Multi-channel temperature centralized inspection device for shoe machine

Abstract

The invention discloses a multipath temperature centralized inspection device for a shoe machine, which comprises a main power supply module, a switch control module, a heating, cooling and sensing module, a human-computer interface module, a PLC (Programmable Logic Controller) system module and an inspection and conversion module, a heating element is arranged at the bottom of a mold cavity, and a PT100 resistance sensor is arranged on the left side of the heating element; the fan is fixed to the right side of the shoe machine mold, the switch heating element and the fan are electrically connected with the switch control device, the touch screen is arranged on the man-machine interaction device, the direct-current stabilized power supply is electrically connected with the air switch, and the inspection conversion circuit board is electrically connected with the PT100 resistance sensor and the heating element. And the PT100 resistance sensor, the switch control device, the touch screen, the air switch and the inspection conversion circuit board are electrically connected with the PLC respectively. The heating and cooling speed can be rapidly increased, and the heat energy conversion efficiency is effectively improved.

Description

Technical Field

[0001] The invention relates to the technical field of shoemaking, in particular to a multi-channel temperature centralized inspection device used on a shoe machine. Background Art

[0002] Temperature control is very important in shoemaking on shoe machines. Due to the large number of distribution points, it has complex working conditions, variable parameters, large operating inertia and control lag, which requires extremely high control and adjustment. Traditional temperature controllers have low accuracy and poor temperature uniformity in the mold, which cannot meet process requirements, resulting in low product quality and affecting the economic benefits of the enterprise. In order to solve the problems existing in the current market, it is urgent to improve the technology of shoe machine devices. Summary of the invention

[0003] The purpose of the present invention is to provide a multi-channel centralized temperature inspection device for a shoe machine, so as to solve the problem in the prior art that the temperature uniformity in the shoe machine mold is poor, the process requirements cannot be met, the product quality is low, and the economic benefits of the enterprise are affected. By setting an inspection conversion circuit board, a PLC controller and a heating element, the heating and cooling speeds can be quickly increased and the heat energy conversion efficiency can be improved.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0005] The present invention discloses a multi-channel temperature centralized inspection device for a shoe machine, comprising a main power supply module, a switch control module, a heating, cooling and sensing module, a human-machine interface module, a PLC system module and an inspection and conversion module. The shoe machine mold is composed of a movable mold base, a fixed mold base and a mold cavity. The heating, cooling and sensing module comprises a PT100 resistance sensor, a heating element and a fan. The heating element is arranged at the bottom of the mold cavity. The PT100 resistance sensor is installed on the left side of the heating element. The fan is fixed on the right side of the shoe machine mold. The switch control module comprises a switch control device. The heating element and the fan are respectively connected to the switch control module. The device is electrically connected, the PLC system module includes a PLC controller, the human-machine interface module includes a human-machine interaction device and a touch screen, the touch screen is arranged on the human-machine interaction device, the total power supply module includes an air switch and a DC regulated power supply, the DC regulated power supply is electrically connected to the air switch, the inspection and conversion module includes an inspection conversion circuit board, the inspection conversion circuit board is electrically connected to the PT100 resistance sensor and the heating element respectively, the PT100 resistance sensor, the switch control device, the touch screen, the air switch and the inspection conversion circuit board are electrically connected to the PLC controller respectively.

[0006] Preferably, it also includes a shell, the shoe machine mold, the human-machine interaction device and the first installation box are fixedly connected to the inside of the shell, the switch control device and the PLC controller are fixedly connected to the inside of the first installation box, the second installation box is fixed to the upper right side of the shell, and the third installation box is fixed to the upper left side, the DC regulated power supply and the air switch are fixedly connected to the inside of the second installation box, and the inspection conversion circuit board is installed in the inside of the third installation box.

[0007] Preferably, an alarm is installed on the upper right side of the first installation box, and the alarm is electrically connected to the PLC controller.

[0008] Preferably, the inspection conversion circuit board is a 12-way expandable circuit board, and the temperature detection range of the inspection conversion circuit board is 0°C-250°C.

[0009] Preferably, the heating element is a heating rod, a heating coil or a heating sheet.

[0010] Preferably, the switch control device is composed of a fuse, an air switch, a solid-state relay, a contactor and a pneumatic valve.

[0011] Preferably, the PLC system module also includes analog input, digital input and output.

[0012] Preferably, the human-computer interaction device is fixed inside the shell via a bracket.

[0013] Compared with the prior art, the beneficial technical effects of the present invention are:

[0014] 1. In the multi-channel temperature centralized inspection device for a shoe machine of the present invention, the power supply of the entire device is controlled on and off by a switch control device, and the switch control device is used to control the heating and cooling on and off, and the heating, cooling and sensing modules are used to heat the heated object, cool the cooled object and transmit the temperature;

[0015] 2. In the multi-channel temperature centralized inspection device for a shoe machine of the present invention, the human-machine interface module is used to intuitively monitor the current temperature, the target temperature, set and modify the temperature process parameters and manage the temperature alarm, the PLC system module is used for logic operation and logic control, and the inspection conversion module is used to inspect the corresponding channel and convert the resistance signal of the channel into 0-10V;

[0016] 3. In the multi-channel temperature centralized inspection device for a shoe machine of the present invention, when the temperature of the cooled equipment is lower than the set temperature, the PLC controller has no output and the contactor is disconnected, which can quickly increase the heating and cooling speeds and improve the heat energy conversion efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a front view structural schematic diagram of a multi-channel temperature centralized inspection device for a shoe machine according to the present invention;

[0019] Figure 2 It is a schematic diagram of the composition structure of the multi-channel temperature centralized inspection device for a shoe machine of the present invention;

[0020] Figure 3 It is a control block diagram of the multi-channel temperature centralized inspection device for a shoe machine of the present invention;

[0021] Figure 4 The figure is a schematic diagram of module connection in the multi-channel temperature centralized inspection device for a shoe machine of the present invention.

[0022] Explanation of the accompanying drawings: 1. Shell; 2. Shoe machine mold; 3. PT100 resistor sensor; 4. Heating element; 5. Fan; 6. First installation box; 7. Switch control device; 8. PLC controller; 9. Alarm; 10. Human-computer interaction device; 11. Touch screen; 12. Bracket; 13. Second installation box; 14. DC regulated power supply; 15. Air switch; 16. Inspection conversion circuit board; 17. Third installation box; 18. Mold cavity; 19. Moving mold base; 20. Fixed mold base. DETAILED DESCRIPTION

[0023] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0024] In the description of the present invention, it should be understood that the terms "length", "width", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] The technical solution provided by the embodiments of the present invention is described in detail below with reference to the accompanying drawings.

[0027] like Figures 1 to 4 As shown, the multi-channel temperature centralized inspection device for a shoe machine according to an embodiment of the present invention includes a shoe machine mold 2 and a human-machine interaction device 10. The shoe machine mold 2 is fixed inside the shell 1, and the shoe machine mold 2 is composed of three parts: a movable mold base 19, a fixed mold base 20 and a mold cavity 18. A PT100 resistance sensor 3 is installed on the left side of the heating element 4. The PT100 resistance sensor 3, the heating element 4 and the fan 5 form a heating, cooling and sensing module, and the heating element 4 and the fan 5 are electrically connected to the switch control device 7 respectively, and the PT100 resistance sensor 3 is electrically connected to the PLC controller 8.

[0028] Preferably, the heating element 4 includes but is not limited to a heating rod, a heating ring and a heating plate, and the heating element 4 is arranged at the bottom of the mold cavity 18; the fan 5 is fixed to the right side of the shoe machine mold 2 through a machine base, and the fan 5 is electrically connected to the switch control device 7.

[0029] In addition, the PLC controller 8 is installed inside the first installation box 6, and the switch control device 7 is fixedly connected inside the first installation box 6, and an alarm 9 is installed on the upper left side of the first installation box 6. Among them, the PLC controller 8, analog input, digital input and output constitute a PLC system module, and the inspection conversion circuit board 16 constitutes an inspection and conversion module, and the inspection conversion circuit board 16 is electrically connected to the PLC controller 8.

[0030] Specifically, the switch control device 7 constitutes a switch control module, and the switch control device 7 is composed of a fuse, an air switch 15, a solid-state relay, a contactor and a pneumatic valve.

[0031] The human-machine interaction device 10 and the touch screen 11 form a human-machine interface module, and the touch screen 11 is electrically connected to the PLC controller 8 ; the human-machine interaction device 10 is fixed inside the housing 1 through a bracket 12 , and the human-machine interaction device 10 is provided with a touch screen 11 .

[0032] In this embodiment, the second installation box 13 is screwed to the upper end of the inner part of the shell 1, and the DC regulated power supply 14 is fixedly connected to the inside of the second installation box 13. At the same time, the DC regulated power supply 14 is electrically connected to the air switch 15, and the air switch 15 is fixedly connected to the inside of the second installation box 13. The DC regulated power supply 14 and the air switch 15 constitute a total power supply module, and the air switch 15 is electrically connected to the PLC controller 8. At the same time, the alarm 9 is electrically connected to the PLC controller 8.

[0033] In addition, the third installation box 17 is fixed on the upper left side of the shell 1, and the inspection conversion circuit board 16 is installed inside the third installation box 17. Preferably, the inspection conversion circuit board 16 is a 12-way expandable circuit board, and the temperature detection range of the inspection conversion circuit board 16 is 0℃-250℃.

[0034] like Figures 2 to 4 As shown, the switch control device 7 controls the power on and off of the entire device, and the switch control device 7 is used to control the heating and cooling on and off. The heating, cooling and sensing modules are used to heat the heated object, cool the cooled object and transmit the temperature. The human-machine interface module is used to intuitively monitor the current temperature, target temperature, set and modify the temperature process parameters and manage the temperature alarm. The PLC system module is used for logical operations and logical control. The inspection conversion module is used to inspect the corresponding channel and convert the resistance signal of the channel into 0-10V.

[0035] Specifically, the model of the fan 5 is CY140H, the model of the PLC controller 8 is S7-200, the model of the alarm 9 is MS-390, the model of the DC regulated power supply 14 is JS155D, and the model of the air switch 15 is A9F28401.

[0036] When the multi-channel temperature centralized inspection device for a shoe machine of this embodiment is used, firstly, the temperature value that the shoe machine mold 2 needs to reach is set on the touch screen 11, the heating element 4 is in working state, the PT100 resistance sensor 3 measures the temperature value of the heating element 4, and the inspection conversion circuit board 16 selects the corresponding channel to convert it into a voltage analog signal. When the temperature of the shoe machine mold 2 is close to reaching the set temperature, the cooling method is: first, the temperature value that the shoe machine mold 2 needs to be lowered is set on the touch screen 11, and the switch of the fan 5 is turned on. The fan 5 performs air cooling on the shoe machine mold 2. The PT100 resistance sensor 3 measures the temperature value of the shoe machine mold 2. The inspection conversion circuit board 16 selects the corresponding channel to convert it into a voltage analog signal. When the temperature of the cooled device is lower than the set temperature, the PLC controller 8 has no output, and the contactor is disconnected, which can quickly increase the heating and cooling speeds and improve the thermal energy conversion efficiency.

[0037] In this embodiment, the PT100 resistance sensor 3, the inspection conversion circuit board 16, the PLC controller 8 and the heating element 4 are all commonly used components by those skilled in the art and belong to mature technologies in this field. In the above embodiments, only the PT100 resistance sensor 3, the inspection conversion circuit board 16, the PLC controller 8 and the heating element 4 are used, and their functions and structures are not changed. Moreover, the PT100 resistance sensor 3, the inspection conversion circuit board 16, the PLC controller 8 and the heating element 4 are all connected to a control switch matched therewith through a circuit, and their control circuit connection relationship is not changed in this embodiment.

[0038] The embodiments described above are only descriptions of the preferred modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.

Claims

1. A multi-channel temperature centralized inspection device for a shoe machine, characterized in that: The shoe machine mold (2) comprises a main power supply module, a switch control module, a heating, cooling and sensing module, a human-machine interface module, a PLC system module and an inspection and conversion module. The shoe machine mold (2) consists of three parts: a movable mold base (19), a fixed mold base (20) and a mold cavity (18). The heating, cooling and sensing module comprises a PT100 resistance sensor (3), a heating element (4) and a fan (5). The heating element (4) is arranged at the bottom of the mold cavity (18). The PT100 resistance sensor (3) is installed on the left side of the heating element (4). The fan (5) is fixed on the right side of the shoe machine mold (2). The switch control module comprises a switch control device (7). The heating element (4) and the fan (5) are respectively electrically connected to the switch control device (7). The PLC system module comprises a PLC control module. The PLC controller (8) comprises a human-machine interface module including a human-machine interaction device (10) and a touch screen (11), wherein the touch screen (11) is arranged on the human-machine interaction device (10), the main power supply module includes an air switch (15) and a DC regulated power supply (14), wherein the DC regulated power supply (14) is electrically connected to the air switch (15), the inspection and conversion module includes an inspection conversion circuit board (16), wherein the inspection conversion circuit board (16) is electrically connected to the PT100 resistance sensor (3) and the heating element (4), respectively, and the PT100 resistance sensor (3), the switch control device (7), the touch screen (11), the air switch (15) and the inspection conversion circuit board (16) are electrically connected to the PLC controller (8) respectively.

2. A multi-channel temperature centralized inspection device for a shoe machine according to claim 1, characterized in that: The invention also comprises a shell (1), wherein the shoe machine mold (2), the human-machine interaction device (10) and the first installation box (6) are fixedly connected inside the shell (1), the switch control device (7) and the PLC controller (8) are fixedly connected inside the first installation box (6), a second installation box (13) is fixed on the upper right side of the shell (1), and a third installation box (17) is fixed on the upper left side, the DC regulated power supply (14) and the air switch (15) are fixedly connected inside the second installation box (13), and the inspection conversion circuit board (16) is installed inside the third installation box (17).

3. A multi-channel temperature centralized inspection device for a shoe machine according to claim 2, characterized in that: An alarm (9) is installed on the upper right side of the first installation box (6), and the alarm (9) is electrically connected to the PLC controller (8).

4. A multi-channel temperature centralized inspection device for a shoe machine according to claim 1, characterized in that: The inspection conversion circuit board (16) is a 12-way expandable circuit board, and the temperature detection range of the inspection conversion circuit board (16) is 0°C-250°C.

5. A multi-channel temperature centralized inspection device for a shoe machine according to claim 1, characterized in that: The heating element (4) is a heating rod, a heating coil or a heating sheet.

6. A multi-channel temperature centralized inspection device for a shoe machine according to claim 1, characterized in that: The switch control device (7) is composed of a fuse, an air switch, a solid-state relay, a contactor and a pneumatic valve.

7. A multi-channel temperature centralized inspection device for a shoe machine according to claim 1, characterized in that: The PLC system module also includes analog inputs, digital inputs and outputs.

8. A multi-channel centralized temperature inspection device for a shoe machine according to any one of claims 1 to 7, characterized in that: The human-machine interaction device (10) is fixed inside the housing (1) via a bracket (12).

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