阅读说明：本技术 锻造机械压力机温控精度提升装置 (Temperature control precision lifting device of forging mechanical press ) 是由 邱玉良 岳振明 王鹏波 彭鑫亮 郝玉琴 王凯 于 2019-09-05 设计创作，主要内容包括：锻造机械压力机温控精度提升装置,包括曲轴轴瓦及偏心体瓦控温装置,还包括：滑块导轨控温装置,所述滑块导轨控温装置包括设在滑块前左、前右、后左、后右四侧的温控通道,所述温控通道设在滑块内安装导轨板处,每个温控通道分别设有进气口和出气口；球头控温装置,所述球头控温装置包括设在球头座内的耐磨铜垫,球头螺杆在耐磨铜垫内相对运动,耐磨铜垫通过螺钉与球头座相连且耐磨铜垫与球头座之间设有密封圈,所述球头座内与耐磨铜垫贴合面设有螺旋状温控通道。使导轨板温度控制在稳定水平,不会因发热温升导致导轨板膨胀,使滑块导轨精度保持稳定,保证球头螺杆与球头座精度稳定,提高了锻造机械压力机整体精度、生产效率和加工产品质量。(Temperature control precision hoisting device of forging mechanical press includes bent axle bush and eccentric body bush temperature regulating device, still includes: the temperature control device for the slide block guide rail comprises temperature control channels arranged on the front left side, the front right side, the rear left side and the rear right side of the slide block, the temperature control channels are arranged at the positions where the guide rail plates are arranged in the slide block, and each temperature control channel is respectively provided with an air inlet and an air outlet; the bulb temperature control device comprises a wear-resistant copper pad arranged in a bulb seat, a bulb screw rod moves relatively in the wear-resistant copper pad, the wear-resistant copper pad is connected with the bulb seat through a screw and a sealing ring is arranged between the wear-resistant copper pad and the bulb seat, and a spiral temperature control channel is arranged in the bulb seat and on the binding surface of the wear-resistant copper pad. The temperature of the guide rail plate is controlled to be at a stable level, the guide rail plate cannot expand due to heating and temperature rise, the precision of the slide block guide rail is kept stable, the precision of the ball head screw and the precision of the ball head seat are stable, and the overall precision, the production efficiency and the quality of processed products of the forging mechanical press are improved.)

1. temperature control precision hoisting device of forging mechanical press, including bent axle bush and eccentric body tile temperature regulating device, its characterized in that: further comprising:

The temperature control device comprises temperature control channels arranged on the front left side, the front right side, the rear left side and the rear right side of the slide block, the temperature control channels are arranged at the positions where the guide rail plates are arranged in the slide block, each temperature control channel is respectively provided with an air inlet and an air outlet, the air inlet of each temperature control channel is respectively connected with a cold air system through a pipeline, and each temperature control channel is respectively connected with a temperature sensor;

Bulb temperature regulating device, bulb temperature regulating device is including establishing the wear-resisting copper pad in the bulb seat, and the relative motion of bulb screw rod is in wear-resisting copper pad, and wear-resisting copper pad passes through the screw and links to each other and wear-resisting copper pad and is equipped with the sealing washer between the bulb seat with the bulb seat, be equipped with heliciform temperature control channel with wear-resisting copper pad binding face in the bulb seat, heliciform temperature control channel is equipped with inlet port and venthole, and the inlet port of heliciform temperature control channel passes through the pipeline and links to each other with cold air system, and heliciform temperature control channel connects temperature.

2. The temperature control precision lifting device of the forging mechanical press as recited in claim 1, wherein: the air inlet and the air outlet are both arranged at the top of the sliding block, the temperature control channel bends downwards from the air inlet and extends to the bottom of the sliding block, and bends to extend to the air outlet after being turned back.

3. The temperature control precision lifting device of the forging mechanical press as recited in claim 1, wherein: the cold air system comprises an air cooling machine arranged at the top of the machine body, and the air cooling machine is connected with each temperature control channel through an air filter and an electromagnetic valve respectively through pipelines.

4. The temperature control precision lifting device of the forging mechanical press as recited in claim 3, wherein: the pipeline comprises an air inlet pipe and a high-pressure hose which are connected through a switching block.

5. The temperature control precision lifting device of the forging mechanical press as recited in claim 3, wherein: the air cooling machine is a variable frequency servo type air cooling machine, and the variable frequency servo type air cooling machine, each electromagnetic valve and each temperature sensor are connected with the PLC control system.

6. The temperature control precision lifting device of the forging mechanical press as recited in claim 1, wherein: and a lubricating oil groove is formed in the upper surface of the wear-resistant copper pad.

The technical field is as follows:

The invention relates to a temperature control precision lifting device of a forging mechanical 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.

As is well known, as shown in fig. 1-2, a forging press machine can be structurally divided into several parts, including a machine body 1, a crankshaft and a bearing bush 2, a ball head screw 3, a ball head seat 4, a transmission, a clutch, a guide rail plate 5, a slide block 6, a guide rail 7, a gas path, lubrication and the like, wherein the machine body, the transmission and the slide block play a decisive role in the forging accuracy of a machine tool.

The main body of the forging press is the main body of the forging press, the importance of the main body is needless to say, the rotary motion of the transmission mechanism and the up-and-down reciprocating motion of the slide block are completed by depending on the main body, and the accuracy between the contact part (bearing bush) of the main body and the transmission mechanism and the contact part (guide rail) of the main body and the slide block directly influences the forging accuracy of the whole machine tool. The transmission mechanism of the forging mechanical press is generally a crankshaft or an eccentric shaft transmission, and a sliding friction pair is formed by relative rotation of shaft parts in a bearing bush. The machine body 1 is provided with a guide rail 7, the slide block 6 is provided with a guide rail plate 5, the guide rail plate 5 slides on the guide rail 7 in a reciprocating manner along with the slide block 6, the slide block 6 is provided with a lubricating oil hole for lubricating the guide rail plate 5, and the slide block 6 reciprocates in the machine body and slides relative to the guide rail 7 of the machine body to form a sliding friction pair; the sliding block ball head screw 3 relatively rotates in the ball head seat 4 to form a sliding friction pair.

the sliding friction pairs at the positions can generate a large amount of heat when a mechanical press for forging and an automatic production line forge and stretch workpieces, so that the temperature rise of a bearing bush or a guide rail and the like caused by heating can generate expansion, the gaps among the sliding friction pairs are reduced, the restriction precision is improved, the integral forging precision of the mechanical press for forging can be changed, and the quality of forged products is greatly influenced; the reduction of the clearance can even cause the shaft and the bearing bush to be sintered and locked or the guide rail to be abraded, so that the press machine is seriously damaged, and the machine has to be stopped for maintenance to influence the production.

with the continuous development of the technology, some problems are solved, such as the precision problem between shafts and bearing bushes, and the company has applied for the following invention patents to solve the temperature rise problem: the patent is named as an automatic control device for temperature rise of a crankshaft and a bearing bush of a mechanical press, and the patent number is ZL 201710534546.9; secondly, the patent name is an intelligent temperature control device for eccentric body tiles of a mechanical press, and the patent number is ZL 201910185769.8; the concrete solution is shown in the detailed content of the invention patent. Other problems, such as the accuracy between the body guide and the slider, the accuracy between the slider ball screw and the ball socket, etc., are analyzed and solved in the present application.

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 forging mechanical press, solves the problems that the clearance is reduced and the precision of the press is improved due to the temperature rise between the slide block and the guide rail of the forging mechanical press, solves the problems that the clearance is reduced and the precision of the press is improved due to the temperature rise between the ball head screw and the ball head seat, and improves the overall precision and the product quality of the forging mechanical press.

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

temperature control precision hoisting device of forging mechanical press includes bent axle bush and eccentric body bush temperature regulating device, still includes:

The temperature control device for the slide block guide rail comprises temperature control channels arranged on the front left side, the front right side, the rear left side and the rear right side of the slide block, the temperature control channels are arranged at the positions where the guide rail plates are arranged in the slide block, each temperature control channel is respectively provided with an air inlet and an air outlet, the air inlet of each temperature control channel is respectively connected with a cold air system through a pipeline, and each temperature control channel is respectively connected with a temperature sensor;

Bulb temperature regulating device, bulb temperature regulating device is including establishing the wear-resisting copper pad in the bulb seat, and the relative motion of bulb screw rod is in wear-resisting copper pad, and wear-resisting copper pad passes through the screw and links to each other and be equipped with the sealing washer between wear-resisting copper pad and the bulb seat with wear-resisting copper pad binding face, be equipped with heliciform temperature control channel in the bulb seat, heliciform temperature control channel is equipped with inlet port and venthole, and the inlet port of heliciform temperature control channel passes through the pipeline and links to each other with air conditioning system, and heliciform temperature control channel connects temperature sensor.

the air inlet and the air outlet are both arranged at the top of the sliding block, the temperature control channel bends downwards from the air inlet and extends to the bottom of the sliding block, and bends to extend to the air outlet after being turned back.

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 each temperature control channel through an air filter and an electromagnetic valve respectively through pipelines.

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

And a lubricating oil groove is formed in the upper surface of the wear-resistant copper pad.

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

The temperature is detected by each temperature sensor, each electromagnetic valve is controlled by a PLC control system to accurately control each temperature control channel, each temperature control channel can be ensured to independently operate, and the PLC control system is combined with a variable-frequency servo air cooling machine to be used for conveying cold air to cool the guide rail plate through the air cooling machine, so that the temperature of the guide rail plate is controlled at a stable level, the guide rail plate cannot expand due to heating and temperature rise, and the precision of the slide block guide rail is kept stable; the wear-resistant copper pad is additionally arranged between the slider ball screw and the ball seat, and the wear-resistant copper pad is used for conveying cold air for cooling, so that the stability of the precision of the ball screw and the ball seat is ensured, the overall precision, the production efficiency and the quality of processed products of a forging mechanical press are improved, the failure rate is reduced, and the service life is prolonged.

Description of the drawings:

FIG. 1 is a schematic diagram of the internal structure of a forging press according to the prior art.

Fig. 2 is a schematic top view of the structure of fig. 1.

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

Fig. 4 is a schematic sectional structure view of a-a in fig. 3.

fig. 5 is a schematic top view of fig. 3.

fig. 6 is an enlarged schematic view of the X-part in fig. 5.

Fig. 7 is an enlarged view of the Y-portion of fig. 4.

FIG. 8 is a schematic view of a temperature controlled channel structure of a slider according to the present invention.

Fig. 9 is a schematic cross-sectional view of the ball cup according to the present invention.

FIG. 10 is a schematic top view of the spiral temperature-controlled channel of the ball cup according to the present invention.

fig. 11 is a schematic cross-sectional structural view of the wear-resistant copper pad of the present invention.

fig. 12 is a schematic top view of the wear-resistant copper pad of the present invention.

In the figure, the device comprises a machine body 1, a machine body 2, a crankshaft and a bearing bush 3, a ball head screw rod 4, a ball head seat 5, a guide rail plate 6, a sliding block 7, a guide rail 8, a temperature control channel 9, an air inlet 10, an air outlet 11, a temperature sensor 12, a wear-resistant copper pad 13, a sealing ring 14, a spiral temperature control channel 15, an air inlet hole 16, an air outlet hole 17, an air cooling machine 18, an air filter 19, an electromagnetic valve 20, a switching block 21, an air inlet pipe 22, a high-pressure hose 23 and a lubricating oil groove.

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. 3-12, the temperature control precision lifting device of the press of the forging machine comprises a crankshaft bush and an eccentric body bush temperature control device, and further comprises:

The temperature control device for the slide block guide rail comprises temperature control channels 8 arranged on the front left side, the front right side, the rear left side and the rear right side of a slide block 6, the temperature control channels 8 are arranged in the slide block 6 at the position where a guide rail plate 5 is arranged, each temperature control channel 8 is respectively provided with an air inlet 9 and an air outlet 10, the air inlet 9 of each temperature control channel 8 is respectively connected with a cold air system through a pipeline, and each temperature control channel 8 is respectively connected with a temperature sensor 11;

Bulb temperature regulating device, bulb temperature regulating device is including establishing wear-resisting copper pad 12 in bulb seat 4, and ball screw 3 is the relative motion in wear-resisting copper pad 12, and wear-resisting copper pad 12 links to each other and is equipped with sealing washer 13 between wear-resisting copper pad 12 and the bulb seat 4 through screw and bulb seat 4, be equipped with heliciform temperature control channel 14 with wear-resisting copper pad 12 binding face in the bulb seat 4, heliciform temperature control channel 14 is equipped with inlet port 15 and venthole 16, and inlet port 15 of heliciform temperature control channel 14 passes through the pipeline and links to each other with air conditioning system, and temperature sensor 11 is connected to heliciform temperature control channel 14.

Air inlet 9 and gas outlet 10 all establish at slider 6 top, control by temperature change passageway 8 from air inlet 9 downwarping extension to the slider bottom, the reflexion back is the bending again and extends to gas outlet 10, can prolong the distance of air conditioning in control by temperature change passageway 8, reinforcing refrigeration effect.

The air cooling system comprises an air cooling machine 17 arranged at the top of the machine body 1, and the air cooling machine 17 is respectively connected with each temperature control channel 8 through a pipeline by an air filter 18 and an electromagnetic valve 19.

The piping comprises an inlet pipe 21 and a high pressure hose 22 connected by a junction block 20.

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

The upper surface of the wear-resistant copper pad 12 is provided with a lubricating oil groove 23, and lubricating oil in the lubricating oil groove 23 can lubricate the space between the wear-resistant copper pad 12 and the ball head screw 3.

The working principle of the temperature control device for the slide block guide rail is as follows:

The air cooling machine 17 generates cold air which is controlled by an electromagnetic valve 19 through an air filter 18 and divided into four channels, namely a front channel, a rear channel, a left channel, a right channel, a front channel, a rear channel, a left channel and a right channel, and the cold air is respectively led to the four sides of the front left channel, the front right channel, the rear left channel and the rear right channel of the slide block 6, each channel is respectively connected to the temperature control channel 8 corresponding to the slide block 6 to cool; each temperature control channel 8 on the slide block 6 is provided with a temperature sensor 11 for monitoring the temperature change of the corresponding guide rail plate 5 at any time, once the temperature rise of a certain guide rail plate 5 is monitored to exceed 15 ℃ or the temperature rises to 50 ℃, the temperature sensor 11 feeds back a signal to the PLC control system, the PLC control system sends a signal to control the opening of the channel corresponding to the electromagnetic valve 19, cold air enters the temperature control channel 8 from the air inlet 9 and is discharged from the air outlet 10, the PLC control system is controlled to continuously convey the cold air to the corresponding guide rail plate 5 for cooling, the lubrication on the guide rail plate 5 can be simultaneously increased if necessary, the PLC control system sends a signal to control the air cooling machine 17 and the corresponding control channel of the electromagnetic valve 19 to stop working when the temperature of the guide rail plate 5 drops by 15 ℃, so that the temperature rise of the guide rail plate 5 is controlled to be 15 ℃ or the highest temperature is kept below 50 ℃, the expansion caused by the heating temperature, ensuring that the precision of the device is not changed.

The working principle of the ball head temperature control device is as follows:

When the temperature sensor 11 monitors that the temperature of the wear-resistant copper pad 12 rises to 70 ℃, the temperature sensor 11 feeds a signal back to the PLC control system, the PLC control system sends a signal to control a channel corresponding to the electromagnetic valve 19 to be opened, cold air enters the spiral temperature control channel 14 from the air inlet 15 and is discharged from the air outlet 16, the air cooling machine 17 is controlled to continuously convey the cold air to the wear-resistant copper pad 12 for cooling, when the temperature of the wear-resistant copper pad 12 falls to 30 ℃, the PLC control system sends a signal to control the air cooling machine 17 and the corresponding control channel of the electromagnetic valve 19 to stop working, so that the temperature of the wear-resistant copper pad 12 is kept between 30 ℃ and 70 ℃, the gap between the ball head screw 3 and the ball head seat 4 is kept in a controllable range.

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.