CN109742921B - Linear motor module with lateral opening structure - Google Patents

Linear motor module with lateral opening structure Download PDF

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Publication number
CN109742921B
CN109742921B CN201910080788.4A CN201910080788A CN109742921B CN 109742921 B CN109742921 B CN 109742921B CN 201910080788 A CN201910080788 A CN 201910080788A CN 109742921 B CN109742921 B CN 109742921B
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linear motor
hole
rotor
fixed
fixing
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CN109742921A (en
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朱玉如
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Hangzhou Forward Intelligent Equipment Co ltd
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Dongguan Beisheng Intelligent Technology Co ltd
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Abstract

The invention discloses a linear motor module with a lateral opening structure, which comprises a linear motor, wherein the linear motor comprises a fixed base and a rotor penetrating through the fixed base, open openings capable of reducing the width of the fixed base are respectively arranged on two sides of the fixed base, sealant is filled in the open openings on the two sides, and a sliding seat connected with one end of the rotor is arranged at the upper end of the fixed base. According to the invention, the two sides of the fixed base are provided with the open openings, the open openings are filled with the sealant, the sealant has the functions of fixing the coil and insulating, and the open openings are arranged on the two sides of the fixed base, so that the heat of the coil can be rapidly diffused, and the heat dissipation efficiency of the coil is improved.

Description

Linear motor module with lateral opening structure
Technical Field
The present disclosure relates to linear motor assemblies, and particularly to a linear motor module with a lateral opening structure.
Background
At present, in the field of industrial automation, a linear driving mode mainly adopts modes of a rotary motor, a screw rod, a gear, a belt and the like. The above-described driving method has problems of backlash, large friction, low rigidity, poor driving accuracy, large noise, and the like due to the presence of the intermediate transmission mechanism.
The linear motor is used as a driving mechanism for transmission, an intermediate transmission mechanism is not needed, and the problems can be solved. And the linear motor has the advantages of high precision, high dynamic response, high rigidity and the like. In addition, since there is no wear of the transmission, the mechanical loss of the linear motor is extremely small. The maintenance requirement of the linear motor is low, so that the reliability is high and the service life is long.
However, the mover coil of the conventional linear motor is generally fixed and insulated through glue filling, and glue filling is performed from openings at two ends of the stator, so that the diameter of the stator shell is increased due to the influence of the openings required by glue filling, and the glue filling speed is slow. And coil and glue are filled the back and are wrapped up by the active cell shell, and the heat of coil is difficult to be conducted out, leads to the coil to generate heat fast, and the life-span is short.
Disclosure of Invention
The present invention is directed to overcoming the above-mentioned drawbacks of the prior art, and providing a linear motor module with a side opening structure.
In order to solve the above defects in the prior art, the technical scheme provided by the invention is as follows: the utility model provides a linear electric motor module of side direction open structure, includes linear electric motor and rotatory suction means, linear electric motor includes unable adjustment base and wears to locate the active cell in this unable adjustment base, unable adjustment base's both sides are equipped with the open opening that can reduce this unable adjustment base width respectively, in both sides open the opening part and irritated sealed glue, unable adjustment base's upper end be equipped with the slide that active cell one end is connected, rotatory suction means installs on the slide.
As an improvement of the linear motor module with the lateral opening structure, the top of the fixed base is also provided with a grating reading head fixed seat, the bottom of the grating reading head fixed seat is hidden with a limit sensor, and the upper end of the grating reading head fixed seat is provided with a grating reading head. The limiting sensor is hidden at the bottom of the grating reading head fixing seat, and the structure can not only protect the sensor well, but also enable the structure to be more reasonable.
The linear motor module with the lateral opening structure is improved in the invention, a grating ruler is arranged at one end of the sliding seat, a left limit induction sheet is arranged at one end of the grating ruler, a right limit induction sheet is arranged at the other end of the grating ruler, the left limit induction sheet and the right limit induction sheet are fixed by screws, the grating ruler penetrates through the grating reading head fixing seat, and the linear motor performs axial control movement according to position information of the left limit induction sheet and the right limit induction sheet induced by the limit sensor.
As an improvement of the linear motor module with the lateral opening structure, the bottom of the sliding seat is connected to the fixed base through a crossed roller guide rail.
As an improvement of the linear motor module with the lateral opening structure, an axial through hole for the rotor to penetrate through is formed in the middle of the fixed base, a plurality of coils are arranged in the axial through hole, the coils are fixed and insulated through the sealant, stator sliding covers are respectively arranged at two ends of the axial through hole, a groove for mounting a motor output line PCB is formed in the bottom of the fixed base, the motor output line PCB is fixed in the groove, and a coil lead penetrates out of the bottom of the fixed base and is connected with the motor output line PCB;
one end of the sliding seat is connected with the rotor through a rotor fixing clamp, a through hole is formed in the rotor fixing clamp, a rotor end cover is arranged in the through hole, the rotor end cover is fixed on the rotor through an end cover screw, and anti-collision glue is arranged on the inner side face of the rotor fixing clamp.
As an improvement of the linear motor module with the lateral opening structure, the other end of the rotor is sleeved with a counterweight spring, the counterweight spring is fixed by a spring fixing cover, and the spring fixing cover is fixed on the rotor by a fixing cover screw; when the linear motor is powered off, the counterweight spring can drive the rotor to reset.
As an improvement of the linear motor module with the lateral opening structure, the rotary suction device comprises a rotary motor and a fixed seat, a supporting block is arranged on the fixed seat, a through hole is formed in the supporting block, bearing mounting grooves are respectively formed in two sides of the through hole, a sealing ring is arranged in each of the two bearing mounting grooves, an air vent penetrating through the top of the supporting block or the bottom of the supporting block is formed in the side wall of the through hole, bearings are respectively arranged in the two bearing mounting grooves, an output shaft of the rotary motor is connected with a suction nozzle rod through a coupler, a plurality of air holes communicated with the air holes are formed in the suction nozzle rod at intervals, the rotary motor controls the rotary motion of the suction nozzle rod, and the air holes provide air pressure for the suction nozzle rod to suck products.
As an improvement of the linear motor module with the lateral opening structure, when the vent hole in the side wall of the through hole is arranged downwards, the bottom of the fixed seat is provided with a transverse communication hole, and the transverse communication hole is communicated with the vent hole.
As an improvement of the linear motor module with the lateral opening structure, the vent hole or the transverse communication hole is connected with the air pipe through an air pipe joint, and when the transverse communication hole is connected with the air pipe, the air pipe is positioned at the bottom of the rotating motor; when the air vent is connected with an air pipe of the air pipe, the air pipe is positioned at the top of the rotating motor.
As an improvement of the linear motor module with the lateral opening structure, the linear motor can simultaneously control a plurality of rotary suction devices to simultaneously move axially.
Compared with the prior art, the invention has the advantages that: according to the invention, the two sides of the fixed base are provided with the open openings, the open openings are filled with the sealant, the sealant has the functions of fixing the coil and insulating, and the open openings are arranged on the two sides of the fixed base, so that the heat of the coil can be rapidly diffused, and the heat dissipation efficiency of the coil is improved.
The two sealing rings are arranged in the bearing mounting grooves at two sides of the vent hole of the suction nozzle rod, so that air leakage is avoided during ventilation. The compact volume is suitable for the surface mounting and plug-in equipment in the 3C industry, and is perfectly matched with the Z axis of the circular tube linear motor. The grating ruler is ingeniously designed at the top of the sliding seat, and the space limitation of other parts is well avoided. The limiting sensor is hidden at the bottom of the fixed seat of the grating reading head, the grating ruler reading head is fixed when the motor moves axially due to the structural design, and the sensor can be well protected, so that the structure becomes more reasonable.
The magnet is arranged in the rotor, when the coil is electrified, a magnetic field is generated to interact with the rotor magnet to generate axial displacement, a real-time position signal is generated through the feedback of the grating reading head and the grating ruler, when the motor moves out of the range, the limit sensor generates a limit signal, and when the motor is powered off, the balance weight spring enables the motor to recover to the initial position of the motor.
Drawings
The invention and its advantageous technical effects are described in further detail below with reference to the accompanying drawings and detailed description, in which:
fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic diagram of the structure of the linear motor and the rotary suction device in the invention.
Fig. 3 is a schematic perspective view of the linear motor of the present invention.
Fig. 4 is an exploded view of the linear motor of the present invention.
Fig. 5 is a schematic perspective view of another linear motor according to the present invention.
Fig. 6 is a schematic perspective view of the rotary suction device with an air tube passing through the vent hole from the top of the rotary motor.
Fig. 7 is a schematic view of the disassembled structure of the rotary suction device with the air pipe communicated with the vent hole from the top of the rotary motor.
Fig. 8 is a perspective view of the rotary suction device in which the air pipe is communicated with the air vent from the bottom of the rotary motor.
Fig. 9 is a schematic view of the disassembled structure of the rotary suction device with the air pipe communicated with the vent hole from the bottom of the rotary motor.
Fig. 10 is a schematic view of a structure in which a plurality of rotary suction devices are mounted on a carriage.
Reference symbol names: 1. the linear motor 2, the rotary suction device 3, the fixed base 4, the mover 5, the open opening 6, the sealant 7, the slide base 8, the grating ruler 9, the left limit induction sheet 10, the right limit induction sheet 11, the cross roller guide rail 12, the coil 13, the stator sliding cover 14, the groove 15, the motor output line PCB 16, the mover fixing clamp 17, the through hole 18, the mover end cover 19, the end cover screw 20, the anti-collision glue 21, the counterweight spring 22, the spring fixing cover 23, the fixing cover screw 24, the rotary motor 25, the fixed base 26, the supporting block 27, the through hole 28, the bearing mounting groove 29, the sealing ring 31, the grating reading head fixing base 32, the limit sensor 33, the grating reading head 41, the vent hole 42, the bearing 43, the coupler 44, the suction nozzle rod 45, the air hole 46, the transverse communication, Air pipe connector 48, trachea.
Detailed Description
The invention will be further described below with reference to the drawings and specific examples, but the embodiments of the invention are not limited thereto.
As shown in fig. 1 to 10, a linear motor module with a lateral opening structure includes a linear motor 1, the linear motor 1 includes a fixing base 3 and a mover 4 penetrating through the fixing base 3, two sides of the fixing base 3 are respectively provided with an open opening 5 capable of reducing the width of the fixing base 3, a sealant 6 is filled in the open openings 5 at the two sides, and a sliding seat 7 connected with one end of the mover 4 is arranged at the upper end of the fixing base 3.
Preferably, 3 tops of unable adjustment base still are equipped with grating reading head fixing base 31, and the bottom of grating reading head fixing base 31 is hidden and is provided with spacing sensor 32, and the upper end of grating reading head fixing base 31 is equipped with grating reading head 33. The limit sensor 32 is hidden at the bottom of the grating reading head fixing seat 31, the grating ruler reading head is fixed when the motor moves axially due to the structural design, and the sensor can be well protected, so that the structure becomes more reasonable.
Preferably, the one end of slide 7 is equipped with grating chi 8, and grating chi 8's one end is equipped with left spacing response piece 9, and grating chi 8's the other end is equipped with right spacing response piece 10, and left spacing response piece 9 all adopts the screw fixation with right spacing response piece 10, and grating chi 8 penetrates from grating reading head fixing base 31, and linear electric motor 1 carries out the axial control motion according to spacing sensor 32 response left spacing response piece 9 and right spacing response piece 10 positional information.
Preferably, the bottom of the slide 7 is connected to the fixed base 3 by means of crossed roller guides 11. The cross roller guide rail 11 is matched with the closed-loop grating reading head 33, so that the displacement precision of the linear motor 1 is well ensured.
Preferably, the middle part of the fixed base 3 is provided with an axial through hole for the rotor 4 to penetrate through, a plurality of coils 12 are arranged in the axial through hole, the coils 12 are fixed and insulated through the sealant 6, two ends of the axial through hole are respectively provided with a stator sliding cover 13, the bottom of the fixed base 3 is provided with a groove 14 for installing a motor output line PCB, a motor output line PCB 15 is fixed in the groove 14, and a lead of the coil 12 penetrates out of the bottom of the fixed base 3 and is connected with the motor output line PCB 15; this is called the external connection of the lead of the coil 12.
As shown in fig. 3, another connection method of the lead wires of the coil 12 is to connect and fix the lead wires of the coil 12 in the fixed base 3, and then connect and fix the lead wires of the coil 12 in the fixed base 3.
One end of the sliding seat 7 is connected with the rotor 4 through a rotor fixing clamp 16, a through hole 17 is formed in the rotor fixing clamp 16, a rotor end cover 18 is arranged in the through hole 17, the rotor end cover 18 is fixed on the rotor 4 through an end cover screw 19, and anti-collision glue 20 is arranged on the inner side face of the rotor fixing clamp 16.
Preferably, the other end of the mover 4 is sleeved with a balance weight spring 21, the balance weight spring 21 is fixed by a spring fixing cover 22, and the spring fixing cover 22 is fixed on the mover 4 by a fixing cover screw 23; when the linear motor 1 is powered off, the counterweight spring 21 can drive the rotor to reset.
Preferably, the device also comprises a rotary suction device 2, wherein the rotary suction device 2 is arranged on a sliding seat 7; rotatory suction means 2 includes rotating electrical machines 24 and fixing base 25, is equipped with supporting shoe 26 on the fixing base 25, is equipped with wear to establish hole 27 on the supporting shoe 26, and the both sides of wearing to establish hole 27 are equipped with bearing mounting groove 28 respectively, and bearing mounting groove 28 is R shape, all is equipped with sealing washer 29 in two bearing mounting grooves 28, and two sealing washers are installed in the bearing mounting groove of the both sides of nozzle rod air vent, make it guarantee can not leak gas when ventilating. The side wall of the through hole 27 is provided with a vent hole 41 penetrating from the top of the supporting block 26 or from the bottom of the supporting block 26, bearings 42 are respectively arranged in the two bearing mounting grooves 28, the output shaft of the rotating motor 24 is connected with a suction nozzle rod 44 through a coupler 43, a plurality of air holes 45 communicated with the vent holes 41 are arranged on the suction nozzle rod 44 at intervals, the rotating motor 24 controls the rotating action of the suction nozzle rod 44, and the vent hole 41 provides air pressure for the suction nozzle rod 44 to suck products.
Preferably, when the vent hole 41 penetrating the sidewall of the hole 27 is disposed downward, the bottom of the fixing base 25 is provided with a lateral communication hole 46, and the lateral communication hole 46 is communicated with the vent hole 41.
Preferably, when the air pipe 48 is connected to the air hole 41 or the lateral communication hole 46 through the air pipe joint 47, and the air pipe 48 is connected to the lateral communication hole 46, as shown in fig. 8 and 9, the air pipe 48 is located at the bottom of the rotating electric machine 24; when the air pipe 48 is connected to the air hole 41, the air pipe 48 is positioned on the top of the rotary motor 24, as shown in fig. 6 and 7.
Preferably, as shown in fig. 10, the linear motor 1 can simultaneously control the plurality of rotary suction devices 2 to simultaneously perform axial movement. The plurality of rotary suction devices 2 can be selectively operated by using any one of the air cylinder controls, and the plurality of rotary suction devices 2 can be simultaneously controlled to operate together.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and arrangements of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. A linear motor module with a lateral opening structure comprises a linear motor, wherein the linear motor comprises a fixed base and a rotor penetrating through the fixed base, and the upper end of the fixed base is provided with a sliding seat connected with one end of the rotor;
the rotary suction device is arranged on the sliding seat; the rotary suction device comprises a rotary motor and a fixing seat, a supporting block is arranged on the fixing seat, a through hole is formed in the supporting block, bearing mounting grooves are formed in two sides of the through hole respectively, a sealing ring is arranged in each bearing mounting groove, an air vent penetrating through the top of the supporting block or the bottom of the supporting block is formed in the side wall of the through hole, a bearing is arranged in each bearing mounting groove respectively, an output shaft of the rotary motor is connected with a suction nozzle rod through a coupler, a plurality of air holes communicated with the air vents are formed in the suction nozzle rod at intervals, the rotary motor controls the rotary motion of the suction nozzle rod, and the air vents provide air pressure for the suction nozzle rod to suck products.
2. The linear motor module with the lateral opening structure as claimed in claim 1, wherein a grating reading head fixing seat is further arranged at the top of the fixing base, a limiting sensor is hidden at the bottom of the grating reading head fixing seat, and a grating reading head is arranged at the upper end of the grating reading head fixing seat.
3. The linear motor module of claim 2, wherein a grating ruler is disposed at one end of the sliding base, a left limit sensor plate is disposed at one end of the grating ruler, a right limit sensor plate is disposed at the other end of the grating ruler, the left limit sensor plate and the right limit sensor plate are fixed by screws, the grating ruler penetrates through the grating reading head fixing base, and the linear motor performs axial control motion according to position information of the left limit sensor plate and the right limit sensor plate sensed by the limit sensor.
4. The linear motor module of a side opening structure according to claim 1, wherein the bottom of the slide is connected to the stationary base by cross roller guides.
5. The linear motor module of claim 1, wherein an axial through hole is formed in the middle of the fixed base, the axial through hole is provided with a plurality of coils, the coils are fixed and insulated by the sealant, stator sliding covers are respectively disposed at two ends of the axial through hole, a groove for mounting a motor output line PCB is formed in the bottom of the fixed base, the motor output line PCB is fixed in the groove, and the coil lead is led out from the bottom of the fixed base and connected with the motor output line PCB;
one end of the sliding seat is connected with the rotor through a rotor fixing clamp, a through hole is formed in the rotor fixing clamp, a rotor end cover is arranged in the through hole, the rotor end cover is fixed on the rotor through an end cover screw, and anti-collision glue is arranged on the inner side face of the rotor fixing clamp.
6. The linear motor module of lateral opening structure as claimed in claim 1, wherein a weight spring is sleeved on the other end of the mover, the weight spring is fixed by a spring fixing cover, and the spring fixing cover is fixed on the mover by a fixing cover screw; when the linear motor is powered off, the counterweight spring can drive the rotor to reset.
7. The linear motor module of a side opening structure according to claim 1, wherein when the vent hole of the sidewall of the through hole is downwardly disposed, a transverse communication hole is formed at the bottom of the fixing base, and the transverse communication hole is communicated with the vent hole.
8. The linear motor module of a side opening structure according to claim 7, wherein the air vent or the transverse communication hole is connected to an air pipe through an air pipe joint, and when the transverse communication hole is connected to the air pipe, the air pipe is located at the bottom of the rotating motor; when the air vent is connected with an air pipe of the air pipe, the air pipe is positioned at the top of the rotating motor.
9. The linear motor module of claim 8, wherein the linear motor is capable of controlling the plurality of rotary suction devices to move axially at the same time.
CN201910080788.4A 2019-01-28 2019-01-28 Linear motor module with lateral opening structure Active CN109742921B (en)

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Application Number Priority Date Filing Date Title
CN201910080788.4A CN109742921B (en) 2019-01-28 2019-01-28 Linear motor module with lateral opening structure

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Application Number Priority Date Filing Date Title
CN201910080788.4A CN109742921B (en) 2019-01-28 2019-01-28 Linear motor module with lateral opening structure

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CN109742921B true CN109742921B (en) 2020-07-07

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Publication number Priority date Publication date Assignee Title
CN113067449B (en) * 2021-03-30 2022-05-27 深圳精技工业科技有限公司 High-precision up-and-down rotating motion device

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CN102869201B (en) * 2012-09-24 2015-03-11 江苏南极星科技有限公司 Module type high-speed mounting head for chip mounter
JP6166926B2 (en) * 2013-03-26 2017-07-19 山洋電気株式会社 Linear motor
CN104104208A (en) * 2013-04-08 2014-10-15 台达电子工业股份有限公司 Shaft-type linear motor

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Effective date of registration: 20230323

Address after: Room 522, 5/F, Building 1, Qimeng Entrepreneurship Center, Liangzhu Street, Yuhang District, Hangzhou City, Zhejiang Province 310000

Patentee after: Hangzhou Forward Intelligent Equipment Co.,Ltd.

Address before: Room 309, office building 1, zone a, Zhongda Marine Biotechnology R & D base, 9 Xincheng Avenue, Songshanhu high tech Industrial Development Zone, Dongguan City, Guangdong Province, 523000

Patentee before: DONGGUAN BEISHENG INTELLIGENT TECHNOLOGY Co.,Ltd.