CN112392869A - Electromagnetic brake for injection molding motor - Google Patents
Electromagnetic brake for injection molding motor Download PDFInfo
- Publication number
- CN112392869A CN112392869A CN201910748297.2A CN201910748297A CN112392869A CN 112392869 A CN112392869 A CN 112392869A CN 201910748297 A CN201910748297 A CN 201910748297A CN 112392869 A CN112392869 A CN 112392869A
- Authority
- CN
- China
- Prior art keywords
- electromagnetic brake
- stator core
- motor
- injection molding
- coil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
- F16D27/10—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings
- F16D27/108—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings with axially movable clutching members
- F16D27/112—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings with axially movable clutching members with flat friction surfaces, e.g. discs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
- F16D27/14—Details
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/102—Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction brakes
- H02K7/1021—Magnetically influenced friction brakes
- H02K7/1023—Magnetically influenced friction brakes using electromagnets
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
- F16D2027/008—Details relating to the magnetic circuit, or to the shape of the clutch parts to achieve a certain magnetic path
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2250/00—Manufacturing; Assembly
- F16D2250/0061—Joining
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to an electromagnetic brake for an injection molding motor, which is used for braking a rotating shaft of the motor and comprises a stator core (2), a coil (3), an armature (4), a friction plate (5) and a baffle plate (6), wherein the coil (3) is arranged on a tooth part of the stator core (2); the armature (4) is arranged at a corresponding position of the coil (3) and can reciprocate along the axial direction of the stator core (2); friction disc (5) set up between armature (4) and baffle (6) and with rotation axis fixed connection, electromagnetic brake still include with stator core (2) the same lower piecemeal (1) of material, constitute the winding magnetic circuit jointly after this lower piecemeal (1) and stator core (2) laminating. Compared with the prior art, the invention has the advantages of compact structure, small thickness, good performance and the like.
Description
Technical Field
The invention relates to an electromagnetic brake, in particular to an electromagnetic brake for an injection molding motor.
Background
The injection molding motor adopts an injection molding process to wrap the motor winding with engineering plastics to replace a metal end cover of a traditional motor. The thickness from the winding of the injection molding motor to the end face is small, the whole thickness of the motor is small, and the structure of the whole machine is compact.
An electromagnetic brake is an important basic component, and is mainly used for precise control and braking of a rotating mechanism (such as a motor and the like).
When the electromagnetic brake is assembled with the injection molding motor, the mounting holes cannot be directly machined in the end part of the winding, and the electromagnetic brake needs to be connected through the adapter plate. And mounting threaded holes are punched in the rear cover of the motor, the adapter plate is fixed to the motor by screws, and the electromagnetic brake is fixed to the adapter plate by screws. In the prior art, because the adapter plate is required to be connected, the whole thickness of the motor is increased, so that the injection molding motor no longer has the advantage of compact structure.
Disclosure of Invention
The present invention aims to overcome the defects of the prior art and provide an electromagnetic brake for an injection-molded motor, which has a compact structure, a small thickness and good performance.
The purpose of the invention can be realized by the following technical scheme:
an electromagnetic brake for an injection molding motor is used for braking a rotating shaft of the motor and comprises a stator core, a coil, an armature, a friction plate and a baffle plate, wherein the coil is arranged on a tooth part of the stator core; the armature is arranged at the corresponding position of the coil and can reciprocate along the axial direction of the stator core; the friction plate is arranged between the armature and the baffle plate and is fixedly connected with the rotating shaft; the electromagnetic brake also comprises a lower block made of the same material as the stator core, and the lower block and the stator core are attached to form a winding magnetic circuit together.
Preferably, the lower sub-block is fixedly connected with the injection molding motor through a countersunk head screw.
Preferably, the head of the countersunk head screw is mounted in the lower block.
Preferably, the thickness of the lower sub-block is the same as that of the head of the countersunk head screw.
Preferably, the number of the countersunk head screws is 3.
Preferably, the baffle is fixedly connected with the stator core through a first screw.
Preferably, the number of the first screws is set to be 3.
Preferably, the stator core is fixedly connected with the lower sub-block through a second screw.
Preferably, the number of the second screws is set to 3.
Compared with the prior art, the invention has the following advantages:
the structure is compact, the thickness is small: according to the invention, the electromagnetic brake is arranged into a split structure, the stator core yoke part of the electromagnetic brake in the prior art is divided into two parts, and the head part of the countersunk screw head can be hidden in the lower sub-block by setting the thickness of the lower sub-block, so that the compact structure of the whole machine is ensured.
Secondly, the performance is good: the lower sub-blocks are made of the same material as the stator core and are tightly attached to the stator core after being assembled to form a winding magnetic circuit, and the thickness of the combined yoke part is the same as that of the yoke part in the prior art, so that the suction force of the electromagnetic brake is guaranteed.
Drawings
FIG. 1 is a schematic structural diagram of an electromagnetic brake according to the present invention;
FIG. 2 is a side view of the electromagnetic brake of the present invention;
FIG. 3 is another side view of the electromagnetic brake of the present invention;
fig. 4 is a schematic structural view of the electromagnetic brake of the present invention when mounted on an injection molding motor.
The reference numbers in the figures indicate:
1. the stator comprises a lower block 2, a stator core 3, a coil 4, an armature 5, a friction plate 6, a baffle 7 and a countersunk screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.
The invention aims to provide an electromagnetic brake for an injection molding motor, which can solve the problem that an adapter plate is required when the existing electromagnetic brake is applied to the injection molding motor.
The structure of the electromagnetic brake is shown in figure 1, and comprises a lower block 1, a stator core 2, a coil 3, an armature 4, a friction plate 5, a baffle 6 and a rotating shaft, wherein the lower block 1 and the stator core 2 jointly form a winding magnetic circuit; the coil 3 is mounted on the tooth part of the stator core 2; the armature 4 is arranged at a corresponding position of the coil 3 and can reciprocate along the axial direction of the stator core 2; the friction plate 5 is arranged between the armature 4 and the baffle 6 and is fixedly connected with the rotating shaft, and the stator core 2 and the coil 3 achieve the purpose of braking the rotating shaft of the motor by controlling the friction plate 5 through the armature 4.
As can be seen from the two side views of the electromagnetic brake, that is, fig. 2 and 3, the numbers of the countersunk head screws, the first screws and the second screws are all set to be 3, and in practical application, the numbers of the countersunk head screws, the first screws and the second screws can be respectively set according to practical situations, so that the device can be fastened together.
In the present embodiment, the electromagnetic brake is provided in a split structure, so that the stator core yoke of the electromagnetic brake in the related art is divided into two parts, and the countersunk screw head is hidden in the lower segment by setting the thickness of the lower segment. The lower sub-blocks are made of materials consistent with the stator core, and are tightly attached to the stator core after being assembled to form a winding magnetic circuit together.
As shown in fig. 4, the thickness of the yoke portion after assembly is the same as that of the prior art, and the same magnetic circuit as that of the prior art is ensured, so that the attraction force of the brake is not changed.
While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. An electromagnetic brake for an injection molding motor is used for braking a rotating shaft of the motor and comprises a stator core (2), a coil (3), an armature (4), a friction plate (5) and a baffle plate (6), wherein the coil (3) is arranged on a tooth part of the stator core (2); the armature (4) is arranged at a corresponding position of the coil (3) and can reciprocate along the axial direction of the stator core (2); the electromagnetic brake is characterized in that the electromagnetic brake further comprises a lower block (1) made of the same material as the stator core (2), and the lower block (1) and the stator core (2) are attached to form a winding magnetic circuit together.
2. An electromagnetic brake for an injection molding motor according to claim 1, characterized in that the lower segment (1) is fixedly connected with the injection molding motor by a countersunk head screw.
3. An electromagnetic brake for an injection moulding motor according to claim 2, characterised in that the head of the countersunk-head screw is mounted in the lower sub-block (1).
4. An electromagnetic brake for an injection moulding motor according to claim 2, characterised in that the thickness of the lower segment (1) is the same as the thickness of the countersunk-head screw head.
5. An electromagnetic brake for an injection molded motor as claimed in claim 2, wherein the number of said countersunk head screws is set to 3.
6. An electromagnetic brake for an injection molded electric machine according to claim 1, characterized in that the baffle (6) is fixedly connected with the stator core (2) by a first screw.
7. An electromagnetic brake for an injection molded motor as claimed in claim 6, wherein the number of said first screws is set to 3.
8. An electromagnetic brake for an injection molding electric machine according to claim 1, characterized in that the stator core (2) is fixedly connected with the lower segment (1) by a second screw.
9. An electromagnetic brake for an injection molded motor as claimed in claim 8, wherein the number of said second screws is set to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910748297.2A CN112392869A (en) | 2019-08-14 | 2019-08-14 | Electromagnetic brake for injection molding motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910748297.2A CN112392869A (en) | 2019-08-14 | 2019-08-14 | Electromagnetic brake for injection molding motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112392869A true CN112392869A (en) | 2021-02-23 |
Family
ID=74601307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910748297.2A Pending CN112392869A (en) | 2019-08-14 | 2019-08-14 | Electromagnetic brake for injection molding motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112392869A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114321225A (en) * | 2022-01-06 | 2022-04-12 | 广东美的白色家电技术创新中心有限公司 | Braking device, power assembly and equipment |
| CN114396442A (en) * | 2022-01-06 | 2022-04-26 | 广东美的白色家电技术创新中心有限公司 | Braking device, power assembly and equipment |
-
2019
- 2019-08-14 CN CN201910748297.2A patent/CN112392869A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114321225A (en) * | 2022-01-06 | 2022-04-12 | 广东美的白色家电技术创新中心有限公司 | Braking device, power assembly and equipment |
| CN114396442A (en) * | 2022-01-06 | 2022-04-26 | 广东美的白色家电技术创新中心有限公司 | Braking device, power assembly and equipment |
| CN114321225B (en) * | 2022-01-06 | 2024-03-19 | 广东美的白色家电技术创新中心有限公司 | Braking device, power assembly and equipment |
| CN114396442B (en) * | 2022-01-06 | 2024-03-19 | 广东美的白色家电技术创新中心有限公司 | Braking device, power assembly and equipment |
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