Self-adaptive isotherm cutting machine tool
By installing an isothermal control device on the online cutting machine, the temperature of the cutting fluid is controlled to be consistent with the temperature of the machine bed, which solves the problem of machine bed deformation caused by the rise of the cutting fluid temperature and improves the machining accuracy.
Patent Information
- Application Number
- CN202520051983.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-09
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-01-09
AI Technical Summary
During the machining process of a wire EDM machine, the temperature of the cutting fluid rises, causing microscopic deformation in various parts of the machine bed, which affects the machining accuracy.
An isothermal control device is adopted, including a cutting fluid circulation pipe, an isothermal circulation pump, a refrigeration unit, and a temperature control board. The temperature of the machine bed and the cutting fluid is collected by a temperature measuring head, and the cutting fluid temperature is controlled to be consistent with the machine bed temperature. The cutting fluid temperature is reduced by using a semiconductor cooling chip and a cooling fan.
This effectively prevents deformation of the machine bed caused by increased cutting fluid temperature, thus improving machining accuracy.
Smart Images
Figure CN223811647U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of electric spark machining equipment, concretely relates to a self-adaptive isotherm cutting machine tool. BACKGROUND
[0002] The wire cutting machine tool processes workpieces through electric spark discharge, and needs to continuously flush and cool the processed parts with cutting fluid during processing. Therefore, as the processing time increases and the cutting area increases, and the heat generated by the water pump in the cutting fluid circulation, the temperature of the cutting fluid will gradually increase, which will cause the temperature of the bed body to also increase. Due to the thermal expansion and contraction effect, the bed body will be deformed to varying degrees in microcosm, which will affect the cutting accuracy (especially for medium or slow wire cutting). SUMMARY
[0003] Based on the above problems, the utility model aims to provide a self-adaptive isotherm cutting machine tool that can effectively control the temperature of the cutting fluid of the wire cutting machine tool, so that the temperature of the cutting fluid and the temperature of the bed body are always consistent to avoid deformation of the bed body and affect the cutting accuracy.
[0004] To solve the above problems, the following technical scheme is provided: a self-adaptive isotherm cutting machine tool, comprising a wire cutting machine tool, further comprising an isotherm adjusting device, the isotherm adjusting device comprising a cutting fluid circulation pipe, the inlet of the cutting fluid circulation pipe being connected to the water tank of the wire cutting machine tool, and the outlet of the cutting fluid circulation pipe being connected to the water tank; the cutting fluid circulation pipe is provided with an isothermal circulating pump for conveying cutting fluid and a refrigeration device for reducing the temperature of the cutting fluid; the isotherm adjusting device further comprises a temperature control panel for controlling the operation of the isothermal circulating pump and the refrigeration device, and a temperature measuring head for collecting the temperature of the cutting fluid and the temperature of the bed body of the wire cutting machine tool, the temperature measuring head being electrically connected to the temperature control panel.
[0005] In the above structure, the temperature of the bed body of the wire cutting machine tool and the temperature of the cutting fluid are collected by the temperature measuring head, and the temperature difference between the two is compared. When the temperature of the cutting fluid is higher than the temperature of the bed body, the temperature control panel controls the isothermal circulating pump and the refrigeration device to work, so that the temperature of the cutting fluid is reduced to be consistent with the temperature of the bed body, avoiding the deformation of the bed body due to the temperature difference between the cutting fluid and the bed body, which affects the processing accuracy; the temperature measuring head for measuring the temperature of the cutting fluid is located in the water tank.
[0006] The utility model is further provided, the isothermal circulating pump is located on the upstream of the refrigeration device.
[0007] In the above structure, the isothermal circulating pump will generate heat when it works, and being located on the upstream of the refrigeration device can better ensure the temperature accuracy of the cutting fluid downstream of the refrigeration device.
[0008] The wire cutting machine tool further comprises a bed body, and the temperature measuring head is located at the position with the maximum mass of the bed body.
[0009] In the structure, the temperature measuring head for measuring the temperature of the bed body is arranged at the position with the maximum mass of the bed body, the temperature of the position is stable, and the accuracy of the measured temperature can be effectively ensured.
[0010] The wire cutting machine tool further comprises a bed body, and the temperature measuring head is located at the position with the maximum mass of the bed body.
[0011] In the structure, the temperature measuring head for measuring the temperature of the bed body is arranged at the position with the maximum mass of the bed body, the temperature of the position is stable, and the accuracy of the measured temperature can be effectively ensured.
[0012] The wire cutting machine tool further comprises a bed body, and the temperature measuring head is located at the position with the maximum mass of the bed body.
[0013] In the structure, the temperature measuring head for measuring the temperature of the bed body is arranged at the position with the maximum mass of the bed body, the temperature of the position is stable, and the accuracy of the measured temperature can be effectively ensured.
[0014] The wire cutting machine tool further comprises a bed body, and the temperature measuring head is located at the position with the maximum mass of the bed body.
[0015] In the structure, the temperature measuring head for measuring the temperature of the bed body is arranged at the position with the maximum mass of the bed body, the temperature of the position is stable, and the accuracy of the measured temperature can be effectively ensured.
[0016] The wire cutting machine tool further comprises a bed body, and the temperature measuring head is located at the position with the maximum mass of the bed body.
[0017] In the structure, the temperature measuring head for measuring the temperature of the bed body is arranged at the position with the maximum mass of the bed body, the temperature of the position is stable, and the accuracy of the measured temperature can be effectively ensured.
[0018] The wire cutting machine tool further comprises a bed body, and the temperature measuring head is located at the position with the maximum mass of the bed body.
[0019] In the structure, the temperature measuring head for measuring the temperature of the bed body is arranged at the position with the maximum mass of the bed body, the temperature of the position is stable, and the accuracy of the measured temperature can be effectively ensured.
[0020] The wire cutting machine tool further comprises a bed body, and the temperature measuring head is located at the position with the maximum mass of the bed body.
[0021] In the structure, the temperature measuring head for measuring the temperature of the bed body is arranged at the position with the maximum mass of the bed body, the temperature of the position is stable, and the accuracy of the measured temperature can be effectively ensured.
[0022] The utility model discloses the beneficial effects have: through the temperature measurement head gathers the temperature on the bed of linear cutting machine tool and cutting fluid temperature, and the temperature difference of two temperature is compared, when cutting fluid temperature is higher than the bed temperature, and temperature control board controls isothermal circulating pump and refrigerating plant work, makes cutting fluid temperature reduce to the bed temperature consistent, avoids the bed because of cutting fluid temperature rise and leads to the bed each part temperature inconsistency to have the subtle deformation and influence processing accuracy, the temperature measurement head for measuring cutting fluid temperature is located in the water tank. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 It is the first perspective integral stereoscopic structure diagram of the utility model.
[0024] Figure 2 It is the second perspective stereoscopic structure diagram of the utility model.
[0025] Figure 3 It is the principle diagram of the utility model embodiment 1.
[0026] Figure 4 It is the principle diagram of the utility model embodiment 2.
[0027] The meaning of figure mark: 10-linear cutting machine tool;11-bed;20-isothermal adjusting device;21-cutting fluid circulation pipe;22-isothermal circulating pump;23-refrigerating plant;231-cold end heat exchanger;232-hot end heat exchanger;233-semiconductor refrigeration sheet;234-radiating fan;235-heat exchanger;236-refrigerating system;2361-refrigerant pipeline;2362-radiating row;2363-dryer;2364-expansion valve;2365-heat absorption component;2366-compressor. DETAILED DESCRIPTION
[0028] The specific implementation of the utility model is described in further detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.
[0029] Example 1
[0030] Reference Figures 1 to 4 , for example Figures 1 to 3The adaptive isothermal wire cutting machine tool shown in the application comprises a wire cutting machine tool 10 and an isothermal adjusting device 20, wherein the isothermal adjusting device 20 comprises a cutting fluid circulating pipe 21, the inlet of the cutting fluid circulating pipe 21 is connected with a water tank (prior art, not shown in the figure) of the wire cutting machine tool 10, and the outlet of the cutting fluid circulating pipe 21 is connected with a water tank (not shown in the figure); the cutting fluid circulating pipe 21 is provided with an isothermal circulating pump 22 for conveying cutting fluid and a refrigerating device 23 for reducing the temperature of the cutting fluid; the isothermal adjusting device 20 further comprises a temperature control panel (prior art, not shown in the figure) for controlling the working of the isothermal circulating pump 22 and the refrigerating device 23, and a temperature measuring head (prior art, not shown in the figure) for collecting the temperature of the cutting fluid and the temperature of the bed body 11 of the wire cutting machine tool 10, wherein the temperature measuring head (prior art, not shown in the figure) is electrically connected with the temperature control panel (prior art, not shown in the figure).
[0031] In the above structure, the temperature of the bed body 11 of the wire cutting machine tool 10 and the temperature of the cutting fluid are collected by the temperature measuring head (prior art, not shown in the figure), and the temperature difference between the two is compared; when the temperature of the cutting fluid is higher than the temperature of the bed body 11, the temperature control panel (prior art, not shown in the figure) controls the isothermal circulating pump 22 and the refrigerating device 23 to work, so as to reduce the temperature of the cutting fluid to be consistent with the temperature of the bed body 11, thereby avoiding the fact that the temperature of each part of the bed body 11 is inconsistent due to the temperature rise of the cutting fluid, and the slight deformation of the bed body 11 caused by the temperature rise of the cutting fluid affects the machining precision; the temperature measuring head (prior art, not shown in the figure) for measuring the temperature of the cutting fluid is located in the water tank (prior art, not shown in the figure).
[0032] In the embodiment, the isothermal circulating pump 22 is located upstream of the refrigerating device 23.
[0033] In the above structure, the isothermal circulating pump 22 generates heat when working, and the temperature accuracy of the cutting fluid downstream of the refrigerating device 23 can be better guaranteed by locating the isothermal circulating pump 22 upstream of the refrigerating device 23.
[0034] In the embodiment, the wire cutting machine tool 10 comprises a bed body 11, and the temperature measuring head (prior art, not shown in the figure) is located at the position with the maximum mass of the bed body 11.
[0035] In the above structure, the temperature measuring head (prior art, not shown in the figure) for measuring the temperature of the bed body 11 is arranged at the position with the maximum mass of the bed body 11, and the temperature of this position is stable, which can effectively guarantee the accuracy of the measured temperature.
[0036] In the embodiment, the wire cutting machine tool 10 comprises a bed body 11, and the bed body 11 is distributed with a plurality of temperature measuring heads (prior art, not shown in the figure).
[0037] In the above structure, a plurality of temperature measuring heads (prior art, not shown in the figure) can be arranged on the lathe bed 11, and the average temperature of the temperature measuring heads (prior art, not shown in the figure) is taken as the temperature of the lathe bed 11 to ensure accuracy.
[0038] In the embodiment, the refrigeration device 23 comprises a cold end heat exchanger 231, a hot end heat exchanger 232, and a semiconductor refrigeration sheet 233; the cold end heat exchanger 231 is connected in series with the cutting fluid circulation pipe 21 for the cutting fluid to flow through; the cold face of the semiconductor refrigeration sheet 233 is attached to the cold end heat exchanger 231, the hot face of the semiconductor refrigeration sheet 233 is attached to the hot end heat exchanger 232, and the semiconductor refrigeration sheet 233 is electrically connected to the temperature control panel (prior art, not shown in the figure).
[0039] In the above structure, the temperature in the cold end heat exchanger 231 is transferred to the hot end heat exchanger 232 by the semiconductor refrigeration sheet 233 for heat dissipation, so as to reduce the temperature of the cutting fluid.
[0040] In the embodiment, the hot end heat exchanger 232 is a heat dissipation fin, and the heat dissipation fin is provided with a heat dissipation fan 234 electrically connected to the temperature control panel (prior art, not shown in the figure).
[0041] In the above structure, the heat dissipation fin cooperates with the heat dissipation fan 234 to effectively improve the heat dissipation effect.
[0042] Embodiment 2
[0043] Reference Figures 1 to 4 As shown in Figure 1 , Figure 2 and Figure 4 , a self-adaptive isothermal wire cutting machine tool comprises a wire cutting machine tool 10, and further comprises an isothermal adjusting device 20, the isothermal adjusting device 20 comprises a cutting fluid circulation pipe 21, the inlet of the cutting fluid circulation pipe 21 is connected with a water tank (prior art, not shown in the figure) of the wire cutting machine tool 10, and the outlet of the cutting fluid circulation pipe 21 is connected with the water tank (not shown in the figure); the cutting fluid circulation pipe 21 is provided with an isothermal circulation pump 22 for conveying cutting fluid and a refrigeration device 23 for reducing the temperature of the cutting fluid; the isothermal adjusting device 20 further comprises a temperature control panel (prior art, not shown in the figure) for controlling the working of the isothermal circulation pump 22 and the refrigeration device 23, and a temperature measuring head (prior art, not shown in the figure) for collecting the temperature of the cutting fluid and the temperature of the lathe bed 11 of the wire cutting machine tool 10, and the temperature measuring head (prior art, not shown in the figure) is electrically connected to the temperature control panel (prior art, not shown in the figure).
[0044] In the structure, the temperature of the bed body 11 of the wire cutting machine tool 10 and the temperature of the cutting fluid are collected by the temperature measuring head (prior art, not shown in the figure), and the temperature difference between the two is compared. When the temperature of the cutting fluid is higher than the temperature of the bed body 11, the temperature control board (prior art, not shown in the figure) controls the isothermal circulating pump 22 and the refrigeration device 23 to work, so that the temperature of the cutting fluid is reduced to be consistent with the temperature of the bed body 11, thereby avoiding the deformation of the bed body 11 caused by the temperature difference of the cutting fluid, and affecting the machining precision. The temperature measuring head (prior art, not shown in the figure) for measuring the temperature of the cutting fluid is located in the water tank (prior art, not shown in the figure).
[0045] In the embodiment, the isothermal circulating pump 22 is located upstream of the refrigeration device 23.
[0046] In the structure, the isothermal circulating pump 22 generates heat when it works, and the temperature accuracy of the cutting fluid downstream of the refrigeration device 23 can be better guaranteed.
[0047] In the embodiment, the wire cutting machine tool 10 includes a bed body 11, and the temperature measuring head (prior art, not shown in the figure) is located at the position with the maximum mass of the bed body 11.
[0048] In the structure, the temperature measuring head (prior art, not shown in the figure) for measuring the temperature of the bed body 11 is arranged at the position with the maximum mass of the bed body 11, and the temperature of this position is stable, which can effectively guarantee the accuracy of the measured temperature.
[0049] In the embodiment, the wire cutting machine tool 10 includes a bed body 11, and the bed body 11 is distributed with a plurality of temperature measuring heads (prior art, not shown in the figure).
[0050] In the structure, a plurality of temperature measuring heads (prior art, not shown in the figure) can be arranged on the bed body 11, and the average temperature of the temperature measuring heads (prior art, not shown in the figure) is taken as the temperature of the bed body 11, so as to guarantee the accuracy.
[0051] In the embodiment, the refrigeration device 23 includes a heat exchanger 235 and a refrigeration system 236. The heat exchanger 235 is connected in series with the cutting fluid circulating pipe 21 for the cutting fluid to flow through. The refrigeration system 236 includes a refrigerant pipeline 2361. The refrigerant circulates back to the heat dissipation row 2362 after passing through the heat dissipation row 2362, the dryer 2363, the expansion valve 2364, the heat absorption assembly 2365, and the compressor 2366. The heat absorption assembly 2365 exchanges heat with the heat exchanger 235.
[0052] In the structure, the heat exchange is realized by the compressor 2366.
[0053] In the embodiment, the compressor 2366 is electrically connected with the temperature control board (prior art, not shown in the figure).
[0054] In the above structure, when the cutting fluid temperature is higher than the temperature of the bed 11, the temperature control plate (prior art, not shown in the figure) controls the operation of the compressor 2366.
[0055] In the embodiment, the heat dissipation row 2362 is provided with a heat dissipation fan 234 connected with the temperature control plate (prior art, not shown in the figure).
[0056] In the above structure, the heat dissipation efficiency of the refrigeration system 236 is ensured.
[0057] The beneficial effects of the present application are as follows: the temperature of the bed 11 of the wire cutting machine tool 10 and the temperature of the cutting fluid are collected by the temperature measuring head (prior art, not shown in the figure), and the temperature difference between the two is compared; when the temperature of the cutting fluid is higher than the temperature of the bed 11, the temperature control plate (prior art, not shown in the figure) controls the operation of the isothermal circulating pump 22 and the refrigeration device 23, so that the temperature of the cutting fluid is reduced to be consistent with the temperature of the bed 11, thereby avoiding the fine deformation of the bed 11 caused by the temperature inconsistency of the bed 11 due to the temperature rise of the cutting fluid, and affecting the machining precision; the temperature measuring head (prior art, not shown in the figure) for measuring the temperature of the cutting fluid is located in the water tank (prior art, not shown in the figure).
[0058] The above is only the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled persons in the technical field, without departing from the technical principles of the present application, a number of improvements and modifications can be made, and these improvements and modifications of the above assumptions should also be regarded as the protection scope of the present application.
Claims
1. An adaptive isothermal wire EDM machine tool, comprising a wire EDM machine tool, characterized in that: It also includes an isothermal regulating device, which includes a cutting fluid circulation pipe. The inlet of the cutting fluid circulation pipe is connected to the water tank of the wire EDM machine, and the outlet of the cutting fluid circulation pipe is connected to the water tank. The cutting fluid circulation pipe is equipped with an isothermal circulation pump for delivering cutting fluid and a cooling device for reducing the temperature of the cutting fluid. The isothermal regulating device also includes a temperature control board for controlling the operation of the isothermal circulation pump and the cooling device, and a temperature measuring head located on the bed of the wire EDM machine for collecting the temperature of the cutting fluid and the bed of the machine. The temperature measuring head is electrically connected to the temperature control board.
2. The adaptive isothermal wire cutting machine tool according to claim 1, characterized in that: The isothermal circulating pump is located upstream of the refrigeration unit.
3. The adaptive isothermal wire cutting machine tool according to claim 1, characterized in that: The wire cutting machine tool includes a bed, and the temperature measuring head is located at the position where the bed mass is at its maximum.
4. The adaptive isothermal wire cutting machine tool according to claim 1, characterized in that: The wire cutting machine tool includes a bed, and multiple temperature measuring heads are distributed on the bed.
5. An adaptive isothermal wire cutting machine tool according to claim 1, 2, 3, or 4, characterized in that: The refrigeration device includes a cold-end heat exchanger, a hot-end heat exchanger, and a semiconductor refrigeration chip; the cold-end heat exchanger is connected in series with the cutting fluid circulation pipe to supply the cutting fluid; the cold side of the semiconductor refrigeration chip is in contact with the cold-end heat exchanger, the hot side of the semiconductor refrigeration chip is in contact with the hot-end heat exchanger, and the semiconductor refrigeration chip is electrically connected to the temperature control board.
6. The adaptive isothermal wire cutting machine tool according to claim 5, characterized in that: The heat exchanger at the hot end is a heat dissipation fin, and the heat dissipation fin is equipped with a cooling fan that is electrically connected to the temperature control board.
7. An adaptive isothermal wire cutting machine tool according to claim 1, 2, 3, or 4, characterized in that: The refrigeration device includes a heat exchanger and a refrigeration system. The heat exchanger is connected in series with the cutting fluid circulation pipe to supply the cutting fluid. The refrigeration system includes a refrigerant pipeline. The refrigerant circulates along the refrigerant pipeline through a heat sink, a dryer, an expansion valve, a heat absorption component, and a compressor before returning to the heat sink. The heat absorption component exchanges heat with the heat exchanger.
8. An adaptive isothermal wire cutting machine tool according to claim 7, characterized in that: The compressor is electrically connected to the temperature control board.
9. An adaptive isothermal wire cutting machine tool according to claim 7, characterized in that: The heat sink is equipped with a cooling fan that is electrically connected to the temperature control board.