CN114905710A - Stroke adjusting system and method of three-plate type injection molding machine clamping mechanism - Google Patents
Stroke adjusting system and method of three-plate type injection molding machine clamping mechanism Download PDFInfo
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- CN114905710A CN114905710A CN202210434582.9A CN202210434582A CN114905710A CN 114905710 A CN114905710 A CN 114905710A CN 202210434582 A CN202210434582 A CN 202210434582A CN 114905710 A CN114905710 A CN 114905710A
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 31
- 230000007246 mechanism Effects 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000006073 displacement reaction Methods 0.000 claims description 37
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 32
- 229910052742 iron Inorganic materials 0.000 claims description 16
- 238000005259 measurement Methods 0.000 claims description 9
- 239000000696 magnetic material Substances 0.000 claims description 3
- 239000000523 sample Substances 0.000 claims description 3
- 230000004044 response Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 239000004033 plastic Substances 0.000 description 7
- 229920003023 plastic Polymers 0.000 description 7
- 230000008569 process Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000001846 repelling effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
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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
- B29C45/76—Measuring, controlling or regulating
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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
- B29C45/64—Mould opening, closing or clamping devices
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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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76344—Phase or stage of measurement
- B29C2945/76391—Mould clamping, compression of the cavity
Abstract
The application relates to a stroke adjusting system of a clamping mechanism of a three-plate injection molding machine and an adjusting method thereof, relating to the field of stroke adjustment, wherein the stroke adjusting system of the clamping mechanism of the three-plate injection molding machine comprises a machine base, a fixed plate, a movable plate and a clamping plate, the fixed plate is fixedly connected with the base, the movable plate is slidably connected with the base, a plurality of slide bars are vertically and fixedly arranged on the fixed plate, the moving plate is slidably arranged on the slide bars in a penetrating way, a plurality of slide bars are slidably arranged on the lock template in a penetrating way, the lock template is connected with the base in a sliding way, the slide bar is provided with a driving component, the driving component comprises a driving magnet, a coil and a power supply, the driving magnet is fixedly arranged at one end, far away from the fixed plate, of the sliding rod, the coil is sleeved on the sliding rod and connected with the mold locking plate, and the power supply is electrically connected with the coil. This application has the effect that the position that makes between lock template and the frame can be adjusted.
Description
Technical Field
The application relates to the field of stroke adjustment, in particular to a stroke adjusting system of a clamping mechanism of a three-plate injection molding machine and an adjusting method thereof.
Background
An injection molding machine is a main device for making thermoplastic plastics or thermosetting plastics into plastic products of various shapes by using a plastic molding die.
At present, the injection molding machine most commonly used is three board-like injection molding machine, three board-like injection molding machine includes the frame, the fixed plate, movable plate and mode locking plate, the fixed plate, the mode locking plate is all fixed to be set up on the frame, the fixed plate sets up with the mode locking plate just to setting up, the movable plate sets up between fixed plate and mode locking plate, and with frame sliding connection, the fixed a plurality of slide bar that is provided with on the fixed plate, a plurality of slide bar all sets up perpendicularly with the fixed plate, a plurality of slide bar all wears to establish at the movable plate, on the mode locking plate, the movable plate all sliding connection of a plurality of slide bar, the mode locking plate all fixed connection of a plurality of slide bar, be provided with crank arm mechanism between movable plate and the mode locking plate. When the plastic product manufacturing device is used, the crank arm mechanism drives the moving plate to slide on the sliding rod, and the plastic product manufacturing is completed through die assembly and die opening.
Because the locking template is fixedly connected with the base, the size of the plastic product manufactured by the injection molding machine is difficult to adjust, and the range of the injection molding machine for processing the product is further limited.
Disclosure of Invention
In order to enable the position between the mold locking plate and the base to be adjusted, the application provides a stroke adjusting system of a mold locking mechanism of a three-plate injection molding machine and an adjusting method thereof.
In a first aspect, the application provides a stroke adjusting system of a clamping mechanism of a three-plate injection molding machine, which adopts the following technical scheme:
the utility model provides a stroke governing system of three board-like injection molding machine clamping mechanism, includes frame, fixed plate, movable plate and mode locking plate, the fixed plate with frame fixed connection, the movable plate with frame sliding connection, the vertical fixation is provided with a plurality of slide bar on the fixed plate, the movable plate slides and wears to establish on the slide bar, a plurality of the slide bar slides and wears to establish on the mode locking plate, the mode locking plate with frame sliding connection, be provided with drive assembly on the slide bar, drive assembly includes driving magnet, coil and power, driving magnet is fixed to be set up the slide bar is kept away from the one end of fixed plate, the coil cover is established on the slide bar, and with the mode locking plate is connected, the power is fixed to be set up on the mode locking plate, the power with the coil electricity is connected.
Through adopting above-mentioned technical scheme, the power provides the electric current for the coil, the electric current in the coil makes the coil of circular telegram produce magnetic field, produce interact's magnetic force between coil and the drive magnet, the direction through electric current in the adjustment coil can make and produce the magnetic force of inter attraction or mutual repulsion between coil and the drive magnet, thereby under magnetic action, the coil can push the relative frame of lock template and slide, thereby make the position of lock template to adjust, make three board-like injection molding machines can adapt to the production of more size plastic products.
Optionally, the clamping plate is close to one side fixedly connected with electro-magnet of frame, electro-magnet sliding connection has the slide rail, the slide rail with frame fixed connection, the electro-magnet with the power electricity is connected, the slide rail adopts magnetic material to make and forms.
Through adopting above-mentioned technical scheme, after the mode locking board accomplished position control, the power provided the electric current for the electro-magnet, produced magnetic force after the electro-magnet circular telegram, the electro-magnet passes through magnetic force and slide rail and adsorbs each other to make mode locking board and frame easily fixed, make mode locking board easily keep with the fixed state of frame in the process of moulding plastics.
Optionally, be provided with control assembly on the lock template, control assembly includes controller and infrared displacement sensor, the controller infrared displacement sensor all fixes the setting and is in on the lock template, infrared displacement sensor's probe is directional drive magnet, the controller with the power infrared displacement sensor is equal to be connected electrically, infrared displacement sensor outputs displacement signal, the controller is responded to displacement signal control the power is right the coil the circular telegram of electro-magnet, outage and the power supply is to coil supply current's size and direction.
By adopting the technical scheme, the infrared displacement sensor can measure the distance between the locking template and the driving magnet, the controller controls the power supply to provide current for the coil according to the measurement data of the infrared displacement sensor, the moving direction of the locking template is controlled through the direction of the control current, the magnitude of the current in the coil is controlled according to the distance between the locking template and the driving magnet, the magnetic force between the coil and the driving magnet is in a stable state, when the locking template moves to a set position, the controller controls the power supply to cut off the power of the coil, the electromagnet is powered on simultaneously, the electromagnet is adsorbed to the sliding rail through the magnetic force after being powered on, the position of the locking template is adjusted through the driving magnet and the powered coil, and after the locking template is adjusted, the locking template and the base are fixed through the electromagnet.
Optionally, a soft iron block is arranged between the mold locking plate and the sliding rod, the soft iron block is slidably connected with the sliding rod and fixedly connected with the mold locking plate, and the coil is spirally arranged on the soft iron block in a penetrating manner.
Through adopting above-mentioned technical scheme, wear to establish the coil on the soft iron piece for the magnetic force of coil can obtain strengthening, and makes the magnetic force demagnetization of coil fast, makes the magnetic force of coil easily change.
Optionally, the two ends of the sliding rail are both fixedly provided with limiting blocks.
Through adopting above-mentioned technical scheme, the stopper at slide rail both ends makes the lock template be difficult for deviating from the slide rail when sliding to the both ends of slide rail, has also injectd the stroke of lock template simultaneously.
Optionally, a roller pin is rotatably arranged on one side of the slide rail close to the electromagnet.
By adopting the technical scheme, the rolling needle is arranged on the sliding rail, so that the sliding friction between the electromagnet and the sliding rail is converted into rolling friction, and the electromagnet is not easy to wear due to friction with the sliding rail.
Optionally, both ends of the electromagnet can be detachably connected with sponges, and the sponges are located in the sliding rail and are in sliding connection with the sliding rail.
By adopting the technical scheme, the sponge is arranged at the two ends of the electromagnet, the lubricating oil accumulated in the slide rail can be absorbed through the sponge, and the slide rail can be cleaned, so that the slide rail is clean and is not easy to accumulate impurities; when the electromagnet strikes at the limiting block, the sponge can reduce the impact force of the electromagnet striking at the limiting block, so that the electromagnet is not easy to damage when striking with the limiting block.
Optionally, one side of the sponge close to the electromagnet is fixedly connected with a magnetic sheet, and the magnetic sheet is adsorbed on the electromagnet.
Through adopting above-mentioned technical scheme, pass through the magnetic sheet with the sponge and adsorb on the electro-magnet for the sponge is convenient for install and dismantle, and then the cleanness and the change of the sponge of being convenient for.
In a second aspect, the present application provides a method for adjusting a stroke adjusting system of a clamping mechanism of a three-plate injection molding machine, which adopts the following technical scheme:
an adjusting method of a stroke adjusting system of a clamping mechanism of a three-plate injection molding machine comprises the following steps:
inputting a set value: inputting a distance value between the lock template and the driving magnet in the controller as a set value;
measuring the measured value: the infrared displacement sensor measures the distance between the lock template and the driving magnet as a measured value and transmits the measured value to the controller;
numerical comparison: the controller calculates the difference between the measured value and the set value and calculates the difference;
the lock template moves: when the difference value is positive, the controller supplies a forward current to the coil, the energized coil generates mutually attracted magnetic force to the driving magnet, so that the lock template moves towards the direction close to the driving magnet, and when the difference value is negative, the controller supplies a reverse current to the coil, the energized coil generates mutually repulsive magnetic force to the driving magnet, so that the lock template moves towards the direction far away from the driving magnet;
current control: during the movement of the clamping plate, the controller controls the magnitude of current supplied to the coil by the power supply according to the measured value output by the infrared displacement sensor;
the clamping plate is fixed: when the distance between the locking template and the driving magnet is equal to a set value, the controller controls the power supply to enable the coil to be powered off, meanwhile, the controller controls the power supply to supply power to the electromagnet, and the electromagnet and the sliding rail are adsorbed to enable the locking template to be fixed with the base.
By adopting the technical scheme, the set value is compared with the measured value, and the direction of the current in the coil is controlled according to the difference value, so that the movement of the clamping plate is convenient and simple to control and is easier to control; after the moving direction is determined, the controller supplies current with corresponding magnitude to the coil according to the measured value, so that the magnetic force between the coil and the driving magnet can be in a stable state, the change of the magnetic force caused by the distance between the coil and the driving magnet is not easy to occur, the locking template is easy to keep in a uniform acceleration state in the moving process, the moving speed of the locking template is further easy to control, the moving distance of the locking template is easy to control, and the locking template is easy to position; after the mode locking plate moves to the set position, the controller controls the current of the power supply disconnection coil, and the electromagnet is electrified, so that the magnetic force between the coil and the driving magnet is eliminated, the electromagnet and the sliding rail are mutually adsorbed, the mode locking plate is fixedly connected with the electromagnet, and then the mode locking plate is switched while moving and fixing.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the locking template can move on the sliding rail through mutual attraction or mutual repulsion of the coil and the driving magnet, so that the position of the locking template on the base can be conveniently adjusted;
2. the clamping plate is easy to fix with the slide rail through the adsorption of the electromagnet and the slide rail;
3. the controller controls the current of the power supply coil, so that the movement of the locking template is convenient to control, and the positioning accuracy of the locking template is improved.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present application;
fig. 2 is an enlarged view at a in fig. 1.
Description of reference numerals:
1. a machine base; 11. a slide rail; 111. a limiting block; 112. rolling needles; 2. a fixing plate; 21. a slide bar; 3. moving the plate; 4. locking the template; 41. a soft iron block; 42. a sponge; 421. a magnetic sheet; 5. a drive assembly; 51. a drive magnet; 52. a coil; 53. a power source; 6. an electromagnet; 7. a control component; 71. a controller; 72. an infrared displacement sensor.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses a stroke adjusting system of a clamping mechanism of a three-plate injection molding machine. Referring to fig. 1, a stroke adjusting system of a clamping mechanism of a three-plate injection molding machine comprises a base 1, a fixed plate 2, a movable plate 3 and a clamping plate 4, wherein the fixed plate 2 is fixedly arranged on the base 1, the movable plate 3 and the clamping plate 4 are slidably arranged on the base 1, the clamping plate 4 is provided with a driving assembly 5 and a control assembly 7, the driving assembly 5 is used for driving the clamping plate 4 to slide on the base 1, and the control assembly 7 is used for controlling the sliding of the clamping plate 4 and the base 1 and the fixing of the clamping plate 4 and the base 1.
When the injection molding machine is used, the driving assembly 5 drives the locking template 4 to slide on the machine base 1, and the control assembly 7 controls the movement and fixation of the locking template 4, so that the stroke of the locking template 4 on the machine base 1 is convenient to adjust, and the size of a plastic product manufactured by the injection molding machine is convenient to adjust.
Referring to fig. 1, frame 1 is rectangular block-shaped, and the level sets up, fixed plate 2 vertical fixation sets up the top surface at frame 1, and is located frame 1 length direction's one end, movable plate 3, lock template 4 all is rectangular plate-like, and all sets up with frame 1 top surface is perpendicular, movable plate 3, lock template 4 all is located frame 1's top surface, and all is located one side of fixed plate 2, lock template 4 is located one side that fixed plate 3 kept away from fixed plate 2, movable plate 3, lock template 4 arranges along frame 1's length direction.
Four apex angle departments of fixed plate 2 all fixedly are provided with columniform slide bar 21, and four slide bars 21 all set up with fixed plate 2 is perpendicular, and are located one side that fixed plate 2 is close to movable plate 3, and the length direction of slide bar 21 is the same with the length direction of frame 1, and four slide rails 11 all wear to establish at four apex angle departments of movable plate 3, mode locking plate 4, and slide bar 21 and movable plate 3, the equal sliding connection of mode locking plate 4.
Referring to fig. 2, a soft iron block 41 is arranged between the mold clamping plate 4 and the slide rod 21, the soft iron block 41 is in a cylindrical ring shape, the soft iron block 41 is coaxially arranged with the slide rod 21 and is slidably connected, the inner diameter of the soft iron block 41 is equal to the outer diameter of the slide rod 21, and the soft iron block 41 is fixedly connected with the mold clamping plate 4.
Referring to fig. 1 and 2, the driving assembly 5 includes four driving magnets 51, a coil 52 and a power source 53, the driving magnets 51 are disposed in four shapes, each driving magnet 51 has a rectangular plate shape, the four driving magnets 51 correspond to the four sliding rods 21 one by one, the driving magnets 51 are fixedly disposed at one ends of the sliding rods 21 far away from the fixed plate 2, and the axis of the sliding rod 21 is perpendicular to the side surfaces of the driving magnets 51 and coincides with the center of the driving magnets 51.
The coil 52 is spirally arranged in the soft iron block 41 and fixedly connected with the soft iron block 41, and the spiral axis of the coil 52 is superposed with the axis of the soft iron block 41. The power source 53 is fixedly disposed on the top surface of the platen 4 and electrically connected to the coil 52.
Referring to fig. 1, a slide rail 11 is arranged between the bottom surface of the mold locking plate 4 and the top surface of the machine base 1, the slide rail 11 is fixedly arranged on the top surface of the machine base 1 and is slidably connected with the mold locking plate 4, the length direction of the slide rail 11 is the same as the length direction of the slide rod 21, and the slide rail 11 is made of a magnetic material. Rectangular block-shaped limiting blocks 111 are fixedly arranged at two ends of the slide rail 11 in the length direction.
Referring to fig. 1 and 2, an electromagnet 6 is slidably disposed in the slide rail 11, the electromagnet 6 is fixedly connected to the clamping plate 4 and is rectangular, the length direction of the electromagnet 6 is the same as the length direction of the slide rail 11, the length of the electromagnet is equal to the thickness of the clamping plate 4, and the electromagnet 6 is electrically connected to a power supply 53.
Referring to fig. 2, a plurality of roller pins 112 are arranged between one side of the electromagnet 6 away from the lock template 4 and the slide rail 11, the plurality of roller pins 112 are arranged along the length direction of the slide rail 11, the roller pins 112 are rotatably connected with the slide rail 11, and the rotation axis is perpendicular to the length direction of the slide rail 11.
The both ends of 6 length direction of electro-magnets all are provided with sponge 42, and sponge 42 is rectangular block form, and is located slide rail 11, and sponge 42 and slide rail 11 sliding connection, the length direction of sponge 42 is the same with the length direction of slide rail 11. One end of the sponge 42 close to the electromagnet 6 is fixedly connected with a magnetic sheet 421, the magnetic sheet 421 is in a rectangular sheet shape, and the magnetic sheet 421 is adsorbed on the electromagnet 6.
When the mold locking device is used, the power supply 53 supplies current to the coil 52, the energized coil 52 and the driving magnet 51 generate magnetic force which is mutually attracted or mutually repelled, and the mold locking plate 4 moves under the action of the magnetic force of the coil 52 and the driving magnet 51, so that the position of the mold locking plate 4 on the slide rail 11 is conveniently adjusted; when the locking die plate 4 moves to the set position, the power supply 53 deenergizes the coil 52 and energizes the electromagnet 6, so that the locking die plate 4 can be fixed to the slide rail 11 after the position adjustment is completed.
Referring to fig. 1, the control assembly 7 includes a controller 71 and an infrared displacement sensor 72, the infrared displacement sensor 72 is located above one of the slide bars 21 and is fixedly connected to the clamping plate 4, the length direction of the infrared displacement sensor 72 is perpendicular to the driving magnet 51, and infrared light emitted from the probe is irradiated on the driving magnet 51.
Referring to fig. 1 and 2, the controller 71 is fixedly disposed on the top surface of the clamping plate 4, and is electrically connected to both the infrared displacement sensor 72 and the power supply 53. The infrared displacement sensor 72 outputs a displacement signal, and the controller 71 controls the energization and deenergization of the coil 52 and the electromagnet 6 by the power supply 53 and the magnitude and direction of the current supplied to the coil 52 by the power supply 53 in response to the displacement signal.
During the use, infrared displacement sensor 72 measures the distance between match plate 4 and drive magnet 51, and output displacement signal, controller 71 responds to direction and the size that displacement signal control power 53 supplied current to coil 52, makes match plate 4 remove under the magnetic force effect, and when match plate 4 removed the settlement position, controller 71 control power 53 made coil 52 outage, and controller 71 control power 53 made the electro-magnet 6 circular telegram simultaneously, thereby make match plate 4 and slide rail 11 fixed, and then the accurate position control who accomplishes match plate 4.
The implementation principle of the stroke adjusting system of the clamping mechanism of the three-plate injection molding machine in the embodiment of the application is as follows: when the device is used, the infrared displacement sensor 72 measures the distance between the locking template 4 and the driving magnet 51 and outputs a displacement signal, the controller 71 responds to the displacement signal to control the magnitude and the direction of current supplied to the coil 52 by the power supply 53, magnetic force which is mutually attracted or repelled is generated between the electrified coil 52 and the driving magnet 51, and the locking template 4 is moved by the magnetic force; when the locking template 4 moves to a set position, the controller 71 controls the power supply 53 to cut off the power of the coil 52, and controls the electromagnet 6 to be electrified, so that the electromagnet 6 and the slide rail 11 are mutually adsorbed, the locking template 4 and the slide rail 11 are fixed, and the position between the locking template 4 and the machine base 1 can be adjusted.
The embodiment of the application also discloses an adjusting method of the stroke adjusting system of the clamping mechanism of the three-plate injection molding machine, which comprises the following steps:
inputting a set value: inputting a value of a distance between the lock mold plate 4 and the driving magnet 51 as a set value in the controller 71;
measurement of the measurement values: the infrared displacement sensor 72 measures the distance between the lock mold plate 4 and the driving magnet 51 as a measurement value, and transmits the measurement value to the controller 71;
numerical comparison: the controller 71 calculates a difference between the measured value and the set value, and calculates a difference;
the lock template 4 moves: when the difference is positive, the controller 71 supplies a forward current to the coil 52, the coil 52 after the energization generates a magnetic force attracting each other to the drive magnet 51, and the lock plate 4 moves in a direction approaching the drive magnet 51 on the slide rail 11 and the slide bar 21, and when the difference is negative, the controller 71 supplies a reverse current to the coil 52, the coil 52 after the energization generates a magnetic force repelling each other to the drive magnet 51, and the lock plate 4 moves in a direction away from the drive magnet 51 on the slide rail 11 and the slide bar 21;
current control: during the movement of the clamping plate 4, the controller 71 controls the magnitude of the current supplied from the power supply 53 to the coil 52 according to the measured value output from the infrared displacement sensor 72;
cleaning the slide rail 11: in the moving process of the mold clamping plate 4, the electromagnet 6 drives the sponge 42 to move in the slide rail 11, and the sponge 42 cleans the slide rail 11 and adsorbs oil stains in the slide rail 11;
and (4) fixing the lock template: when the distance between the locking plate 4 and the driving magnet 51 is equal to a set value, the controller 71 controls the power supply 53 to cut off the power of the coil 52, and simultaneously the controller 71 controls the power supply 53 to supply power to the electromagnet 6, and the electromagnet 6 is adsorbed to the slide rail 11 to fix the locking plate 4 and the machine base 1.
During the use, through the contrast of infrared displacement sensor 72's measured value and setting value, confirm the moving direction of jam plate 4, then controller 71 control power 53 supplies power to coil 52, adjusts the size of coil 52 electric current constantly according to the measured value simultaneously for jam plate 4 easily carries out even accelerated movement, thereby easily controls the moving process of jam plate 4, makes the regulation of jam plate 4 position easily accurate control.
When the locking template 4 moves to the set position, the controller 71 controls the power supply 53 to cut off the power of the coil 52 and simultaneously energize the electromagnet 6, so that the magnetic force between the coil 52 and the driving magnet 51 is eliminated, and simultaneously, the electromagnet 6 and the slide rail 11 generate magnetic force, so that the locking template 4 and the slide rail 11 are fixed, the locking template 4 can be timely stopped to move when moving to the set position, the position fixing is completed, and the movement of the locking template 4 is easily and accurately controlled.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The stroke adjusting system of the clamping mechanism of the three-plate injection molding machine comprises a machine base (1), a fixed plate (2), a movable plate (3) and a locking template (4), wherein the fixed plate (2) is fixedly connected with the machine base (1), the movable plate (3) is slidably connected with the machine base (1), a plurality of sliding rods (21) are vertically and fixedly arranged on the fixed plate (2), the movable plate (3) is slidably arranged on the sliding rods (21) in a penetrating manner, the stroke adjusting system is characterized in that the sliding rods (21) are slidably arranged on the locking template (4), the locking template (4) is slidably connected with the machine base (1), a driving assembly (5) is arranged on the sliding rods (21), the driving assembly (5) comprises a driving magnet (51), a coil (52) and a power supply (53), the driving magnet (51) is fixedly arranged at one end, far away from the fixed plate (2), of the sliding rods (21), the coil (52) is sleeved on the sliding rod (21) and connected with the lock template (4), the power source (53) is fixedly arranged on the lock template (4), and the power source (53) is electrically connected with the coil (52).
2. The stroke adjusting system of the clamping mechanism of the three-plate injection molding machine according to claim 1, wherein one side of the locking template (4) close to the base (1) is fixedly connected with an electromagnet (6), the electromagnet (6) is slidably connected with a slide rail (11), the slide rail (11) is fixedly connected with the base (1), the electromagnet (6) is electrically connected with the power supply (53), and the slide rail (11) is made of a magnetic material.
3. The stroke adjustment system of a clamping mechanism of a three-plate injection molding machine according to claim 2, characterized in that the lock template (4) is provided with a control component (7), the control component (7) comprises a controller (71) and an infrared displacement sensor (72), the controller (71) and the infrared displacement sensor (72) are both fixedly arranged on the lock template (4), the probe of the infrared displacement sensor (72) points to the driving magnet (51), the controller (71) is electrically connected with the power supply (53) and the infrared displacement sensor (72), the infrared displacement sensor (72) outputs a displacement signal, and the controller (71) controls the power supply (53) to energize and de-energize the coil (52), the electromagnet (6), and the magnitude and direction of the current supplied by the power supply (53) to the coil (52) in response to the displacement signal.
4. The stroke adjusting system of the clamping mechanism of the three-plate injection molding machine according to claim 3, wherein a soft iron block (41) is arranged between the locking template (4) and the sliding rod (21), the soft iron block (41) is connected with the sliding rod (21) in a sliding manner and is fixedly connected with the locking template (4), and the coil (52) is spirally arranged on the soft iron block (41).
5. The stroke adjusting system of the clamping mechanism of the three-plate injection molding machine according to claim 3, wherein both ends of the slide rail (11) are fixedly provided with a limit block (111).
6. The stroke adjusting system of a clamping mechanism of a three-plate injection molding machine according to claim 3, characterized in that a roller pin (112) is rotatably arranged on one side of the slide rail (11) close to the electromagnet (6).
7. The stroke adjusting system of the clamping mechanism of the three-plate injection molding machine according to claim 3, wherein two ends of the electromagnet (6) are detachably connected with sponges (42), and the sponges (42) are positioned in the slide rails (11) and are slidably connected with the slide rails (11).
8. The stroke adjusting system of the clamping mechanism of the three-plate injection molding machine according to claim 7, wherein a magnetic sheet (421) is fixedly connected to one side of the sponge (42) close to the electromagnet (6), and the magnetic sheet (421) is adsorbed on the electromagnet (6).
9. Method for adjusting a stroke adjustment system according to any of claims 3 to 8, characterized in that it comprises the following steps:
inputting a set value: inputting a distance value between the lock template (4) and the driving magnet (51) in the controller (71) as a set value;
measurement of the measurement values: the infrared displacement sensor (72) measures a distance between the lock mold plate (4) and the drive magnet (51) as a measurement value, and transmits the measurement value to the controller (71);
numerical comparison: the controller (71) calculates the difference between the measured value and the set value and calculates the difference;
the lock template (4) moves: when the difference is positive, the controller (71) supplies a forward current to the coil (52), the energized coil (52) generates a magnetic force which attracts the driving magnet (51) to move the locking template (4) towards the driving magnet (51), when the difference is negative, the controller (71) supplies a reverse current to the coil (52), and the energized coil (52) generates a magnetic force which repels the driving magnet (51) to move the locking template (4) away from the driving magnet (51);
current control: during the movement of the lock template (4), the controller (71) controls the magnitude of the current supplied to the coil (52) by the power supply (53) according to the measured value output by the infrared displacement sensor (72);
the lock template (4) is fixed: when the distance between the lock template (4) and the driving magnet (51) is equal to a set value, the controller (71) controls the power supply (53) to enable the coil (52) to be powered off, meanwhile, the controller (71) controls the power supply (53) to supply power to the electromagnet (6), and the electromagnet (6) and the sliding rail (11) are adsorbed to enable the lock template (4) and the machine base (1) to be fixed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210434582.9A CN114905710A (en) | 2022-04-24 | 2022-04-24 | Stroke adjusting system and method of three-plate type injection molding machine clamping mechanism |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210434582.9A CN114905710A (en) | 2022-04-24 | 2022-04-24 | Stroke adjusting system and method of three-plate type injection molding machine clamping mechanism |
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| CN202210434582.9A Pending CN114905710A (en) | 2022-04-24 | 2022-04-24 | Stroke adjusting system and method of three-plate type injection molding machine clamping mechanism |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1974176A (en) * | 2006-06-26 | 2007-06-06 | 林谊 | Injection molding machine with electromagnetically locked mold |
| CN101992532A (en) * | 2010-10-29 | 2011-03-30 | 华南理工大学 | System and method for automatically regulating clamping force of motor-driven injection molding machine |
| CN114102992A (en) * | 2021-12-20 | 2022-03-01 | 浙江金鹰塑料机械有限公司 | Vertical clamping mechanism |
| CN217434943U (en) * | 2022-05-26 | 2022-09-16 | 宁波腾华机械制造有限公司 | Injection molding machine mode locking device |
-
2022
- 2022-04-24 CN CN202210434582.9A patent/CN114905710A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1974176A (en) * | 2006-06-26 | 2007-06-06 | 林谊 | Injection molding machine with electromagnetically locked mold |
| CN101992532A (en) * | 2010-10-29 | 2011-03-30 | 华南理工大学 | System and method for automatically regulating clamping force of motor-driven injection molding machine |
| CN114102992A (en) * | 2021-12-20 | 2022-03-01 | 浙江金鹰塑料机械有限公司 | Vertical clamping mechanism |
| CN217434943U (en) * | 2022-05-26 | 2022-09-16 | 宁波腾华机械制造有限公司 | Injection molding machine mode locking device |
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Application publication date: 20220816 |