CN214642195U

CN214642195U - Constant temperature and pressure drilling machine and milling machine circulating cooling system

Info

Publication number: CN214642195U
Application number: CN202120258243.0U
Authority: CN
Inventors: 程发定
Original assignee: Dongguan Zhenfa Electromechanical Air Conditioning Engineering Co ltd
Current assignee: Dongguan Zhenfa Electromechanical Air Conditioning Engineering Co ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-11-09
Anticipated expiration: 2031-01-29

Abstract

The utility model discloses a constant temperature and constant pressure drilling machine and milling machine circulating cooling system, which comprises a variable frequency and constant pressure circulating system, wherein one side of the variable frequency and constant pressure circulating system is fixedly connected with a filtering system, the device is an open circulating system, and a circulating pump controls the frequency of a circulating pump frequency converter according to parameters set by a PLC under the detection of a pressure transmitter, so that the pumped water keeps constant pressure; a set of PP cotton core filter barrel is arranged at the water outlet end of the pump, and a set of differential pressure bypass system is arranged at the water outlet end of the pump to prevent the pressure transmitter and the frequency converter from generating high pressure due to misoperation; a set of plate type heat exchange constant temperature system is arranged at the water return end to ensure the constant temperature of the system; the whole control process is automatically controlled by the PLC control system in the whole process, the condition that the workshop is stopped due to the fact that the drilling machine and the milling machine stop running caused by the faults of the circulating water pump is effectively avoided, the guarantee is improved, the heat load in the workshop is reduced, the energy consumption is low, electric energy can be saved, and the production efficiency of the workshop is improved.

Description

Constant temperature and pressure drilling machine and milling machine circulating cooling system

Technical Field

The utility model relates to a cooling system, in particular to constant temperature and constant pressure rig, gong machine circulative cooling system belongs to constant temperature and constant pressure rig, gong machine technical field.

Background

At present, drilling machines and routing machines in PCB factories provide oil coolers or small air-cooled water coolers one to cool drill bits, and the cooling equipment needs energy consumption and directly transfers heat into air in a workshop, so that air conditioning load is increased, and energy consumption of air conditioning operation in the workshop is increased. And because frequent start-stop of cooling equipment can not reach the constant temperature, the fluctuation of temperature directly influences the cooling effect of rig to influence the fault outage rate of rig, gong machine, to this need constant temperature constant voltage rig, gong machine circulative cooling system.

Disclosure of Invention

An object of the utility model is to provide a constant temperature and constant pressure rig, gong machine circulative cooling system to at present, rig in the above-mentioned background art of solution, gong machine all one to one provide oil-cooled machine or small-size air-cooled cold water machine and cool off the drill bit, this part cooling arrangement not only self needs the energy consumption, but also can be with the direct transmission of heat in the air in workshop, thereby increase the air conditioner load, increase the energy consumption of workshop air conditioner operation. And because of the frequent start-stop of cooling apparatus can't reach the constant temperature, the fluctuation of temperature directly influences the cooling effect of rig to influence the problem of the trouble outage rate of rig, gong machine.

In order to achieve the above object, the utility model provides a following technical scheme: constant temperature constant voltage rig, gong machine circulative cooling system, including frequency conversion constant voltage circulation system, filtration system of frequency conversion constant voltage circulation system one side fixedly connected with, pressure difference bypass system of frequency conversion constant voltage circulation system opposite side fixedly connected with, plate heat transfer constant temperature system of pressure difference bypass system one end fixedly connected with, frequency conversion constant voltage circulation system electric connection has a PLC control and alarm system.

Preferably, the flow and the lift of the pipeline system are calculated by the variable-frequency constant-pressure circulating system according to the quantity of drilling machines and milling machines, the flow demand of cooling media of each device and the distance of a pipeline, the variable-frequency circulating water pump is a variable-frequency stainless steel water pump, the flow and the lift of the variable-frequency stainless steel water pump are selected according to the calculated safety factor, the variable-frequency circulating water pump is used for standby, and the pipeline system adopts the same-stroke system to ensure that the flow of the cooling media conveyed to each drilling machine and milling machine is constant.

Preferably, the filtering system comprises a PP cotton core filtering barrel, the PP cotton core filtering barrel is selected according to the number of the drilling machine and the milling machine and the flow of the cooling medium, a bypass valve is arranged, when the filtering core is blocked, the filtering box can be replaced without stopping, and the normal production of a workshop is guaranteed.

Preferably, the differential pressure bypass valve of the differential pressure bypass system comprises a specification of the differential pressure bypass valve obtained by calculating and selecting the type according to the flow of the cooling medium required by the system.

Preferably, the plate type heat exchange thermostatic system comprises a stainless steel plate type heat exchanger and a proportional integral valve, and the heat exchange quantity is calculated according to the flow of a cooling medium and the heat exchange temperature difference, so that the stainless steel plate type heat exchanger is subjected to model selection, and the cold source input is regulated in real time through the proportional integral valve under the control of the PLC control and alarm system, so that the temperature is constant.

Preferably, the PLC control and alarm system comprises a Siemens PLC controller, a Honiweir proportional-integral valve, a Honiweir pressure transmitter and a Honiweir temperature transmitter.

Compared with the prior art, the beneficial effects of the utility model are that:

the cooling medium of the temperature constant pressure drilling machine and milling machine circulating cooling system of the device is water or specific oil; the system is an open type circulating system, and the circulating pump controls the frequency of a frequency converter of the circulating pump according to parameters set by a PLC under the detection of a pressure transmitter so as to keep the pumped water at a constant pressure; a set of PP cotton core filter barrel is arranged at the water outlet end of the pump, and a bypass system is added; meanwhile, a set of differential pressure bypass system is arranged at the water outlet end to prevent the pressure transmitter and the frequency converter from generating high pressure due to misoperation; a set of plate type heat exchange constant temperature system is arranged at the water return end to ensure the constant temperature of the system; the whole control process is automatically controlled by a PLC control system in the whole process, a fault alarm unit is additionally arranged, monitoring services such as networking and directional dialing can be realized, the condition that the workshop stops production due to the fact that drilling machines and milling machines stop running due to faults of circulating water pumps is effectively avoided, the guarantee is improved, the heat load in the workshop is reduced, the energy consumption is low, electric energy can be saved, the running cost is reduced, and the production efficiency of the workshop is improved.

Drawings

Fig. 1 is the structural schematic diagram of the constant temperature and pressure circulating cooling system of the utility model.

In the figure:

1. a variable-frequency constant-pressure circulating system; 11. a variable frequency stainless steel water pump;

2. a filtration system; 21. a PP cotton core filter barrel; 22. a bypass valve;

3. a differential pressure bypass system; 31. a differential pressure bypass valve;

4. a plate heat exchange constant temperature system; 41. a stainless steel plate type heat exchanger; 42. a proportional integral valve;

5. a PLC control and alarm system; 51. a PLC controller; 52. a honeywell proportional integral valve; 53. a honeywell pressure transmitter; 54. a honeywell temperature transmitter.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: constant temperature constant voltage rig, gong machine circulative cooling system, including frequency conversion constant voltage circulation system 1, filtration system 2 of 1 one side fixedly connected with of frequency conversion constant voltage circulation system, pressure differential bypass system 3 of 1 opposite side fixedly connected with of frequency conversion constant voltage circulation system, plate heat transfer constant temperature system 4 of 3 one end fixedly connected with of pressure differential bypass system, 1 electrically connected with of frequency conversion constant voltage circulation system has a PLC control and alarm system 5, played and avoided leading to the rig because of circulation water pump trouble, the gong machine equipment shut down operation leads to the condition of workshop shut down, the guarantee has been improved, the heat load in the workshop has been reduced, the energy consumption is lower, can save the electric energy, reduce the running cost, improve the production efficiency in workshop.

Wherein, frequency conversion constant voltage circulation system 1 is according to the quantity of rig and gong machine equipment, the flow and the lift of pipe-line system are obtained in the distance calculation of each equipment coolant's flow demand and pipeline, frequency conversion stainless steel water pump 11 is chooseed for use to frequency conversion circulating water pump, 10% factor of safety is considered according to the calculated amount to frequency conversion stainless steel water pump 11's flow and lift demand and is carried out the lectotype, frequency conversion circulating water pump 11 is used one by one and is equipped with, pipe-line system adopts the same journey system in order to guarantee to carry to each rig, the coolant flow of gong machine is invariable, frequency conversion circulating water pump 11 has been played one by one and is equipped with, avoided leading to the rig because of circulation water pump trouble, the gong machine equipment condition that the operation leads to workshop shut down, the security has been improved.

Wherein, filtration system 2 includes PP cotton core filter vat 21, and PP cotton core filter vat 21 carries out the type selection according to the quantity of rig and gong machine and coolant's flow to set up bypass valve 22, when crossing filter vat and blockking up, can realize not shutting down and change the rose box, the normal production in guarantee workshop has played and has compared with many oil-cooled machines or small-size air-cooled cold water machine, and the energy consumption is lower, can save the electric energy, reduces the running cost.

The differential pressure bypass system 3 comprises a differential pressure bypass valve 31, the differential pressure bypass valve 31 obtains the specification of the differential pressure bypass valve according to the flow calculation model selection of the cooling medium required by the system, a plurality of oil cooling machines or small air cooling water cooling machines are eliminated, the heat load in a workshop is reduced, and the operation cost of the air conditioning system is reduced.

Wherein, plate heat transfer constant temperature system 4 includes corrosion resistant plate formula heat exchanger 41 and proportional integral valve 42, calculate according to coolant flow and heat transfer difference in temperature and obtain the heat transfer volume, thereby carry out the lectotype to corrosion resistant plate formula heat exchanger 41, carry out real-time regulation to the cold source input through proportional integral valve 42 under PLC control and alarm system 5 control, thereby realize the constancy of temperature, the coolant constancy of temperature has been played, the cooling effect of the undulant direct influence rig of temperature has been avoided, the rig has been reduced, the trouble outage rate of gong machine, the production efficiency in workshop is improved.

The PLC control and alarm system 5 comprises a Siemens PLC controller 51, a Honiweil proportional-integral valve 52, a Honiweil pressure transmitter 53 and a Honiweil temperature transmitter 54, and the operation of the control device is realized.

Specifically, the utility model discloses during the use, according to the quantity of rig and gong machine equipment, flow demand and the distance of pipeline of each equipment cooling medium calculate out pipe-line system's flow and lift, Siemens PLC controller 51 among PLC control and alarm system 5 calculates out the heat transfer volume according to cooling medium flow and heat transfer difference in temperature, thereby carry out the lectotype to stainless steel sheet formula heat exchanger 41 among plate heat transfer constant temperature system 4, adjust in real time cold source input through proportional integral valve 42 under Siemens PLC controller 51 control, thereby realize the constancy of temperature, carry out the lectotype by PP cotton core filter vat 21 among filtration system 2 again according to the quantity of rig and gong machine and the flow of cooling medium, and set up bypass valve 22, when the filter core blocks up, can realize not shutting down and change the rose box, ensure the normal production in workshop, effectually realized having avoided leading to the rig to because of circulation water pump trouble, The condition that the operation of the milling machine is stopped to cause the production stop of the workshop improves the guarantee, reduces the heat load in the workshop, has lower energy consumption, can save electric energy, reduces the operation cost and improves the production efficiency of the workshop.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Constant temperature constant voltage rig, gong machine circulative cooling system, including frequency conversion constant voltage circulation system (1), its characterized in that, filtration system (2) of frequency conversion constant voltage circulation system (1) one side fixedly connected with, pressure differential bypass system (3) of frequency conversion constant voltage circulation system (1) opposite side fixedly connected with, plate heat transfer constant temperature system (4) of pressure differential bypass system (3) one end fixedly connected with, frequency conversion constant voltage circulation system (1) electric connection has a PLC control and alarm system (5).

2. The constant temperature and pressure drilling, milling and circulating cooling system of claim 1, wherein: frequency conversion constant voltage circulation system (1) calculates according to the quantity of rig and gong quick-witted equipment, each equipment coolant's flow demand and the distance of pipeline and obtains pipe-line system's flow and lift, and frequency conversion stainless steel water pump (11) are chooseed for use to frequency conversion circulating water pump, 10% factor of safety is considered according to the calculated amount to the flow and the lift of frequency conversion stainless steel water pump (11) and the type is selected, frequency conversion stainless steel water pump (11) are used one by one and are equipped with, and pipe-line system adopts the same journey system in order to guarantee to carry to each rig, the coolant flow of gong machine invariable.

3. The constant temperature and pressure drilling, milling and circulating cooling system of claim 1, wherein: the filter system (2) comprises a PP cotton core filter vat (21), the PP cotton core filter vat (21) is subjected to type selection according to the number of the drilling machines and the milling machines and the flow of the cooling medium, a bypass valve (22) is arranged, when the filter vat is blocked, the filter box can be replaced without stopping, and normal production of a workshop is guaranteed.

4. The constant temperature and pressure drilling, milling and circulating cooling system of claim 1, wherein: the differential pressure bypass system (3) comprises a differential pressure bypass valve (31), and the differential pressure bypass valve (31) comprises a specification which is obtained by calculating and selecting the type according to the flow of the cooling medium required by the system.

5. The constant temperature and pressure drilling, milling and circulating cooling system of claim 1, wherein: the plate type heat exchange constant temperature system (4) comprises a stainless steel plate type heat exchanger (41) and a proportional integral valve (42), heat exchange quantity is calculated according to the flow of a cooling medium and heat exchange temperature difference, the stainless steel plate type heat exchanger (41) is subjected to model selection, and cold source input is adjusted in real time through the proportional integral valve (42) under the control of the PLC control and alarm system (5), so that constant temperature is achieved.

6. The constant temperature and pressure drilling, milling and circulating cooling system of claim 5, wherein: the PLC control and alarm system (5) comprises a Siemens PLC controller (51), a Honiweil proportional-integral valve (52), a Honiweil pressure transmitter (53) and a Honiweil temperature transmitter (54).