follows: the two bag clamping moving blocks (201) are respectively connected with the output end of a first pushing cylinder (204);
the upper sealing mechanism (3) comprises:
two upper heat-seal heads (301) arranged oppositely;
and a second pushing cylinder (302) which drives the upper heat sealing head (301) to move relatively or oppositely;
the lower sealing mechanism (5) comprises:
two lower heat sealing heads (501) which are oppositely arranged;
a lower cut-off sheet resistor disposed on the lower heat seal head (501);
a second lifting cylinder (503) which drives the lower heat sealing head (501) to move up and down;
and a third pushing cylinder (502) which drives the lower heat sealing head (501) to move relatively or oppositely;
the motion drive mechanism includes:
the lead screw and nut pair comprises a lead screw and nut pair (603) and a guide rod (604), wherein the lead screw and nut pair (603) is vertically arranged, and a nut in the lead screw and nut pair is in sliding fit with the guide rod (604);
a vertically arranged slide rail (605);
the sliding block (606) is in sliding fit with the sliding rail (605), the sliding block (606) is hinged with the tray body (601), and the tray body (601) is inclined to one side in a natural state; the lower end of one side of the tray body (601) which inclines downwards is contacted with the upper end of a nut in the screw-nut pair (603),
the stepping motor (602) is connected with one end of a lead screw in the lead screw nut pair (603);
the automatic packaging method comprises the following steps:
the method comprises the following steps: putting the bag opening sliding block (401) into the plastic film cylinder (7) to enable the end part of the plastic film cylinder (7) to be flush with the top of the bag opening sliding block (401);
step two: the bag clamping mechanism (2) located in the bag making part is driven to the bag opening sliding block (401) through the first lifting air cylinder (205), so that a bag opening head (203) extends into a groove (404) of the bag opening sliding block (401), the two bag clamping moving blocks (201) are controlled to move oppositely through the first pushing air cylinder (204) to clamp the upper end of the plastic film cylinder (7), and the first lifting air cylinder (205) is controlled by the control system (8) to drive the clamping mechanism to move upwards to an upper initial position;
step three: the control system (8) controls the second lifting cylinder (503) to drive the lower sealing mechanism (5) to move upwards to a position 2-3mm above the bag supporting sliding block (401), the third pushing cylinder (502) drives the two lower heat sealing heads (501) to move relatively to carry out heat sealing and cutting on the plastic film cylinder (7), the plastic film cylinder returns to the initial position, and the second lifting cylinder (503) drives the lower sealing mechanism (5) to move downwards to the initial position below;
step four: the rotary cylinder (102) drives the two bag clamping mechanisms (2) to rotate 180 degrees;
step five: the clamping mechanism positioned at the bag making part repeats the steps from the second step to the third step to make a bag; a bag clamping mechanism (2) positioned at the loading part is used for carrying out steel ball bagging, upper sealing and releasing a plastic film cylinder (7) filled with steel balls;
step six: and repeating the step four to the step five to circularly bag and load the steel balls until the loading of all the steel balls is completed.
9. The automatic packaging method of the steel balls with the double rotating stations as claimed in claim 8, wherein the heat-sealing and cutting of the plastic film cylinder (7) in the third step is specifically as follows: the control system (8) controls the lower heat sealing head (501) to carry out heat sealing on the plastic film cylinder (7) and then controls the lower cutting sheet resistor disc to cut off the plastic film cylinder (7).
10. The automatic packaging method of steel balls with double rotating stations as claimed in claim 8, wherein the bag clamping mechanism (2) located in the loading part in the fifth step performs the specific processes of steel ball bagging, upper sealing and releasing plastic film cylinders (7) filled with steel balls:
1) a stepping motor (602) drives a lead screw to lift a tray body (601) to be horizontal, then the tray body moves upwards to a position which is less than 20mm below a bag opening head (203) of a clamping mechanism of a loading part, and ball injection is started;
2) In the ball injection process, the stepping motor (602) drives the tray body (601) to move downwards by a distance less than the length of the packaging bag until all the steel balls fall into the bag;
3) After the ball injection is finished, the stepping motor (602) drives the lead screw to enable the tray body (601) to move upwards to support the packaging bag filled with the steel ball;
4) The second pushing air cylinder (302) drives the two upper heat sealing heads (301) to move relatively for heat sealing, and returns to the initial position;
5) A first pushing cylinder (204) of a clamping mechanism positioned at the loading part drives two bag clamping moving blocks (201) to move relatively to release a plastic film cylinder (7) filled with steel balls;
6) The stepping motor (602) drives the screw rod to lower the tray body (601) to an initial position, the tray returns to an initial inclined state, and the plastic film cylinder (7) filled with the steel balls slides out.
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CN110065671A (en) * 2019-06-05 2019-07-30 福州大学 A kind of separation of solidliquid mixture, packing apparatus and its working method
CN114056666B (en) * 2021-12-20 2023-08-25 常德绿润德环保科技有限公司 Cutlery box packagine machine
CN116142588B (en) * 2022-12-22 2024-04-16 中信重工机械股份有限公司 Intelligent ball feeding machine for adding various types of steel balls

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