Assembly assembly for adjusting distance between dynamic and static discs of encoder

Abstract

The utility model, which belongs to the technical field of the encoder, discloses an assembly for adjusting the distance between a dynamic disc and a static disc of an encoder, comprising a chassis and a driving shaft arranged in the chassis, and the surface of the driving shaft is provided with a dynamic disc body. The shell and the lantern ring are matched through the locking assembly, so that when a worker debugs the distance between the static disc body and the movable disc body, the static disc body can be close to or away from the movable disc body only by screwing the shell to enable the lantern ring to be matched with threads in the lantern ring, and debugging of multiple point positions one by one is not needed; the scale on the surface of the shell and the pointer on the lantern ring are matched, so that a worker can conveniently observe the debugging value, the debugging accuracy of the distance between the movable disc body and the static disc body can be improved, and meanwhile, the overall operation is simple, convenient and rapid; after the distance between the movable disc body and the static disc body is debugged, the position of the static disc body can be guaranteed by matching the hydraulic oil in the groove hole of the chassis with the connecting rod, and displacement caused by vibration of equipment or machinery is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to encoder technical field, concretely relates to a kind of encoder moving and static disc spacing adjustment assembly. BACKGROUND

[0002] Encoder is the signal or data is arranged, converted into the signal form available to communication, transmission and storage equipment.Encoder converts angular displacement or linear displacement into electrical signal, the former is called code disc, and the latter is called code ruler.According to the reading mode, encoder can be divided into contact type and non-contact type;According to working principle, encoder can be divided into incremental and absolute two categories.Incremental encoder is converted into periodic electrical signal by displacement, and this electrical signal is changed into counting pulse, and the number of pulse is used to indicate the size of displacement.Absolute encoder corresponds to a certain digital code for each position, so its indication is only related to the starting and terminal position of measurement, and is independent of the intermediate process of measurement.

[0003] After searching, Chinese patent "a kind of encoder moving and static disc body spacing adjustment structure" authorized announcement number "CN222087029U" the utility model discloses a kind of encoder moving and static disc body spacing adjustment structure, for adjusting the relative position between encoder moving disc body, encoder static disc body, encoder moving disc body is installed on rotating shaft, encoder static disc body is equipped with reading head for reading encoder moving disc body information;Encoder static disc body is fastened to support seat by at least three screws, and elastic structure is further provided between encoder static disc body and support seat, wherein, the elastic structure is the elastic pad connected to screw.Relative to prior art, the utility model realizes the adjustment of the distance between encoder static disc body relative to encoder moving disc body by multiple circumferentially distributed screws, relative to the adjustment of the position between moving disc body and rotating shaft in prior art, the embodiment can realize the efficient and accurate reading of reading head to encoder moving disc body by directly adjusting the form of encoder static disc body, which is convenient and efficient.

[0004] Although the above-mentioned adjustment structure can adjust the spacing between the moving and static disc bodies by using bolts, the bolts need to be adjusted independently each time, which is not only cumbersome to operate, but also prone to cause angle deviation of the static disc body due to inconsistent torque, resulting in uneven contact surface of the moving and static disc bodies.

[0005] Therefore, the utility model designs a kind of encoder moving and static disc spacing adjustment assembly to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides a kind of encoder moving and static disc spacing adjustment assembly.

[0007] In order to achieve the above object, the utility model discloses the following technical scheme to realize:

[0008] A kind of encoder dynamic static disc spacing adjustment assembly, including chassis and the drive shaft being arranged in its interior, the surface of the drive shaft is provided with dynamic disc body, the side of the chassis is provided with static disc body, the surface of the chassis is opened with multiple slot holes;

[0009] Locking assembly, the locking assembly is arranged in the slot hole of chassis;

[0010] Wherein, locking assembly includes connecting rod sliding in the slot hole of chassis, one end of the connecting rod is penetrated to the outside of the slot hole of chassis and is fixedly connected with static disc body;

[0011] Further, the locking assembly further includes annular tube being arranged on the surface of chassis and being communicated with the slot hole of chassis by branch pipe, one end of the annular tube is communicated with valve by air pipe, and the valve is penetrated to the outside of static disc body;

[0012] Further, the locking assembly further includes spring being fixedly connected to one end of connecting rod, and the other end of the spring is fixedly connected with the inner wall of the slot hole of chassis;

[0013] Further, the slot hole of the chassis is annular array and is opened with six, and the slot hole is hydraulic oil hole;

[0014] Further, the side of the static disc body close to the dynamic disc body is provided with reading head for accurately measuring the gap or position change between the dynamic disc body and the static disc body, and the reading head is located below the axis of the static disc body;

[0015] Further, the side of the chassis close to the static disc body is fixedly connected with shell by bearing seat, the inner wall of the shell is screw design, the shell is screw-connected with sleeve ring, and the side of the sleeve ring close to the static disc body is fixedly connected with the static disc body;

[0016] Further, the surface of the shell is fixedly connected with scale, the top of the sleeve ring is provided with pointer, and the pointer corresponds with the scale;

[0017] Further, one end of the connecting rod in the slot hole of the chassis is of rubber material, and the rubber end of the connecting rod is abutted on the inner wall of the slot hole of the chassis. Beneficial effects

[0018] 1、Through the cooperation of the locking assembly, the shell and the ring, when the staff adjusts the distance between the static disc body and the dynamic disc body, only the shell needs to be twisted to make the ring and the internal threads cooperate with each other, so that the static disc body can be close to or away from the dynamic disc body, without the need for multiple point-by-point adjustments, and the scale on the surface of the shell and the pointer on the ring can cooperate to facilitate personnel to observe the adjustment value, so that the distance adjustment accuracy between the dynamic disc body and the static disc body can be improved, and the overall operation is simple and fast.

[0019] 2、After the distance between the dynamic disc body and the static disc body is adjusted, the hydraulic oil in the bottom disc slot hole can cooperate with the connecting rod to ensure the position of the static disc body, and displacement caused by equipment or mechanical vibration is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0021] Figure 1 It is a kind of encoder dynamic static disc spacing adjustment assembly main body structure perspective view;

[0022] Figure 2 It is a kind of encoder dynamic static disc spacing adjustment assembly internal structure perspective view of bottom disc;

[0023] Figure 3 It is a kind of encoder dynamic static disc spacing adjustment assembly structure perspective view of locking assembly;

[0024] Figure 4 It is Figure 3 Structure enlarged schematic view of A in the middle;

[0025] Figure 5 It is a kind of encoder dynamic static disc spacing adjustment assembly split structure perspective view of shell and ring;

[0026] The reference numerals in the drawings represent respectively:

[0027] 1, bottom disc;2, drive shaft;3, dynamic disc body;4, reading head;5, locking assembly;501, connecting rod;502, spring;503, ring pipe;504, valve;6, static disc body;7, ring;8, pointer;9, scale;10, shell. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0029] The utility model will be further described below in combination with embodiments.

[0030] In some embodiments, referring to the drawings attached Figures 1-5 A kind of encoder moving and static disc spacing adjustment assembly components, including chassis 1 and being arranged in its inside drive shaft 2, the surface of drive shaft 2 is provided with moving disc body 3, the side of chassis 1 is provided with static disc body 6, the surface of chassis 1 is provided with multiple slot holes;

[0031] Locking assembly 5, locking assembly 5 is arranged in the slot hole of chassis 1;

[0032] Among them, locking assembly 5 includes connecting rod 501 sliding horizontally in the slot hole of chassis 1, one end of connecting rod 501 is penetrated to the outside of the slot hole of chassis 1 and is fixedly connected with static disc body 6;

[0033] In the design of encoder, moving disc body 3, static disc body 6 and reading head 4 are three key components, which jointly act to realize accurate position or angle detection.Moving disc body 3 is usually connected with shaft and rotates with the rotation of shaft;Static disc body 6 is fixed and its surface is usually engraved with grating or line, for displacement detection;Reading head 4 is responsible for reading the change of grating or line on static disc body 6 and converting it into electrical signal, which is finally provided to control system for processing.Moving disc body 3 and static disc body 6 collect signals through physical contact or relative motion, and reading head 4 senses these changes in real time and converts them into digital signals.In order to ensure the high-precision work of encoder, the spacing between moving disc body 3 and static disc body 6 must be carefully adjusted.The purpose of adjusting this spacing is to ensure that reading head 4 can accurately read the information on static disc body 6.If the spacing is too large, reading head 4 may not effectively read the fine scale 9 or grating on static disc body 6, resulting in error in output signal and affecting the resolution of encoder;If the spacing is too small, reading head 4 and static disc body 6 may rub or collide, generating unnecessary noise or damaging components, further reducing the stability and precision of the system;

[0034] In some embodiments, as Figure 2 、 Figure 3 and Figure 4As shown, as a preferred embodiment of the utility model, the locking assembly 5 further comprises a ring pipe 503 arranged on the surface of the base plate 1 and communicated with the groove of the base plate 1 through a branch pipe, one end of the ring pipe 503 is communicated with a valve 504 through an air pipe, the valve 504 penetrates to the outside of the static disc body 6; when adjusting the distance between the dynamic disc body 3 and the static disc body 6, the shell 10 needs to be screwed first, at this time, the threads in the shell 10 will be engaged with the threads on the surface of the sleeve ring 7 to make the sleeve ring 7 drive the static disc body 6 to approach or move away from the dynamic disc body 3, when adjusting, the staff can observe the specific value through the pointer 8 cooperating with the scale 9, when the static disc body 6 approaches or moves away from the dynamic disc body 3, the connecting rod 501 will slide horizontally in the groove of the base plate 1, the groove of the base plate 1 is filled with hydraulic oil, after adjusting to the appropriate position, the valve 504 is closed, at this time, the air pressure in the groove of the base plate 1 will be locked, and the distance between the static disc body 6 and the dynamic disc body 3 will be fixed;

[0035] In the embodiment of the utility model, the locking assembly 5 further comprises a spring 502 fixedly connected to one end of the connecting rod 501, the other end of the spring 502 is fixedly connected with the inner wall of the groove of the base plate 1, through the spring 502, the connecting rod 501 can drive the static disc body 6 to reset when the valve 504 is opened by the subsequent personnel.

[0036] In the embodiment of the utility model, the groove of the base plate 1 is annular array and has six, the groove is hydraulic oil hole, by adding hydraulic oil in the groove, because the hydraulic oil has certain incompressibility, therefore can provide stability for the connecting rod 501 after the valve 504 is closed, and can also resist the vibration generated by external machinery or equipment.

[0037] In the embodiment of the utility model, the side of the static disc body 6 close to the dynamic disc body 3 is provided with a reading head 4 for accurately measuring the gap or position change between the dynamic disc body 3 and the static disc body 6, and the reading head 4 is located below the axis of the static disc body 6.

[0038] In the embodiment of the utility model, the side of the base plate 1 close to the static disc body 6 is fixedly connected with the shell 10 through a bearing seat, the inner wall of the shell 10 is designed as threads, the sleeve ring 7 is threadedly connected in the shell 10, the side of the sleeve ring 7 close to the static disc body 6 is fixedly connected with the static disc body 6, through the shell 10 cooperating with the sleeve ring 7, the staff can not need to debug one by one in multiple points when debugging, and the stability and consistency of the static disc body 6 during debugging can also be ensured.

[0039] In the embodiment of the utility model, the surface of the shell 10 is fixedly connected with the scale 9, the upper side of the sleeve ring 7 is provided with the pointer 8, the pointer 8 corresponds to the scale 9, through the scale 9 cooperating with the pointer 8, the staff can observe the scale 9 value corresponding to the pointer 8 to know the distance between the dynamic disc body 3 and the static disc body 6.

[0040] In the embodiment of the utility model, one end of the connecting rod 501 in the groove of the chassis 1 is made of rubber, and the rubber end of the connecting rod 501 is in close contact with the inner wall of the groove of the chassis 1.

[0041] The above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. An encoder moving and stationary disc spacing adjustment assembly comprising a base plate (1) and a drive shaft (2) disposed inside it, characterized in that: The surface of the driving shaft (2) is provided with a moving disc body (3), one side of the base plate (1) is provided with a static disc body (6), and a plurality of slot holes are formed in the surface of the base plate (1); A locking assembly (5) is arranged in the slot hole of the base plate (1); The locking assembly (5) includes a connecting rod (501) horizontally sliding in the slot hole of the base plate (1), one end of the connecting rod (501) penetrates to the outside of the slot hole of the base plate (1) and is fixedly connected with the static disc body (6).

2. The encoder moving plate to stationary plate spacing adjustment assembly of claim 1, wherein, The locking assembly (5) further includes a ring pipe (503) arranged on the surface of the base plate (1) and communicated with the slot hole of the base plate (1) through a branch pipe, one end of the ring pipe (503) is communicated with a valve (504) through an air pipe, and the valve (504) penetrates to the outside of the static disc body (6).

3. The encoder moving plate to stationary plate spacing adjustment assembly of claim 1, wherein, The locking assembly (5) further includes a spring (502) fixedly connected to one end of the connecting rod (501), and the other end of the spring (502) is fixedly connected with the inner wall of the slot hole of the base plate (1).

4. The encoder moving plate to stationary plate spacing adjustment assembly of claim 1, wherein, The slot hole of the base plate (1) is annularly arranged with six slot holes, and the slot hole is a hydraulic oil hole.

5. The encoder moving plate to stationary plate spacing adjustment assembly of claim 1, wherein, The static disc body (6) is provided with a reading head (4) near one side of the moving disc body (3) for accurately measuring the gap or position change between the moving disc body (3) and the static disc body (6), and the reading head (4) is located below the axis of the static disc body (6).

6. The encoder moving plate to stationary plate spacing adjustment assembly of claim 1, wherein, The base plate (1) is fixedly connected with an outer shell (10) through a bearing seat near one side of the static disc body (6), the inner wall of the outer shell (10) is designed in a screw thread, the outer shell (10) is screwed with a sleeve ring (7), and the sleeve ring (7) is fixedly connected with the static disc body (6) near one side of the static disc body (6).

7. The encoder moving plate to stationary plate spacing adjustment assembly of claim 6, wherein, The surface of the outer shell (10) is fixedly connected with a scale (9), the sleeve ring (7) is provided with a pointer (8) above, and the pointer (8) corresponds to the scale (9).

8. The encoder moving plate to stationary plate spacing adjustment assembly of claim 1, wherein, One end of the connecting rod (501) located in the slot hole of the base plate (1) is made of rubber, and the rubber end of the connecting rod (501) is arranged in close contact with the inner wall of the slot hole of the base plate (1).

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