CN111823432B - Automatic weighing method for rubber parts - Google Patents
Automatic weighing method for rubber parts Download PDFInfo
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- CN111823432B CN111823432B CN202010763051.5A CN202010763051A CN111823432B CN 111823432 B CN111823432 B CN 111823432B CN 202010763051 A CN202010763051 A CN 202010763051A CN 111823432 B CN111823432 B CN 111823432B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/22—Component parts, details or accessories; Auxiliary operations
- B29B7/24—Component parts, details or accessories; Auxiliary operations for feeding
- B29B7/242—Component parts, details or accessories; Auxiliary operations for feeding in measured doses
- B29B7/244—Component parts, details or accessories; Auxiliary operations for feeding in measured doses of several materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/22—Component parts, details or accessories; Auxiliary operations
- B29B7/28—Component parts, details or accessories; Auxiliary operations for measuring, controlling or regulating, e.g. viscosity control
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- Weight Measurement For Supplying Or Discharging Of Specified Amounts Of Material (AREA)
Abstract
The invention belongs to the technical field of rubber part batching, and particularly relates to an automatic weighing method for a rubber part; the method comprises the following steps: s1: starting preparation; s2: preparing a formula; s3: confirming on site; s4: downloading a formula; s5': automatic alarm is carried out; s5: weighing and blanking; s5': checking the ingredients; s6: collecting raw materials; a blanking pipe is arranged at the bin opening at the upper end of the discharging bin, and discharging spiral blades are rotationally arranged in the discharging bin through a conveying shaft; a discharging plate is arranged below the discharging spiral blade; the discharging plate is provided with a discharging port; a conveying pipe is fixed on the side wall below the discharging bin and is communicated with the inner bin of the discharging bin; a spiral conveying blade is rotatably arranged in the conveying pipe through a conveying shaft, and a discharging pipe is communicated with the position right below the conveying pipe; a sealing sliding plate is inserted in the discharging pipe in a sliding manner, and a metering scale is arranged on the sealing sliding plate; the check of weight rechecking can be carried out to multiple batching, and then the function of the quick, efficient and accurate automatic batching of the batching of rubber spare has been realized.
Description
Technical Field
The invention belongs to the technical field of rubber part batching, and particularly relates to an automatic weighing method for rubber parts.
Background
In the production process of the chemical industry, the mixture ratio is an important production process, the mixture ratio speed and the accuracy have important influence on the mixture quality, the existing material taking mode generally adopts manual weighing, the whole operation process is troublesome, the manpower is occupied, the error ratio is large, and the quality accident is easy to occur in the mixture ratio process due to the existence of human factors; in order to solve the above problems, some automated ingredient weighing has also appeared in recent years.
Chinese patent discloses a material automatic weighing device, application thereof and a material automatic weighing method, and the patent application number is 2015104456338, including feed arrangement, weighing device and electrical control system, feed arrangement includes quick feed arrangement, delivery sheet, striker plate, sieve, vibratory feeder, and weighing device includes weighing steelframe, weighing sensor, weighing hopper, row material sealed cowling, hopper door subassembly and connects the storage bucket.
The above-mentioned content can realize the function of automatic weighing of the ingredients; but when the kind of batching is more, and the weight of each kind of batching is different, needs a plurality of automatic weighing device to weigh the operation alone to multiple batching, and this kind of mode needs the total weight of manual calculation batching equally, when the weight of batching appears has the error simultaneously, then can influence the phenomenon of the normal stable batching of follow-up batching, and then the phenomenon of the automatic high-efficient accurate weighing of the batching of influence rubber spare.
In view of this, in order to overcome the above technical problems, the present company has designed and developed an automatic weighing method for rubber parts, and has made a special automatic weighing method for ingredients of rubber parts, so as to solve the above technical problems.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides the automatic weighing method for the rubber piece, which is mainly used for solving the problems that when the types of ingredients are more and the weight of each ingredient is different, a plurality of automatic weighing devices are required to independently weigh the ingredients, the total weight of the ingredients also needs to be calculated manually, and meanwhile, if the weight of the ingredients has errors, the normal and stable ingredients of the subsequent ingredients can be influenced, so that the automatic, efficient and accurate weighing of the ingredients of the rubber piece is influenced.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to an automatic weighing method for rubber pieces, which comprises the following steps:
s1: preparation for starting: turning on a switch of the required equipment, turning on an icon of an automatic weighing and batching system on a desktop of a double-click display screen of an upper computer, logging in the automatic weighing and batching system, and checking a rubber mixing production plan; checking whether the corresponding raw materials of each charging bucket are sufficient; preparing raw materials required by ingredients; the work of this step is in order to confirm whether 8802 weight instrument, upper computer system, man-machine control cabinet and PLC's communication is normal: whether the corresponding communication state indicator lamp is normal or not; check the mechanical architecture of the batching line and the independent scale: the material storage tank, the metering controlled discharging equipment, the tank scale and the automatic shifting assembly line are in a normal state;
s2: preparing a formula: clicking 'formula management' after entering an upper computer interface, entering a formula management picture, clicking any formula name in a formula list, entering a 'modified formula' page, confirming the formula name, the total number of the formula, the bin number and the corresponding raw material name, the remark of the raw material, the target value and the allowance value, and setting and confirming material information to meet the operation requirement under the normal condition; then storing and exiting;
s3: and (3) field confirmation: confirming that relevant conditions on site are normal, including compressed air supply; sleeving a charging bag on a charging barrel and positioning the charging barrel at a first position of a conveying belt at a batching inlet; whether the power supply of the groove scale and the connection motor entering the assembly line is normal or not; in the step, if the charging basket is not positioned on a weighing platform of a tank scale at a batching inlet, batching cannot be carried out; the maximum weighing of the tank is 30KG, the sensing amount is 0.005KG, and articles and personnel exceeding the rated weight are prevented from being pressed by weight or pushing the platform left and right;
s4: downloading a formula: clicking a real-time monitoring button on an upper computer interface, entering a real-time monitoring picture, and confirming that a target value and a setting on a material tank of each bin position under an automatic weighing and batching system meet the operation requirement; when the upper computer interface displays that the 'communication' and the 'download permission' are green, the downloading can be indicated, and the 'download permission' is displayed in a green mode, and the recipe is downloaded to the PLC;
s5: weighing and blanking: pressing a 'starting system' button on a panel of a main control electronic box, conveying the charging basket by each linear conveying belt, when the equipment automatically senses the charging basket, pushing the charging basket forwards by a conveying chain pull rod to enter the position under metering controlled discharging equipment arranged at a first bin position, automatically stopping the chain pull rod, automatically discharging weighed ingredients into the corresponding charging basket by the metering controlled discharging equipment arranged at the first bin position, automatically discharging each bin position corresponding to each charging basket in sequence, directly performing total amount rechecking on a rechecking scale after discharging is completed, normally conveying the ingredients to the tail end after no errors exist, and completing the ingredient distribution of the whole line;
s6: collecting raw materials: after batching line batching was accomplished, when the conveyer belt conveyed the storage bucket to the tail end, after infrared ray automatic inductor sensed the storage bucket, the arm hand stretched out the tail end of the storage bucket propelling movement to the conveyer belt of taking the material automatically, taken out whole bag material immediately by the batching personnel to at the time of throwing the material bag superscript number of a car order, pricked the sack, put on a definite time and place the district in corresponding batching plastic frame or plastic drum, throw the material bag and overlap empty storage bucket again, put in empty bucket and decide the district, it is reserve.
Preferably, the step S5 further includes a step S5': automatic alarm: when the blanking weight does not meet the target value tolerance, the next bin number does not perform blanking, when the material buckets directly circulate to the final total quantity rechecking scale, the material distribution line operation is stopped because the weight does not meet the target value tolerance, and meanwhile, an alarm lamp of the man-machine control cabinet is turned on and rings; and (4) taking down the material barrel which does not accord with the weight standard on the rechecking scale by a batching worker, placing the material barrel in a defective product area, and scrapping and disposing the material barrel after confirmation by a supervisor.
Preferably, after the step S5 is completed, the method further includes the step S5 ": checking the ingredients: when the batching quantity is close to the end sound, the current batching quantity of the upper computer is checked for preventing the batching from being over-batched, and when the last batching operation is finished, the batching bucket is not discharged any more, and the batching is automatically stopped after the batching of the batching quantity is finished.
Preferably, in step S5, the metering controlled discharging device includes a discharging bin, a discharging spiral blade, a conveying shaft, a discharging plate, a conveying pipe, a spiral conveying blade, a discharging pipe, and a sealing sliding plate; a blanking pipe is arranged at the bin opening at the upper end of the discharging bin, and discharging spiral blades are vertically and rotatably arranged in the discharging bin through a conveying shaft; the outer edge of the discharging spiral blade is in rotary contact with the inner bin wall of the discharging bin; a discharging plate is arranged below the discharging spiral blade and sleeved on the conveying shaft through a bearing; the discharging plate is provided with a discharging hole; a conveying pipe is fixed on the side wall below the discharging bin and is communicated with the inner bin of the discharging bin; a spiral conveying blade is arranged in the conveying pipe in a rotating mode in the horizontal direction through a conveying shaft, and a discharging pipe is communicated with the position right below the conveying pipe; the lower pipe opening of the discharging pipe is positioned right above the conveying belt; a sealing sliding plate is inserted in the discharging pipe in a sliding manner, and a metering scale is arranged on the sealing sliding plate; a sealing frame is fixed on the side surface of the discharging pipe, and a sealing sliding plate is arranged in the sealing frame in a sliding manner through an air cylinder; the lower part of the discharge port is communicated to one end of the conveying pipe through a material guide pipe; the bottom end face of the discharge bin is provided with a first motor, and the output end of the first motor is connected with a vertically arranged conveying shaft; a second motor is arranged on the side end face of the conveying pipe and connected with a horizontally arranged conveying shaft; the air cylinder, the first motor, the second motor and the metering scale are all electrically connected to a human-machine control cabinet control system PLC;
when the material barrel is conveyed to the position of the first bin, the PLC can control the first motor and the second motor to synchronously rotate, the first motor can drive the discharging spiral blade arranged in the vertical direction to rotate, after the bottom end of the discharging spiral blade is aligned with the discharging hole on the discharging plate, the ingredients on the discharging spiral blade can fall into the discharging pipe through the discharging hole, the PLC can control the rotating speed and the rotating number of turns of the first motor, the discharging spiral blade can enable the discharging pipe to fall into the discharging pipe through the discharging hole every turn of rotation, the ingredients of the discharging spiral blade can be put into the discharging pipe through the discharging hole, the spiral metering operation of the ingredients can be realized, when the ingredients fall into the end part of the conveying pipe through the discharging pipe, the spiral conveying blade arranged in the conveying pipe can be conveyed to the connecting part of the conveying pipe and the discharging pipe through the rotation of the second motor, and the ingredients can fall into the sealing sliding and inserting sliding plate in the discharging pipe, the metering scale arranged on the sealing sliding plate can weigh the ingredients again, if the weight of the ingredients weighed by the metering scale and the target value of the ingredients set in the system are within the tolerance value range, the PLC controls the cylinder to contract, the telescopic end of the cylinder can drive the sealing sliding plate to slide into the sealing frame, and the ingredients falling onto the sealing sliding plate can fall into the corresponding charging basket from the lower pipe opening of the discharging pipe under the extrusion force of the side wall of the discharging pipe, so that the ingredients can be accurately and automatically weighed; if the weight of the weighed ingredients of the weighing scale is smaller than the set target value of the ingredients in the system, the first motor continues to rotate, the ingredients on the discharging spiral blade are placed into the material guide pipe through the discharging hole and are conveyed into the discharging pipe through the spiral conveying blade, the weighing scale on the sealing sliding plate continuously weighs, the target value range is reached, and then the air cylinder contracts to place the ingredients on the sealing sliding plate into the material barrel; then the ingredients in the charging basket can be rechecked through a rechecking scale, so that the accuracy and the efficiency of automatic weighing of the ingredients of the rubber piece are improved; if the weight of the weighed and weighed ingredients is larger than the target value of the ingredients set in the system, the telescopic end of the air cylinder can shrink and then correspondingly place the ingredients into the charging basket, then the step S5 ' can work, and the ingredients worker takes down the charging basket which is not in accordance with the weight standard on the rechecking scale and places the charging basket in a ' unqualified product area ', and the materials are discarded after the supervisor confirms the materials.
Preferably, an arc-shaped elastic bag is arranged below one end of the conveying pipe, and a spring is arranged in the arc-shaped elastic bag; the upper surface of the arc-shaped elastic bag is aligned with the pipe orifice of the material guide pipe; a conveying shaft vertically arranged in the discharge bin is sleeved with a rotating disc, and the rotating disc is positioned below the arc-shaped elastic bag; a plurality of extrusion bulges are uniformly arranged on the upper end surface of the rotating disc and are in extrusion contact with the lower surface of the arc-shaped elastic bag; when the feeding device works, when the first motor drives the feeding shaft to rotate, the feeding shaft can drive the rotating disc to rotate on the bottom end surface of the feeding pipe, the plurality of extrusion protrusions arranged on the upper end surface of the rotating disc can rotate to extrude the lower end surface of the arc-shaped elastic bag, the arranged spring can enable the upper surface of the arc-shaped elastic bag to vibrate under the extrusion force of the extrusion protrusions, the arranged arc-shaped elastic bag is aligned with the pipe orifice of the feeding pipe, further, the falling ingredients of the feeding pipe can fall onto the upper surface of the arc-shaped elastic bag, and the vibration of the upper surface of the arc-shaped elastic bag can prevent the moist ingredients from being bonded to the inner wall of the bottom end of the feeding pipe due; the arc elastic bag that sets up and the bellied normal running fit of extrusion emit when the controlled discharging equipment of measurement for moist batching, because through the passage intercommunication between blowing dish and the conveyer pipe, and have certain difference in height, and then when moist batching falls into the bottom of conveyer pipe, because the bottom that the action of gravity struck the conveyer pipe can cause the batching to bond to the pipe wall of conveyer pipe on, and then influences the accurate high-efficient automatic weighing's of batching effect.
Preferably, a plurality of elastic guide plates are arranged inside the material guide pipe, and the elastic guide plates are arranged in a vertically staggered manner; an expansion cavity is formed in the elastic guide plate and is communicated with the arc-shaped elastic bag through an air guide pipe; when the automatic feeding device works, the elastic guide plates arranged in the guide pipe in a staggered mode can guide the ingredients falling from the discharging port, and the phenomenon that the ingredients are bonded to the inner wall of the conveying pipe due to overlarge impact force of weight when the ingredients fall is effectively prevented; meanwhile, when the arc-shaped elastic bag is subjected to the extrusion force of the extrusion protrusion, gas in the arc-shaped elastic bag enters the expansion cavity through the gas guide tube, so that the upper end surface of the elastic guide plate generates elastic expansion vibration, the elastic expansion vibration of the upper surface of the elastic guide plate not only can reduce the effect of gravity impact when the ingredients fall down, but also can perform the effect of elastic vibration crushing on the agglomerated or agglomerated ingredients, and can reduce the phenomenon of ingredient adhesion on the upper surface of the elastic guide plate; the inside air supply of the arc elasticity bag that sets up not only can make a plurality of elastic guide plates play the expanded effect of elasticity simultaneously, and the arc elasticity bag is inside still to have some air supplies, prevents that the arc elasticity bag from being out of shape too big under the bellied extrusion force of extrusion, and then leads to the upper surface of arc elasticity bag to produce bellied phenomenon, and then influences the safety and stability rotation of spiral conveying leaf.
Preferably, an elastic arc-shaped plate is arranged at one end of the conveying pipe, and the elastic arc-shaped plate is positioned at the pipe orifice position on one side of the discharging pipe; an elastic extrusion rod is obliquely arranged on the outer ring wall of the conveying shaft horizontally arranged in the conveying pipe and rotationally extrudes the side wall of the elastic arc-shaped plate; the inner side wall of the elastic arc-shaped plate is elastically connected to the side wall of the discharging pipe through a spring; when the feeding device works, when the second motor drives the conveying shaft which is horizontally arranged to rotate, the spiral conveying blades can convey ingredients in the conveying pipe into the discharging pipe, meanwhile, the elastic arc-shaped plate can play an elastic vibration material guiding effect on the other end of the conveying pipe, the elastic extrusion rod arranged on the outer ring wall of the conveying shaft can extrude the elastic arc-shaped plate when rotating, the elastic arc-shaped plate is enabled to be sunken, the spring arranged on the side wall of the elastic arc-shaped plate can be compressed, when the elastic extrusion rod breaks away from the extrusion of the elastic arc-shaped plate, the elastic thrust of the spring can enable the elastic arc-shaped plate to generate elastic vibration, the elastic vibration of the elastic arc-shaped plate can enable the ingredients which are gathered on the surface to vibrate and shake down into the discharging pipe, and the situation that the ingredients conveyed by the spiral conveying blades are accumulated and fall into the cavity due to the existence of the cavity between the, and then the accurate efficient of the controlled discharging equipment of influence measurement is weighed the operation to the batching.
The invention has the following beneficial effects:
1. according to the invention, through the arrangement of the plurality of bin number positions, each bin number position is provided with the metering controlled discharging device, the metering controlled discharging devices arranged at the bin number positions can automatically discharge the weighed ingredients into the corresponding charging barrels, each bin number corresponds to each charging barrel in sequence to automatically discharge, the ingredients are directly subjected to total quantity rechecking by the rechecking scale, and the ingredients are normally conveyed to the tail end after being errorless, so that the synchronous automatic weighing and discharging effects of various ingredients can be realized, meanwhile, the weight rechecking check can be performed on various ingredients, and the functions of quick, efficient and accurate automatic ingredients proportioning of rubber pieces can be realized.
2. According to the invention, through the metering controlled discharging equipment, the PLC can control the rotating speed and the rotating number of turns of the first motor, so that the blanking pipe can be dropped into the discharging spiral blade to discharge the ingredients into the discharging pipe through the discharging port every time the discharging spiral blade rotates for one turn, further the spiral metering operation of the ingredients can be realized, the metering scale arranged on the sealing sliding plate can weigh the ingredients again, the metering controlled discharging equipment can accurately and efficiently place the target value set by the system into the charging bucket, and the function of accurate discharging of the metering controlled discharging equipment is improved.
3. According to the invention, through the rotational matching of the arc-shaped elastic bag and the extrusion bulge, when the wet ingredients are discharged from the metering controlled discharging equipment, the discharging disc is communicated with the conveying pipe through the material guide pipe and has a certain height difference, so that when the wet ingredients fall into the bottom end of the conveying pipe, the ingredients are adhered to the pipe wall of the conveying pipe due to the fact that the ingredients impact the bottom end of the conveying pipe under the action of gravity, and the accurate, efficient and automatic weighing effect of the ingredients is further influenced.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a flow chart of a method of the present invention;
FIG. 2 is an assembly view of the conveyor belt and a plurality of bin numbers of the present invention;
FIG. 3 is an assembly view of a plurality of bin numbers of the present invention;
FIG. 4 is an enlarged view of the metering controlled discharge apparatus of FIG. 2 of the present invention;
FIG. 5 is a perspective view of the metering controlled discharge apparatus of the present invention;
FIG. 6 is a cross-sectional view of the metering controlled discharge apparatus of the present invention;
FIG. 7 is an enlarged view of the arcuate elastomeric bladder of FIG. 6 in accordance with the present invention;
in the figure: the device comprises a conveying belt 1, a tank scale 2, a bin position number 3, a chain pull rod 4, a metering controlled discharging device 5, a discharging bin 51, a discharging spiral blade 52, a conveying shaft 53, a discharging plate 54, a discharging port 541, a conveying pipe 55, a spiral conveying blade 56, a discharging pipe 57, a sealing sliding plate 58, a material guide pipe 59, an arc-shaped elastic bag 6, a rotating disc 7, an extrusion bulge 8, an elastic guide plate 9, an expansion cavity 91, an air guide pipe 10, an elastic arc-shaped plate 11 and an elastic extrusion rod 12.
Detailed Description
An automatic rubber material weighing method according to an embodiment of the present invention will be described below with reference to fig. 1 to 7.
As shown in fig. 1-7, the automatic weighing method for rubber pieces of the present invention comprises the following steps:
s1: preparation for starting: turning on a switch of the required equipment, turning on an icon of an automatic weighing and batching system on a desktop of a double-click display screen of an upper computer, logging in the automatic weighing and batching system, and checking a rubber mixing production plan; checking whether the corresponding raw materials of each charging bucket are sufficient; preparing raw materials required by ingredients; the work of this step is in order to confirm whether 8802 weight instrument, upper computer system, man-machine control cabinet and PLC's communication is normal: whether the corresponding communication state indicator lamp is normal or not; check the mechanical architecture of the batching line and the independent scale: the material storage tank, the metering controlled discharging equipment 5, the tank scale 2 and the automatic shifting production line are in a normal state;
s2: preparing a formula: clicking 'formula management' after entering an upper computer interface, entering a formula management picture, clicking any formula name in a formula list, entering a 'modified formula' page, confirming the formula name, the total number of the formula, the bin number 3 and the corresponding raw material name, the remark of the raw material, the target value and the tolerance value, and setting and confirming material information to meet the operation requirement under the normal condition; then storing and exiting;
s3: and (3) field confirmation: confirming that relevant conditions on site are normal, including compressed air supply; sleeving a charging pocket on a charging barrel, and positioning the charging pocket at a first position of a conveying belt 1 at a batching inlet; whether the power supply of the connection motor entering the assembly line of the tank scale 2 is normal or not is judged; in the step, if the charging basket is not positioned on a weighing platform of a tank scale at a batching inlet, batching cannot be carried out; the maximum weighing capacity of the tank scale 2 is 30KG, the sensing capacity is 0.005KG, and articles and personnel exceeding the rated weight are prevented from being pressed by weight or pushed to the platform from side to side;
s4: downloading a formula: clicking a real-time monitoring button on an upper computer interface, entering a real-time monitoring picture, and confirming that a target value on a material tank with the position number of 3 in each bin under an automatic weighing and batching system meets the operation requirement with the setting; when the upper computer interface displays that the 'communication' and the 'download permission' are green, the downloading can be indicated, and the 'download permission' is displayed in a green mode, and the recipe is downloaded to the PLC;
s5: weighing and blanking: the 'starting system' button on the panel of the main control electronic box is pressed, the material barrel is conveyed by each line of conveying belt 1, when the equipment automatically senses the material barrel, the conveying chain pull rod 4 pulls and pushes the material barrel forwards to enter the position right below the metering controlled discharging equipment 5 arranged at the first bin position 3, the chain pull rod 4 automatically stops, the metering controlled discharging equipment 5 arranged at the first bin position 3 can automatically discharge weighed ingredients into the corresponding material barrel, each bin position 3 corresponds to each material barrel in sequence to automatically discharge, the weighed ingredients are directly checked by a rechecking scale after the discharge is finished, the weighed ingredients are normally conveyed to the tail end after the ingredients are correct, and the ingredients are completely distributed on the whole line;
s6: collecting raw materials: after the batching line batching was accomplished, when conveyer belt 1 conveyed the storage bucket to the tail end, after infrared ray automatic inductor sensed the storage bucket, the arm hand stretched out the storage bucket propelling movement to conveyer belt 1's tail end with the area material automatically, taken out whole bag material immediately by the batching personnel to at the outer mark number of the car number of times of throwing the material bag, pricked the sack, put surely corresponding batching plastic frame or plastic drum and place the district, throw the material bag and overlap empty storage bucket again, put at empty bucket and decide the district, it is reserve.
As an embodiment of the present invention, in the step S5, the method further includes the step S5': automatic alarm: when the blanking weight does not accord with the target value allowable difference value, the next bin number 3 is not blanked, when each charging basket directly circulates and walks to the final total quantity rechecking scale, the operation of the batching line is stopped because the weight does not meet the target value allowable difference value and stops, and meanwhile, an alarm lamp of the man-machine control cabinet is turned on and rings; and (4) taking down the material barrel which does not accord with the weight standard on the rechecking scale by a batching worker, placing the material barrel in a defective product area, and scrapping and disposing the material barrel after confirmation by a supervisor.
As an embodiment of the present invention, after the step S5 is completed, the method further includes the step S5 ": checking the ingredients: when the batching quantity is close to the end sound, the current batching quantity of the upper computer is checked for preventing the batching from being over-batched, and when the last batching operation is finished, the batching bucket is not discharged any more, and the batching is automatically stopped after the batching of the batching quantity is finished.
As an embodiment of the present invention, wherein the metering controlled discharging apparatus 5 includes a discharging bin 51, a discharging spiral blade 52, a conveying shaft 53, a discharging plate 54, a conveying pipe 55, a spiral conveying blade 56, a discharging pipe 57 and a sealing slide plate 58 at step S5; a blanking pipe is arranged at the bin mouth at the upper end of the discharging bin 51, and a discharging spiral blade 52 is vertically and rotatably arranged in the discharging bin 51 through a conveying shaft 53; the outer edge of the discharging spiral blade 52 is in rotary contact with the inner bin wall of the discharging bin 51; a discharging plate 54 is arranged below the discharging spiral blade 52, and the discharging plate 54 is sleeved on the conveying shaft 53 through a bearing; the discharging plate 54 is provided with a discharging port 541; a conveying pipe 55 is fixed on the side wall below the discharging bin 51, and the conveying pipe 55 is communicated with the inner bin of the discharging bin 51; a spiral conveying blade 56 is rotatably arranged in the conveying pipe 55 in the horizontal direction through a conveying shaft 53, and a discharging pipe 57 is communicated with the position right below the conveying pipe 55; the lower pipe orifice of the discharging pipe 57 is positioned right above the conveying belt 1; a sealing sliding plate 58 is inserted in the discharging pipe 57 in a sliding manner, and a metering scale is arranged on the sealing sliding plate 58; a sealing frame is fixed on the side surface of the discharging pipe 57, and a sealing sliding plate 58 is arranged in the sealing frame in a sliding manner through an air cylinder; the lower part of the discharging port 541 is communicated with one end of the conveying pipe 55 through a material guiding pipe 59; a first motor is arranged on the bottom end face of the discharge bin 51, and the output end of the first motor is connected with a conveying shaft 53 which is vertically arranged; a second motor is arranged on the side end face of the conveying pipe 55 and is connected with a conveying shaft 53 which is horizontally arranged; the air cylinder, the first motor, the second motor and the metering scale are all electrically connected to a human-machine control cabinet control system PLC;
when the feeding device works, after a charging bucket is conveyed to a first bin position, the PLC can control the first motor and the second motor to synchronously rotate, the first motor can drive the feeding spiral blade 52 arranged in the vertical direction to rotate, after the bottom end of the feeding spiral blade 52 is aligned with the discharging port 541 on the feeding plate 54, ingredients on the feeding spiral blade 52 can fall into the discharging pipe 57 through the discharging port 541, and further the PLC can control the rotating speed and the rotating number of turns of the first motor, so that the ingredients falling from the discharging spiral blade 52 to the feeding spiral blade 52 can be discharged into the discharging pipe 57 through the discharging port 541 when the feeding spiral blade 52 rotates for one turn, and further the spiral metering operation of the ingredients can be realized, when the ingredients fall into the end part of the conveying pipe 55 through the discharging pipe 57, the spiral conveying blade 56 arranged in the conveying pipe 55 can be conveyed to the joint of the conveying pipe 55 and the discharging pipe 57 through the rotation of the second motor, the batching can fall into the sealed sliding plate 58 inserted in the discharging pipe 57 in a sliding manner, and then the metering scale arranged on the sealed sliding plate 58 can weigh the batching again, if the weight of the batching weighed by the metering scale and the target value of the batching set in the system are within the tolerance value range, the PLC controls the cylinder to contract, the telescopic end of the cylinder can drive the sealed sliding plate 58 to slide into the sealed frame, and the batching falling onto the sealed sliding plate 58 can fall into the corresponding charging basket from the lower square pipe opening of the discharging pipe 57 under the extrusion force of the side wall of the discharging pipe 57, so that the batching can be accurately and automatically weighed; if the weight of the weighed ingredients of the weighing scale is smaller than the set target value of the ingredients in the system, the first motor continues to rotate, the ingredients on the discharging spiral blade 52 are placed into the material guide pipe 59 through the discharging port 541, and are conveyed into the discharging pipe 57 through the spiral conveying blade 56, the weighing scale on the sealing sliding plate 58 continuously weighs, and further reaches the target value range, and then the air cylinder contracts to place the ingredients on the sealing sliding plate 58 into the material barrel; then the ingredients in the charging basket can be rechecked through a rechecking scale, so that the accuracy and the efficiency of automatic weighing of the ingredients of the rubber piece are improved; if the weight of the weighed and weighed ingredients is larger than the target value of the ingredients set in the system, the telescopic end of the air cylinder can shrink and then correspondingly place the ingredients into the charging basket, then the step S5 ' can work, and the ingredients worker takes down the charging basket which is not in accordance with the weight standard on the rechecking scale and places the charging basket in a ' unqualified product area ', and the materials are discarded after the supervisor confirms the materials.
As an embodiment of the present invention, an arc-shaped elastic bag 6 is disposed below one end of the delivery pipe 55, and a spring is disposed inside the arc-shaped elastic bag 6; the upper surface of the arc-shaped elastic bag 6 is aligned with the pipe orifice of the material guide pipe 59; a conveying shaft 53 vertically arranged in the discharge bin 51 is sleeved with a rotating disc 7, and the rotating disc 7 is positioned below the arc-shaped elastic bag 6; a plurality of extrusion bulges 8 are uniformly arranged on the upper end surface of the rotating disc 7, and the extrusion bulges 8 are in extrusion contact with the lower surface of the arc-shaped elastic bag 6; during operation, when the first motor drives the conveying shaft 53 to rotate, the conveying shaft 53 rotates to drive the rotating disc 7 to rotate on the bottom end face of the conveying pipe 55, the plurality of extrusion protrusions 8 arranged on the upper end face of the rotating disc 7 can rotate to extrude the lower end face of the arc-shaped elastic bag 6, the upper surface of the arc-shaped elastic bag 6 can vibrate under the extrusion force of the extrusion protrusions 8 by the arranged spring, the arranged arc-shaped elastic bag 6 is aligned with the pipe orifice of the material guide pipe 59, further, the falling ingredients of the material guide pipe 59 can fall onto the upper surface of the arc-shaped elastic bag 6, and the vibration of the upper surface of the arc-shaped elastic bag 6 can prevent the phenomenon that the wet ingredients are adhered to the inner wall of the bottom end of the conveying pipe 55 due; the arc elastic bag 6 that sets up and the convex 8 normal running fit of extrusion, when the controlled discharging device 5 of measurement emits for moist batching, because feed tray and conveyer pipe 55 between communicate through passage 59, and have certain difference in height, and then when moist batching falls into conveyer pipe 55's bottom, because the bottom that the action of gravity struck conveyer pipe 55 can cause the batching to bond on conveyer pipe 55's pipe wall, and then influence the accurate high-efficient automatic weighing's of batching effect.
As an embodiment of the present invention, a plurality of elastic guide plates 9 are disposed inside the material guiding pipe 59, and the plurality of elastic guide plates 9 are disposed in a vertically staggered manner; an expansion cavity 91 is formed in the elastic guide plate 9, and the expansion cavity 91 is communicated with the arc-shaped elastic bag 6 through an air duct 10; when the device works, the elastic guide plates 9 arranged in the material guide pipes 59 in a staggered mode can guide the ingredients falling from the discharging port 541, and the phenomenon that the ingredients are bonded to the inner wall of the conveying pipe 55 due to overlarge impact force of the weight when the ingredients fall is effectively prevented; meanwhile, when the arc-shaped elastic bag 6 is subjected to the extrusion force of the extrusion protrusion 8, the gas in the arc-shaped elastic bag 6 enters the expansion cavity 91 through the gas guide tube 10, so that the upper end surface of the elastic guide plate 9 generates elastic expansion vibration, the elastic expansion vibration of the upper surface of the elastic guide plate 9 not only can reduce the effect of gravity impact when the ingredients fall down, but also can perform the effect of elastic vibration crushing on the caked or agglomerated ingredients, and can reduce the phenomenon of ingredient bonding on the upper surface of the elastic guide plate 9; the inside air supply of the arc elastic bag 6 that sets up not only can make a plurality of elastic guide plates 9 play the expanded effect of elasticity simultaneously, and arc elastic bag 6 is inside still to have some air supplies, prevents that arc elastic bag 6 from being out of shape under the protruding 8's of extrusion force too big, and then leads to the upper surface of arc elastic bag 6 to produce bellied phenomenon, and then influences the safety and stability rotation of screw conveying leaf 56.
As an embodiment of the present invention, an elastic arc-shaped plate 11 is disposed at one end of the delivery pipe 55, and the elastic arc-shaped plate 11 is located at a pipe orifice position on one side of the discharging pipe 57; an elastic extrusion rod 12 is obliquely arranged on the outer ring wall of the horizontally arranged conveying shaft 53 in the conveying pipe 55, and the elastic extrusion rod 12 is rotationally extruded to the side wall of the elastic arc-shaped plate 11; the inner side wall of the elastic arc-shaped plate 11 is elastically connected to the side wall of the discharging pipe 57 through a spring; when the feeding device works, when the second motor drives the horizontally arranged conveying shaft 53 to rotate, the spiral conveying blade 56 can convey ingredients in the conveying pipe 55 into the discharging pipe 57, meanwhile, the arranged elastic arc-shaped plate 11 can play a role of guiding the other end of the conveying pipe 55 through elastic vibration, the elastic extrusion rod 12 arranged on the outer ring wall of the conveying shaft 53 can extrude the elastic arc-shaped plate 11 when rotating, the elastic arc-shaped plate 11 is enabled to be sunken, and the spring arranged on the side wall of the elastic arc-shaped plate 11 can be compressed, after the elastic extrusion rod 12 is separated from extruding the elastic arc-shaped plate 11, the elastic thrust of the spring can enable the elastic arc-shaped plate 11 to generate elastic vibration, the elastic vibration of the elastic arc-shaped plate 11 can enable the ingredients gathered on the surface to vibrate and shake down into the discharging pipe 57, and the situation that the ingredients conveyed by the spiral conveying blade 56 are accumulated in a cavity due to the existence of the cavity between the other end of the conveying pipe 55 and the discharging pipe, thereby affecting the accurate and efficient weighing operation of the metering controlled discharge device 5.
The specific working process is as follows:
when the feeding device works, after a charging bucket is conveyed to a first bin position, the PLC can control the first motor and the second motor to synchronously rotate, the first motor can drive the feeding spiral blade 52 arranged in the vertical direction to rotate, after the bottom end of the feeding spiral blade 52 is aligned with the discharging port 541 on the feeding plate 54, ingredients on the feeding spiral blade 52 can fall into the discharging pipe 57 through the discharging port 541, and further the PLC can control the rotating speed and the rotating number of turns of the first motor, so that the ingredients falling from the discharging spiral blade 52 to the feeding spiral blade 52 can be discharged into the discharging pipe 57 through the discharging port 541 when the feeding spiral blade 52 rotates for one turn, and further the spiral metering operation of the ingredients can be realized, when the ingredients fall into the end part of the conveying pipe 55 through the discharging pipe 57, the spiral conveying blade 56 arranged in the conveying pipe 55 can be conveyed to the joint of the conveying pipe 55 and the discharging pipe 57 through the rotation of the second motor, make the batching can fall into on the sealed slide 58 of the inside slip grafting of blowing pipe 57, and then the weigher that sets up on the sealed slide 58 can weigh the batching again, if the weigher weighs the batching weight and this batching target value that sets for in the system after in tolerance value scope, PLC control cylinder shrink, the flexible end of cylinder can drive sealed slide 58 and slide to sealed frame in, and fall into on the sealed slide 58 the batching can fall into the storage bucket that corresponds from the lower side mouth of pipe 57 department of blowing pipe 57 at the extrusion force of blowing pipe 57 lateral wall, and then can carry out accurate automatic weighing operation to the batching.
In the description of the present invention, it is to be understood that the terms "center", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the present invention.
While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from its scope. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (5)
1. An automatic weighing method for rubber parts is characterized in that: the method comprises the following steps:
s1: preparation for starting: turning on a switch of the required equipment, turning on an icon of an automatic weighing and batching system on a desktop of a double-click display screen of an upper computer, logging in the automatic weighing and batching system, and checking a rubber mixing production plan; checking whether the corresponding raw materials of each charging bucket are sufficient; preparing raw materials required by ingredients;
s2: preparing a formula: clicking 'formula management' after entering an upper computer interface, entering a formula management picture, clicking any formula name in a formula list, entering a 'modified formula' page, confirming the formula name, the total formula number, the confirmation bin number (3) and the corresponding raw material name, the raw material remark, the target value and the allowance value, and setting and confirming material information to meet the operation requirement under the normal condition; then storing and exiting;
s3: and (3) field confirmation: confirming that relevant conditions on site are normal, including compressed air supply; sleeving a charging bucket with a charging bag and positioning the charging bucket at a first position of a conveying belt (1) at a batching inlet; whether the power supply of the groove scale (2) and the connection motor entering the production line is normal or not is judged;
s4: downloading a formula: clicking a real-time monitoring button on an upper computer interface, entering a real-time monitoring picture, and confirming that the target value and the setting on the charging bucket of each bin position number (3) under an automatic weighing and batching system meet the operation requirement; when the upper computer interface displays that the 'communication' and the 'download permission' are green, the downloading can be indicated, and the 'download permission' is displayed in a green mode, and the recipe is downloaded to the PLC;
s5: weighing and blanking: the 'starting system' button on the panel of the main control electronic box is pressed, the material barrel is conveyed by each line of conveying belt (1), when the equipment automatically senses the material barrel, the conveying chain pull rod (4) pulls and pushes the material barrel forwards to enter the position under the metering controlled discharging equipment (5) arranged at the first bin position number (3), the metering controlled discharging equipment (5) arranged at the first bin position number (3) automatically feeds weighed ingredients into the corresponding material barrel after the chain pull rod (4) automatically returns, each bin position number (3) automatically feeds the weighed ingredients into each material barrel in sequence, the weighed ingredients are directly fed to a rechecking scale to recheck the total amount after the ingredients are finished, the weighed ingredients are normally conveyed to the tail end after no errors exist, and the ingredients of the whole line are finished;
s6: collecting raw materials: after the batching of the batching line is finished, when the material barrel is conveyed to the tail end by the conveying belt (1), after the infrared automatic sensor senses the material barrel, the arm automatically extends out to push the material barrel with the material to the tail end of the conveying belt (1), a batching worker immediately takes out the whole bag of material, marks the number of the turn number sequence outside the feeding bag, ties up the bag opening, and places the bag opening in a corresponding batching plastic frame or plastic barrel placing area, and the feeding bag is sleeved with an empty material barrel and placed in the empty barrel placing area for standby;
the metering controlled discharging device (5) comprises a discharging bin (51), a discharging spiral blade (52), a conveying shaft (53), a discharging plate (54), a conveying pipe (55), a spiral conveying blade (56), a discharging pipe (57) and a sealing sliding plate (58) in the step S5; a blanking pipe is arranged at the bin opening at the upper end of the discharging bin (51), and discharging spiral blades (52) are vertically and rotatably arranged in the discharging bin (51) through a conveying shaft (53); the outer edge of the discharging spiral blade (52) is in rotary contact with the inner bin wall of the discharging bin (51); a discharging plate (54) is arranged below the discharging spiral blade (52), and the discharging plate (54) is sleeved on the conveying shaft (53) through a bearing; a discharging port (541) is formed in the discharging plate (54); a conveying pipe (55) is fixed on the side wall below the discharging bin (51), and the conveying pipe (55) is communicated with the inner bin of the discharging bin (51); a spiral conveying blade (56) is arranged in the conveying pipe (55) in a rotating mode in the horizontal direction through a conveying shaft (53), and a discharging pipe (57) is communicated with the position right below the conveying pipe (55); the lower pipe opening of the discharging pipe (57) is positioned right above the conveying belt (1); a sealing sliding plate (58) is inserted in the discharging pipe (57) in a sliding manner, and a metering scale is arranged on the sealing sliding plate (58); a sealing frame is fixed on the side surface of the discharging pipe (57), and a sealing sliding plate (58) is arranged in the sealing frame in a sliding manner through an air cylinder; the lower part of the discharging port (541) is communicated to one end of the conveying pipe (55) through a material guide pipe (59); a first motor is arranged on the bottom end face of the discharge bin (51), and the output end of the first motor is connected with a conveying shaft (53) which is vertically arranged; a second motor is arranged on the side end face of the conveying pipe (55), and is connected with a conveying shaft (53) which is horizontally arranged; the air cylinder, the first motor, the second motor and the metering scale are all electrically connected to a human-machine control cabinet control system PLC;
an arc-shaped elastic bag (6) is arranged below one end of the conveying pipe (55), and a spring is arranged inside the arc-shaped elastic bag (6); the upper surface of the arc-shaped elastic bag (6) is aligned with the pipe orifice of the material guide pipe (59); a conveying shaft (53) vertically arranged in the discharge bin (51) is sleeved with a rotating disc (7), and the rotating disc (7) is positioned below the arc-shaped elastic bag (6); the upper end face of the rotating disc (7) is uniformly provided with a plurality of extrusion bulges (8), and the extrusion bulges (8) are in extrusion contact with the lower surface of the arc-shaped elastic bag (6).
2. The automatic weighing method for rubber members according to claim 1, wherein: in the step S5, the method further includes a step S5': automatic alarm: when the blanking weight does not accord with the target value allowable difference, the next bin number (3) does not perform blanking, when each charging basket directly circulates to the final total quantity rechecking scale, the charging basket cannot stop due to the fact that the weight does not meet the target value allowable difference, the operation transmission of the batching line is stopped, and meanwhile, an alarm lamp of the man-machine control cabinet is turned on and rings; and (4) taking down the material barrel which does not accord with the weight standard on the rechecking scale by a batching worker, placing the material barrel in a defective product area, and scrapping and disposing the material barrel after confirmation by a supervisor.
3. The automatic weighing method for rubber members according to claim 2, characterized in that: after the step S5 is completed, the method further includes the step S5 ″: checking the ingredients: when the batching quantity is close to the end sound, the current batching quantity of the upper computer is checked for preventing the batching from being over-batched, and when the last batching operation is finished, the batching bucket is not discharged any more, and the batching is automatically stopped after the batching of the batching quantity is finished.
4. The automatic weighing method for rubber members according to claim 3, wherein: a plurality of elastic guide plates (9) are arranged inside the material guide pipe (59), and the elastic guide plates (9) are arranged in a vertically staggered manner; the inside of elasticity guide plate (9) is seted up inflation chamber (91), and inflation chamber (91) communicates in arc elasticity bag (6) through air duct (10).
5. The automatic weighing method for rubber members according to claim 3, wherein: an elastic arc-shaped plate (11) is arranged at one end of the conveying pipe (55), and the elastic arc-shaped plate (11) is positioned at the pipe orifice position on one side of the discharging pipe (57); an elastic extrusion rod (12) is obliquely arranged on the outer ring wall of a conveying shaft (53) horizontally arranged in the conveying pipe (55), and the elastic extrusion rod (12) rotates to extrude the side wall of the elastic arc-shaped plate (11); the inner side wall of the elastic arc-shaped plate (11) is elastically connected to the side wall of the discharging pipe (57) through a spring.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010763051.5A CN111823432B (en) | 2020-07-31 | 2020-07-31 | Automatic weighing method for rubber parts |
| PCT/CN2021/074782 WO2022021829A1 (en) | 2020-07-31 | 2021-02-02 | Automatic weighing method for rubber parts |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010763051.5A CN111823432B (en) | 2020-07-31 | 2020-07-31 | Automatic weighing method for rubber parts |
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| CN111823432A CN111823432A (en) | 2020-10-27 |
| CN111823432B true CN111823432B (en) | 2021-07-06 |
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| CN111823432B (en) * | 2020-07-31 | 2021-07-06 | 浙江天台祥和实业股份有限公司 | Automatic weighing method for rubber parts |
| CN116236951B (en) * | 2023-03-08 | 2024-01-09 | 黄山钛可磨工业介质有限公司 | Rust-proof oil preparation equipment and process thereof |
| CN117885240B (en) * | 2024-01-29 | 2024-07-16 | 江西伟普科技有限公司 | Novel preparation method of polyamide ferrite injection molding magnet |
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| CN111823432A (en) | 2020-10-27 |
| WO2022021829A1 (en) | 2022-02-03 |
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