CN113858558B - Intelligent cutting device and method for soft rubber products - Google Patents
Intelligent cutting device and method for soft rubber products Download PDFInfo
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- CN113858558B CN113858558B CN202111153877.0A CN202111153877A CN113858558B CN 113858558 B CN113858558 B CN 113858558B CN 202111153877 A CN202111153877 A CN 202111153877A CN 113858558 B CN113858558 B CN 113858558B
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- 238000005520 cutting process Methods 0.000 title claims description 50
- 238000000034 method Methods 0.000 title claims description 14
- 239000002699 waste material Substances 0.000 claims abstract description 46
- 239000003292 glue Substances 0.000 claims description 56
- 238000002347 injection Methods 0.000 claims description 34
- 239000007924 injection Substances 0.000 claims description 34
- 230000005291 magnetic effect Effects 0.000 claims description 26
- 238000004519 manufacturing process Methods 0.000 claims description 18
- 239000000084 colloidal system Substances 0.000 claims description 16
- 230000009471 action Effects 0.000 claims description 14
- 239000000110 cooling liquid Substances 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 7
- 238000013459 approach Methods 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 239000003302 ferromagnetic material Substances 0.000 claims description 3
- 239000000155 melt Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 238000001746 injection moulding Methods 0.000 abstract description 6
- 239000002245 particle Substances 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract 1
- 230000008569 process Effects 0.000 description 7
- 238000004080 punching Methods 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 239000010837 adhesive waste Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013502 plastic waste Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/38—Cutting-off equipment for sprues or ingates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention belongs to the technical field of soft rubber injection molding, and particularly relates to an intelligent notch device for a soft rubber product, which comprises an upper die, wherein a lower die is hermetically matched on the right side of the upper die, die fixing plates are symmetrically arranged on the sides, facing away from the top of the upper die, of the lower die, a plurality of product die grooves are respectively arranged in the middle of the upper die and the lower die, and the product die grooves are communicated through flow channels; according to the invention, through the mutual matching of the trapezoidal electromagnetic plates, the trapezoidal blades and the like, before soft rubber is injected, the trapezoidal electromagnetic plates are controlled to be electrified with first current, so that heat generated by electrifying the trapezoidal electromagnetic plates is transferred to the trapezoidal blades through the heat conducting layer, waste rubber on the trapezoidal blades and at the ports of the square through grooves is melted and stuck on the trapezoidal blades, and the defect of a produced product caused by the fact that particles on the last waste rubber flow into a product die groove is avoided, so that the quality of the product produced by the invention is improved.
Description
Technical Field
The invention belongs to the technical field of soft rubber injection molding, and particularly relates to an intelligent cutting device and method for a soft rubber product.
Background
The soft rubber is formed by injection molding of plastic, and is called as soft rubber by a plurality of people with soft hand feeling at normal temperature, and in the general plastic industry, the plastic with light specific weight such as PP, PE and the like and relatively low material surface hardness is called as soft rubber.
Chinese patent CN113246368a discloses a sleeve position punching die, comprising a male die and a female die, wherein the female die is provided with a punching opening and a feeding opening perpendicular to the punching opening, one end of the male die is positioned above the punching opening and can move into the punching opening, the other end is connected with a fixing plate, and a plurality of groups of sleeve position components for fixing the material to be punched are fixedly connected to the fixing plate; the inside of the male die is communicated with a plurality of air passages, the air passages are communicated with an air pipe joint on the fixing plate, and the air pipe joint is connected with an air suction device
In the prior art, when carrying out incision processing to the soft rubber finished product, the soft rubber finished product is fixed on the lower mould, when blanking the soft rubber finished product through this kind of mode, can leave the waste material on the lower mould, just so lead to needs multiunit drawing of patterns instrument, simultaneously to product and waste material drawing of patterns, production efficiency is low, can also cause the life of lower mould to shorten simultaneously, need often change the lower mould, causes the problem of production efficiency low.
Disclosure of Invention
Aiming at the situation, the invention provides an intelligent cutting device for a soft rubber product, which effectively solves the technical problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the intelligent cutting device for the flexible glue product comprises an upper die, wherein a lower die is matched with the right side of the upper die in a sealing manner, die fixing plates are symmetrically arranged on one sides, deviating from the upper die, of the top of the upper die and the lower die, a plurality of product die grooves are respectively arranged in the middle of the upper die and the lower die, the product die grooves are communicated through runners, the runners comprise I-shaped main runners, the I-shaped main runners are communicated with the product die grooves through square branch runners, square through grooves are respectively formed in the joint of the square branch runners and the product die grooves, and trapezoidal blades are respectively arranged in the square through grooves; the trapezoid cutter blade is made of ferromagnetic materials, the die fixing plate is connected with automatic die opening and closing equipment, a groove is formed in the die fixing plate, electromagnets are fixedly connected in the groove, a first telescopic rod is arranged in the groove, a spring is sleeved outside the first telescopic rod, one end of the first telescopic rod is fixedly connected with the electromagnets, a supporting rod is arranged on the side wall of the other end of the first telescopic rod, the other end of the first telescopic rod is hinged to the side wall of the trapezoid cutter blade, a first electric telescopic rod is fixedly connected to the side wall of the other end of the first telescopic rod, a second electric telescopic rod is fixedly connected to the other end of the first electric telescopic rod, and a trapezoid electromagnetic plate is fixedly connected to the other end of the second electric telescopic rod; the side wall of the trapezoid electromagnetic plate is coated with a heat conducting layer; the trapezoidal electromagnetic plate is electrified and magnetically adsorbs the trapezoidal blade, and the trapezoidal electromagnetic plate and the trapezoidal blade are magnetically adsorbed to form a whole and are in sliding sealing connection with the square through groove; one end of the spring is fixedly connected with the electromagnet, and the other end of the spring is fixedly connected with the supporting rod;
Before soft rubber is injected, the trapezoid electromagnetic plate is controlled to be electrified with a first current, so that heat generated by electrifying the trapezoid electromagnetic plate is transferred to the trapezoid blade through the heat conducting layer, the trapezoid blade melts and adheres waste rubber on the port of the square through groove to the trapezoid blade and the square through groove at high temperature, and the melted waste rubber is fused with the newly injected soft rubber and is used as a raw material for producing products next time;
After the colloid is cooled and formed, magnetic attraction is generated between the trapezoidal electromagnetic plate and the electromagnet, so that the trapezoidal electromagnetic plate drives the first telescopic rod to shrink into the square through groove, and the colloid cooled and formed on the trapezoidal electromagnetic plate and the trapezoidal blade is separated from the trapezoidal electromagnetic plate and the trapezoidal blade;
After the trapezoid blade slides out of the square through groove completely, the second electric telescopic rod is controlled to stretch for a first preset length, and meanwhile, the first electric telescopic rod is controlled to shrink for a second preset length, so that the side wall of the trapezoid electromagnetic plate and the trapezoid blade are in a state perpendicular to the square branch flow channel, then, the trapezoid electromagnetic plate is controlled to be connected with first current, heat generated by the trapezoid electromagnetic plate is transferred to the trapezoid blade through the heat conducting layer, the temperature of the trapezoid blade is increased, and meanwhile, the trapezoid electromagnetic plate pushes the trapezoid blade to approach to a product and thermally cuts the junction of the product and the square branch flow channel.
Compared with the prior art, the invention has the beneficial effects that:
1. According to the invention, when soft rubber products are produced by mutual matching among the electromagnets, the first telescopic rods, the springs, the trapezoidal electromagnetic plates and the like, the automatic mold opening and closing equipment is controlled by the control system to enable the upper mold and the lower mold to be closed, and then the automatic glue injection cutting assembly is controlled to be opened, so that the glue injection opening is used for injecting glue for a preset period of time to the product mold grooves and the runner on the upper mold and the lower mold, and at the moment, one side, which is contacted with the soft rubber, of the trapezoidal blades is positioned on the same plane with the square branch runner, the opening of the square branch runner is the largest, so that soft rubber can be rapidly filled in the product mold grooves, the time for filling the soft rubber is shortened, and the production efficiency is improved.
2. According to the invention, through the mutual matching among the electromagnet, the first telescopic rod, the spring, the trapezoid electromagnetic plate and the like, the electromagnet and the trapezoid electromagnetic plate are controlled to be connected with the second current, under the action of magnetic repulsive force, the trapezoid electromagnetic plate is pushed to move towards the center of the square branch runner again, meanwhile, the opening degree and the volume of the joint of the square branch runner and a product are reduced, so that the formed thickness of the joint of the produced product and the soft rubber waste of the square branch runner is thinner, and the later cutting and separation of the product and the soft rubber waste are facilitated.
3. According to the invention, through mutual matching among the electromagnet, the first telescopic rod, the spring, the trapezoidal electromagnetic plate, the trapezoidal blade and the like, when a product and waste are required to be cut and separated, the first preset length is extended by controlling the second electric telescopic rod, and the first electric telescopic rod is controlled to shrink by a second preset length, so that the side wall of the trapezoidal electromagnetic plate and the trapezoidal blade are in a state perpendicular to the square branch flow channel, then the trapezoidal electromagnetic plate is controlled to be connected with first current, so that the temperature of the trapezoidal electromagnetic plate is increased, the trapezoidal electromagnetic plate is contacted with the trapezoidal blade, the heat generated by the trapezoidal electromagnetic plate increases the temperature of the trapezoidal blade through the heat conducting layer, meanwhile, the magnetism between the trapezoidal electromagnetic plate and the electromagnet is increased due to the increase of the energizing current of the trapezoidal electromagnetic plate, so that the first telescopic rod is extended, the trapezoidal blade is pushed to approach the product, and the joint of the product and the square branch flow channel is thermally cut, and burr-free cutting is realized due to the fact that the trapezoidal blade is in a high-temperature state.
4. According to the invention, through mutual matching among an electromagnet, a first telescopic rod, a spring, a trapezoidal electromagnetic plate, a trapezoidal blade and the like, after burr-free cutting is completed, the first electric telescopic rod is controlled to extend by a second preset length and the second electric telescopic rod is controlled to contract by a first preset length, under the action of magnetic attraction of the trapezoidal electromagnetic plate, the trapezoidal electromagnetic plate attracts and drives the trapezoidal blade to rotate, one side of the trapezoidal blade, which is in contact with a soft rubber product, is in a horizontal state, meanwhile, due to the fact that the first electric telescopic rod extends, the first electric telescopic rod pushes the second electric telescopic rod and the trapezoidal electromagnetic plate to move towards the direction of the cutting edge of the trapezoidal blade, and finally, the side wall of the trapezoidal electromagnetic plate is flush with the cutting edge of the trapezoidal blade.
5. According to the invention, through the mutual matching between the trapezoidal electromagnetic plate, the trapezoidal blade and the like, during production, the upper die and the lower die are closed by controlling automatic die opening and closing equipment, the trapezoidal electromagnetic plate is controlled to be electrified with first current, so that heat generated by electrifying the trapezoidal electromagnetic plate is transferred to the trapezoidal blade through the heat conducting layer, the high Wen Tixing blade melts and adheres waste rubber on the port of the square through groove to the trapezoidal blade and the square through groove, the melted waste rubber is fused with newly injected soft rubber and is used as a raw material for producing a product next time, particles on the waste rubber are prevented from flowing into the product die groove last time, the produced product has flaws, resources are saved, and the quality of the product produced by the invention is improved; after the colloid is cooled and formed, magnetic attraction is generated between the trapezoid electromagnetic plate and the electromagnet, so that the trapezoid electromagnetic plate drives the first telescopic rod to shrink into the square through groove, the colloid on the trapezoid electromagnetic plate and the trapezoid blade is separated from the trapezoid electromagnetic plate and the trapezoid blade, and therefore the phenomenon that the notch at the cutting position of the product is not flush due to waste colloid when the product and the square branch runner are cut is avoided, and the quality of the produced product is improved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
In the drawings:
FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;
FIG. 2 is a right side view of the upper mold of example 1 of the present invention;
FIG. 3 is a left side view of the lower die of embodiment 1 of the present invention;
FIG. 4 is a schematic view of a flow channel structure according to the present invention;
FIG. 5 is a schematic overall structure of embodiment 2 of the present invention;
FIG. 6 is an exploded view of the part of example 2 of the present invention;
FIG. 7 is a cross-sectional view of a mold fixing plate and an upper mold according to embodiment 2 of the present invention;
FIG. 8 is an enlarged schematic view of the portion A of FIG. 7 according to the present invention;
FIG. 9 is a schematic diagram showing the connection of internal parts of a die-retention plate according to embodiment 2 of the present invention;
FIG. 10 is a schematic view of a flow channel structure according to embodiment 2 of the present invention.
In the figure: 1. an upper die; 101. a guide projection; 2. a lower die; 201. a guide groove; 3. a die fixing plate; 301. a groove; 302. a spring; 303. an electromagnet; 304. a first telescopic rod; 305. a first electric telescopic rod; 306. a support rod; 307. a second electric telescopic rod; 4. a product die cavity; 401. a flow passage; 4011. i-shaped main runner; 4012. a branch flow passage; 4013. square branch flow passage; 5. a spring ejector pin; 6. a cutter; 7. square through groove; 8. a trapezoidal blade; 9. a trapezoidal electromagnetic plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention; all other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1:
As shown in fig. 1-4, an intelligent notch device for a soft rubber product comprises an upper die 1, wherein a lower die 2 is hermetically matched on the right side of the upper die 1, the upper die 1 is fixedly connected with a die fixing plate 3, the lower die 2 is fixedly connected with the fixing plate, a plurality of product die grooves 4 are respectively arranged in the middle of the upper die 1 and the lower die 2, the product die grooves 4 are communicated through a runner 401, raised cutters are respectively arranged at the connection parts of the product die grooves 4 and the runner 401, and the connection parts of the product die grooves 4 and the runner 401 are formed to be thin in the process of rubber injection molding by arranging the raised cutters 6, so that waste rubber and products can be conveniently separated manually in the later period; the runner 401 comprises an I-shaped main runner 4011, the I-shaped main runner 4011 is communicated with a plurality of product die grooves 4 through branch runners 4012, a through groove is formed in the joint of the branch runners 4012 of the upper die 1 and the product die grooves 4, and a spring jacking pin 5 is connected in the through groove in a sliding manner.
The die fixing plate 3 and the fixing plate are connected with automatic die opening and closing equipment, a groove 301 is formed in the die fixing plate 3, and the groove 301 is fixedly connected with the ejection pin 5 through a spring 302; the upper die 1 and the lower die 2 are controlled to open and close by automatic die opening and closing equipment.
Guide lugs 101 are arranged on two sides of the upper die 1, and guide grooves 201 matched with the guide lugs 101 are arranged on two sides of the lower die 2; by providing the guide projection 101 and the guide groove 201, the guide alignment in the process of closing the upper die 1 and the lower die 2 is facilitated.
A glue injection port is arranged in a die fixing plate 3 fixedly connected with the upper die 1, and one side of the glue injection port is provided with a glue injection automatic cutting assembly; through setting up injecting glue automatic cutout subassembly, be convenient for cut off the soft rubber in the injecting glue mouth, make in the mould soft rubber and injecting glue mouth separation.
Threaded holes are formed in the upper die 1, the lower die 2 and the die fixing plate 3, and the upper die 1 and the lower die 2 are fixedly connected with the threaded holes in the die fixing plate 3 through bolts; through setting up bolt threaded connection, be convenient for change mould and mould maintenance.
Cooling liquid circulation channels are arranged in the upper die 1 and the lower die 2, and are used for rapidly cooling the soft rubber; and the production efficiency is improved.
In the glue injection molding process, the automatic opening and closing die equipment is controlled by the control system to enable the upper die 1 and the lower die 2 to be closed, the glue injection opening is controlled to open the glue injection automatic cutting assembly after the closing of the die is completed, glue is injected into the product die grooves 4 and the flow channels 401 on the upper die 1 and the lower die 2, under the elastic force of the springs 302, the ejector pins 5 penetrate through the grooves and enter the glue in the flow channels 401 to be tightly pressed, pre-pressing force is applied to the flow channels 401 after the glue is cooled and molded, meanwhile, due to the arrangement of the cutters 6, the thickness of the produced product at the joint of the produced product and the soft glue waste in the flow channels 401 is reduced, the later cutting and separation of the product and the soft glue waste are facilitated, after the glue injection is completed, the glue injection opening is stopped by controlling the glue injection automatic cutting assembly, then the cooling liquid is controlled to flow through the cooling liquid flow channels, after the glue is cooled and the glue in the die is cooled, the upper die 1 and the lower die 2 are opened by controlling the automatic opening and closing die equipment, and after the glue is cooled and the glue is molded, due to the fact that after the glue is opened, the spring 302 is self-elastic force is used to push the product to be demolded from the die.
Example 2:
based on the above embodiment 1, the above device can only achieve injection molding, demolding and pre-manufacturing separation points of the product and the waste, and cannot thoroughly separate the product and the waste, and because of the protrusion arrangement of the cutter, the time for injecting the soft rubber into the product mold cavity 4 is prolonged in the glue injection process, resulting in low production efficiency, meanwhile, in the prior art, when the product and the waste are thoroughly cut and separated by adopting the telescopic cutter, burrs are often caused on the edge of the cut product, and a part of waste rubber particles are carried on the surface of the cut cutter, so that the waste particles are mixed in the product in the subsequent new product processing and manufacturing process, and the quality of the produced product is affected.
As shown in fig. 5-10, an intelligent cutting device for a flexible glue product comprises an upper die 1, wherein a lower die 2 is hermetically matched on the right side of the upper die 1, die fixing plates 3 are symmetrically arranged on the sides, facing away from the upper die 1, of the top and the lower die 2, a plurality of product die grooves 4 are respectively arranged in the middle of the upper die 1 and the lower die 2, the product die grooves 4 are communicated through a runner 401, the runner 401 comprises an I-shaped main runner 4011, the I-shaped main runner 4011 is communicated with the product die grooves 4 through square branch runners 4013, square through grooves 7 are respectively formed in the joint of the square branch runners 4013 and the product die grooves 4, and trapezoidal blades 8 are respectively arranged in the square through grooves 7; the trapezoid blade 8 is made of ferromagnetic materials, the die fixing plate 3 is connected with automatic die opening and closing equipment, a groove 301 is formed in the die fixing plate 3, electromagnets 303 are fixedly connected in the groove 301, a first telescopic rod 304 is arranged in the groove 301, a spring 302 is sleeved outside the first telescopic rod 304, one end of the first telescopic rod 304 is fixedly connected with the electromagnets 303, a supporting rod 306 is arranged on the side wall of the other end of the first telescopic rod 304, the other end of the first telescopic rod 304 is hinged with the side wall of the trapezoid blade 8, a first electric telescopic rod 305 is fixedly connected with the side wall of the other end of the first telescopic rod 304, a second electric telescopic rod 307 is fixedly connected with the other end of the first electric telescopic rod 305, and the other end of the second electric telescopic rod 307 is fixedly connected with the trapezoid electromagnetic plate 9; the side wall of the trapezoid electromagnetic plate 9 is coated with a heat conducting layer, the trapezoid electromagnetic plate 9 is electrified and magnetically adsorbs the trapezoid blade 8, and the trapezoid electromagnetic plate and the trapezoid blade are magnetically adsorbed to form a whole and are in sealed sliding connection with the square through groove 7; one end of the spring 302 is fixedly connected with the electromagnet 303, and the other end of the spring 302 is fixedly connected with the supporting rod 306.
When no magnetic repulsive force exists between the trapezoidal electromagnetic plate 9 and the electromagnet 303, under the action of the spring 302, when the trapezoidal blade 8 is at the initial position, one side of the trapezoidal blade 8, which is in contact with the soft rubber product, is in a horizontal state and is flush with the square branch flow channel 4013.
The bottom of the first telescopic rod 304 is fixedly connected with a rotating shaft, the peripheral side face of the rotating shaft is rotationally connected with a first supporting lug, the first supporting lug is fixedly connected with the trapezoid blade 8, and the trapezoid blade 8 rotates around the first telescopic rod 304 through the first supporting lug and the rotating shaft.
When the trapezoidal electromagnetic plate 9 and the trapezoidal blade 8 are in the initial position, the side wall of the trapezoidal electromagnetic plate 9 is flush with the cutting edge of the trapezoidal blade 8.
When soft rubber products are produced, automatic mold opening and closing equipment is controlled by a control system to enable an upper mold 1 and a lower mold 2 to be closed, then an automatic glue injection cutting-off assembly is controlled to be opened, glue injection openings are used for injecting glue for preset time periods to product mold grooves 4 and flow passages 401 on the upper mold 1 and the lower mold 2, as one side, which is contacted with a trapezoid blade 8 and soft rubber, of the square branch passages 4013 is positioned on the same plane, the opening of the square branch passages 4013 is the largest, soft rubber can be rapidly injected into the product mold grooves, the time for soft rubber injection is shortened, the production efficiency is improved, after soft rubber for preset time periods is injected, a second current is conducted through controlling an electromagnet 303 and a trapezoid electromagnetic plate 9, under the action of magnetic repulsion, the trapezoid electromagnetic plate 9 is pushed to move towards the centers of the square branch passages 4013 again, meanwhile, the forming thickness of the joint of the square branch passages 4013 and soft rubber waste materials of the produced products is reduced, later cutting and separation of the products and the soft rubber waste materials is facilitated, after soft rubber injection is completed, the automatic glue injection cutting-off assembly is controlled, and then cooling liquid is rapidly injected into the cooling liquid through the cooling channels; the second current is so small that the junction between the produced product and the soft plastic waste material of the square branch channel 4013 is formed to a thickness that the product and the square branch channel 4013 will not break when the square branch channel 4013 is demolded.
After the colloid is cooled and molded, firstly, magnetic attraction is generated between the trapezoidal electromagnetic plate 9 and the electromagnet 303, so that the trapezoidal electromagnetic plate 9 drives the first telescopic rod 304 to shrink into the square through groove 7, the colloid cooled and molded on the trapezoidal electromagnetic plate 9 and the trapezoidal blade 8 is separated from the trapezoidal electromagnetic plate 9 and the trapezoidal blade 8, then, the upper die 1 and the lower die 2 are opened by controlling automatic die opening and closing equipment, and after the die is opened, under the action of magnetic repulsion force, the contact with soft rubber waste on a product is still kept, and a third current is switched in by controlling the electromagnet 303, wherein the third current is larger than the second current, and under the action of magnetic repulsion force, the trapezoidal blade 8 is pushed to move towards the center of the square branch 4013 again, so that the trapezoidal blade 8 is completely extruded from the square through groove 7, and the thermal cutting is prepared for the connection part of the product and the square branch 4013; at this time, the i-shaped main runner 4011 is not removed from the upper mold, the end of the i-shaped main runner 4011 is still inserted into the glue injection port, the product and runner 401 are not removed from the mold, and then the second electric telescopic rod 307 is controlled to extend by a first preset length, wherein the first preset length is a length that the second electric telescopic rod 307 cooperates with the first electric telescopic rod 305 to enable the side wall of the trapezoidal electromagnetic plate 9 and the trapezoidal blade 8 to be in a perpendicular state to the square branch runner 4013, the second electric telescopic rod 307 extends and pushes the trapezoidal blade 8 to rotate, and simultaneously the first electric telescopic rod 305 is controlled to retract by a second preset length, the second preset length is a length that the first electric telescopic rod 305 cooperates with the second electric telescopic rod 307 to enable the side wall of the trapezoidal electromagnetic plate 9 and the trapezoidal blade 8 to be in a perpendicular state to the square branch runner 4013, so that the side wall of the trapezoidal electromagnetic plate 9 and the trapezoidal blade 8 are in a state perpendicular to the square branch flow channel 4013, then the first current is larger than the third current by controlling the trapezoidal electromagnetic plate 9, the first current is the current which can cut off the connection part of the product and the flow channel 401, the heat generated by the trapezoidal electromagnetic plate 9 can raise the temperature of the trapezoidal blade 8 to the temperature of the soft rubber cut in a thermal cutting mode through the heat conducting layer, the trapezoidal electromagnetic plate 9 is contacted with the trapezoidal blade 8 due to the temperature rise of the trapezoidal electromagnetic plate 9, the heat generated by the trapezoidal electromagnetic plate 9 raises the temperature of the trapezoidal blade 8 through the heat conducting layer, meanwhile, the magnetism between the trapezoidal electromagnetic plate 9 and the electromagnet 303 is increased due to the current increase of the trapezoidal electromagnetic plate 9, so that the first telescopic rod 304 is extended, the trapezoidal blade 8 is pushed to approach the product, the connection part of the product and the square branch flow channel 3 is thermally cut, the trapezoidal blade 8 is in a high-temperature state, so as to realize burr-free cutting, after cutting, the trapezoidal electromagnetic plate 9 is controlled to be fed with a second current, as the current in the trapezoidal electromagnetic plate 9 is reduced, the magnetic repulsive force between the trapezoidal electromagnetic plate 9 and the electromagnet 303 is reduced, the first telescopic rod 304 is contracted, then the first electric telescopic rod 305 is controlled to extend a second preset length and the second electric telescopic rod 307 is controlled to contract a first preset length, under the action of the magnetic attraction of the trapezoidal electromagnetic plate 9, the trapezoidal electromagnetic plate 9 attracts and drives the trapezoidal blade 8 to rotate, finally, one side of the trapezoidal blade 8, which is contacted with a soft rubber product, is in a horizontal state, meanwhile, as the first electric telescopic rod 305 extends, the first electric telescopic rod 305 pushes the second electric telescopic rod 307 and the trapezoidal electromagnetic plate 9 to move towards the cutting edge of the trapezoidal blade 8, finally, the side wall of the trapezoidal electromagnetic plate 9 is flush with the cutting edge of the trapezoidal blade 8, and in the process of moving the trapezoidal electromagnetic plate 9 towards the cutting edge of the trapezoidal blade 8, because the trapezoidal electromagnetic plate 9 has magnetic attraction to the trapezoidal blade 8, the trapezoidal electromagnetic plate 9 is tightly contacted with the trapezoidal blade 8 under the action of the magnetic attraction, and the adhesive waste glue on the edge of the trapezoidal blade 8 is cleaned by the trapezoidal electromagnetic plate 9, so that the adhesive waste glue on the edge of the trapezoidal blade 8 is cleaned to the side wall of the trapezoidal electromagnetic plate 9, then the electromagnet 303 is disconnected, after the magnetic repulsion force is lost between the trapezoidal electromagnetic plate 9 and the electromagnet 303, the first telescopic rod 304 automatically restores to the initial position under the action of the tension of the spring 302, in the process of restoring the trapezoidal electromagnetic plate 9 and the trapezoidal blade 8 to the initial position, the side wall of the trapezoidal electromagnetic plate 9 is in sealed sliding connection with the square through groove 7, so that the adhesive waste glue is cleaned to the port of the square through groove 7, the product production at this time is completed, and the initial position is restored, preparing for the next production.
When in next production, the automatic mold opening and closing equipment is controlled by the control system to lead the upper mold 1 and the lower mold 2 to be closed, the trapezoidal electromagnetic plate 9 is controlled to be electrified with first current, so that heat generated by electrifying the trapezoidal electromagnetic plate 9 is transferred to the trapezoidal blade 8 through the heat conducting layer, the waste rubber on the port of the square through groove 7 is melted and adhered to the trapezoidal blade 8 and the square through groove 7 by the high-temperature trapezoidal blade 8, the melted waste rubber is fused with newly injected soft rubber and used as a raw material for next production, particles on the last waste rubber are prevented from flowing into the product mold groove 4, the produced product is provided with flaws, and meanwhile, the new rubber is assisted to be manufactured by using the last waste rubber, so that the resource is saved, and the utilization rate of the raw material is improved; then, the automatic glue injection cutting assembly is controlled to be started, so that glue injection openings perform glue injection for preset time periods on the product mould grooves 4 and the flow channels 401 on the upper mould 1 and the lower mould 2, and as one side, which is contacted with the glue, of the trapezoid blade 8 is positioned on the same plane with the square branch flow channels 4013, the opening of the square branch flow channels 4013 is the largest, so that the glue can be rapidly filled into the product mould grooves, the time for filling the glue is shortened, the production efficiency is improved, after glue injection for preset time periods is performed, the trapezoid electromagnetic plate 9 is electrified with first current, heat generated by electrifying the trapezoid electromagnetic plate 9 is transferred to the trapezoid blade 8 through the heat conducting layer, and waste glue at the ports of the trapezoid blade 8 and the square through grooves 7 is melted and is combined with glue filled into a whole body with the glue in the flow channels 401; after the colloid is cooled and formed, magnetic attraction is generated between the trapezoidal electromagnetic plate 9 and the electromagnet 303, so that the trapezoidal electromagnetic plate 9 drives the first telescopic rod 304 to shrink into the square through groove 7, and the colloid on the trapezoidal electromagnetic plate 9 and the trapezoidal blade 8 is separated from the trapezoidal electromagnetic plate 9 and the trapezoidal blade 8, thereby avoiding the occurrence of the condition that the notch at the cutting position of the product is not flush due to waste colloid when the product and the square branch channel 4013 are cut, and further improving the production efficiency and the quality of the produced product.
The invention also provides an intelligent cutting method of the soft rubber product, which uses the intelligent cutting device and comprises the following detailed operation steps:
S1, closing an upper die 1 and a lower die 2 by controlling automatic die opening and closing equipment, controlling a trapezoidal electromagnetic plate 9 to supply a first current, enabling heat generated by electrifying the trapezoidal electromagnetic plate 9 to be transferred to a trapezoidal blade 8 through a heat conducting layer, enabling a high Wen Tixing blade 8 to melt and adhere waste rubber on a port of a square through groove 7 to the trapezoidal blade 8, and fusing the melted waste rubber with newly injected soft rubber to be used as a raw material for producing a product next time; then controlling the automatic glue injection cutting assembly to be opened, so that the glue injection ports perform glue injection for preset time periods on the product mould grooves 4 and the flow channels 401 on the upper mould 1 and the lower mould 2;
S2, after soft rubber with preset duration is filled, a second current is conducted through controlling the electromagnet 303 and the trapezoidal electromagnetic plate 9, magnetic repulsive force is generated between the electromagnet 303 and the trapezoidal electromagnetic plate 9, the forming thickness of the joint of the produced product and soft rubber waste of the square branch runner 4013 is reduced, after the soft rubber is filled, the automatic cutting-off assembly for the injection is controlled to be closed, the injection opening is stopped, and then cooling liquid is controlled to flow through the cooling liquid circulation channel, so that the soft rubber in the die is rapidly cooled;
s3, after the colloid is cooled and formed, magnetic attraction is generated between the trapezoidal electromagnetic plate 9 and the electromagnet 303, so that the trapezoidal electromagnetic plate 9 drives the first telescopic rod 304 to shrink into the square through groove 7, and the colloid cooled and formed on the trapezoidal electromagnetic plate 9 and the trapezoidal blade 8 is separated from the trapezoidal electromagnetic plate 9 and the trapezoidal blade 8;
S4, opening the upper die 1 and the lower die 2 by controlling automatic die opening and closing equipment, then switching in a third current by controlling the electromagnet 303, generating magnetic repulsive force between the electromagnet 303 and the trapezoidal electromagnetic plate 9, and completely sliding the trapezoidal blade 8 out of the square through groove 7 to prepare for hot cutting at the joint of the product and the square branch runner 4013;
S5, after the trapezoid blade 8 slides out of the square through groove 7 completely, the second electric telescopic rod 307 is controlled to extend a first preset length, and meanwhile the first electric telescopic rod 305 is controlled to shrink a second preset length, so that the side wall of the trapezoid electromagnetic plate 9 and the trapezoid blade 8 are in a state perpendicular to the square branch flow channel 4013, then the trapezoid electromagnetic plate 9 is controlled to be connected with a first current, so that heat generated by the trapezoid electromagnetic plate 9 is transferred to the trapezoid blade 8 through the heat conducting layer, the temperature of the trapezoid blade 8 is increased, the trapezoid blade 8 is pushed to approach a product by the trapezoid electromagnetic plate 9, and the joint of the product and the square branch flow channel 4013 is cut by heat;
S6, after cutting is completed, controlling the trapezoidal electromagnetic plate 9 to be supplied with a second current, then controlling the first electric telescopic rod 305 to extend by a second preset length and controlling the second electric telescopic rod 307 to shrink by a first preset length, so that one side of the trapezoidal blade 8, which is in contact with a soft rubber product, is in a horizontal state, cleaning sticky waste rubber on the cutting edge of the trapezoidal blade 8 by the trapezoidal electromagnetic plate 9, cleaning the sticky waste rubber on the cutting edge of the trapezoidal blade 8 to the side wall of the trapezoidal electromagnetic plate 9, and finally enabling the side wall of the trapezoidal electromagnetic plate 9 to be flush with the cutting edge of the trapezoidal blade 8;
S7, the electromagnet 303 is powered off, so that the first telescopic rod 304 automatically restores to the initial position, and the sticky waste rubber is cleaned to the port of the square through groove 7, and the production of products is completed.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an intelligent incision device of flexible glue product, includes mould, its characterized in that: the right side of the upper die is matched with a lower die in a sealing way, die fixing plates are symmetrically arranged on one sides, away from the top of the upper die, of the lower die, a plurality of product die grooves are formed in the middle of the upper die and the lower die, the product die grooves are communicated through runners, the runners comprise I-shaped main runners, the I-shaped main runners are communicated with the product die grooves through square branch runners, square through grooves are formed in the joint of the square branch runners and the product die grooves, and trapezoidal blades are arranged in the square through grooves; the trapezoid cutter blade is made of ferromagnetic materials, the die fixing plate is connected with automatic die opening and closing equipment, a groove is formed in the die fixing plate, electromagnets are fixedly connected in the groove, a first telescopic rod is arranged in the groove, a spring is sleeved outside the first telescopic rod, one end of the first telescopic rod is fixedly connected with the electromagnets, a supporting rod is arranged on the side wall of the other end of the first telescopic rod, the other end of the first telescopic rod is hinged to the side wall of the trapezoid cutter blade, a first electric telescopic rod is fixedly connected to the side wall of the other end of the first telescopic rod, a second electric telescopic rod is fixedly connected to the other end of the first electric telescopic rod, and a trapezoid electromagnetic plate is fixedly connected to the other end of the second electric telescopic rod; the side wall of the trapezoid electromagnetic plate is coated with a heat conducting layer; the trapezoidal electromagnetic plate is electrified and magnetically adsorbs the trapezoidal blade, and the trapezoidal electromagnetic plate and the trapezoidal blade are magnetically adsorbed to form a whole and are in sliding sealing connection with the square through groove; one end of the spring is fixedly connected with the electromagnet, and the other end of the spring is fixedly connected with the supporting rod;
before soft rubber is injected, the first current is conducted through the trapezoid electromagnetic plate, so that heat generated by electrifying the trapezoid electromagnetic plate is transferred to the trapezoid blade through the heat conducting layer, and the trapezoid blade in a high temperature state melts and adheres the waste rubber on the port of the square through groove to the trapezoid blade and the square through groove, and the melted waste rubber is fused with the newly injected soft rubber and is used as a raw material for producing products next time;
After the colloid is cooled and formed, magnetic attraction is generated between the trapezoidal electromagnetic plate and the electromagnet, so that the trapezoidal electromagnetic plate drives the first telescopic rod to shrink into the square through groove, and the colloid cooled and formed on the trapezoidal electromagnetic plate and the trapezoidal blade is separated from the trapezoidal electromagnetic plate and the trapezoidal blade;
After the trapezoid blade slides out of the square through groove completely, the second electric telescopic rod is controlled to extend for a first preset length, and meanwhile the first electric telescopic rod is controlled to shrink for a second preset length, so that the side wall of the trapezoid electromagnetic plate and the trapezoid blade are in a state perpendicular to the square branch flow channel, then the trapezoid electromagnetic plate is controlled to be connected with a first current, so that heat generated by the trapezoid electromagnetic plate is transferred to the trapezoid blade through the heat conducting layer, the temperature of the trapezoid blade is increased, and meanwhile the trapezoid electromagnetic plate pushes the trapezoid blade to approach to a product and thermally cuts the joint of the product and the square branch flow channel;
The upper die is fixedly connected with the die fixing plate, a glue injection port is arranged in the die fixing plate, and one side of the glue injection port is provided with a glue injection automatic cutting assembly.
2. The intelligent cutting device for soft rubber products according to claim 1, wherein: after soft rubber with preset duration is filled, the electromagnet and the trapezoidal electromagnetic plate are controlled to be connected with a second current, magnetic repulsive force is generated between the electromagnet and the trapezoidal electromagnetic plate, the trapezoidal electromagnetic plate is pushed to move towards the center of the square branch flow channel under the action of the magnetic repulsive force, and the forming thickness of the joint of the produced product and the soft rubber waste of the square branch flow channel is reduced.
3. The intelligent cutting device for soft rubber products according to claim 1, wherein: after the die is opened, a third current is connected to the electromagnet by controlling the electromagnet, magnetic repulsion force is generated between the electromagnet and the trapezoid electromagnetic plate, the third current is larger than the second current, the trapezoid electromagnetic plate is pushed to move towards the center of the square branch flow channel again under the action of the magnetic repulsion force, and the trapezoid blade slides out of the square through groove completely, so that preparation is made for hot cutting at the joint of a product and the square branch flow channel.
4. The intelligent cutting device for soft rubber products according to claim 1, wherein: and cooling liquid circulation channels are formed in the upper die and the lower die and are used for rapidly cooling the soft rubber and the blades.
5. The intelligent cutting device for soft rubber products according to claim 1, wherein: the bottom of the first telescopic rod is fixedly connected with a rotating shaft, the peripheral side face of the rotating shaft is rotationally connected with a first supporting lug, and the first supporting lug is fixedly connected with the trapezoidal blade.
6. The intelligent cutting device for soft rubber products according to claim 1, wherein: when the trapezoid blade is in an initial position, one side, in contact with the soft rubber product, of the trapezoid blade is in a horizontal state and is flush with the square branch flow channel.
7. The intelligent cutting device for soft rubber products according to claim 1, wherein: when the trapezoidal electromagnetic plate and the trapezoidal blade are in the initial position, the side wall of the trapezoidal electromagnetic plate is flush with the cutting edge of the trapezoidal blade.
8. An intelligent cutting method for soft rubber products, which utilizes the intelligent cutting device for soft rubber products as claimed in any one of claims 1 to 7, and is characterized by comprising the following operation steps:
s1, closing an upper die and a lower die by controlling the automatic die opening and closing equipment, controlling the trapezoidal electromagnetic plate to supply a first current, enabling heat generated by electrifying the trapezoidal electromagnetic plate to be transferred to a trapezoidal blade through a heat conducting layer, melting and adhering waste rubber on a square through groove port by the trapezoidal blade in a high-temperature state, and fusing the melted waste rubber with newly injected soft rubber and taking the melted waste rubber as a raw material for next production of products; then controlling the automatic glue injection cutting assembly to be opened, so that the glue injection port performs glue injection for a preset time period on the product mould grooves and the flow channels on the upper mould and the lower mould;
S2, after soft rubber with preset duration is filled, a second current is conducted through controlling the electromagnet and the trapezoidal electromagnetic plate, magnetic repulsive force is generated between the electromagnet and the trapezoidal electromagnetic plate, the forming thickness of the joint of the produced product and the soft rubber waste material of the square branch flow channel is reduced, after the soft rubber is filled, the automatic cutting-off assembly for the injection is controlled to be closed, the injection opening stops injecting the rubber, and then cooling liquid is controlled to flow through the cooling liquid circulation channel, so that the soft rubber in the die is rapidly cooled;
S3, after the colloid is cooled and formed, magnetic attraction is generated between the trapezoidal electromagnetic plate and the electromagnet, so that the trapezoidal electromagnetic plate drives the first telescopic rod to shrink into the square through groove, and the colloid cooled and formed on the trapezoidal electromagnetic plate and the trapezoidal blade is separated from the trapezoidal electromagnetic plate and the trapezoidal blade;
s4, opening the upper die and the lower die by controlling the automatic die opening and closing equipment, then switching in a third current by controlling the electromagnet, generating magnetic repulsive force between the electromagnet and the trapezoidal electromagnetic plate, and completely sliding out the trapezoidal blade from the square through groove so as to prepare for hot cutting at the joint of the product and the square branch runner;
S5, after the trapezoid blade slides out of the square through groove completely, the second electric telescopic rod is controlled to extend for a first preset length, and meanwhile the first electric telescopic rod is controlled to shrink for a second preset length, so that the side wall of the trapezoid electromagnetic plate and the trapezoid blade are in a state perpendicular to the square branch flow channel, then the trapezoid electromagnetic plate is controlled to be connected with a first current, so that heat generated by the trapezoid electromagnetic plate is transferred to the trapezoid blade through the heat conducting layer, the temperature of the trapezoid blade is increased, and meanwhile the trapezoid electromagnetic plate pushes the trapezoid blade to approach to a product and thermally cuts the joint of the product and the square branch flow channel;
s6, after cutting is completed, controlling the trapezoidal electromagnetic plate to be supplied with a second current, then controlling the first electric telescopic rod to extend by a second preset length and controlling the second electric telescopic rod to shrink by a first preset length, so that one side of the trapezoidal blade, which is in contact with the soft rubber product, is in a horizontal state, cleaning the sticky waste rubber on the trapezoidal blade edge by the trapezoidal electromagnetic plate, cleaning the sticky waste rubber at the trapezoidal blade edge to the side wall of the trapezoidal electromagnetic plate, and finally enabling the side wall of the trapezoidal electromagnetic plate to be flush with the trapezoidal blade edge;
S7, the electromagnet power supply is disconnected, and the first telescopic rod automatically restores to the initial position, so that the sticky waste rubber is cleaned to the square through groove port, and the production of products is completed.
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| CN115071076B (en) * | 2022-08-22 | 2023-02-03 | 江苏绿能家电科技有限公司 | Plastic product mouth of a river resection device |
| CN116852649B (en) * | 2023-07-12 | 2024-06-18 | 深圳市鼎盛精密工业有限公司 | Continuous injection mold of cell-phone shell |
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