CN215661802U - Automatic control device for die assembly of blow molding machine - Google Patents
Automatic control device for die assembly of blow molding machine Download PDFInfo
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- CN215661802U CN215661802U CN202122405481.2U CN202122405481U CN215661802U CN 215661802 U CN215661802 U CN 215661802U CN 202122405481 U CN202122405481 U CN 202122405481U CN 215661802 U CN215661802 U CN 215661802U
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Abstract
The application discloses an automatic control device for die assembly of a blow molding machine, wherein the blow molding machine is provided with a die head and a involutory template; the control device comprises a control system and a driving system for driving the pair of matched templates to approach or depart from each other, and the control system comprises: the system comprises a non-contact temperature sensor, an intelligent instrument, input and output equipment and a programmable controller; the non-contact temperature sensor detects the temperature information of the material blank extruded by the die head in real time; the programmable controller is in electric signal connection with the driving system, and the programmable controller calculates the length information of the blank according to the S-shaped detection length algorithm and controls the driving system to carry out die assembly operation. This application comes the temperature information of real-time detection material embryo through non-contact temperature sensor, and programmable controller cooperation non-contact temperature sensor calculates the length of material embryo in real time to actuating system carries out the compound die operation rapidly, and the unloading is accurate, realizes compound die automation and remote detection, and the interference killing feature is strong, improve equipment life and production efficiency.
Description
Technical Field
The application relates to the technical field of plastic blow molding, in particular to an automatic control device for die assembly of a blow molding machine.
Background
Traditional scheme live time control needs skilled engineer to dispose the parameter, and operating personnel's requirement is high, and when parameter input was wrong, the machine stopped to cause the waste of raw and other materials, and is inefficient, has increased the manufacturing cost of mill, and on-the-spot engineer all needs the different record data according to the mould at every turn. Another conventional scheme is to use photoelectric detection, and the disadvantage of this scheme is that the visual light is different in daytime and at night, so that it is easy to feed back wrong signals, and different humidity also affects the detected data, reducing the stability of the device.
Disclosure of Invention
The utility model aims at solving the problem that the actual blanking length precision is low, the production efficiency is low and the light interference is easy to occur in the prior art.
In order to achieve the purpose, the technical scheme is as follows: an automatic control device for die assembly of a blow molding machine, wherein the blow molding machine is provided with a die head for extruding a blank and a pair of die plates which are symmetrically arranged relative to the die head; the control device comprises a driving system and a control system in signal connection with the driving system, the driving system is used for driving a pair of the clamping plates to move close to or away from each other, and the control system comprises:
the non-contact temperature sensor is arranged below the die head and is not contacted with the pair of die closing plates and the blank, and the non-contact temperature sensor is used for detecting the temperature information of the blank in real time and transmitting the temperature information outwards;
the intelligent instrument is in communication connection with the non-contact temperature sensor and is used for displaying and feeding back the temperature information to the outside;
the input and output equipment is configured to preset and display various process parameters of the control device, and the process parameters at least comprise temperature information and blanking length; and the number of the first and second groups,
the programmable controller is in communication connection with the intelligent instrument and the input and output equipment, is in electric signal connection with the driving system, is configured to transmit temperature information fed back by the intelligent instrument to the input and output equipment, calculates length information of the blank according to an S-shaped detection length algorithm and from the temperature information, and transmits a mold closing instruction to the driving system when the length information is consistent with the blanking length.
In the above technical solution, it is further preferable that the driving system includes at least one clamping cylinder and at least one servo oil pump, at least one of the servo oil pumps is in signal connection with the programmable controller, at least one of the clamping cylinders is connected with one of the clamping plates, and the servo oil pump is configured to drive the clamping cylinder after receiving an instruction from the programmable controller, so that a pair of the clamping plates moves closer to or away from each other.
In the above technical solution, it is further preferable that the control system includes an infrared ray generator in communication connection with the smart meter, and an extending direction of infrared rays emitted by the infrared ray generator intersects and is perpendicular to a blanking direction of the die head.
In the above technical solution, it is further preferable that the temperature information at least includes a surface temperature of the blank and a distribution range of the surface temperature.
In the above technical solution, it is further preferable that the non-contact temperature sensor and the infrared ray generator are respectively connected to the smart meter through twisted-pair cables; the intelligent instrument and the input and output equipment are respectively connected with the programmable controller through cables.
In the above technical solution, it is further preferable that the input/output device is a touch screen.
Compared with the prior art, the application has the following beneficial effects:
this application comes the temperature information of real-time detection material embryo through non-contact temperature sensor, programmable controller cooperation non-contact temperature sensor calculates the length of material embryo by temperature information according to S type detection length algorithm, actuating system carries out the compound die operation under control system' S order rapidly when material embryo length reaches preset length, the unloading is accurate, realize that the compound die is automatic and remote detection, the interference killing feature is strong, avoid light to interfere, prevent the oxidative damage that direct contact high temperature object brought, improve equipment life and production efficiency.
Drawings
Fig. 1 is a schematic view of an automatic mold clamping control device for a blow molding machine according to the present invention.
Wherein: 1. a control system; 11. a non-contact temperature sensor; 12. an intelligent instrument; 13. an input-output device; 14. a programmable controller; 15. an infrared ray generator; 2. a drive system; 21. a die closing oil cylinder; 22. a servo oil pump.
Detailed Description
To explain the technical content, the structural features, the achieved objects and the functions of the application in detail, the technical solutions in the embodiments of the application will be described below with reference to the drawings in the embodiments of the application, and it is obvious that the described embodiments are only a part of the embodiments of the application, and not all embodiments. In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a detailed description of various exemplary embodiments or implementations of the invention. However, various exemplary embodiments may be practiced without these specific details or with one or more equivalent arrangements. Moreover, the various exemplary embodiments may be different, but are not necessarily exclusive. For example, the particular shapes, configurations and characteristics of the exemplary embodiments may be used or implemented in another exemplary embodiment without departing from the inventive concept.
Further, spatially relative terms such as "below … …", "below", "above … …", "above", and the like, may be used herein to describe one element's relationship to another (other) element as illustrated in the figures. Spatially relative terms are intended to encompass different orientations of the device in use, operation, and/or manufacture in addition to the orientation depicted in the figures.
In the present application, unless expressly stated or limited otherwise, the term "coupled" is to be construed broadly, e.g., "coupled" may be a fixed connection, a removable connection, or an integral part; may be directly connected or indirectly connected through an intermediate.
The automatic control device for die assembly of the blow molding machine is characterized in that the blow molding machine is provided with a die head for extruding a material blank and a pair of matched die plates symmetrically arranged relative to the die head, and the die head is positioned above the matched die plates; the control device is arranged on the blow molding machine, and as shown in fig. 1, the control device comprises: the template matching device comprises a control system 1 and a driving system 2 in signal connection with the control system 1, wherein the driving system 2 drives a pair of matched templates to move close to or away from each other under the instruction of the control system 1.
The control system 1 comprises a non-contact temperature sensor 11, an intelligent instrument 12, an input/output device 13 and a programmable controller 14; the non-contact temperature sensor 11 is in communication connection with the intelligent instrument 12 through a twisted pair, the intelligent instrument 12 and the input/output device 13 are in communication connection with the programmable controller 14 through cables respectively, and the programmable controller 14 is in electrical signal connection with the servo oil pump 22.
The non-contact temperature sensor 11 is positioned below the die head on the blow molding machine, and the non-contact temperature sensor 11 is not contacted with a combined template and a blank all the time in the process of opening and closing the die. The non-contact temperature sensor 11 is used for detecting the temperature of the parison extruded by the die head in real time and transmitting the detected temperature information to the intelligent instrument 12, wherein the temperature information at least comprises the surface temperature of the parison and the distribution range of the surface temperature. The non-contact temperature sensor 11 carries out remote detection, avoids light interference, prevents oxidation damage caused by direct contact with high-temperature objects, and prolongs the service life of equipment. Preferably, the non-contact temperature measuring sensor is an IRTP-300C non-contact temperature measuring sensor.
The intelligent instrument 12 receives the temperature information transmitted by the non-contact temperature sensor 11, displays the surface temperature of the blank in the temperature information, converts the temperature information from analog quantity to digital quantity and feeds the digital quantity back to the programmable controller 14, and a worker can quickly acquire data according to the display of the intelligent instrument 12.
The input and output device 13 can preset and display the technological parameters of the control device, the technological parameters at least comprise temperature information and blanking length, the technological parameters are divided into preset parameters input in advance through the input and output device 13 and display parameters displayed through the input and output device 13, the preset parameters at least comprise blanking length and blanking speed of the die head, and the display parameters at least comprise temperature information. Preferably, the input/output device 13 is a touch screen, and in this embodiment, a TP900 touch screen is used.
The programmable controller 14 receives temperature information transmitted by the intelligent instrument 12 and preset parameters transmitted by the input and output device 13, the programmable controller 14 transmits the temperature information of digital quantity transmitted by the intelligent instrument to the input and output device 13, after the programmable controller 14 receives the temperature information of digital quantity, the length of the blank in each direction, especially the length information in the vertical direction, is calculated according to the surface temperature of the blank and the distribution range of the surface temperature through an S-type detection length algorithm according to the distribution range of the surface temperature, the length information is compared with the blanking length in the preset parameters, when the length information is consistent with the blanking length, the programmable controller 14 issues a die closing instruction to the driving system 2, and the driving system 2 drives a pair of matched templates to perform die closing movement; the programmable controller 14 receives the information and gives an action instruction according to the information to realize automatic die assembly. Preferably, the programmable controller 14 is a Smart200 PLC.
The driving system 2 comprises at least one clamping oil cylinder 21 and at least one servo oil pump 22, the at least one servo oil pump 22 is in signal connection with the programmable controller 14, the at least one clamping oil cylinder 21 is connected with one of the clamping plates, and the servo oil pump 22 is used for driving the clamping oil cylinder 21 to enable the pair of clamping plates to approach or separate from each other after receiving instructions of the programmable controller 14. In the present embodiment, the driving system 2 includes a mold clamping cylinder 21 and a servo oil pump 22 in signal connection with the programmable controller 14, and the mold clamping cylinder 21 and the servo oil pump 22 are connected with each other; a synchronous component for enabling a pair of mold closing plates to synchronously move is arranged between the pair of mold closing plates, the mold closing oil cylinder 21 is connected with one of the mold closing plates, and the servo oil pump 22 drives the mold closing oil cylinder 21 to push the mold closing plate under the instruction of the control system 1, so that the pair of mold closing plates synchronously open and close; in another embodiment, the driving system 2 includes a pair of mold clamping cylinders 21 and a pair of servo oil pumps 22, the pair of mold clamping cylinders 21 are respectively connected to a pair of mold plates, and the pair of servo oil pumps 22 synchronously drive the corresponding mold clamping cylinders 21 under the instruction of the control system 1 to synchronously open and close the pair of mold plates. The servo oil pump 22 can rapidly drive the mold closing oil cylinder 21 to perform mold closing movement according to the instruction of the programmable controller 14, the reaction is rapid, and the precision of the length of the blank is improved.
The control system further comprises an infrared ray generator 15, the infrared ray generator 15 is arranged below the die head and is not in contact with a pair of die plates and the blank all the time in the die opening and closing process, the infrared ray generator 15 is connected with the intelligent instrument 12 through a twisted pair, the infrared ray generator 15 emits infrared rays to the space between the pair of die plates, the extending direction of the infrared rays is intersected and perpendicular to the blanking direction of the die head, the position of the infrared ray generator 15 can be adjusted up and down according to the difference of the blanking length, and the infrared ray generator 15 is used for calibrating the actual length of the blank when the pair of die plates are subjected to die closing movement.
The distance between the infrared ray generator 15 and the die head extrusion port in the vertical direction is a preset blanking length, and after the die head extrudes a blank, when a pair of die closing plates perform die closing movement, a worker adjusts the blanking speed of the die head according to the distance between the bottom end of the blank and the infrared ray; when the bottom end of the material blank is above the infrared ray, the blanking speed of the die head is improved, and when the bottom end of the material blank is below the infrared ray, the blanking speed of the die head is reduced. The actual length of the blank is remotely detected through the infrared ray generator 15, and the method is convenient and quick and is convenient to adjust.
The working principle of this application does: the working personnel presets the blanking length and the blanking speed of the die head through the input and output device 13, adjusts the position of the infrared ray generator 15, leads the distance between the infrared ray generator 15 and the extrusion port of the die head in the vertical direction to be the preset blanking length, starts the blow molding machine, extrudes the blank through the die head, the non-contact temperature sensor 11 detects the surface temperature of the blank and the distribution range of the surface temperature in real time and transmits the surface temperature and the distribution range to the intelligent instrument 12, the intelligent instrument 12 displays the surface temperature and feeds the surface temperature and the distribution range back to the programmable controller 14, the programmable controller 14 transmits the surface temperature converted into digital quantity to the input and output device 13, and calculates the length information of the blank at the moment according to the S-shaped detection length algorithm by the surface temperature and the distribution range, compares the length information with the preset blanking length, when the length information is consistent with the blanking length, the programmable controller 14 sends a die closing instruction to the servo oil pump 22, and the servo oil pump 22 immediately drives the die closing oil cylinder 21 to enable a pair of matched templates to do die closing movement; when a matched template performs matched die movement, a worker observes the distance between the bottom end of the material blank and the infrared ray emitted by the infrared ray generator 15, and adjusts the blanking speed of the die head according to the observation condition.
According to the method, the temperature information of the blank is detected in real time through the non-contact temperature sensor 11, the programmable controller 14 is matched with the non-contact temperature sensor 11 to calculate the length of the blank according to the S-shaped detection length algorithm through the temperature information, when the length of the blank reaches a preset length, the driving system 2 rapidly carries out die assembly operation under the command of the control system 1, blanking is accurate, automatic die assembly and remote detection are achieved, the anti-interference capability is high, light interference is avoided, oxidation damage caused by direct contact with a high-temperature object is prevented, the service life of equipment is prolonged, and the production efficiency is improved; the servo oil pump 22 drives the die closing oil cylinder 21 under the control of the programmable controller 14 to push the die closing plate to perform die closing movement, the servo oil pump 22 reacts quickly, and the precision of the length of the blank is improved; the actual length of the blank is remotely detected through the infrared ray generator 15, and the method is convenient and quick and is convenient to adjust.
The foregoing shows and describes the general principles, essential features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are presented solely for purposes of illustrating the principles of the application, and that various changes and modifications may be made without departing from the spirit and scope of the application, which is defined by the appended claims, the specification, and equivalents thereof.
Claims (6)
1. An automatic control device for die assembly of a blow molding machine, wherein the blow molding machine is provided with a die head for extruding a blank and a pair of die plates which are symmetrically arranged relative to the die head; the control device comprises a driving system (2) and a control system (1) in signal connection with the driving system (2), wherein the driving system (2) is used for driving a pair of the clamping plates to move close to or away from each other, and the control system (1) comprises:
the non-contact temperature sensor (11) is arranged below the die head and is not contacted with the pair of die closing plates and the blank, and the non-contact temperature sensor (11) is used for detecting the temperature information of the blank in real time and transmitting the temperature information outwards;
the intelligent instrument (12) is in communication connection with the non-contact temperature sensor (11), and the intelligent instrument (12) is used for displaying and feeding back the temperature information to the outside;
the input and output equipment (13) is configured to preset and display various process parameters of the control device, and the process parameters at least comprise temperature information and blanking length; and the number of the first and second groups,
the programmable controller (14) is in communication connection with the intelligent instrument (12) and the input and output equipment (13), the programmable controller (14) is in electric signal connection with the driving system (2), the programmable controller (14) is configured to transmit temperature information fed back by the intelligent instrument (12) to the input and output equipment (13), calculate length information of the blank according to an S-shaped detection length algorithm and the temperature information, and transmit a mold closing instruction to the driving system (2) when the length information is consistent with the blanking length.
2. An automatic control device for clamping of a blow molding machine according to claim 1, characterized in that said drive system (2) comprises at least one clamping cylinder (21) and at least one servo oil pump (22), at least one of said servo oil pumps (22) is in signal connection with said programmable controller (14), at least one of said clamping cylinders (21) is connected with one of said clamping plates, and said servo oil pump (22) is adapted to drive said clamping cylinder (21) to move a pair of said clamping plates toward or away from each other upon receiving a command from said programmable controller (14).
3. The apparatus of claim 1, wherein the control system (1) includes an infrared ray generator (15) in communication with the smart meter (12), and the infrared ray generator (15) emits infrared rays in a direction transverse and perpendicular to the die blanking direction.
4. The apparatus of claim 1, wherein the temperature information includes at least a surface temperature of the parison and a distribution of the surface temperature.
5. An automatic control device for mold closing of a blow molding machine according to claim 3, characterized in that said non-contact temperature sensor (11) and said infrared ray generator (15) are connected to said intelligent instrument (12) by twisted pair wires, respectively; the intelligent instrument (12) and the input and output equipment (13) are respectively connected with the programmable controller (14) through cables.
6. An automatic control device for closing molds of blow molding machines according to claim 1, characterized in that said input/output means (13) is a touch screen.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122405481.2U CN215661802U (en) | 2021-09-30 | 2021-09-30 | Automatic control device for die assembly of blow molding machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122405481.2U CN215661802U (en) | 2021-09-30 | 2021-09-30 | Automatic control device for die assembly of blow molding machine |
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| CN215661802U true CN215661802U (en) | 2022-01-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114851520A (en) * | 2022-04-20 | 2022-08-05 | 广东乐善智能装备股份有限公司 | Bottle blowing machine capable of eliminating parison length deviation and control method thereof |
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2021
- 2021-09-30 CN CN202122405481.2U patent/CN215661802U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114851520A (en) * | 2022-04-20 | 2022-08-05 | 广东乐善智能装备股份有限公司 | Bottle blowing machine capable of eliminating parison length deviation and control method thereof |
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