CN212664799U - Ejection fixed-length electric servo adjusting device - Google Patents
Ejection fixed-length electric servo adjusting device Download PDFInfo
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- CN212664799U CN212664799U CN202021855673.2U CN202021855673U CN212664799U CN 212664799 U CN212664799 U CN 212664799U CN 202021855673 U CN202021855673 U CN 202021855673U CN 212664799 U CN212664799 U CN 212664799U
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Abstract
The utility model discloses an liftout fixed length electric servo adjusting device, liftout fixed length electric servo adjusting device includes: the main material ejecting system comprises a power device, an ejecting cylinder, a bottom plate and an ejector rod; the power device is in transmission connection with the material ejecting cylinder; the ejector rod comprises a large-diameter section and a small-diameter section, and the small-diameter section penetrates through the hollow piston rod from top to bottom so that the large-diameter section is supported at the upper end of the hollow piston rod; the stroke adjusting system comprises a top plate, a cover plate, a servo motor, a speed reducer, a first connecting shaft and a hollow adjusting screw rod; the top plate is arranged on the hollow adjusting screw rod and is abutted with the lower end of the small-diameter section; the hollow adjusting screw is in threaded connection with the cover plate; the upper end of the first connecting shaft is in spline fit with the hollow adjusting screw; the lower end of the first connecting shaft is connected with a speed reducer, and the speed reducer is in transmission connection with a servo motor; the servo control system is connected with the servo motor to adjust the adjusting distance of the top plate lifting ejector rod according to the processing requirement. The utility model discloses the stepless adjustment of liftout stroke is realized to swift, high accuracy.
Description
Technical Field
The utility model belongs to the technical field of forging press liftout device, more specifically relates to an liftout fixed length electric servo adjusting device.
Background
In the forging process, after the material is subjected to die forging forming by a forging press, a workpiece needs to be stripped and ejected from a die cavity of a die through an ejection device, and the workpiece is generally ejected by a hydraulic cylinder or a pneumatic cylinder at present. Conventional liftout device is in case confirmed, and the adjustment of liftout stroke is very troublesome, or through changing different length ejector pins, or bore into the pit and adjust the nut on the outer regulation pole of liftout jar, adjusts the liftout stroke and also hardly once targets in place, and is time-consuming, hard, and can cause a lot of wastes products. However, for the production of precise forgings, the precise control of the ejection stroke is particularly important for the whole forging production process, the variation of the dimensional tolerance of the product needs to be closely monitored to finely adjust the ejection stroke in time, so that the consistency and the high quality of the product can be well ensured. Therefore, those skilled in the art are urgently required to develop a material ejecting device capable of rapidly and accurately realizing stepless adjustment of an ejecting stroke.
Disclosure of Invention
To the above defect of prior art or improve the demand, the utility model provides an electronic servo adjusting device of liftout fixed length to swift, the high accuracy realizes the infinitely variable control of liftout stroke.
The utility model provides an ejection fixed length electric servo adjusting device, include:
the system comprises a main material ejection system, a stroke adjusting system and a servo control system;
the main material ejecting system comprises a power device, an ejecting cylinder, a bottom plate and an ejector rod; the power device is in transmission connection with the material ejection cylinder, so that a hollow piston rod of the material ejection cylinder can do reciprocating motion along the material ejection direction; the ejector rod comprises a large-diameter section and a small-diameter section, and the small-diameter section penetrates through the hollow piston rod from top to bottom, so that the large-diameter section is supported at the upper end of the hollow piston rod; the main material ejecting system is installed in a pit below the forging equipment by the bottom plate;
the stroke adjusting system comprises a top plate, a cover plate, a servo motor, a speed reducer, a first connecting shaft and a hollow adjusting screw rod; the top plate is arranged on the hollow adjusting screw rod and is abutted against the lower end of the small-diameter section; the hollow adjusting screw is in threaded connection with the cover plate and is coaxially arranged with the ejector rod; the upper end of the first connecting shaft is in spline fit with the hollow adjusting screw; the lower end of the first connecting shaft is connected with the output end of the speed reducer, and the speed reducer is in transmission connection with the servo motor; the servo motor drives the input end of the speed reducer to rotate, the first connecting shaft rotates along with the output end of the speed reducer, and the hollow adjusting screw rod spirally lifts under the action of the spline, so that the top plate drives the ejector rod to lift; the stroke adjusting system is arranged on the bottom plate through the cover plate;
the servo control system is connected with the servo motor to adjust the adjusting distance of the top plate lifting ejector rod according to the processing requirement.
Optionally, a connecting body is arranged between the bottom plate and the cover plate, and the connecting body comprises a first annular body, a cylinder body and a second annular body which are coaxially arranged; the first ring body and the second ring body are respectively arranged at two ends of the cylinder body; the first ring body is connected with the bottom plate, and the second ring body is connected with the cover plate; the ejector rod is sleeved in the inner space of the first ring body and the cylinder body.
Optionally, the first connecting shaft is connected with the output end of the speed reducer through a flat key; the first connecting shaft sleeve is provided with a first thrust part to limit the first connecting shaft to move along the axis direction of the first connecting shaft.
Optionally, the small diameter section is sleeved with a second thrust part to limit the maximum value of the adjusting distance of the top plate for jacking the ejector rod.
Optionally, the servo control system comprises a human-computer interaction interface, a control system and a displacement sensor for monitoring the displacement distance of the hollow adjusting screw; the human-computer interaction interface and the displacement sensor are respectively connected with the control system.
Optionally, the top plate includes an abutting cylinder, a connecting ring body and a sealing ring wall which are coaxially arranged; the upper end of the abutting column body abuts against the ejector rod, and the lower end of the abutting column body is connected with the hollow adjusting screw rod; the connecting ring body is sleeved on the outer side of the abutting column, and the sealing ring wall is formed by extending the outer peripheral wall of the connecting ring body towards one side of the cover plate; a circular wall surface is formed on one side, facing the ejector rod, of the cover plate in a protruding mode; the sealing ring wall is sleeved on the outer side of the circular ring wall surface, and a sealing ring is arranged between the sealing ring wall and the circular ring wall surface, so that the sealing ring wall can slide along the circular ring wall surface in a sealing mode.
Optionally, the stroke adjusting system further comprises a bracket, a second connecting shaft, a coupler, a right-angle commutator and a third connecting shaft; the servo motor is arranged on the bracket, so that the servo motor is arranged above the pit; the servo motor is connected with the right-angle commutator in a transmission mode through the second connecting shaft and the coupler in sequence, and the right-angle commutator is connected with the speed reducer in a transmission mode through the third connecting shaft.
Optionally, the liquid level monitoring device further comprises a liquid level sensor and a liquid level alarm, wherein the liquid level sensor is connected with the liquid level alarm; the liquid level sensor is arranged in the pit, and when the liquid level value detected by the liquid level sensor is greater than a preset value, the liquid level alarm sends out a warning prompt.
Generally, through the utility model discloses above technical scheme who conceives compares with prior art, can gain following beneficial effect:
1. in the utility model, the speed reducer is driven by the servo motor to transmit torque, the spline between the first connecting shaft and the hollow adjusting screw rod drives the hollow adjusting screw rod to rotate forward and backward, and the hollow screw rod rotates upwards and downwards through the screw pair between the hollow adjusting screw rod and the cover plate, so that the gap size adjustment between the lower end of the large-diameter section of the ejector rod and the upper end of the hollow piston rod is realized, the ejection cylinder with the ejection length fixed can also realize the timely adjustment of the ejection stroke, the processing requirements of the accurate control and the timely adjustment of the ejection stroke of especially precise forgings are met, and the high consistency and the high quality of products processed by the forging press are ensured; more excellent, the utility model discloses can be according to the automatic intelligent stepless adjustment of swift, the high accuracy ground realization liftout stroke of processing requirement, and adjust the precision and reach 0.1 mm.
2. In the utility model, the connecting strength and the structural strength between the bottom plate and the cover plate are ensured through the connecting body, and the connecting body is sleeved outside the ejector rod, so that the external environment is effectively isolated from the ejector rod, the screw pair and the spline, the invasion of external impurities (cooling liquid, ash slag and the like generated in the production process of a forging press) into the transmission part is reduced, and the transmission effective matching of each part is ensured; more preferably, the limitation of the maximization of the jacking distance of the ejector rod is realized through the first thrust part, the range distance of the jacking stroke is limited mechanically, and the operation stability and reliability of the lifting jack are improved; more excellent, ensure the axial displacement of first connecting axle through second thrust portion to the first connecting axle of restriction only can be rotary motion, ensure driven precision, validity and reliability, guaranteed the utility model discloses an adjust the precision.
3. In the utility model, the mounting position of the servo motor is higher than the pit, thereby effectively avoiding the cooling liquid generated in the processing process of the forging press from invading the servo motor to burn out the servo motor, reducing the failure rate of the servo motor and ensuring the long-term effective work of the servo motor; preferably, the sealing ring is arranged between the top plate and the cover plate, so that the cooling liquid generated in the processing process of the forging press is effectively prevented from flowing into the spline and the screw pair, the adverse phenomena of corrosion, rusting and the like caused by the flowing-in of the cooling liquid are avoided, the long-term effective work of the spline and the screw pair is ensured, and the safety and the reliability of the adjusting process are ensured; more excellent, through set up alarm mechanism in the pit, guarantee that the liquid level in the pit is in safe altitude range all the time, ensure the utility model discloses a permanent effective operation.
Drawings
Fig. 1 is a schematic structural view of an embodiment of an ejection fixed-length electric servo adjusting device of the present invention;
fig. 2 is a schematic structural view of another embodiment of the ejection fixed-length electric servo adjusting device of the present invention.
In all the figures, the same reference numerals denote the same features, in particular: 1-screw I, 2-bottom plate, 3-material ejection cylinder, 31-hollow piston rod, 4-ejector rod, 41-large diameter section, 42-small diameter section, 5-screw II, 6-connecting body, 61-first ring body, 62-cylinder body, 63-second ring body, 7-elastic retainer ring I, 8-top plate, 81-abutting cylinder body, 82-connecting ring body, 83-sealing ring wall, 9-cover plate, 91-ring wall surface, 10-screw III, 11-screw IV, 12-servo motor, 13-turbine worm speed reducer, 14-first connecting shaft, 15-elastic retainer ring II, 16-flat key, 17-hollow adjusting screw, 18-proximity switch, 19-sealing ring, 20-second connecting shaft, 21-coupler, 22-bracket, 23-five screws, 24-right-angle commutator, 25-liquid level alarm, 26-third connecting shaft, 27-sealing plate, A-cylinder material jacking stroke and B-maximum adjusting distance.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other. For convenience of explanation, the upper and lower portions of the drawings are the upper and lower portions of the drawings described, and do not necessarily represent actual conditions.
In an embodiment of the present invention, as shown in fig. 1, an ejection fixed-length electric servo adjusting device includes: the system comprises a main material ejection system, a stroke adjusting system and a servo control system; the main material ejecting system comprises a power device, an ejecting cylinder 3, a bottom plate 2 and an ejector rod 4; the power device is in transmission connection with the material ejection cylinder 3, so that the hollow piston rod 31 of the material ejection cylinder 3 can do reciprocating motion along the material ejection direction; the ejector rod 4 comprises a large-diameter section 41 and a small-diameter section 42, and the small-diameter section 42 penetrates through the hollow piston rod 31 from top to bottom, so that the large-diameter section 41 is supported at the upper end of the hollow piston rod 31; the main jacking system is arranged in a pit below the forging equipment by the bottom plate 2; the stroke adjusting system comprises a top plate 8, a cover plate 9, a servo motor 12, a speed reducer, a first connecting shaft 14 and a hollow adjusting screw rod 17; the top plate 8 is arranged on the hollow adjusting screw rod 17, and the top plate 8 is abutted with the lower end of the small-diameter section 42; the hollow adjusting screw 17 is in threaded connection with the cover plate 9 and is coaxially arranged with the ejector rod 4; the upper end of the first connecting shaft 14 is in spline fit with the hollow adjusting screw 17; the lower end of the first connecting shaft 14 is connected with the output end of a speed reducer, and the speed reducer is in transmission connection with the servo motor 12; the servo motor 12 drives the input end of the speed reducer to rotate, the first connecting shaft 14 rotates along with the output end of the speed reducer, and the hollow adjusting screw 17 spirally lifts under the effect of the spline, so that the top plate 8 drives the ejector rod 4 to lift; the stroke adjusting system is arranged on the bottom plate 2 through a cover plate 9; the servo control system is connected with a servo motor 12 to adjust the adjusting distance of the lifting ejector rod 4 of the top plate 8 according to the processing requirement.
In practical application, when the lower end surface of the large-diameter section 41 abuts against the upper end surface of the hollow piston rod 31, because the ejection stroke of the ejection cylinder 3 is fixed length, the ejection stroke of the ejector rod 4 is the largest at this time, and is the cylinder ejection stroke a of the ejection cylinder 3; when the ejection stroke needs to be adjusted, the servo control system obtains the processing requirement (i.e. adjustment distance), and the ejector rod 4 is lifted upwards according to the adjustment distance, so that a distance is formed between the lower end surface of the large-diameter section 41 and the upper end surface of the hollow piston rod 31 along the vertical direction, the distance value of the distance is equal to the adjustment distance, when the ejection cylinder 3 is lifted again, the hollow piston rod 31 of the ejection cylinder 3 has an equidistant (i.e. adjustment distance) idle stroke due to the existence of the distance (in the process, the ejector rod 4 does not axially displace due to the action of the ejection cylinder 3, and then only when the lower end surface of the large-diameter section 41 is abutted against the upper end surface of the hollow piston rod 31 again, the ejector rod 4 is driven to move upwards when the ejection cylinder 3 continues to move upwards, and the ejection stroke of the ejector rod 4 is the difference between the initial ejection stroke a and the adjustment distance at this time, it is worth explaining that the power device can be a hydraulic power device or a pneumatic power device, correspondingly, the material ejecting cylinder 3 is a hydraulic cylinder or a pneumatic cylinder. When the friction coefficient between the top rod 4 and the hollow piston rod 31 is large enough, the top rod 4 can also be a straight rod, but the utility model also belongs to the protection scope of the utility model. In order to make the ejection stroke of the ejector rod 4 be capable of changing within a certain range of value, the connection relationship between the top plate 8 and the ejector rod 4 can be fixed or detachable connection or contact connection. Similarly, the top plate 8 and the hollow adjusting threaded rod 17 can be fixedly or detachably connected or in a contact manner.
Optionally, a connecting body 6 is arranged between the bottom plate 2 and the cover plate 9, and the connecting body 6 comprises a first circular ring body 61, a cylinder 62 and a second circular ring body 63 which are coaxially arranged; the first circular ring body 61 and the second circular ring body 63 are respectively arranged at two ends of the cylinder body 62; the first circular ring body 61 is connected with the bottom plate 2, and the second circular ring body 63 is connected with the cover plate 9; the carrier rod 4 is fitted in the inner space of the first annular body 61 and the cylinder 62. Of course, in practice, the coupling body 6 may be a separate component or may be integrally formed with the base plate 2 and/or the cover plate 9. The connecting body 6 can also be a straight cylinder structure, the connection between the connecting body and the bottom plate 2 and the cover plate 9 can be directly connected through a connecting piece, preferably, the connecting body 6 is connected with the bottom plate 2 through a first screw 1, and the connecting body 6 is connected with the cover plate 9 through a third screw 10; the material ejection cylinder 3 is connected with the bottom plate 2 through a second screw 5; the speed reducer is connected with the cover plate 9 through a screw IV 11. Of course, the screws (screw one 1, screw two 5, screw three 10 and screw four 11) may also be other types of connections, such as bolts, rivets, etc. The servo motor 12 is mounted on a mounting position on a housing of the speed reducer, in this embodiment, the servo motor 12 and the speed reducer are both mounted on a lower end face of the cover plate 9 far away from the bottom plate 2, so that the servo motor 12 and the speed reducer are both accommodated in the pit. Preferably, the speed reducer is a speed reducer that can realize low-speed and high-torque rotation of the first connecting shaft 14, such as the worm gear and worm speed reducer 13.
Optionally, the first connecting shaft 14 is connected with the output end of the speed reducer through a flat key 16; the first connecting shaft 14 is fitted with a first thrust portion to restrict the first connecting shaft 14 from moving in the axial direction thereof. Preferably, the first thrust portion is a second elastic collar 15, which is sleeved on an end portion of the first connecting shaft 14 protruding from the lower end of the speed reducer in the direction of the first connecting shaft. Of course, the first thrust portion may also be a positioning pin or a rigid retainer ring, a flange, or the like in other embodiments.
Optionally, the small diameter section 42 is sleeved with a second thrust portion to define the maximum value of the adjustment distance of the top plate 8 to lift the jack 4. Through the tip cover of the small diameter section 42 lower extreme of salient in hollow piston rod 31, establish second thrust portion, then the distance between the lower terminal surface of second thrust portion and hollow piston rod 31 is ejector pin 4 adjustable adjusting distance maximum B, then the liftout stroke scope of ejector pin 4 this moment is (jar liftout stroke A-adjusting distance maximum B) to between the adjusting distance maximum A, further limits the injecing of the liftout stroke of ejector pin 4 through mechanical spacing, ensures the utility model discloses stability and the reliability of operation. The second thrust part is preferably a circlip one 7, but of course, the second thrust part may also be a positioning pin or a circlip, a flange, or the like in other embodiments.
Optionally, the servo control system comprises a human-computer interaction interface, a control system and a displacement sensor for monitoring the displacement distance of the hollow adjusting screw 17; the human-computer interaction interface and the displacement sensor are respectively connected with the control system. In practical applications, the displacement sensor may be a proximity switch 18 for detecting a distance from the hollow adjusting screw 17 to the zero point (which may directly control the on/off of the servo motor 12 according to data detected by the proximity switch 18) or an angular motion detection device for detecting a rotation angle of the servo motor 12 (at this time, the adjustment distance and the rotation angle of the servo motor 12 need to be converted to control the on/off of the servo motor 12), such as a gyroscope, an encoder, and the like.
In another embodiment of the present invention, as shown in fig. 2, on the basis of the above embodiment, the top plate 8 includes an abutting cylinder 81, a connecting ring 82 and a sealing ring wall 83 which are coaxially arranged; the upper end of the abutting column 81 is abutted with the mandril 4, and the lower end of the abutting column 81 is connected with the hollow adjusting screw 17; the connecting ring body 82 is sleeved outside the abutting column body 81, and the sealing ring wall 83 is formed by extending the outer peripheral wall of the connecting ring body 82 towards one side of the cover plate 9; a circular wall surface 91 is protruded on one side of the cover plate 9 facing the mandril 4; the sealing ring wall 83 is sleeved outside the circular ring wall 91, and a sealing ring 19 is disposed between the sealing ring wall 83 and the circular ring wall 91, so that the sealing ring wall 83 can slide along the circular ring wall 91 in a sealing manner. Preferably, the sealing ring wall 83 or the circular ring wall 91 is provided with a circular groove for accommodating the sealing ring 19, so that the bad phenomenon that the sealing ring 19 falls off when the sealing ring wall 83 and the circular ring wall 91 slide relatively is avoided, and the sealing performance between the two is ensured. It is to be noted that the dimension of the abutment cylinder 81 in the axial direction and the dimension of the connection ring body 82 in the axial direction may be equal or different, and when the dimensions are different, the dimension of the abutment cylinder 81 is preferably larger than the dimension of the connection ring body 82. Of course, in another embodiment of the present invention, the sealing ring wall 83 may be sleeved outside the ring wall 91, but shall also fall within the protection scope of the present invention.
In another embodiment of the present invention, as shown in fig. 2, on the basis of any of the above embodiments, the stroke adjusting system further includes a bracket 22, a second connecting shaft 20, a coupler 21, a right-angle commutator 24, and a third connecting shaft 26; the servo motor 12 is mounted to the stand 22 such that the servo motor 12 is mounted above the pit; the servo motor 12 is in transmission connection with a right-angle commutator 24 through a second connecting shaft 20 and a coupler 21 in sequence, and the right-angle commutator 24 is in transmission connection with a speed reducer through a third connecting shaft 26. In practical applications, the support 22 may be mounted on the forging press or on the ground or in a pit, the servo motor 12 is preferably mounted on the support 22 by a screw five 23, and of course, the servo motor 12 may be mounted on the support 22 by other connecting means, such as by bolts or riveting. Preferably, the second connecting shaft 20 and the coupling 21 are arranged in sequence in the up-down direction, and the third connecting shaft 26 is arranged horizontally; since the servomotor 12 does not need to be mounted to a mounting position on the housing of the reduction gear, the mounting position on the housing of the reduction gear is preferably sealed by a sealing plate 27. Unlike the above-described embodiments, the installation position of the servo motor 12 of the present embodiment is higher than the pit, so that the servo motor 12 does not need to be housed in the pit.
In another embodiment of the present invention, as shown in fig. 2, on the basis of any of the above embodiments, the present invention further includes a liquid level sensor and a liquid level alarm 25, wherein the liquid level sensor is connected to the liquid level alarm 25; the liquid level sensor is arranged in the pit, and when the liquid level value detected by the liquid level sensor is greater than a preset value, the liquid level alarm 25 sends out a warning prompt. Preferably, when support 22 installed in the pit, level sensor can set up on the shell of support 22 or speed reducer, and liquid level alarm 25 can install alone or integrate the installation with servo control system or level sensor and liquid level alarm 25 integrate the installation all can, and its warning suggestion is realized in the combination of more than one kind warning suggestion such as liquid level alarm 25 accessible pronunciation, colour, light.
The utility model also discloses an liftout fixed length electric servo control method, it is applicable to above-mentioned arbitrary one liftout fixed length electric servo control device, including the step:
s1, the servo control system obtains the adjusting distance of the top plate lifting ejector rod according to the processing requirement;
s2, the servo control system controls the opening and closing of a servo motor according to the adjusting distance, so that the top plate lifts the ejector rod by the adjusting distance;
and S3, the power device drives the ejection cylinder to act, so that the hollow piston rod of the ejection cylinder drives the ejector rod to perform ejection movement.
In this embodiment, the servo control system preferably obtains the adjustment distance through human-computer interaction interface to according to adjustment distance control servo motor's the opening and close, can realize the regulation of the liftout stroke of ejector pin, very convenient and easily realize.
Optionally, the method further comprises the steps of:
s4, detecting the liquid level value of the pit by the liquid level sensor;
when the liquid level value is higher than a preset value, executing the following steps:
and S5, the liquid level alarm gives out a warning prompt.
In practical application, the preset value can be set according to specific processing conditions.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the scope of the present invention.
Claims (8)
1. The utility model provides an electronic servo adjusting device of liftout fixed length which characterized in that includes:
the system comprises a main material ejection system, a stroke adjusting system and a servo control system;
the main material ejecting system comprises a power device, an ejecting cylinder, a bottom plate and an ejector rod; the power device is in transmission connection with the material ejection cylinder, so that a hollow piston rod of the material ejection cylinder can do reciprocating motion along the material ejection direction; the ejector rod comprises a large-diameter section and a small-diameter section, and the small-diameter section penetrates through the hollow piston rod from top to bottom, so that the large-diameter section is supported at the upper end of the hollow piston rod; the main material ejecting system is installed in a pit below the forging equipment by the bottom plate;
the stroke adjusting system comprises a top plate, a cover plate, a servo motor, a speed reducer, a first connecting shaft and a hollow adjusting screw rod; the top plate is arranged on the hollow adjusting screw rod and is abutted against the lower end of the small-diameter section; the hollow adjusting screw is in threaded connection with the cover plate and is coaxially arranged with the ejector rod; the upper end of the first connecting shaft is in spline fit with the hollow adjusting screw; the lower end of the first connecting shaft is connected with the output end of the speed reducer, and the speed reducer is in transmission connection with the servo motor; the servo motor drives the input end of the speed reducer to rotate, the first connecting shaft rotates along with the output end of the speed reducer, and the hollow adjusting screw rod spirally lifts under the action of the spline, so that the top plate drives the ejector rod to lift; the stroke adjusting system is arranged on the bottom plate through the cover plate;
the servo control system is connected with the servo motor to adjust the adjusting distance of the top plate lifting ejector rod according to the processing requirement.
2. The topping fixed-length electric servo-adjusting device of claim 1, characterized in that:
a connecting body is arranged between the bottom plate and the cover plate and comprises a first annular body, a cylinder body and a second annular body which are coaxially arranged; the first ring body and the second ring body are respectively arranged at two ends of the cylinder body; the first ring body is connected with the bottom plate, and the second ring body is connected with the cover plate; the ejector rod is sleeved in the inner space of the first ring body and the cylinder body.
3. The topping fixed-length electric servo-adjusting device of claim 1, characterized in that:
the first connecting shaft is connected with the output end of the speed reducer through a flat key; the first connecting shaft sleeve is provided with a first thrust part to limit the first connecting shaft to move along the axis direction of the first connecting shaft.
4. The topping fixed-length electric servo-adjusting device of claim 1, characterized in that:
the small-diameter section is sleeved with a second thrust part to limit the maximum value of the adjusting distance of the top plate for jacking the ejector rod.
5. The topping fixed-length electric servo-adjusting device of claim 1, characterized in that:
the servo control system comprises a human-computer interaction interface, a control system and a displacement sensor for monitoring the displacement distance of the hollow adjusting screw rod;
the human-computer interaction interface and the displacement sensor are respectively connected with the control system.
6. The topping fixed-length electric servo-adjusting device of claim 1, characterized in that:
the top plate comprises an abutting column body, a connecting ring body and a sealing ring wall which are coaxially arranged;
the upper end of the abutting column body abuts against the ejector rod, and the lower end of the abutting column body is connected with the hollow adjusting screw rod;
the connecting ring body is sleeved on the outer side of the abutting column, and the sealing ring wall is formed by extending the outer peripheral wall of the connecting ring body towards one side of the cover plate;
a circular wall surface is formed on one side, facing the ejector rod, of the cover plate in a protruding mode; the sealing ring wall is sleeved on the outer side of the circular ring wall surface, and a sealing ring is arranged between the sealing ring wall and the circular ring wall surface, so that the sealing ring wall can slide along the circular ring wall surface in a sealing mode.
7. The topping fixed-length electric servo-adjusting device of claim 1, characterized in that:
the stroke adjusting system also comprises a bracket, a second connecting shaft, a coupler, a right-angle commutator and a third connecting shaft;
the servo motor is arranged on the bracket, so that the servo motor is arranged above the pit;
the servo motor is connected with the right-angle commutator in a transmission mode through the second connecting shaft and the coupler in sequence, and the right-angle commutator is connected with the speed reducer in a transmission mode through the third connecting shaft.
8. The topping fixed-length electric servo-actuator of any one of claims 1 to 7, further comprising:
the liquid level sensor is connected with the liquid level alarm; the liquid level sensor is arranged in the pit, and when the liquid level value detected by the liquid level sensor is greater than a preset value, the liquid level alarm sends out a warning prompt.
Priority Applications (1)
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CN202021855673.2U CN212664799U (en) | 2020-08-31 | 2020-08-31 | Ejection fixed-length electric servo adjusting device |
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CN202021855673.2U CN212664799U (en) | 2020-08-31 | 2020-08-31 | Ejection fixed-length electric servo adjusting device |
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CN212664799U true CN212664799U (en) | 2021-03-09 |
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CN202021855673.2U Active CN212664799U (en) | 2020-08-31 | 2020-08-31 | Ejection fixed-length electric servo adjusting device |
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2020
- 2020-08-31 CN CN202021855673.2U patent/CN212664799U/en active Active
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