CN117359385B - Machine tool cutter temperature control device - Google Patents
Machine tool cutter temperature control device Download PDFInfo
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- CN117359385B CN117359385B CN202311677784.7A CN202311677784A CN117359385B CN 117359385 B CN117359385 B CN 117359385B CN 202311677784 A CN202311677784 A CN 202311677784A CN 117359385 B CN117359385 B CN 117359385B
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- temperature
- cold water
- temperature sensing
- hot water
- tool bit
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 208
- 239000007788 liquid Substances 0.000 claims abstract description 43
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 22
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 22
- 241001330002 Bambuseae Species 0.000 claims abstract description 22
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 22
- 239000011425 bamboo Substances 0.000 claims abstract description 22
- 238000001816 cooling Methods 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims description 53
- 239000008236 heating water Substances 0.000 claims description 26
- 230000006698 induction Effects 0.000 claims description 22
- 239000000110 cooling liquid Substances 0.000 claims description 17
- 239000000498 cooling water Substances 0.000 claims description 13
- 239000007921 spray Substances 0.000 claims description 11
- 238000011084 recovery Methods 0.000 claims description 10
- 230000001276 controlling effect Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 abstract description 10
- 229910052753 mercury Inorganic materials 0.000 abstract description 10
- 238000005057 refrigeration Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000003754 machining Methods 0.000 description 14
- 239000000463 material Substances 0.000 description 7
- 239000002826 coolant Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002173 cutting fluid Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Temperature (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Abstract
The utility model relates to a lathe cutter temperature control device, which comprises a base, be equipped with workstation and temperature-sensing section of thick bamboo on the base, be connected with the cold water pipe between refrigeration water tank and the cooling shower nozzle, install the cold water valve on the cold water pipe, be equipped with the cold water gear on the cold water valve, set up the temperature-sensing runner in the tool bit and be connected with the temperature-sensing pipeline, the temperature-sensing pump drives the temperature-sensing liquid and in the temperature-sensing pipeline circulation flow, realize the heat exchange between tool bit and the temperature-sensing section of thick bamboo, when the temperature of tool bit appears changing, mercury in the temperature-sensing section of thick bamboo can expand and contract with heat thereupon and drive the piston and slide, when the tool bit temperature risees, the piston drive adjusts the pole and drives adjusting rack and move to being close to the cold water gear direction, when the tool bit is higher than the temperature of suitable work, adjust rack and cold water gear meshing and drive cold water gear and rotate to the direction that increases cold water valve degree of opening and shutting, otherwise then drive cold water gear is to the direction that reduces cold water valve degree of opening and shutting, this application has the effect that realizes lathe tool bit thermostatic control in processing.
Description
Technical Field
The application relates to the field of machine tool component constant temperature control technical equipment, in particular to a machine tool cutter temperature control device.
Background
Machine tools refer to machines for producing machines, also known as machine tools or machine tools, which are conventionally referred to as machine tools. Generally, metal cutting machine tools, forging machine tools, woodworking machine tools, etc. are classified. Parts with higher precision requirements and finer surface roughness requirements are generally subjected to final processing by a cutting method on a machine tool. In the processing process of the tool bit of the machine tool, in order to prevent the problems of overhigh temperature and winding of scraps, a cooling liquid needs to be sprayed to the tool bit so as to achieve the purposes of cooling and washing away the scraps.
The related art can refer to chinese patent publication No. CN112792613a and discloses a tool rest cooling structure for a machine tool, a tool rest and a tool pressing block, wherein the tool is mounted on the tool rest through the tool pressing block, a flow guiding hole penetrating through both ends of the tool is formed in the tool pressing block along the mounting direction of the tool, meanwhile, a nozzle and a connecting joint which are communicated with the flow guiding hole are respectively mounted at both ends of the tool pressing block, the nozzle is positioned at one side of a tool bit close to the tool, the connecting joint is positioned at one side of the tool bit deviating from the tool bit, meanwhile, a nozzle head of the nozzle swings to the direction of the tool bit facing the tool, and the connecting joint is connected with a cutting fluid feeding pipe.
Aiming at the related technology, when workpieces made of different materials are processed with different processing intensities, the heating conditions of the tool bit are different, and the cooling liquid is sprayed to the tool bit with the same flow under different working conditions, so that the cooling effect can be achieved, but the fluctuation of the temperature of the tool bit along with the change of the working conditions is difficult to be avoided, and the service life and the processing precision of the tool bit are influenced.
Disclosure of Invention
In order to realize the constant temperature control of a machine tool bit in machining, the application provides a machine tool bit temperature control device.
The application provides a lathe cutter temperature control device, adopts following technical scheme:
the utility model provides a lathe cutter temperature control device, including the base, be equipped with chuck and workstation on the base, tool bit fixed connection is on the workstation, be equipped with on the workstation and be used for spraying the cooling water's of tool bit cooling shower nozzle and be used for cooling water's refrigeration water tank, be connected with the cold water pipe between refrigeration water tank and the cooling shower nozzle, install the cold water valve that is used for controlling cold water pipe internal flow on the cold water pipe, be equipped with the cold water gear that is used for adjusting its degree of opening and shutting on the cold water valve, be equipped with unilateral open-ended temperature-sensing section of thick bamboo on the base, the temperature-sensing chamber has been seted up in the section of thick bamboo wall of temperature-sensing section of thick bamboo, the temperature-sensing runner has been seted up in the tool bit, be connected with the temperature-sensing pipeline that is used for intercommunication temperature-sensing chamber and temperature-sensing runner, be equipped with the temperature-sensing liquid that is used for heat transfer in the temperature-sensing pipeline, be equipped with the temperature-sensing pump that is used for driving temperature-sensing liquid circulation flow on the temperature-sensing pipeline, sliding connection has the piston, it has the mercury to fill between piston and the diapire of temperature-sensing section of thick bamboo, the piston is kept away from mercury one end fixedly connected with the regulation pole, adjust the pole on the pole, adjust the rack under the initial state and cold water gear breaks away from and cold water valve are in the state, when temperature rise, adjust tool bit moves to be close to the cold gear direction when adjusting, temperature is higher than in the temperature, temperature is higher than normal state, temperature and the gear and cold gear is in the direction, and cold gear is higher than normal, temperature.
Through adopting above-mentioned technical scheme, temperature sensing pump drive temperature sensing liquid circulation flow in the temperature sensing pipeline, realize the heat exchange between tool bit and the temperature sensing section of thick bamboo, the temperature of temperature sensing section of thick bamboo can be along with the change of tool bit temperature. When the temperature of the cutter head changes, mercury in the temperature sensing cylinder expands with heat and contracts with cold, the piston is driven to slide, when the temperature of the cutter head rises, the piston drives the adjusting rod to drive the adjusting rack to move towards the direction close to the cold water gear, when the temperature of the cutter head is higher than the temperature suitable for working, the adjusting rack is meshed with the cold water gear and drives the cold water gear to rotate towards the direction increasing the opening and closing degree of the cold water valve along with the continuous rising of the temperature, and when the temperature of the cutter head is reduced, the adjusting rack drives the cold water gear to rotate towards the direction decreasing the opening and closing degree of the cold water valve along with the decreasing of the temperature. The dynamic adjustment of the opening and closing degree of the cooling valve along with the temperature of the tool bit is realized, and the constant temperature control of the tool bit of the machine tool is realized in the machining process.
Optionally, a heat conducting plate for increasing heat exchange area is arranged in the temperature sensing cavity, and the heat conducting plate is fixedly connected with the temperature sensing cylinder.
Through adopting above-mentioned technical scheme, the heat-conducting plate has increased the area of contact between temperature-sensing section of thick bamboo and the temperature sensing liquid, makes the heat exchange between the two more abundant, helps the mercury in the temperature-sensing section of thick bamboo to reflect the change condition of tool bit temperature more sensitively and accurately, makes the regulation and control more accurate.
Optionally, the temperature sensing section of thick bamboo sliding connection is on the workstation, and the slip direction of temperature sensing section of thick bamboo is on a parallel with the slip direction of piston, rotates on the workstation to be connected with and is used for driving the gliding threaded rod of temperature sensing section of thick bamboo, is equipped with on the workstation and is used for driving threaded rod pivoted rotation motor.
Through adopting above-mentioned technical scheme, temperature-sensing section of thick bamboo sliding connection is on the workstation and the slip direction of temperature-sensing section of thick bamboo is on a parallel with the slip direction of piston, rotates on the workstation and is connected with and is used for the threaded rod, threaded rod and temperature-sensing section of thick bamboo threaded connection, installs the rotation motor on the workstation, rotates the coaxial fixed connection of output shaft and the threaded rod of motor, rotates the motor and can drive and control the slip of temperature-sensing section of thick bamboo through the threaded rod, and then adjusts the initial position of temperature-sensing section of thick bamboo, adjusts the temperature range that the tool bit maintained, guarantees the processingquality when processing the work piece of different materials.
Optionally, be equipped with on the workstation and be used for spraying the heating shower nozzle of heating liquid to the tool bit and be used for heating up the heating water tank for the heating liquid, be connected with the hot-water line between heating water tank and the heating shower nozzle, install the hot-water valve who is used for controlling the internal flow of hot-water line on the hot-water line, be equipped with the hot-water gear that is used for adjusting its degree of opening and shutting on the hot-water valve, adjust rack and hot-water gear and break away from and hot-water valve be in the closed condition under the initial condition, when the tool bit temperature reduces, adjust rack and move to being close to hot-water gear direction, when the tool bit is less than normal operating temperature scope, adjust rack and hot-water gear meshing and drive hot-water gear and to increase the direction rotation of the degree of opening and shutting of hot-water valve.
Through adopting above-mentioned technical scheme, when the tool bit is in normal atmospheric temperature state, adjust rack and hot water gear and be in the state of closing of hot water valve, the heating shower nozzle can not spray the heating liquid to the tool bit, when the tool bit temperature reduces, adjust rack to be close to hot water gear direction and remove, when the tool bit is less than normal operating temperature scope, adjust rack and hot water gear meshing and along with the continuation of temperature reduces and drive hot water gear to the direction rotation of the increase hot water valve degree of opening and shutting, begin the heating tool bit and along with the change of temperature and automatically regulated heating efficiency. When the room temperature is lower, the cutter head can be automatically preheated before processing, and the service life of the cutter head can be prolonged.
Optionally, a detection control circuit is arranged on the workbench, and the detection control circuit comprises an induction module, a comparison module and a control module:
the sensing module comprises a thermometer, wherein the thermometer is arranged on the workbench and is used for measuring the air temperature and outputting a sensing signal;
the comparison module is electrically connected with the induction module and is used for receiving an induction signal of the induction module, comparing a voltage value corresponding to the induction signal with a preset voltage value when the comparison module receives the induction signal, and outputting a starting signal if the voltage value of the induction signal is smaller than the preset voltage value;
the control module is electrically connected with the comparison module and is used for receiving a starting signal of the comparison module, and when the control module receives the starting signal, the control module outputs a control signal which controls the heating water tank to start heating.
Through adopting above-mentioned technical scheme, the thermometer of induction module measures the temperature and outputs the induction signal, comparison module receives the induction signal, comparison module compares the voltage value of received induction signal with predetermineeing the voltage value, if the voltage value that the induction signal corresponds is less than predetermineeing the voltage value, then output start signal, control module receives start signal, output control signal, control signal control heating water tank starts heating, when the temperature is comparatively suitable, the whole course of working does not need the heating tool bit, when the temperature is lower, the voltage value that the induction signal corresponds is less than predetermineeing the voltage value, then can start heating water tank heating its inside heating liquid, prepare for preheating, only need the circumstances of preheating just can start heating water tank's heating function, help saving the energy.
Optionally, be equipped with the collection water tank that is used for collecting coolant liquid and heating liquid in the base, the collection mouth that is used for coolant liquid and heating liquid to pass through is seted up on the surface of base.
Through adopting above-mentioned technical scheme, spray coolant liquid and heating liquid on the tool bit, finally pass the collection mouth and get into in the collection water tank, use collection water tank to collect coolant liquid and heating liquid, be convenient for recycle, help practicing thrift the cost.
Optionally, the collection water tank is including the hot water collecting box that is used for collecting the heating liquid and the cold water collecting box that is used for collecting the coolant liquid, and collection mouth department is equipped with the collection funnel, and the play water position intercommunication of collection funnel has the collecting pipe, and collecting pipe keeps away from collection funnel one end intercommunication has the hot water recovery pipe that is used for letting in the hot water collecting box and is used for letting in the cold water recovery pipe of cold water collecting box, is equipped with hot water collection valve on the hot water recovery pipe, is equipped with cold water collection valve on the cold water recovery pipe.
By adopting the technical scheme, the cooling water and the heating water can be separately collected by controlling the on-off of the hot water collecting valve and the cold water collecting valve, so that the energy and the cost are saved.
Optionally, the outer walls of the hot water collecting box and the cold water collecting box are respectively provided with a heat insulation layer for heat insulation.
Through adopting above-mentioned technical scheme, the heat preservation can reduce the heat exchange of hot water collecting box and cold water collecting box and external world, and then reduces the temperature variation range of cooling water and heating water, practices thrift the cost.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by adopting the technical scheme, the temperature sensing pump drives the temperature sensing liquid to circularly flow in the temperature sensing pipeline, so that the heat exchange between the cutter head and the temperature sensing barrel is realized, the temperature of the temperature sensing barrel can be changed along with the change of the temperature of the cutter head, mercury in the temperature sensing barrel expands with heat and contracts with cold along with the change of the temperature, the volume is changed so as to drive the piston to slide, when the temperature of the cutter head is increased, the piston drives the adjusting rod to drive the adjusting rack to move towards the direction close to the cold water gear, when the temperature of the cutter head is higher than the temperature suitable for working, the adjusting rack is meshed with the cold water gear and drives the cold water gear to rotate towards the direction increasing the opening and closing degree of the cold water valve along with the continuous increase of the temperature, and when the temperature of the cutter head is reduced, the adjusting rack drives the cold water gear to rotate towards the direction decreasing the opening and closing degree of the cold water valve along with the decrease of the temperature, so that the dynamic adjustment of the opening degree of the cold valve along with the temperature of the cutter head is realized, and the thermostatic control of the cutter head is facilitated in the machining;
2. the temperature of the cutter head is almost the same as the room temperature in the initial state before machining in winter even when the ambient temperature is lower than zero, and if the cutter head is directly machined, the temperature of the cutter head can be greatly increased in a short time, the service life and the machining quality of the cutter head are influenced, a heating spray head and a heating water tank are arranged on a workbench, a hot water pipe is connected between the heating water tank and the heating spray head, a hot water valve is arranged on the hot water pipe, a hot water gear is arranged on the hot water valve, the opening and closing degree of the hot water valve can be adjusted by rotating the hot water gear, the cutter head is in a normal temperature state, a regulating rack is separated from the hot water gear and is in a closed state, the cutter head cannot be heated, the regulating rack moves towards the direction close to the hot water gear when the temperature of the cutter head is reduced, and when the cutter head is lower than the temperature suitable for working, the regulating rack is meshed with the hot water gear and drives the hot water gear to rotate towards the direction of increasing the opening and closing degree of the hot water valve along with the continuous reduction of the temperature, the automatic preheating of the cutter head is realized, the service life of the cutter head is prolonged, and the frame quality is guaranteed.
Drawings
Fig. 1 is a schematic overall structure of an embodiment of the present application.
Fig. 2 is a schematic diagram of an internal structure of the temperature sensing flow channel according to an embodiment of the present application.
Fig. 3 is an enlarged schematic view of the portion a in fig. 2.
Fig. 4 is an enlarged schematic view of a portion B in fig. 1.
Fig. 5 is a schematic diagram for showing the sensing module, the comparing module and the control module in the embodiment of the present application.
Fig. 6 is a schematic view showing an internal structure of the collecting tank in the embodiment of the present application.
Reference numerals illustrate: 1. a base; 11. a collection port; 12. a collection funnel; 121. a collection pipe; 2. a chuck; 3. a work table; 31. a cutter head; 311. a temperature sensing runner; 312. a temperature sensing pipeline; 3121. a temperature-sensing pump; 32. a threaded rod; 33. a rotating motor; 41. cooling the spray head; 42. a refrigeration water tank; 43. a cold water pipe; 431. a cold water valve; 4311. a cold water gear; 5. a temperature sensing cylinder; 51. a temperature sensing cavity; 52. a piston; 521. an adjusting rod; 5211. adjusting the rack; 53. a heat conductive plate; 61. heating the spray head; 62. heating the water tank; 63. a hot water pipe; 631. a hot water valve; 6311. a hot water gear; 71. an induction module; 711. a thermometer; 72. a comparison module; 73. a control module; 8. a collecting water tank; 81. a hot water collection tank; 82. a hot water recovery pipe; 821. a hot water collection valve; 83. a cold water collection tank; 84. a cold water recovery pipe; 841. a cold water collection valve; 85. and a heat preservation layer.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings.
The embodiment of the application discloses a machine tool cutter temperature control device.
Referring to fig. 1, a machine tool cutter temperature control device comprises a base 1, wherein a chuck 2 is rotatably connected to the base 1, and a rotation axis is horizontally arranged and used for clamping a workpiece and driving the workpiece to rotate, a workbench 3 is slidably connected to the base 1, and a cutter head 31 is fixedly connected to the workbench 3, which is related to the prior art of a machine tool, and the embodiment is not excessively described. Under different machining strengths and when workpieces made of different materials are machined, the heating condition of the tool bit 31 is different, the temperature of the tool bit can fluctuate along with the change of working conditions, and the service life and the machining precision of the tool are affected. The table 3 is provided with a cooling head 41 and a cooling water tank 42, the cooling water tank 42 is used for storing and cooling the cooling liquid, a cold water pipe 43 is connected between the cooling water tank 42 and the cooling head 41, and the cooling water tank 42 supplies the cooling liquid to the cooling head 41 through the cold water pipe 43. The cold water pipe 43 is provided with a cold water valve 431 for controlling the flow rate in the cold water pipe 43. In the processing process, the opening and closing degree of the cold water valve 431 is changed according to the temperature change of the cutter head 31, when the temperature of the cutter head 31 is increased, the opening and closing degree of the cold water valve 431 is increased, when the temperature of the cutter head 31 is reduced, the opening and closing degree of the cold water valve 431 is reduced, and then the flow of cooling liquid is associated with the temperature of the cutter head 31, so that dynamic adjustment is realized, and the constant temperature control of the cutter head 31 of a machine tool is facilitated in processing.
Referring to fig. 1 and 2, a cold water gear 4311 is installed on a cold water valve 431, the opening and closing degree of the cold water valve 431 can be adjusted by rotating the cold water gear 4311, a temperature sensing barrel 5 is installed on a base 1, the temperature sensing barrel 5 is a hollow three-dimensional rectangle with a single side opening, a temperature sensing cavity 51 is formed in the barrel wall of the temperature sensing barrel 5, and the temperature sensing barrel 5 is made of a material which is easy to conduct heat. A temperature sensing runner 311 is arranged in the cutter head 31, a temperature sensing pipeline 312 is connected between the cutter head 31 and the temperature sensing barrel 5, and the temperature sensing pipeline 312 communicates both ends of the temperature sensing runner 311 with the temperature sensing cavity 51 to form a closed runner. The temperature sensing pipe 312 is provided with a temperature sensing liquid for heat transfer, and the temperature sensing pipe 312 is provided with a temperature sensing pump 3121 for driving the temperature sensing liquid to circularly flow, so that heat exchange between the cutter head 31 and the temperature sensing barrel 5 is realized, and the temperature of the temperature sensing barrel 5 is changed along with the change of the temperature of the cutter head 31. A piston 52 is slidably connected in the temperature sensing cylinder 5, mercury is filled between the piston 52 and the bottom wall of the temperature sensing cylinder 5, and when the temperature of the temperature sensing cylinder 5 changes, the mercury expands with heat and contracts with cold, so that the piston 52 is driven to slide. The end of the piston 52, which is far away from mercury, is fixedly connected with an adjusting rod 521, the adjusting rod 521 is fixedly connected with an adjusting rack 5211, when the tool bit 31 is in a standard room temperature state and the adjusting rack 5211 is separated from the cold water gear 4311 and the cold water valve 431 is in a closed state, after the machining is started, the temperature of the tool bit 31 rises, the piston 52 drives the adjusting rod 521 to drive the adjusting rack 5211 to move towards the direction close to the cold water gear 4311, when the tool bit 31 is higher than a normal working temperature range, the adjusting rack 5211 is meshed with the cold water gear 4311 and drives the cold water gear 4311 to rotate towards the direction for increasing the opening and closing degree of the cold water valve 431 along with the continuous rising of the temperature, and otherwise, drives the cold water gear 4311 to rotate towards the direction for reducing the opening and closing degree of the cold water valve 431 along with the lowering of the temperature. The dynamic adjustment of the opening and closing degree of the cooling valve along with the temperature of the cutter head 31 is realized.
Referring to fig. 2 and 3, the temperature sensing liquid circularly flows in the temperature sensing pipeline 312 and exchanges heat with the cutter head 31 and the temperature sensing barrel 5 to conduct heat, the heat conducting plate 53 is arranged in the temperature sensing cavity 51, the heat conducting plate 53 is fixedly connected with the temperature sensing barrel 5, the contact area between the temperature sensing barrel 5 and the temperature sensing liquid is increased by the heat conducting plate 53, the heat exchange between the two is more sufficient, mercury in the temperature sensing barrel 5 can reflect the change condition of the temperature of the cutter head 31 more sensitively and accurately, and the regulation and control are more accurate.
Referring to fig. 1 and 3, when workpieces made of different materials are processed, the working temperatures suitable for the tool bit 31 are often different, the temperature sensing barrel 5 is slidably connected to the workbench 3, the sliding direction of the temperature sensing barrel 5 is parallel to the sliding direction of the piston 52, the initial position of the temperature sensing barrel 5 can be adjusted by sliding the temperature sensing barrel 5, the temperature range maintained by the tool bit 31 is further adjusted, the threaded rod 32 is rotationally connected to the workbench 3, the threaded rod 32 is in threaded connection with the temperature sensing barrel 5, the workbench 3 is provided with the rotary motor 33, the output shaft of the rotary motor 33 is fixedly connected with the threaded rod 32 coaxially, the rotary motor 33 can drive the threaded rod 32 to rotate, the rotary threaded rod 32 can drive and control the sliding of the temperature sensing barrel 5, and the temperature range maintained by the tool bit 31 is adjusted according to the different materials of the workpieces, so that the processing quality of workpieces made of different materials is ensured.
Referring to fig. 2 and 4, the temperature of the environment is low in winter, resulting in a low temperature of the tool bit 31 in an initial state before machining, a low structural strength of the tool bit 31 at a low temperature, and if machining is directly started, the temperature of the tool bit 31 is rapidly and greatly increased in a short time, which affects the service life and the machining quality of the tool bit 31. The workbench 3 is provided with a heating nozzle 61 and a heating water tank 62, and a hot water pipe 63 is connected between the heating water tank 62 and the heating nozzle 61. The heating water tank 62 is used for storing and heating the heating liquid, and supplying the heating liquid to the heating nozzle 61 through the hot water pipe 63, and the heating nozzle 61 sprays the heating liquid to the cutter head 31 to heat the cutter head 31. The hot water valve 631 is installed on the hot water pipe 63, the hot water gear 6311 is installed on the hot water valve 631, and the opening and closing degree of the hot water valve 631 can be adjusted by rotating the hot water gear 6311, so that the flow in the hot water pipe 63 can be adjusted. When the cutter head 31 is at normal temperature, the adjusting rack 5211 is separated from the hot water gear 6311, the hot water valve 631 is in a closed state, when the temperature of the cutter head 31 is reduced, the adjusting rack 5211 moves towards the hot water gear 6311, and when the cutter head 31 is lower than the normal operating temperature range, the adjusting rack 5211 is meshed with the hot water gear 6311 and drives the hot water gear 6311 to rotate in a direction of increasing the opening and closing degree of the hot water valve 631 along with the continuous reduction of the temperature. At a lower room temperature, the tool bit 31 can be automatically preheated before machining, which is helpful for prolonging the service life of the tool bit 31.
Referring to fig. 1 and 5, a detection circuit is provided on the table 3, and the detection circuit includes an induction module 71, a comparison module 72, and a control module 73:
the sensing module 71, including a thermometer 711, measures air temperature and outputs a sensing signal;
a comparison module 72 comprising:
a comparator T, the positive input of which is electrically connected to the output of the thermometer 711;
the base electrode of the triode Q is electrically connected with the output end of the comparator T;
the resistor R1, one end of the resistor R1 is electrically connected with the collector electrode of the triode Q, and the other end of the resistor R1 is electrically connected with the power supply VCC;
an electromagnetic coil KA1 of the relay, wherein one end of the electromagnetic coil KA1 of the relay is electrically connected with an emitter of the triode Q;
one end of the resistor R2 is electrically connected with one end of the electromagnetic coil KA1 of the relay, which is far away from the triode Q, and the other end of the resistor R2 is grounded;
a control module 73 comprising:
one end of the normally open switch KA1-1 of the relay is electrically connected between the electromagnetic coil KA1 and the resistor R2 of the relay;
the heating water tank 62, one end of the heating water tank 62 is electrically connected with one end of a normally open switch KA1-1 of the relay, which is far away from the resistor R2;
and one end of the resistor R3 is electrically connected with one end of the heating water tank 62, which is far away from the normally open switch KA1-1 of the relay, and the other end of the resistor R3 is grounded.
Referring to fig. 1 and 5, the thermometer 711 of the sensing module 71 measures the air temperature and outputs a sensing signal, the comparing module 72 receives the sensing signal, the comparing module 72 compares the voltage value of the received sensing signal with a preset voltage value, if the voltage value corresponding to the sensing signal is smaller than the preset voltage value, a start signal is output, the control module 73 receives the start signal and outputs a control signal, the control signal controls the heating water tank 62 to start heating, when the air temperature is relatively suitable, the whole processing process does not need to heat the tool bit 31, when the air temperature is relatively low, that is, the voltage value corresponding to the sensing signal is smaller than the preset voltage value, the heating water tank 62 can be started to heat the heating liquid in the heating water tank 62, preparation for preheating is performed, and the heating function of the heating water tank 62 can be started only under the condition that preheating is required, thereby contributing to energy saving.
Referring to fig. 1 and 6, the collecting water tank 8 is installed in the base 1, the collecting port 11 is formed in the surface of the base 1, the cooling liquid and the heating liquid sprayed onto the cutter head 31 finally pass through the collecting port 11 to enter the collecting water tank 8, the cooling liquid and the heating liquid are collected by using the collecting water tank 8, the recycling is facilitated, and the cost is saved.
Referring to fig. 1 and 6, the temperatures of the used cooling liquid and heating liquid are different, and if the cooling liquid and the heating liquid are collected in a mixing manner, the temperatures of the cooling liquid and the heating liquid are neutralized, and more energy is required to change the temperatures of the cooling water tank 42 and the heating water tank 62 after the cooling liquid and the heating liquid are recovered, which is disadvantageous in cost saving. The collecting port 11 is provided with a collecting funnel 12, a water outlet part of the collecting funnel 12 is communicated with a collecting pipe 121, the collecting water tank 8 comprises a hot water collecting tank 81 and a cold water collecting tank 83, the hot water collecting tank and the cold water collecting tank are respectively used for collecting heating liquid and cooling liquid, one end, far away from the collecting funnel 12, of the collecting pipe 121 is communicated with a hot water collecting pipe 82 used for leading in the hot water collecting tank 81 and a cold water collecting pipe 84 used for leading in the cold water collecting tank 83, the hot water collecting pipe 82 is provided with a hot water collecting valve 821, and the cold water collecting pipe 84 is provided with a cold water collecting valve 841. The separate collection of the cooling water and the heating water may be performed by controlling the on-off of the hot water collecting valve 821 and the cold water collecting valve 841.
Referring to fig. 6, the outer walls of the hot water collecting tank 81 and the cold water collecting tank 83 are provided with heat insulation layers 85, and the heat insulation layers 85 are made of heat insulation materials, so that heat exchange between the hot water collecting tank 81 and the cold water collecting tank 83 and the outside can be reduced, the temperature variation amplitude of cooling water and heating water is further reduced, and the cost is saved.
The implementation principle of the machine tool cutter temperature control device provided by the embodiment of the application is as follows: before machining, the temperature sensing pump 3121 is started to drive the temperature sensing liquid to circularly flow in the temperature sensing pipeline 312, so that heat exchange between the cutter head 31 and the temperature sensing barrel 5 is realized, and the temperature of the temperature sensing barrel 5 changes along with the change of the temperature of the cutter head 31. If the temperature of the cutter head 31 is low at this time, the temperature of the temperature sensing barrel 5 will be reduced, the adjusting rack 5211 will move towards the direction close to the hot water gear 6311, when the cutter head 31 is lower than the normal working temperature range, the adjusting rack 5211 is meshed with the hot water gear 6311 and drives the hot water gear 6311 to rotate towards the direction increasing the opening and closing degree of the hot water valve 631 along with the continuous reduction of the temperature, the cutter head 31 is preheated, and after the cutter head 31 is preheated to a proper temperature, the hot water valve 631 is closed. When the temperature of the cutter head 31 starts to rise, the piston 52 drives the adjusting rod 521 to drive the adjusting rack 5211 to move towards the cold water gear 4311, when the temperature of the cutter head 31 is higher than the proper temperature, the adjusting rack 5211 is meshed with the cold water gear 4311 and drives the cold water gear 4311 to rotate towards the opening and closing degree of the cold water valve 431 along with the continuous rising of the temperature, and when the temperature of the cutter head 31 is reduced, the adjusting rack 5211 drives the cold water gear 4311 to rotate towards the opening and closing degree of the cold water valve 431 along with the reduction of the temperature. The dynamic adjustment of the opening and closing degree of the cold water valve 431 along with the temperature of the tool bit 31 is realized, and the constant temperature control of the tool bit 31 of the machine tool is realized in the machining process.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (7)
1. The utility model provides a lathe cutter temperature control device, includes base (1), is equipped with chuck (2) and workstation (3) on base (1), tool bit (31) fixed connection is on workstation (3), its characterized in that: the workbench (3) is provided with a cooling spray head (41) for spraying cooling liquid to the cutter head (31) and a cooling water tank (42) for cooling the cooling liquid, a cold water pipe (43) is connected between the cooling water tank (42) and the cooling spray head (41), a cold water valve (431) for controlling the flow rate in the cold water pipe (43) is arranged on the cold water pipe (43), a cold water gear (4311) for adjusting the opening and closing degree of the cold water valve (431) is arranged on the cold water valve (431), a temperature sensing cylinder (5) with a single-side opening is arranged on the base (1), a temperature sensing cavity (51) is arranged in the cylinder wall of the temperature sensing cylinder (5), a temperature sensing flow channel (311) is arranged in the cutter head (31), a temperature sensing pipeline (312) for communicating the temperature sensing cavity (51) with the temperature sensing flow channel (311) is connected between the cutter head (31) and the temperature sensing cylinder (5), a temperature sensing liquid for heat transfer is arranged in the temperature sensing pipeline (312), a temperature sensing pump (3121) for driving the temperature sensing liquid to circularly flow is arranged on the temperature sensing pipeline (312), a piston (52) is connected in a sliding mode, a piston (52) is connected in the temperature sensing cylinder (5), one end of the piston (52) is fixedly connected with a regulating rod (521) between the piston (52) and the bottom wall (5), the adjusting rack (5211) is separated from the cold water gear (4311) in an initial state, the cold water valve (431) is in a closed state, when the temperature of the cutter head (31) is increased, the adjusting rack (5211) moves towards the direction close to the cold water gear (4311), when the cutter head (31) is higher than a normal working temperature range, the adjusting rack (5211) is meshed with the cold water gear (4311) and drives the cold water gear (4311) to rotate towards the direction increasing the opening and closing degree of the cold water valve (431), the workbench (3) is provided with a heating spray head (61) for spraying heating liquid to the cutter head (31) and a heating water tank (62) for heating the heating liquid, a hot water pipe (63) is connected between the heating water tank (62) and the heating spray head (61), the hot water valve (631) for controlling the flow in the hot water pipe (63) is arranged on the hot water pipe (63), when the opening and closing degree of the hot water valve (631) is adjusted, the adjusting rack (5211) is separated from the hot water gear (6311) in the initial state, when the temperature of the cutter head (31) is reduced, the hot water valve (631) moves towards the direction close to the normal working temperature range (631), the adjusting rack (5211) is meshed with the hot water gear (6311) and drives the hot water gear (6311) to rotate in a direction of increasing the opening and closing degree of the hot water valve (631).
2. A machine tool bit temperature control device according to claim 1, wherein: the temperature sensing cavity (51) is internally provided with a heat conducting plate (53) for increasing the heat exchange area, and the heat conducting plate (53) is fixedly connected with the temperature sensing barrel (5).
3. A machine tool bit temperature control device according to claim 1, wherein: the temperature sensing section of thick bamboo (5) sliding connection is on workstation (3), and the slip direction of temperature sensing section of thick bamboo (5) is on a parallel with the slip direction of piston (52), rotates on workstation (3) and is connected with threaded rod (32) that are used for driving temperature sensing section of thick bamboo (5) gliding, is equipped with on workstation (3) and is used for driving threaded rod (32) pivoted rotation motor (33).
4. A machine tool bit temperature control device according to claim 1, wherein: the workbench (3) is provided with a detection control circuit, and the detection control circuit comprises an induction module (71), a comparison module (72) and a control module (73):
the sensing module (71) comprises a thermometer (711), and the thermometer (711) is arranged on the workbench (3) and is used for measuring the air temperature and outputting a sensing signal;
the comparison module (72), the comparison module (72) is connected with the induction module (71) electrically, the comparison module (72) is used for receiving the induction signal of the induction module (71), when the comparison module (72) receives the induction signal, the voltage value corresponding to the induction signal is compared with the preset voltage value, and if the voltage value of the induction signal is smaller than the preset voltage value, the comparison module (72) outputs a starting signal;
the control module (73), control module (73) is connected with comparison module (72) electricity, and control module (73) are used for receiving the start signal of comparison module (72), and when control module (73) received the start signal, output control signal, control signal control heating water tank (62) start heating.
5. A machine tool bit temperature control device according to claim 1, wherein: the base (1) is internally provided with a collecting water tank (8) for collecting cooling liquid and heating liquid, and the surface of the base (1) is provided with a collecting port (11) for the cooling liquid and the heating liquid to pass through.
6. A machine tool bit temperature control device according to claim 5, wherein: the collecting water tank (8) comprises a hot water collecting box (81) for collecting heating liquid and a cold water collecting box (83) for collecting cooling liquid, a collecting funnel (12) is arranged at a collecting opening (11), a collecting pipe (121) is communicated with a water outlet part of the collecting funnel (12), a hot water recovery pipe (82) for leading in the hot water collecting box (81) and a cold water recovery pipe (84) for leading in the cold water collecting box (83) are communicated with one end of the collecting pipe (121) away from the collecting funnel (12), a hot water collecting valve (821) is arranged on the hot water recovery pipe (82), and a cold water collecting valve (841) is arranged on the cold water recovery pipe (84).
7. A machine tool bit temperature control device according to claim 6, wherein: the outer walls of the hot water collecting box (81) and the cold water collecting box (83) are respectively provided with a heat insulation layer (85) for heat insulation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311677784.7A CN117359385B (en) | 2023-12-08 | 2023-12-08 | Machine tool cutter temperature control device |
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| CN202311677784.7A CN117359385B (en) | 2023-12-08 | 2023-12-08 | Machine tool cutter temperature control device |
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| CN112548666A (en) * | 2020-12-28 | 2021-03-26 | 南昌航空大学 | Temperature control device for machine tool cutter |
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| CN114919190A (en) * | 2022-04-26 | 2022-08-19 | 河北工业大学 | Heating and milling automatic switching integrated milling heating device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US10610992B2 (en) * | 2017-08-28 | 2020-04-07 | United Technologies Corporation | Automated interchangeable coolant distributor |
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| CN101856266A (en) * | 2010-06-21 | 2010-10-13 | 重庆大学 | Liquid-nitrogen driving cold and hot minimally invasive cutter system |
| CN205184532U (en) * | 2015-10-29 | 2016-04-27 | 重庆市永川区石包冲建材经营部 | Processing mill |
| JP2018141570A (en) * | 2017-02-27 | 2018-09-13 | 仁彦 多田 | Knife warmer for microwave |
| CN112548666A (en) * | 2020-12-28 | 2021-03-26 | 南昌航空大学 | Temperature control device for machine tool cutter |
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