CN207251365U - A kind of Novel servomotor - Google Patents

A kind of Novel servomotor Download PDF

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Publication number
CN207251365U
CN207251365U CN201721275559.0U CN201721275559U CN207251365U CN 207251365 U CN207251365 U CN 207251365U CN 201721275559 U CN201721275559 U CN 201721275559U CN 207251365 U CN207251365 U CN 207251365U
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heat
radiator
encoder
end cap
rear end
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CN201721275559.0U
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叶鹏
金国华
洪博
林海
刘宵
刘一宵
沈小康
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Wei Technology Co Ltd Is A Motion Control Frame In Hangzhou
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Wei Technology Co Ltd Is A Motion Control Frame In Hangzhou
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Abstract

The utility model provides good heat dissipation effect, a kind of Novel servomotor that cost is reasonable, safe.A kind of Novel servomotor, including machine shaft, motor supporting base, electric machine casing, stator winding, encoder, rear end cap and connector, rear end cap is being equipped with main heat insulating mattress with the connecting portion of electric machine casing, rear end cap is equipped with some first mounting holes, rear end cap is fixedly connected by some screws for passing through the first mounting hole with electric machine casing, and each screw is designed with auxiliary heat insulating mattress in the contact site with the first fixation bore ends;The radiator of parcel encoder is equipped with outside encoder, one end of radiator is equipped with heat-conductive bridges, and heat-conductive bridges connect with the outer surface of encoder.The good heat dissipation effect of the utility model, ensures that encoder works normally at a suitable temperature, so as to improve the working life and operating accuracy of servomotor, and has the advantages that cost is reasonable and motor job security is high.

Description

A kind of Novel servomotor
Technical field
A kind of motor is the utility model is related to, more particularly to a kind of Novel servomotor.
Background technology
In traditional permanent magnet synchronous servo motor structure by the way of electric machine casing and rear end cap are directly connected to, such as Fig. 1 Shown, such structure causes stator winding(4)Substantial amounts of heat is produced in continuous firing, since heat transfer principle causes to compile Code device(5)Temperature rise, encoder is easily damaged encoder in itself under the working environment of high temperature, and influences its precision, this Decisive role is played for the performance and precision of servomotor.In addition, traditional servomotor structure is unfavorable for encoding The heat dissipation of device itself, influences the service life and precision of encoder.
In summary situation, design one kind can avoid above prior art shortcoming, the one kind with preferable heat dissipation effect Novel servomotor is necessary.
Utility model content
The purpose of this utility model is to provide good heat dissipation effect, a kind of novel servo electricity that cost is reasonable, safe Machine, solves the problems, such as to propose in background above technology.
Technical solution is used by the utility model solves its technical problem:
A kind of Novel servomotor, including machine shaft, motor supporting base, electric machine casing, stator winding, encoder, after End cap and connector, electric machine casing are connected with motor supporting base, and stator winding is fixed on inside electric machine casing by machine shaft, The both ends of machine shaft are stretched out outside electric machine casing, and one end connection encoder of machine shaft, encoder is arranged on rear end cap and electricity In the cavity that casing body is formed, connector is arranged on outside rear end cap, and the rear end cap is set in the connecting portion with electric machine casing There is main heat insulating mattress, the shape of main heat insulating mattress is matched with the cross sectional shape of rear end cap and electric machine casing connecting portion;Described Rear end cap is equipped with some first mounting holes, and rear end cap passes through the screw of the first mounting hole to fix company with electric machine casing by some Connect, each screw is designed with auxiliary heat insulating mattress in the contact site with the first fixation bore ends;Set outside the encoder There is the radiator of parcel encoder, radiator is connected with rear end cap, and radiator is equipped with the circle of radiating fin for outside wall surface Cylinder, the inner wall of radiator is adjacent with encoder, and one end of radiator is equipped with the appearance of heat-conductive bridges, heat-conductive bridges and encoder Face connects.Since encoder itself is very compact, surface area is small, is unfavorable for the heat of encoder itself to external diffusion, therefore Radiator is installed around encoder, heat-conductive bridges are installed beneficial to encoder heat diffusion, while in the end face of encoder, are led Heat bridge and encoder and radiator have contact, can effectively increase the transmission of encoder heat.
Preferably, the inner wall of the radiator and the spacing on encoder surface are 0.3 ~ 0.5mm.Radiator and The diffusion being closely provided with beneficial to heat of encoder, still, encoder in real work there are certain mechanical oscillation, Therefore certain gap is left therebetween, more suitable gap is 0.3 ~ 0.5mm.
Preferably, end face of the radiator away from heat-conductive bridges, which is equipped with, is raised in radiator end face and symmetrical cloth The reinforcement block put, the second mounting hole for being fixed on radiator on rear end cap is designed with each reinforcement block.
Preferably, the heat-conductive bridges are rectangle plates, the bottom surface of heat-conductive bridges and the end face of radiator and volume The outer surface of code device connects, and heat-conductive bridges are equipped with the 3rd mounting hole for being used for being fixed on heat-conductive bridges on radiator end face, lead The position that heat bridge connects with encoder is coated with heat dissipating silicone grease.This structure of heat-conductive bridges makes the end face of heat-conductive bridges and radiator It is in the same plane, can so makes heat-conductive bridges and the contact area of radiator end face most, the heat conduction of large access area Bridge and heat dissipating silicone grease are conducive to the heat transfer of encoder being gone out more efficiently.
Preferably, the heat-conductive bridges are elastic sheet metal.Elastic sheet metal can be such that encoder has in the axial direction Certain extendable room.
Preferably, the radiating fin is some rectangle plates perpendicular to radiator outside wall surface, heat dissipation The length of fin is identical with the height of radiator cylinder.
Preferably, the radiating fin is equipped with some uniformly distributed spill teeth, the spill tooth of adjacent heat radiation fin is wrong Spiral spill tooth group structure of the open form cyclization around radiator surface radiating fin.
Preferably, the auxiliary heat insulating mattress is conductive spacer.In order to ensure the operating accuracy of servomotor, it is necessary to Electric machine casing and rear end cap are grounded, the phenomenon of spread of voltage is avoided the occurrence of and produces electromagnetic noise;Ground connection also ensures electricity The safety of machine work, prevents leaky so as to trigger the consequences such as motor damage and injury to personnel, the design of conductive spacer It is grounded after realizing rear end cap connection electric machine casing by motor supporting base.
Preferably, heat insulating mattress of the main heat insulating mattress for ATO nanometers of materials, the auxiliary heat insulating mattress are The heat insulating mattress of single-sided conductive aluminum foil and adhesive tape material.
Preferably, the main heat insulating mattress and auxiliary heat insulating mattress are the heat-insulated of single-sided conductive aluminum foil and adhesive tape material Gasket.
The beneficial effects of the utility model are:
A kind of Novel servomotor of the utility model, takes heat insulating mattress combination radiator to accelerate the form of heat dissipation, Good heat dissipation effect, ensures that encoder works normally at a suitable temperature, so as to improve the working life and work of servomotor Make precision, and have the advantages that cost is reasonable and motor job security is high.
Brief description of the drawings
Fig. 1 is the schematic diagram of traditional permanent magnet synchronous servo motor;
Fig. 2 is the structure diagram of the utility model;
Fig. 3 is the sectional perspective schematic diagram of the utility model;
Fig. 4 is the schematic perspective view of radiator in the utility model;
Fig. 5 is the structure diagram of radiating fin in the utility model.
In figure:1st, machine shaft, 2, motor bearing seat, 3, electric machine casing, 4, stator winding, 5, encoder, 6, rear end cap, 7th, connector, 8, main heat insulating mattress, the 9, first mounting hole, 10, auxiliary heat insulating mattress, 11, radiator, 12, radiating fin, 13rd, heat-conductive bridges, 14, reinforcement block, the 15, second mounting hole, the 16, the 3rd mounting hole, 17, spill tooth, 18, screw.
Embodiment
Below by specific embodiment, and with reference to attached drawing, the technical solution of the utility model is made further specifically It is bright.It should be appreciated that the implementation of the utility model is not limited to the following examples, any form done to the utility model On accommodation and/or change fall within scope of protection of the utility model.
Embodiment 1:
As shown in Figure 1, traditional permanent magnet synchronous servo motor include machine shaft 1, motor supporting base 2, electric machine casing 3, Stator winding 4, encoder 5, rear end cap 6 and connector 7.Its cooling method is radiated using electric machine casing, and heat is along Fig. 1 Wave direction of arrow transmission.
A kind of Novel servomotor as shown in Figures 2 and 3, including machine shaft 1, motor supporting base 2, electric machine casing 3, Stator winding 4, encoder 5, rear end cap 6 and connector 7, electric machine casing is connected with motor supporting base, and stator winding passes through motor Shaft is fixed on inside electric machine casing, and the both ends of machine shaft are stretched out outside electric machine casing, one end connection coding of machine shaft Device, encoder are arranged in the cavity that rear end cap and electric machine casing are formed, and connector is arranged on outside rear end cap, rear end cap with motor The connecting portion of housing is equipped with main heat insulating mattress 8, shape and the rear end cap and section of electric machine casing connecting portion of main heat insulating mattress Face form fit.The isolation of high temperature and rear end cap that main heat insulating mattress produces the utility model servomotor is opened, and heat is along Fig. 2 waves Direction of arrow transmission, ensures that encoder works normally at a suitable temperature, so as to improve servomotor working life and guarantee Operating accuracy.
Rear end cap is equipped with some first mounting holes 9, and rear end cap passes through some screws 18 and motor for passing through the first mounting hole Housing is fixedly connected, and each screw is designed with auxiliary heat insulating mattress 10, encoder in the contact site with the first fixation bore ends Outside is equipped with the radiator 11 of parcel encoder, and radiator is connected with rear end cap.
As shown in figure 4, radiator is equipped with the cylinder of radiating fin 12, the inner wall and coding of radiator for outside wall surface Device is adjacent, and one end of radiator is equipped with heat-conductive bridges 13, and heat-conductive bridges connect with the outer surface of encoder.Since encoder itself is non- Chang little Qiao, surface area is small, is unfavorable for the heat of encoder itself to external diffusion, therefore heat dissipation dress is installed around encoder Put, beneficial to encoder heat diffusion, while heat-conductive bridges, heat-conductive bridges and encoder and heat dissipation dress are installed in the end face of encoder Putting has contact, can effectively increase the transmission of encoder heat.
The inner wall of radiator and the spacing on encoder surface are 0.5mm.The closely installation of radiator and encoder Be conducive to the diffusion of heat, still, encoder, there are certain mechanical oscillation, therefore leaves therebetween in real work Certain gap.
End face of the radiator away from heat-conductive bridges is equipped with the reinforcement block 14 for being raised in radiator end face and being arranged symmetrically, often Be designed with the second mounting hole 15 for radiator being fixed on rear end cap on a reinforcement block.
Heat-conductive bridges are rectangle plates, the bottom surface of heat-conductive bridges and the end face of radiator and the outer surface phase of encoder Connect, heat-conductive bridges are equipped with the 3rd mounting hole 16 for being used for being fixed on heat-conductive bridges on radiator end face, heat-conductive bridges and encoder The position to connect is coated with heat dissipating silicone grease.This structure of heat-conductive bridges makes the endface of heat-conductive bridges and radiator in same plane On, it can so make heat-conductive bridges and the contact area of radiator end face most, the heat-conductive bridges and heat dissipating silicone grease of large access area Be conducive to the heat transfer of encoder being gone out more efficiently.
Heat-conductive bridges are elastic sheet metal.Elastic sheet metal can make encoder have certain extendable room in the axial direction.
Radiating fin is some rectangle plates perpendicular to radiator outside wall surface, the length of radiating fin and heat dissipation The height of device cylinder is identical.As shown in figure 5, radiating fin is equipped with some uniformly distributed spill teeth, adjacent heat radiation fin Spill tooth staggers to form the spiral spill tooth group structure of circular radiator surface radiating fin.This infrastructure cost is slightly higher, but It is heat dissipation area bigger, heat dissipation effect is more preferable.
Auxiliary heat insulating mattress is conductive spacer.In order to ensure the operating accuracy of servomotor, it is necessary to by electric machine casing with after End cap is grounded, and is avoided the occurrence of the phenomenon of spread of voltage and is produced electromagnetic noise;Ground connection also ensures the safety of motor work, prevents Only there is leaky so as to trigger the consequences such as motor damage and injury to personnel, the design of conductive spacer realizes rear end cap connection It is grounded after electric machine casing by motor supporting base.The Novel servomotor of the present embodiment by rear end cap, auxiliary heat insulating mattress and Screw, electric machine casing and motor supporting base form a circuit and are connected with the earth.
Main heat insulating mattress and auxiliary heat insulating mattress are the heat insulating mattress of single-sided conductive aluminum foil and adhesive tape material.Single-sided conductive aluminium Foil belt, base material are aluminium foils, oiliness acryl glue, sticky good, strong adhesive force;Heat-insulated with insulation, waterproof, viscous force is good, resists cold Property it is good, easily tear for eliminate electromagnetic interference(EMI), harm of the isolating electromagnetic to human body, avoids voltage or electric current from influencing function.It is main It is used for computer monitor, computer peripheral wire rod and transformer manufacturing, central air-conditioning pipeline, smoke extractor, refrigerator, water heater etc. Pipe line joint, electric wire, cable, precise electronic product, computer equipment etc.;Isolate Electromagnetic Interference during high-frequency transmission, high temperature resistant is prevented Only spontaneous combustion;In addition there is good result for the electrostatic leakage after ground connection.
Embodiment 2:
A kind of Novel servomotor as shown in Figures 2 and 3, including machine shaft 1, motor supporting base 2, electric machine casing 3, Stator winding 4, encoder 5, rear end cap 6 and connector 7, electric machine casing is connected with motor supporting base, and stator winding passes through motor Shaft is fixed on inside electric machine casing, and the both ends of machine shaft are stretched out outside electric machine casing, one end connection coding of machine shaft Device, encoder are arranged in the cavity that rear end cap and electric machine casing are formed, and connector is arranged on outside rear end cap, rear end cap with motor The connecting portion of housing is equipped with main heat insulating mattress 8, shape and the rear end cap and section of electric machine casing connecting portion of main heat insulating mattress Face form fit.The isolation of high temperature and rear end cap that main heat insulating mattress produces the utility model servomotor is opened, and heat is along Fig. 2 waves Direction of arrow transmission, ensures that encoder works normally at a suitable temperature, so as to improve servomotor working life and guarantee Operating accuracy.
Rear end cap is equipped with some first mounting holes 9, and rear end cap passes through some screws 18 and motor for passing through the first mounting hole Housing is fixedly connected, and each screw is designed with auxiliary heat insulating mattress 10, encoder in the contact site with the first fixation bore ends Outside is equipped with the radiator 11 of parcel encoder, and radiator is connected with rear end cap.
As shown in figure 4, radiator is equipped with the cylinder of radiating fin 12, the inner wall and coding of radiator for outside wall surface Device is adjacent, and one end of radiator is equipped with heat-conductive bridges 13, and heat-conductive bridges connect with the outer surface of encoder.Since encoder itself is non- Chang little Qiao, surface area is small, is unfavorable for the heat of encoder itself to external diffusion, therefore heat dissipation dress is installed around encoder Put, beneficial to encoder heat diffusion, while heat-conductive bridges, heat-conductive bridges and encoder and heat dissipation dress are installed in the end face of encoder Putting has contact, can effectively increase the transmission of encoder heat.
The inner wall of radiator and the spacing on encoder surface are 0.5mm.The closely installation of radiator and encoder Be conducive to the diffusion of heat, still, encoder, there are certain mechanical oscillation, therefore leaves therebetween in real work Certain gap.
End face of the radiator away from heat-conductive bridges is equipped with the reinforcement block 14 for being raised in radiator end face and being arranged symmetrically, often Be designed with the second mounting hole 15 for radiator being fixed on rear end cap on a reinforcement block.
Heat-conductive bridges are rectangle plates, the bottom surface of heat-conductive bridges and the end face of radiator and the outer surface phase of encoder Connect, heat-conductive bridges are equipped with the 3rd mounting hole 16 for being used for being fixed on heat-conductive bridges on radiator end face, heat-conductive bridges and encoder The position to connect is coated with heat dissipating silicone grease.This structure of heat-conductive bridges makes the endface of heat-conductive bridges and radiator in same plane On, it can so make heat-conductive bridges and the contact area of radiator end face most, the heat-conductive bridges and heat dissipating silicone grease of large access area Be conducive to the heat transfer of encoder being gone out more efficiently.Heat-conductive bridges are elastic sheet metal.Elastic sheet metal can make volume Code device has certain extendable room in the axial direction.
Radiating fin is some rectangle plates perpendicular to radiator outside wall surface, the length of radiating fin and heat dissipation The height of device cylinder is identical.This infrastructure cost comparative example 1 is relatively low, and there is suitable heat dissipation area and heat dissipation to imitate Fruit, the situation that suitable batch uses.
Auxiliary heat insulating mattress is conductive spacer.In order to ensure the operating accuracy of servomotor, it is necessary to by electric machine casing with after End cap is grounded, and is avoided the occurrence of the phenomenon of spread of voltage and is produced electromagnetic noise;Ground connection also ensures the safety of motor work, prevents Only there is leaky so as to trigger the consequences such as motor damage and injury to personnel, the design of conductive spacer realizes rear end cap connection It is grounded after electric machine casing by motor supporting base.The Novel servomotor of the present embodiment by rear end cap, auxiliary heat insulating mattress and Screw, electric machine casing and motor supporting base form a circuit and are connected with the earth.
Main heat insulating mattress is the heat insulating mattress of ATO nanometers of materials, and auxiliary heat insulating mattress is single-sided conductive aluminum foil and adhesive tape material Heat insulating mattress.ATO(Antimony Tin Oxide)Nano material is the metal oxygen being formulated by antimony oxide and tin oxide Compound nanometer ultramicron powder, has transparent conductivity, thermal insulation, the nano material of anti-ultraviolet function, can be applied to each The effect such as transparent heat-insulated, antiultraviolet, antistatic, radiation protection is played in kind glass, plastics.ATO nano materials contrast single side is led Electrit foil belt cost is relatively low, and making the larger main heat insulating mattress of area with it has cost advantage, the feelings that suitable batch uses Condition.
Embodiment described above is a kind of preferable scheme of the utility model, not the utility model is made any Formal limitation, also has other variations and remodeling on the premise of without departing from the technical solution described in claim.

Claims (10)

1. a kind of Novel servomotor, including machine shaft(1), motor supporting base(2), electric machine casing(3), stator winding(4)、 Encoder(5), rear end cap(6)And connector(7), electric machine casing is connected with motor supporting base, and stator winding passes through machine shaft It is fixed on inside electric machine casing, the both ends of machine shaft are stretched out outside electric machine casing, and one end connection encoder of machine shaft, is compiled Code device is arranged in the cavity that rear end cap is formed with electric machine casing, and connector is arranged on outside rear end cap, it is characterised in that:After described End cap is being equipped with main heat insulating mattress with the connecting portion of electric machine casing(8), shape and rear end cap and the motor casing of main heat insulating mattress The cross sectional shape matching of body connecting portion;The rear end cap is equipped with some first mounting holes(9), rear end cap passed through by some The screw of first mounting hole(18)It is fixedly connected with electric machine casing, each screw is fixing the contact site of bore ends with first Equipped with auxiliary heat insulating mattress(10);The radiator of parcel encoder is equipped with outside the encoder(11), radiator with Rear end cap connects, and radiator is equipped with radiating fin for outside wall surface(12)Cylinder, inner wall and the encoder phase of radiator Neighbour, one end of radiator are equipped with heat-conductive bridges(13), heat-conductive bridges connect with the outer surface of encoder.
A kind of 2. Novel servomotor according to claim 1, it is characterised in that:The inner wall and volume of the radiator The spacing on code device surface is 0.3 ~ 0.5mm.
A kind of 3. Novel servomotor according to claim 1, it is characterised in that:The radiator is away from heat-conductive bridges End face be equipped be raised in radiator end face and the reinforcement block being arranged symmetrically(14), it is designed with each reinforcement block being used to dissipate Thermal is fixed on the second mounting hole on rear end cap(15).
A kind of 4. Novel servomotor according to claim 1, it is characterised in that:The heat-conductive bridges are rectangle sheet Body, the bottom surface of heat-conductive bridges connect with the outer surface of the end face of radiator and encoder, and heat-conductive bridges, which are equipped with, to be used for heat-conductive bridges The 3rd mounting hole being fixed on radiator end face(16), the position that heat-conductive bridges connect with encoder is coated with heat dissipating silicone grease.
A kind of 5. Novel servomotor according to claim 1 or 4, it is characterised in that:The heat-conductive bridges are elasticity gold Belong to piece.
A kind of 6. Novel servomotor according to claim 1, it is characterised in that:The radiating fin is some vertical It is identical with the height of radiator cylinder in the rectangle plates of radiator outside wall surface, the length of radiating fin.
A kind of 7. Novel servomotor according to claim 1, it is characterised in that:The radiating fin is equipped with some Uniformly distributed spill tooth(17), the spill tooth of adjacent heat radiation fin, which staggers to be formed, surround the spiral recessed of radiator surface radiating fin Shape tooth group structure.
A kind of 8. Novel servomotor according to claim 1, it is characterised in that:The auxiliary heat insulating mattress is conduction Gasket.
A kind of 9. Novel servomotor according to claim 1 or 8, it is characterised in that:The main heat insulating mattress is ATO The heat insulating mattress of nanometer material, the auxiliary heat insulating mattress are the heat insulating mattress of single-sided conductive aluminum foil and adhesive tape material.
A kind of 10. Novel servomotor according to claim 1 or 8, it is characterised in that:The main heat insulating mattress and auxiliary Help the heat insulating mattress that heat insulating mattress is single-sided conductive aluminum foil and adhesive tape material.
CN201721275559.0U 2017-09-29 2017-09-29 A kind of Novel servomotor Active CN207251365U (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107516962A (en) * 2017-09-29 2017-12-26 杭州桢正玮顿运动控制技术有限公司 A new type of servo motor
CN110247518A (en) * 2019-06-11 2019-09-17 珠海格力电器股份有限公司 Servo motor and intelligent equipment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107516962A (en) * 2017-09-29 2017-12-26 杭州桢正玮顿运动控制技术有限公司 A new type of servo motor
CN107516962B (en) * 2017-09-29 2024-11-08 杭州桢正玮顿运动控制技术有限公司 A servo motor
CN110247518A (en) * 2019-06-11 2019-09-17 珠海格力电器股份有限公司 Servo motor and intelligent equipment

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