阅读说明：本技术 热模锻压力机温控精度提升装置 (Temperature control precision lifting device of hot die forging press ) 是由 王鹏波 邱玉良 岳振明 李立丰 刘文明 于 2019-09-05 设计创作，主要内容包括：热模锻压力机温控精度提升装置,包括：工作台板控温装置,所述工作台板控温装置包括设在工作台板底部与机身接触面上的第一温控通道,所述第一温控通道设有进气口和出气口,第一温控通道的进气口通过管路与冷气系统相连,工作台板上的测温孔内设有温度传感器；滑块控温装置,所述滑块控温装置包括设在滑块内部及滑块前后的滑块导流板接触面的第二温控通道,所述第二温控通道设有进气孔和出气孔。使滑块及工作台板温度控制在稳定水平,不会因发热温升导致变形；同时阻断了高温锻造零件热量继续传导,避免其他运动部件因热传导导致精度发生变化,达到提高了热模锻压力机整体精度、生产效率和加工产品质量。(Temperature control precision hoisting device of hot die forging press includes: the temperature control device of the working table plate comprises a first temperature control channel arranged on the contact surface of the bottom of the working table plate and the machine body, the first temperature control channel is provided with an air inlet and an air outlet, the air inlet of the first temperature control channel is connected with a cold air system through a pipeline, and a temperature sensor is arranged in a temperature measuring hole on the working table plate; the slider temperature control device comprises a second temperature control channel arranged in the slider and on the contact surface of the slider guide plate in front of and behind the slider, and the second temperature control channel is provided with an air inlet and an air outlet. The temperature of the slide block and the working table plate is controlled to be stable, and deformation caused by heating and temperature rise can be avoided; meanwhile, the heat continuous conduction of high-temperature forging parts is blocked, the precision change of other moving parts due to heat conduction is avoided, and the overall precision, the production efficiency and the quality of processed products of the hot die forging press are improved.)

1. temperature control precision hoisting device of hot die forging press, its characterized in that: the method comprises the following steps:

The temperature control device of the working table plate comprises a first temperature control channel arranged on the contact surface of the bottom of the working table plate and the machine body, the first temperature control channel is provided with an air inlet and an air outlet, the air inlet of the first temperature control channel is connected with a cold air system through a pipeline, and a temperature sensor is arranged in a temperature measuring hole on the working table plate;

The slider temperature control device comprises a second temperature control channel arranged in the slider and on the contact surface of the slider guide plate in front of and behind the slider, the second temperature control channel is provided with an air inlet and an air outlet, the air inlet of the second temperature control channel is connected with an air conditioning system through a pipeline, and temperature sensors are arranged in temperature measuring holes in the slider and the slider guide plate.

2. The temperature control accuracy improving device of the hot die forging press according to claim 1, wherein: the air cooling system comprises an air cooling machine arranged at the top of the machine body, and the air cooling machine is connected with the first temperature control channel and the second temperature control channel through pipelines respectively through an air filter and an electromagnetic valve.

3. The temperature control accuracy improving device of the hot die forging press according to claim 2, characterized in that: the pipeline comprises an air inlet pipe and a high-pressure hose which are connected through a switching block.

4. The temperature control accuracy improving device of the hot die forging press according to claim 2, characterized in that: the air cooling machine is a variable frequency servo type air cooling machine, the electromagnetic valve and the temperature sensors are connected with the PLC control system.

the technical field is as follows:

The invention relates to a temperature control precision lifting device of a hot die forging press.

Background art:

With the rapid development of important engineering projects in national economic key industries such as automobiles, high-speed rails, military industry, machinery, household appliances and the like in China, the demand and the yield of precision forging parts are increased increasingly along with the improvement of the quality of forging materials and dies in the current forging industry market, the unprecedented development opportunity of forging mechanical equipment is brought, and meanwhile, the precision requirement of a forging mechanical press is higher and higher.

Because the metal has better forgeability and plasticity under the high-temperature condition than under the low-temperature condition, a hot die forging press and an automatic production line are mainly applied to the current forging market, as shown in fig. 1-2, the hot die forging press comprises a slide block 1, an upper die 2, a machine body 3, a lower die 4 and a working bedplate 5, and the heat of the forged parts of the hot die forging press under the high-temperature condition is also transmitted to each part link through the upper die 2 and the lower die 4, so that the parts at each part are heated and expanded to cause the reduction of fit clearance and further influence the improvement of the precision of the whole machine; the heat conduction also causes thermal deformation of the slide block 1, the table plate 5 and other working components, and affects the forging precision of the hot die forging press and the service life of the machine tool.

how to control the heat in a certain range, make it can not continuously conduct among other moving parts, become the key that restricts hot die forging press precision and promote, be the problem that hot die forging press and automation line precision promote to await the solution urgently.

The invention content is as follows:

In order to make up for the defects of the prior art, the invention provides the temperature control precision lifting device of the hot die forging press, solves the problem that the heat conduction of high-temperature forging parts of the hot die forging press influences the precision of the whole machine, solves the problem that a slide block and a working table plate of the hot die forging press deform under the action of heat, and improves the movement speed, precision, production efficiency and quality of processed products of the hot die forging mechanical press and an automatic production line.

The technical scheme adopted by the invention for solving the technical problems is as follows:

Temperature control precision hoisting device of hot die forging press includes:

The temperature control device of the working table plate comprises a first temperature control channel arranged on the contact surface of the bottom of the working table plate and the machine body, the first temperature control channel is provided with an air inlet and an air outlet, the air inlet of the first temperature control channel is connected with a cold air system through a pipeline, and a temperature sensor is arranged in a temperature measuring hole on the working table plate;

The slider temperature control device comprises a second temperature control channel arranged in the slider and on the contact surface of the slider guide plate in front of and behind the slider, the second temperature control channel is provided with an air inlet and an air outlet, the air inlet of the second temperature control channel is connected with an air conditioning system through a pipeline, and temperature sensors are arranged in temperature measuring holes in the slider and the slider guide plate.

the air cooling system comprises an air cooling machine arranged at the top of the machine body, and the air cooling machine is connected with the first temperature control channel and the second temperature control channel through pipelines respectively through an air filter and an electromagnetic valve.

The pipeline comprises an air inlet pipe and a high-pressure hose which are connected through a switching block.

The air cooling machine is a variable frequency servo type air cooling machine, the electromagnetic valve and the temperature sensors are connected with the PLC control system.

By adopting the scheme, the invention has the following advantages:

The temperature sensors detect the temperature, the PLC control system controls the electromagnetic valves to accurately control each temperature control channel, each temperature control channel can be ensured to independently operate, the PLC control system is combined with the variable-frequency servo air cooling machine to use, and cold air is conveyed by the air cooling machine to cool the sliding block and the working table plate, so that the temperature of the sliding block and the working table plate is controlled at a stable level, and deformation caused by heating temperature rise is avoided; meanwhile, the heat continuous conduction of high-temperature forging parts is blocked, the precision change of other moving parts due to heat conduction is avoided, the overall precision, the production efficiency and the quality of processed products of the hot die forging press are improved, the failure rate is reduced, and the service life is prolonged.

Description of the drawings:

Fig. 1 is a schematic view showing a structure of a hot stamp forging press in the prior art.

Fig. 2 is a schematic sectional view taken along the line a-a in fig. 1.

Fig. 3 is a schematic structural diagram of the present invention.

Fig. 4 is a schematic sectional view along the line a-a in fig. 3.

Fig. 5 is a schematic sectional view of the slider in fig. 4 along the direction B-B.

fig. 6 is a schematic top view of the structure of fig. 5.

Fig. 7 is a schematic view of the H-direction structure of the work table of fig. 3.

Fig. 8 is a schematic top view of the structure of fig. 7.

In the figure, 1, a slide block, 2, an upper die, 3, a machine body, 4, a lower die, 5, a working table plate, 6, a first temperature control channel, 7, an air inlet, 8, an air outlet, 9, a temperature measuring hole, 10, a temperature sensor, 11, a slide block guide plate, 12, a second temperature control channel, 13, an air inlet hole, 14, an air outlet hole, 15, an air cooling machine, 16, an air filter, 17, an electromagnetic valve, 18, a switching block, 19, an air inlet pipe, 20 and a high-pressure hose.

The specific implementation mode is as follows:

In order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings.

as shown in fig. 3 to 8, the temperature control precision lifting device of the hot die forging press comprises:

the temperature control device of the working table plate comprises a first temperature control channel 6 arranged on the contact surface of the bottom of the working table plate 5 and the machine body 3, the first temperature control channel 6 is provided with an air inlet 7 and an air outlet 8, the air inlet 7 of the first temperature control channel 6 is connected with a cold air system through a pipeline, and a temperature sensor 10 is arranged in a temperature measuring hole 9 on the working table plate 5;

the temperature control device for the sliding block comprises a second temperature control channel 12 arranged inside the sliding block 1 and on the contact surface of a sliding block guide plate 11 in front of and behind the sliding block 1, the second temperature control channel 12 is provided with an air inlet 13 and an air outlet 14, the air inlet 13 of the second temperature control channel 12 is connected with an air conditioning system through a pipeline, and temperature sensors 10 are arranged in temperature measuring holes 9 on the sliding block 1 and the sliding block guide plate 11.

the air cooling system comprises an air cooling machine 15 arranged at the top of the machine body 3, and the air cooling machine 15 is respectively connected with the first temperature control channel 6 and the second temperature control channel 12 through pipelines by an air filter 16 and an electromagnetic valve 17.

The lines include an inlet pipe 19 and a high pressure hose 20 connected by a junction block 18.

the air cooling machine 15 is a variable frequency servo type air cooling machine, and the variable frequency servo type air cooling machine, the electromagnetic valve 17 and each temperature sensor 10 are connected with the PLC control system.

The working principle of the slide block temperature control device and the working bedplate temperature control device is as follows:

the cold air generated by the air cooling machine 15 is divided into an upper channel and a lower channel through an air filter 16 and an electromagnetic valve 17, the upper channel and the lower channel are respectively communicated with the first temperature control channel 6 of the working table plate 5 and the second temperature control channel 12 of the slide block 1 and the slide block guide plate 11 for cooling, and the electromagnetic valve 17 can ensure that each temperature control channel operates independently; the temperature sensors 10 are respectively arranged on the slide block guide plate 11 and the work table plate 5, the temperature change of the components is monitored at any time, once the temperature of the slide block 1 or the work table plate 5 is monitored to be increased to 80 ℃, the temperature sensors 10 can feed back signals to the PLC control system, the PLC control system sends signals to control the corresponding electromagnetic valves 17 to be opened, the air cooling machine 15 is controlled to continuously convey cold air to the corresponding components for cooling, the work is stopped when the temperature of the components is reduced to 40 ℃, the temperature of the slide block or the work table plate is kept stable, deformation caused by heating and temperature rise is avoided, meanwhile, heat continuous conduction is blocked, and the integral precision of the machine body is guaranteed not to be changed due to heat conduction of high-temperature.

the above-described embodiments should not be construed as limiting the scope of the invention, and any alternative modifications or alterations to the embodiments of the present invention will be apparent to those skilled in the art.

the present invention is not described in detail, but is known to those skilled in the art.