阅读说明：本技术 节能断电自吸合磁吸工作台 (Energy-saving power-off self-closing magnetic suction workbench ) 是由 金焕澄 张春鹏 王耿燃 陈锋 李世源 顾静 石晓霓 于 2019-12-20 设计创作，主要内容包括：一种节能断电自吸合磁吸工作台,包括磁吸机构、控制机构,其磁吸机构的底座上均匀阵列设置有若干磁吸附柱,各磁吸附柱内均设置有磁吸附方向一致的强磁铁,以及绕制方式一致的电磁线圈；任一磁吸附柱内的强磁铁与电磁线圈均通过绝缘件相互绝缘分隔；各磁吸附柱外均设置有液冷管；控制机构控制各电磁线圈发出与强磁铁同/异向的磁吸附力,并且控制液冷机构经液冷管输送冷却液对各磁吸附柱进行降温。该设备吸附效果稳定,能够消除高温对强磁铁退磁的影响,并在断电后能够维持对工件的吸合作用。(An energy-saving power-off self-attraction magnetic suction workbench comprises a magnetic suction mechanism and a control mechanism, wherein a base of the magnetic suction mechanism is uniformly provided with a plurality of magnetic adsorption columns in an array manner, and strong magnets with consistent magnetic adsorption directions and electromagnetic coils with consistent winding manners are arranged in each magnetic adsorption column; the strong magnet and the electromagnetic coil in any magnetic adsorption column are insulated and separated from each other through an insulating part; liquid cooling pipes are arranged outside each magnetic adsorption column; the control mechanism controls each electromagnetic coil to send out magnetic adsorption force in the same direction or different directions with the strong magnet, and controls the liquid cooling mechanism to convey cooling liquid through the liquid cooling pipe to cool each magnetic adsorption column. The equipment has stable adsorption effect, can eliminate the influence of high temperature on the demagnetization of the strong magnet, and can maintain the attraction effect on the workpiece after power failure.)

1. An energy-saving power-off self-attraction magnetic suction workbench comprises a magnetic suction mechanism and a control mechanism, and is characterized in that a base of the magnetic suction mechanism is uniformly provided with a plurality of magnetic adsorption columns in an array manner, and strong magnets with consistent magnetic adsorption directions and electromagnetic coils with consistent winding manners are arranged in each magnetic adsorption column; the strong magnet and the electromagnetic coil in any magnetic adsorption column are insulated and separated from each other through an insulating part; liquid cooling pipes are arranged outside each magnetic adsorption column; the control mechanism controls each electromagnetic coil to send out magnetic adsorption force in the same direction or different directions with the strong magnet, and controls the liquid cooling mechanism to convey cooling liquid through the liquid cooling pipe to cool each magnetic adsorption column.

2. The power-saving power-off self-closing magnetic suction workbench according to claim 1, wherein the liquid cooling mechanism comprises a liquid storage tank, a liquid cooling pipe, a cooling liquid pump, a heat dissipation cold row and a heat dissipation fan, the control mechanism controls the cooling liquid pump to pump cooling liquid to the liquid cooling pipe in the magnetic suction mechanism, the cooling liquid in the heat dissipation cold row is cooled by the heat dissipation fan, heat is discharged out of the machine shell, and the cooling liquid is recycled to the liquid storage tank.

3. The power-saving self-closing magnetic suction workbench according to claim 2, wherein the heat dissipation fan comprises a cold discharge cooling fan and a suction fan, the control mechanism and the liquid cooling mechanism are arranged in the casing, the suction fan on the casing sucks air at normal temperature, and the cold discharge cooling fan discharges heat of heat dissipation cold discharge to the outside of the casing.

4. The power-saving self-closing magnetic attraction worktable as claimed in claim 1, wherein the control mechanism is provided with a temperature control device which starts the cooling liquid circulation of the liquid cooling mechanism after the temperature of the magnetic attraction mechanism exceeds a safe temperature set value and closes the cooling liquid circulation of the liquid cooling mechanism after the temperature of the magnetic attraction mechanism is recovered to a safe working temperature.

5. The energy-saving power-off self-closing magnetic suction workbench according to claim 4, wherein the temperature control device controls the cooling liquid pump and the heat dissipation fan to forcibly operate by monitoring the temperature of the magnetic suction mechanism to exceed a set temperature threshold, and automatically stops the cooling liquid pump and the heat dissipation fan when the temperature of the magnetic suction mechanism is lower than a set safety temperature value.

6. The energy-saving power-off self-closing magnetic suction workbench according to claim 1, wherein the control mechanism is further provided with an alternating current electric quantity detector which monitors the power utilization state of the whole machine in real time; the control mechanism is also provided with a circuit breaker.

7. The energy-saving power-off self-closing magnetic adsorption workbench according to claim 1, wherein at least two layers of liquid cooling pipes are wound outside any one magnetic adsorption column, and the liquid cooling pipes are wound outside the strong magnet and outside the electromagnetic coil.

8. The power-saving self-closing magnetic suction workbench according to any one of claims 1 to 7, wherein the magnetic suction column comprises a magnetic conductive shell with magnetic conductivity and a magnetic conductive column core, the insulating member comprises an insulating sleeve, the strong magnet is arranged at the bottom end of the magnetic conductive column core and conducts magnetism through the magnetic conductive column core, the insulating sleeve is arranged on the side wall of the magnetic conductive column core, the electromagnetic coil is arranged on the side wall of the insulating sleeve, the magnetic conductive shell surrounds the strong magnet, the magnetic conductive column core, the insulating sleeve and the electromagnetic coil, and the insulating sleeve and the magnetic conductive column core are exposed and seal the outer opening of the magnetic conductive shell.

9. The power-saving self-closing magnetic suction workbench according to claim 8, wherein the insulator further comprises an insulating wire sleeve, the two wire portions of the electromagnetic coil are respectively sleeved by the insulating wire sleeve, the side wall, the inner ring wall, the outer ring wall and the inner wall of the magnetic conductive shell of the insulating sleeve surround the coil portion of the electromagnetic coil, the two wire portions extend out of the magnetic conductive shell through the magnetic conductive column core and the strong magnet and are electrically connected with the base of the magnetic suction mechanism, and the outer ring wall and the magnetic conductive column core are coplanar and seal the opening out of the magnetic conductive shell.

10. An energy-saving power-off self-closing magnetic suction workbench according to any one of claim 9, wherein the magnetic suction mechanism is filled with electronic pouring sealant.

Technical Field

The invention relates to the field of magnetic suction fixed workbenches, in particular to an energy-saving power-off self-closing magnetic suction workbench.

Background

In the field of machining, a magnetic suction workbench is often used for sucking and fixing a workpiece, and compared with a mechanical clamping mode and a hydraulic clamping mode, the magnetic suction workbench can overcome the defect that the workpiece is clamped and damaged by a clamping surface.

The existing magnetic suction workbench is divided into a permanent magnet and electromagnetic magnetic suction mode, the permanent magnet magnetic suction workbench directly adsorbs a workpiece through a strong magnet, the adsorption stability of the permanent magnet magnetic suction workbench depends on the attraction force of the strong magnet, and the risk of high-temperature demagnetization exists; the electromagnetic attraction workbench is in a power-on and magnetism-generating mode, so that the phenomenon of high-temperature demagnetization of a strong magnet does not exist, and the problem of work power failure and magnetism loss exists.

Disclosure of Invention

The invention aims to provide an energy-saving power-off self-attracting magnetic suction workbench which is stable in adsorption effect, capable of eliminating the influence of high temperature on strong magnet demagnetization and capable of maintaining the attraction effect on a workpiece after power-off.

In order to achieve the purpose, the invention is implemented by adopting the following technical means:

an energy-saving power-off self-attraction magnetic suction workbench comprises a magnetic suction mechanism and a control mechanism, wherein a base of the magnetic suction mechanism is uniformly provided with a plurality of magnetic adsorption columns in an array manner, and strong magnets with consistent magnetic adsorption directions and electromagnetic coils with consistent winding manners are arranged in each magnetic adsorption column; the strong magnet and the electromagnetic coil in any magnetic adsorption column are insulated and separated from each other through an insulating part; liquid cooling pipes are arranged outside each magnetic adsorption column; the control mechanism controls each electromagnetic coil to send out magnetic adsorption force in the same direction or different directions with the strong magnet, and controls the liquid cooling mechanism to convey cooling liquid through the liquid cooling pipe to cool each magnetic adsorption column.

Further, liquid cooling mechanism include liquid reserve tank, liquid cooling pipe, coolant pump, the cold row of heat dissipation, radiator fan, behind the liquid cooling pipe in control mechanism control coolant pump sent coolant pump to magnetism mechanism, discharge heat outside the casing after radiator fan cooled down the interior coolant liquid of the cold row of heat dissipation, the circulation is retrieved coolant liquid to liquid reserve tank.

Furthermore, the cooling fan comprises a cold-exhaust cooling fan and an air suction fan, the control mechanism and the liquid cooling mechanism are arranged in the casing, the air suction fan on the casing sucks air at normal temperature, and the cold-exhaust cooling fan exhausts heat of heat dissipation to the outside of the casing. Preferably, the heat dissipation cold row can be arranged at the bottom of the machine shell, the cold row cooling fan is arranged above the heat dissipation cold row and outputs airflow to the control mechanism and the cooling liquid pump at the upper end of the cold row cooling fan, and the air suction fan is arranged at the upper edge of the rear end of the machine shell; the air exhaust outlet is arranged below the heat dissipation cold exhaust at the bottom of the shell, and air flow supplement inlets can be additionally arranged at two sides of the shell. The air current that this preferred scheme can be with the suction fan suction carries out whole cooling to the control mechanism that generates heat, coolant pump to the hot gas that produces cold-row cooling fan flows through the export of airing exhaust and discharges together, and the air current discharge passageway that forms can fully carry out abundant heat dissipation to the source that generates heat in the casing.

Furthermore, the control mechanism is provided with a temperature control device, the temperature control device monitors the temperature of the magnetic attraction mechanism, starts the circulation of the cooling liquid of the liquid cooling mechanism after the temperature of the magnetic attraction mechanism exceeds a safe temperature set value, and closes the circulation of the cooling liquid of the liquid cooling mechanism after the temperature of the magnetic attraction mechanism is recovered to a safe working temperature.

Furthermore, when the temperature of the temperature control device is monitored to be higher than a set temperature threshold value, the control mechanism controls the cooling liquid pump and the cooling fan to forcibly work until the temperature of the magnetic attraction mechanism is lower than a safe temperature set value, and then the cooling liquid pump and the cooling fan are automatically stopped.

The control mechanism is also provided with an alternating current electric quantity detector which monitors the power utilization state of the whole machine in real time, and preferably, the control mechanism is additionally provided with a circuit breaker, so that overload protection is triggered to avoid equipment damage when the equipment is in power leakage and short circuit.

Furthermore, at least two layers of liquid cooling pipes are wound outside any magnetic adsorption column, and the liquid cooling pipes are wound outside the strong magnet and the electromagnetic coil.

Further, magnetism adsorb post including magnetic conduction casing and the magnetic conduction post core that has magnetic conductivity, the insulator including insulating cover, the strong magnet set up in magnetic conduction post core bottom and through magnetic conduction post core magnetic conduction, the magnetic conduction post core lateral wall is located to insulating cover, the insulating cover lateral wall is located to the solenoid cover, the magnetic conduction casing encloses and closes strong magnet, magnetic conduction post core, insulating cover, solenoid to make insulating cover and magnetic conduction post core expose and the involution magnetic conduction casing external opening.

Furthermore, the insulating part also comprises an insulating wire sleeve, two lead parts of the electromagnetic coil are respectively sleeved by the insulating wire sleeve, the side wall, the inner ring wall, the outer ring wall and the inner wall of the magnetic conduction shell of the insulating sleeve enclose the coil part of the electromagnetic coil, the two lead parts extend out of the magnetic conduction shell through the magnetic conduction column core and the strong magnet and are electrically connected with the base of the magnetic attraction mechanism, and the outer ring wall and the magnetic conduction column core are arranged in a coplanar manner and seal the outer opening of the magnetic conduction shell.

Furthermore, electronic pouring sealant is poured into the magnetic attraction mechanism.

The invention has the following advantages:

1. the workpiece is adsorbed by adopting the indirect magnetic conduction mode of the strong magnet, the demagnetization influence of the cutting heat of the workpiece on the strong magnet is avoided, and the stable adsorption state of the workpiece can be maintained under the self-attraction action of the strong magnet when the power is off automatically or accidentally; then the electromagnetic coil generates magnetism, and the effect of enhancing the attraction force of the strong magnet magnetic field or releasing the magnetic attraction of the strong magnet magnetic field is achieved by adjusting the current direction when the power is on;

2. after the traditional permanent magnet magnetic attraction workbench is electrified for a long time, the resistance is increased due to the rise of temperature, the power of the electromagnetic coil is reduced, and the magnetic attraction force is reduced; the position of the liquid cooling pipe is reasonably arranged, so that the influence of high temperature on a strong magnet and an electromagnetic coil of the magnetic adsorption column can be more directly reduced, the effects of temperature control and constant temperature can be better achieved, and the working time of the magnetic adsorption mechanism is effectively prolonged; the magnetic attraction device can realize a high-temperature alarm mode, a low-temperature alarm mode, a temperature correction mode and other modes by matching with the temperature protection effect of the temperature control device on the magnetic attraction mechanism so as to meet the safety maintenance requirements of various occasions, and has the advantages of strong applicability and wide application area;

3. the protection device is provided with leakage protection, overcurrent protection, overload protection, short circuit protection, temperature protection and workbench power-off protection, ensures the power utilization safety in the operation process of the equipment, and avoids the risk of accidental damage to workpieces, equipment and personnel caused by the falling of metal workpieces and the flying off of magnetic attraction mechanisms due to the sudden power failure of a power grid.

Drawings

FIG. 1 is a schematic view of the magnetic adsorption column of the present invention in an exploded state;

fig. 2 is a schematic view of the exploded state of the present invention.

Detailed Description

The invention is further illustrated by the following specific examples.