CN209014021U - A kind of slidingtype absolute type encoder - Google Patents
A kind of slidingtype absolute type encoder Download PDFInfo
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- CN209014021U CN209014021U CN201822180851.5U CN201822180851U CN209014021U CN 209014021 U CN209014021 U CN 209014021U CN 201822180851 U CN201822180851 U CN 201822180851U CN 209014021 U CN209014021 U CN 209014021U
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Abstract
The utility model provides a kind of a kind of slidingtype absolute type encoder of slidingtype absolute type encoder, comprising: casing assembly receives PCB component, code-disc grating assembly, spindle assemblies, body assembly, locking ring assemblies, defining flange；The spindle assemblies are in hollow cylindrical, and the bottom of spindle assemblies is embedded in the axle center line position of body assembly, and body assembly is connect and fastening by locking ring assemblies with spindle assemblies.The utility model has sliding transmission agency, it wears small, long service life, high transmission accuracy, it is at low cost, and can effectively ensure that transmission index, it is widely used in vacuum, the aerospace without magnetic field requirements, robot control, the fields of measurement such as oil drilling well logging, military project, thus the problem and deficiency in effective solution existing apparatus.
Description
Technical field
The utility model relates to encoder techniques fields, more specifically, more particularly to a kind of slidingtype absolute encoding
Device.
Background technique
Encoder is to work out signal or data, be converted to the signal form that can be used to communication, transimission and storage
Equipment, absolute type encoder receive corresponding absolute value signal by code-disc grating using illuminator and handle by single-chip microcontroller
Obtain required absolute angle angle value.
Domestic air mail at present, the High Precision Absolute Encoder that space flight vacuum environment uses belongs to open position, conventional high
Precision encoding device running part uses stainless steel bearing.Bearing inner has ball lubricant, will lead to axis under vacuum state
The extraction of ball lubricant is held, contamination shines in decoder internal grating, encoder frame hopping is caused on recipient component, short circuit
Phenomena such as burning out damage, and large aperture bearing is expensive, causes large aperture encoder at high cost.
In view of this, being studied improvement for existing problem, a kind of slidingtype absolute type encoder is provided, original
Bearing-transmission mode be changed to the slidingtype kind of drive, realizing under vacuum conditions also being capable of normal use encoder, it is intended to logical
The technology is crossed, achieve the purpose that solve the problems, such as and improves practical value.
Utility model content
The purpose of this utility model is to provide a kind of slidingtype absolute type encoder, with solve to propose in background technique
Conventional bearing-transmission mode will lead to the extraction of bearing ball lubricant under vacuum conditions, be infected in decoder internal grating,
It shines, encoder frame hopping is caused on recipient component, phenomena such as short circuit is burnt out, and large aperture bearing is expensive, causes big
The problem of aperture encoder damage at high cost and deficiency.
To achieve the above object, the utility model provides a kind of slidingtype absolute type encoder, by technology in detail below
Means are reached:
A kind of slidingtype absolute type encoder, comprising: casing assembly receives PCB component, code-disc grating assembly, main shaft group
Part, body assembly, locking ring assemblies, defining flange；The spindle assemblies are in hollow cylindrical, and the bottom of spindle assemblies is inlayed
In the axle center line position of body assembly, and body assembly is connected by locking ring assemblies with spindle assemblies；The main shaft group
The outside in part middle position is provided with the defining flange of washer-shaped, and code-disc grating assembly is provided at the top of defining flange, and
And code-disc grating assembly is embedded on the outer wall of spindle assemblies；The top of the code-disc grating assembly is fixed with reception by screw
PCB component, and PCB component and spindle assemblies are received in clearance fit；Cylindrical housings are inlaid at the top of the spindle assemblies
The casing assembly of shape, and the bottom of casing assembly is embedded on the outer wall at the top of body assembly.
Preferably, the spindle assemblies are connected with body assembly by gap fiting mode, and spindle assemblies use H62
Copper material.
Preferably, the body assembly is in hollow cylindrical, and body assembly uses LV12 aluminium material.
Preferably, the locking ring assemblies are in washer-shaped, and lock ring assemblies and be embedded in the bottom end inside body assembly, and
And lock the bottom end that ring assemblies are embedded in spindle assemblies lateral wall simultaneously.
Preferably, the bottom end of the spindle assemblies is flushed with the bottom end of body assembly, and the top protrusion of spindle assemblies is outer
The top of shell component.
Preferably, the reception PCB component and code-disc grating assembly are arranged at the inside of casing assembly, and receive PCB
Component and code-disc grating assembly and casing assembly are in clearance fit.
Preferably, the bottom surface of the defining flange is flexibly connected with the top surface of body assembly, and the top surface of defining flange with
The bottom surface of code-disc grating assembly is flexibly connected.
Due to the application of the above technical scheme, the utility model has the advantage that compared with prior art
1, the utility model is connected with body assembly by gap fiting mode by setting spindle assemblies, realizes sliding
Formula transmission, and spindle assemblies and body assembly eliminate product axial gap and radial clearance using retaining ring, compared to traditional axis
Holding transmission can effectively ensure that transmission index, and can use under vacuum conditions, and encode compared to traditional bearing-type
Device is at low cost.
2, the utility model uses H62 copper material by setting spindle assemblies, and body assembly uses LV12 aluminium material, adding
It is heat-treated after the completion of work, improves the hardness of material, it is ensured that later period friction generates loss, and spindle assemblies are contacted with body assembly
Face tolerance guarantees that, in 0.005-0.008mm, surface smoothness improves the precision of transmission within 0.3 roughness.
3, the utility model has sliding transmission agency by the improvement to slidingtype absolute type encoder, and abrasion is small, makes
Long with the service life, high transmission accuracy is at low cost, and can effectively ensure that transmission index, is widely used in vacuum, without magnetic field requirements
Aerospace, robot control, the fields of measurement such as oil drilling well logging, military project, thus effective solution the utility model
The problem of being proposed in background technique one and deficiency.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.In attached drawing
In:
Fig. 1 is the 95 slidingtype high-precision encoder total figure of outer diameter φ 165mm internal diameter φ of the utility model.
Fig. 2 is the 95 slidingtype high-precision encoder scheme of installation of outer diameter φ 165mm internal diameter φ of the utility model.
Fig. 3 is the bearing-transmission partial structural diagram of the utility model.
Fig. 4 is that the slidingtype of the utility model is driven partial structural diagram.
In figure: casing assembly 1 receives PCB component 2, code-disc grating assembly 3, spindle assemblies 4, body assembly 5, retaining ring
Component 6, defining flange 401.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
It should be noted that in the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or two
More than a；The instructions such as term " on ", "lower", "left", "right", "inner", "outside", " front end ", " rear end ", " head ", " tail portion "
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and simplification
Description, rather than the device or element of indication or suggestion meaning must have a particular orientation, constructed and grasped with specific orientation
Make, therefore should not be understood as limiting the present invention.
Meanwhile in the description of the present invention, unless otherwise clearly defined and limited, term " connected ", " connection "
It shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For the general of this field
For logical technical staff, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Referring to Figure 1 to Fig. 4, the utility model provides a kind of particular technique embodiment party of slidingtype absolute type encoder
Case:
A kind of slidingtype absolute type encoder, comprising: casing assembly 1 receives PCB component 2, code-disc grating assembly 3, main shaft
Component 4, body assembly 5, locking ring assemblies 6, defining flange 401；Spindle assemblies 4 are in hollow cylindrical, and spindle assemblies 4
Bottom is embedded in the axle center line position of body assembly 5, and body assembly 5 is connected by locking ring assemblies 6 with spindle assemblies 4
It connects；The outside in 4 middle position of spindle assemblies is provided with the defining flange 401 of washer-shaped, and the top of defining flange 401 is provided with
Code-disc grating assembly 3, and code-disc grating assembly 3 is embedded on the outer wall of spindle assemblies 4；The top of code-disc grating assembly 3 is logical
It crosses screw and is fixed with reception PCB component 2, and receive PCB component 2 and spindle assemblies 4 in clearance fit；The top of spindle assemblies 4
It is inlaid with the casing assembly 1 of cylindrical housings shape, and the bottom of casing assembly 1 is embedded on the outer wall at 5 top of body assembly.
Specifically, spindle assemblies 4 and body assembly 5 pass through gap fiting mode, and spindle assemblies 4 use H62 copper material,
Fig. 3 and Fig. 4 are please referred to, traditional bearing-transmission mode is changed to the slidingtype kind of drive, to avoid the rolling of vacuum state lower bearing
The extraction of pearl lubricant, contamination shine in decoder internal grating, encoder frame hopping, short circuit are caused to burn out on recipient component
Phenomena such as.
Specifically, body assembly 5 is in hollow cylindrical, and body assembly 5 uses LV12 aluminium material, spindle assemblies 4 and master
Body component 5 is heat-treated after processing is completed, improves the hardness of material, reduces abrasion, and spindle assemblies 4 connect with body assembly 5
In 0.005-0.008mm, surface smoothness is arranged within 0.3 roughness for the clearance fit tolerance setting of contacting surface.
Specifically, locking ring assemblies 6 are in washer-shaped, and lock ring assemblies 6 and are embedded in the bottom end inside body assembly 5, and
And the bottom end that ring assemblies 6 are embedded in 4 lateral wall of spindle assemblies simultaneously is locked, spindle assemblies and master are eliminated by locking ring assemblies 6
The axial gap and radial clearance of body component, to guarantee to be driven index.
Specifically, the bottom end of spindle assemblies 4 is flushed with the bottom end of body assembly 5, and shell is protruded on the top of spindle assemblies 4
The top of component 1.
Specifically, reception PCB component 2 and code-disc grating assembly 3 are arranged at the inside of casing assembly 1, and receive PCB group
Part 2 and code-disc grating assembly 3 and casing assembly 1 are in clearance fit.
Specifically, the bottom surface of defining flange 401 is flexibly connected with the top surface of body assembly 5, and the top surface of defining flange 401
It is flexibly connected with the bottom surface of code-disc grating assembly 3.
Specific implementation step:
The outer diameter of the device is φ 165, and maximum diameter of hole can accomplish φ 95, and product digit 24, precision is ± 2 ", resolution ratio
0.08 ", low transmission revolution is 60-120 revs/min, and staring torque is 6.5X10-3N.M (- 25 °), original bearing-transmission
Mode is changed to the slidingtype kind of drive, and realization is also able to use under vacuum conditions, compensates for domestic market for vacuum environment
The lower encoder vacancy used can be used in vacuum, and the aerospace of no magnetic field requirements, robot control, oil drilling well logging,
The fields of measurement such as military project.
In summary: a kind of slidingtype absolute type encoder passes through gap by setting spindle assemblies and body assembly
Fit system is connected, and realizes slidingtype transmission, and spindle assemblies and body assembly eliminate product axial gap using retaining ring
With radial clearance, transmission index can effectively ensure that compared to traditional bearing-transmission, and can use under vacuum conditions, and
And it is at low cost compared to traditional bearing-type encoder；H62 copper material is used by setting spindle assemblies, body assembly uses LV12
Aluminium material is heat-treated after processing is completed, improves the hardness of material, it is ensured that the later period friction generate loss, spindle assemblies with
Body assembly contact surface tolerance guarantees that, in 0.005-0.008mm, surface smoothness improves the essence of transmission within 0.3 roughness
Degree.The utility model has sliding transmission agency, wears small, service life by the improvement to slidingtype absolute type encoder
Long, high transmission accuracy is at low cost, and can effectively ensure that transmission index, is widely used in vacuum, the aviation without magnetic field requirements
Space flight, robot control, the fields of measurement such as oil drilling well logging, military project, thus occur in effective solution existing apparatus
Problem and shortage.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of slidingtype absolute type encoder, comprising: casing assembly (1), receive PCB component (2), code-disc grating assembly (3),
Spindle assemblies (4), body assembly (5), locking ring assemblies (6), defining flange (401)；It is characterized by: the spindle assemblies
It (4) is in hollow cylindrical, and the bottom of spindle assemblies (4) is embedded in the axle center line position of body assembly (5), and body assembly
(5) it is connected by locking ring assemblies (6) with spindle assemblies (4)；The outside in spindle assemblies (4) middle position is provided with pad
The defining flange (401) of round, and code-disc grating assembly (3) are provided at the top of defining flange (401), and code-disc grating group
Part (3) is embedded on the outer wall of spindle assemblies (4)；The top of the code-disc grating assembly (3) is fixed with by screw and receives PCB
Component (2), and receiving PCB component (2) and spindle assemblies (4) is in clearance fit；Circle is inlaid at the top of the spindle assemblies (4)
The casing assembly (1) of cylindrical shell shape, and the bottom of casing assembly (1) is embedded on the outer wall at the top of body assembly (5).
2. a kind of slidingtype absolute type encoder according to claim 1, it is characterised in that: the spindle assemblies (4) with
Body assembly (5) is connected in succession by gap fiting mode, and spindle assemblies (4) use H62 copper material.
3. a kind of slidingtype absolute type encoder according to claim 1, it is characterised in that: the body assembly (5) is in
Hollow cylindrical, and body assembly (5) uses LV12 aluminium material.
4. a kind of slidingtype absolute type encoder according to claim 1, it is characterised in that: the locking ring assemblies (6)
In washer-shaped, and locks ring assemblies (6) and be embedded in the internal bottom end of body assembly (5), and lock ring assemblies (6) while inlaying
In the bottom end of spindle assemblies (4) lateral wall.
5. a kind of slidingtype absolute type encoder according to claim 1, it is characterised in that: the spindle assemblies (4)
Bottom end is flushed with the bottom end of body assembly (5), and the top of top protrusion casing assembly (1) of spindle assemblies (4).
6. a kind of slidingtype absolute type encoder according to claim 1, it is characterised in that: the reception PCB component (2)
And code-disc grating assembly (3) is arranged at the inside of casing assembly (1), and receives PCB component (2) and code-disc grating assembly (3)
It is in clearance fit with casing assembly (1).
7. a kind of slidingtype absolute type encoder according to claim 1, it is characterised in that: the defining flange (401)
Bottom surface be flexibly connected with the top surface of body assembly (5), and the bottom of the top surface of defining flange (401) and code-disc grating assembly (3)
Face is flexibly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822180851.5U CN209014021U (en) | 2018-12-25 | 2018-12-25 | A kind of slidingtype absolute type encoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822180851.5U CN209014021U (en) | 2018-12-25 | 2018-12-25 | A kind of slidingtype absolute type encoder |
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| Publication Number | Publication Date |
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| CN209014021U true CN209014021U (en) | 2019-06-21 |
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| CN201822180851.5U Active CN209014021U (en) | 2018-12-25 | 2018-12-25 | A kind of slidingtype absolute type encoder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110978015A (en) * | 2019-12-12 | 2020-04-10 | 常州节卡智能装备有限公司 | Encoder and robot joint |
-
2018
- 2018-12-25 CN CN201822180851.5U patent/CN209014021U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110978015A (en) * | 2019-12-12 | 2020-04-10 | 常州节卡智能装备有限公司 | Encoder and robot joint |
| CN110978015B (en) * | 2019-12-12 | 2021-08-31 | 常州节卡智能装备有限公司 | Encoder and robot joint |
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