CN218207642U - Soft spacing adjustable worm gear drive mechanism - Google Patents
Soft spacing adjustable worm gear drive mechanism Download PDFInfo
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- CN218207642U CN218207642U CN202222510159.0U CN202222510159U CN218207642U CN 218207642 U CN218207642 U CN 218207642U CN 202222510159 U CN202222510159 U CN 202222510159U CN 218207642 U CN218207642 U CN 218207642U
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Abstract
The utility model relates to a worm gear and worm transmission mechanism with adjustable soft limit, which comprises a worm gear and a worm which are meshed with each other; the worm wheel is sleeved with the rotating shaft, the spring jacking piece, the first limiting adjusting piece and the second limiting adjusting piece are sequentially sleeved on the rotating shaft, matched fixed teeth are arranged on the surfaces, close to each other, of the first limiting adjusting piece and the second limiting adjusting piece to realize meshing of the first limiting adjusting piece and the second limiting adjusting piece, the spring jacking piece and the second limiting adjusting piece are both connected with the rotating shaft, a spring is sleeved on the rotating shaft, one end of the spring is connected with the spring jacking piece, and the other end of the spring is abutted to the first limiting adjusting piece; the first limiting adjusting piece is connected with the limiting piece, and the limiting piece is matched with the photoelectric switch connected to the support to send a limiting signal so as to limit the rotation angle. When the spring is compressed, the first limiting adjusting piece is separated from the second limiting adjusting piece and can rotate around the rotating shaft to change the limiting angle of the limiting piece, and when the spring is released, the first limiting adjusting piece resets, so that the structure realizes soft limiting and adjustment.
Description
Technical Field
The utility model relates to a revolving stage accessory technical field specifically is a soft spacing adjustable worm gear drive mechanism.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
Revolving stage formula transmission is provided with the sensing device who is used for controlling slew rate and turned angle threshold value usually, and in the use scene of difference, to the demand diverse of slew rate and turned angle threshold value for every set of revolving stage equipment all need design different soft spacing fixed knot and construct, the photoelectric switch of different positions and the spacing piece that triggers photoelectric switch promptly, thereby satisfy the demand of different use scenes, there is work efficiency low, problem with high costs.
SUMMERY OF THE UTILITY MODEL
In order to solve at least one technical problem that exists among the above-mentioned background, the utility model provides a soft spacing adjustable worm gear, the worm wheel cup joints on the rotation axis, the cover is established spring top piece in proper order on the rotation axis, a spring, first spacing regulating part and the spacing regulating part of second, first spacing regulating part and the spacing regulating part separation of second when the spring is compressed, can wind the spacing angle of rotation in order to change spacing piece, first spacing regulating part butt realizes both synchronous rotations on the spacing regulating part of second and through being close to the fixed tooth of one side mutually during spring release.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a worm gear transmission mechanism with adjustable soft limit, which comprises a worm wheel and a worm which are meshed with each other; the worm wheel is sleeved with the rotating shaft, the spring jacking piece, the first limiting adjusting piece and the second limiting adjusting piece are sequentially sleeved on the rotating shaft, matched fixed teeth are arranged on the surfaces, close to each other, of the first limiting adjusting piece and the second limiting adjusting piece to realize meshing of the first limiting adjusting piece and the second limiting adjusting piece, the spring jacking piece and the second limiting adjusting piece are both connected with the rotating shaft, a spring is sleeved on the rotating shaft, one end of the spring is connected with the spring jacking piece, and the other end of the spring is abutted to the first limiting adjusting piece; the first limiting adjusting piece is connected with the limiting piece, and the limiting piece is matched with the photoelectric switch connected to the support to send a limiting signal so as to limit the rotation angle.
The support comprises a bottom plate connected between a left vertical plate and a right vertical plate, a motor is arranged on the top surface of the bottom plate, a motor output shaft is connected with a motor belt wheel, the motor belt wheel is connected with a worm belt wheel through a synchronous belt, and the worm belt wheel is connected to one end of a worm.
The worm is positioned in the worm seat and is rotationally connected with the worm seat through a worm bearing.
The worm gear meshed with the worm is sleeved on the rotating shaft and fixedly connected with the rotating shaft, two ends of the rotating shaft are respectively connected with the left vertical plate and the right vertical plate through worm gear bearings, and the worm gear bearings are fixed on the corresponding left vertical plate and the right vertical plate through bearing pressing parts.
Still be equipped with the motor fixed plate on the bottom plate top surface, the motor fixed plate is arranged perpendicularly and is connected between left side riser and right side riser, is equipped with the through-hole that holds the through-hole that motor output shaft passed and the through-hole that the worm passed, and motor fixed plate top is equipped with photoelectric switch.
The photoelectric switch is connected with a controller of the motor, the limiting piece triggers the photoelectric switch to generate a signal and sends the signal to the controller, and the controller controls the motor to stop running through the signal triggered by the photoelectric switch, so that the worm and the worm wheel matched with the worm rotate to a set angle, and the limitation of the rotation angle is realized.
The worm wheel is located the rotation axis middle part, and the region between worm wheel and left side riser or the right side riser on the rotation axis is used for holding spring top tight piece, first spacing regulating part and the spacing regulating part of second.
The first limiting adjusting part is abutted against the second limiting adjusting part through a spring, and synchronous rotation is realized through the meshing effect that the first limiting adjusting part and the second limiting adjusting part are close to one face of the fixed gear.
When the first limiting adjusting piece moves along the axis of the rotating shaft and towards the direction of the spring jacking piece, the compression spring enables the first limiting adjusting piece and the second limiting adjusting piece to be separated and rotate around the rotating shaft to drive the limiting piece to change the position of the limiting piece relative to the rotating shaft, so that the limiting angle adjustment is realized; after the adjustment is finished, the first limiting adjusting piece is abutted to the second limiting adjusting piece through the spring to realize resetting.
Compared with the prior art, the above one or more technical schemes have the following beneficial effects:
1. when the spring is compressed, the first limiting adjusting piece is separated from the second limiting adjusting piece and can rotate around the rotating shaft to change the limiting angle of the limiting piece, when the spring is released, the first limiting adjusting piece abuts against the second limiting adjusting piece and synchronously rotates through the fixed teeth close to one surface, the position of the photoelectric switch triggering limiting is fixed, and soft limiting and adjustment are achieved through the structure.
2. After the limiting position is changed, the two axial ends of the spring and the first limiting adjusting piece are respectively meshed with the fixed teeth of the second limiting piece and the spring jacking piece fixed on the rotating shaft, and the two parts of structures realize synchronous rotation along with the rotating shaft, so that the automatic reset function after the limiting position is changed is stable and reliable.
3. The mode of adjusting the limit position changes the rotation angle limit position of the worm gear mechanism, and the photoelectric switch is fixed in position during adjustment, simple in structure and low in cost.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
Fig. 1 is a schematic perspective view of a transmission mechanism according to one or more embodiments of the present invention;
fig. 2 is a schematic front view of a transmission mechanism according to one or more embodiments of the present invention;
FIG. 3 is a schematic cross-sectional view of the transmission B-B of FIG. 2 according to one or more embodiments of the present disclosure;
fig. 4 is a schematic left-side structural view of a transmission mechanism according to one or more embodiments of the present invention;
fig. 5 isbase:Sub>A schematic cross-sectional structural view of the transmission mechanismbase:Sub>A-base:Sub>A in fig. 4 according to one or more embodiments of the present invention;
in the figure: 1-bearing pressing piece, 21-right vertical plate, 22-left vertical plate, 3-bottom plate, 4-motor belt wheel, 5-synchronous belt, 6-worm belt wheel, 7-photoelectric switch, 8-photoelectric switch fixing piece, 9-rotating shaft, 91-worm wheel bearing, 92-spring top tightening piece, 93-spring, 941-first limit adjusting piece, 942-second limit adjusting piece, 95-limit piece, 96-worm wheel, 10-motor, 11-cushion block, 12-worm seat, 13-worm, 131-first worm bearing, 132-second worm bearing.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As described in the background art, a turntable type transmission device is usually provided with a sensing device for controlling a rotation rate and a rotation angle threshold, and in different use scenes, requirements for the rotation rate and the rotation angle threshold are different, so that each set of turntable equipment needs to be designed with different soft limit fixing structures, namely, photoelectric switches at different positions and limit pieces for triggering the photoelectric switches, thereby meeting the requirements of different use scenes, and the problems of low working efficiency and high cost exist.
The following embodiment provides a soft spacing adjustable worm gear and worm drive mechanism, the worm wheel cup joints on the rotation axis, spring top piece is established to the cover in proper order on the rotation axis, a spring, first spacing regulating part and the spacing regulating part of second, spring one end is fixed with the spring top piece, the other end and first spacing regulating part butt, when the spring is compressed, first spacing regulating part separates with the spacing regulating part of second, can rotate the spacing angle in order to change spacing piece around the rotation axis, first spacing regulating part butt realizes both synchronous rotations on the spacing regulating part of second and through the fixed tooth that is close to the one side mutually during spring release.
The first embodiment is as follows:
as shown in fig. 1-5, the present embodiment aims to provide a worm and gear transmission mechanism with adjustable soft limit, which comprises a worm wheel and a worm which are meshed with each other; the worm wheel is sleeved with the rotating shaft, the spring jacking piece, the first limiting adjusting piece and the second limiting adjusting piece are sequentially sleeved on the rotating shaft, matched fixed teeth are arranged on the surfaces, close to each other, of the first limiting adjusting piece and the second limiting adjusting piece to realize meshing of the first limiting adjusting piece and the second limiting adjusting piece, the spring jacking piece and the second limiting adjusting piece are both connected with the rotating shaft, a spring is sleeved on the rotating shaft, one end of the spring is connected with the spring jacking piece, and the other end of the spring is abutted to the first limiting adjusting piece; the first limiting adjusting piece is connected with the limiting piece, and the limiting piece is matched with the photoelectric switch connected to the support to send a limiting signal so as to limit the rotation angle.
The support comprises a bottom plate connected between a left vertical plate and a right vertical plate, a motor is arranged on the top surface of the bottom plate, a motor output shaft is connected with a motor belt wheel, the motor belt wheel is connected with a worm belt wheel through a synchronous belt, and the worm belt wheel is connected to one end of a worm.
The worm is positioned in the worm seat and is rotationally connected with the worm seat through a worm bearing.
The worm gear meshed with the worm is sleeved on the rotating shaft and fixedly connected with the rotating shaft, two ends of the rotating shaft are respectively connected with the left vertical plate and the right vertical plate through worm gear bearings, and the worm gear bearings are fixed on the corresponding left vertical plate and the right vertical plate through bearing pressing pieces.
Still be equipped with the motor fixed plate on the bottom plate top surface, the motor fixed plate is arranged perpendicularly and is connected between left side riser and right side riser, is equipped with the through-hole that holds the through-hole that motor output shaft passed and the through-hole that the worm passed, and motor fixed plate top is equipped with photoelectric switch.
The photoelectric switch is connected with a controller of the motor, the limiting piece triggers the photoelectric switch to generate a signal and sends the signal to the controller, and the controller stops running through the signal triggered by the photoelectric switch, so that the worm and the worm wheel matched with the worm rotate to a set angle, and the limitation of the rotation angle is realized.
The worm wheel is located the rotation axis middle part, and the area between worm wheel and left side riser or the right side riser on the rotation axis is used for holding spring top tight piece, first spacing regulating part and the spacing regulating part of second.
The first limiting adjusting piece is abutted to the second limiting adjusting piece through a spring, and synchronous rotation is achieved through the meshing effect of the first limiting adjusting piece and the second limiting adjusting piece which are close to one face of the fixed gear.
When the first limiting adjusting piece moves along the axis of the rotating shaft and towards the direction of the spring jacking piece, the compression spring enables the first limiting adjusting piece and the second limiting adjusting piece to be separated and rotate around the rotating shaft to drive the limiting piece to change the position of the limiting piece relative to the rotating shaft, so that the limiting angle adjustment is realized; after the adjustment is finished, the first limiting adjusting piece is abutted against the second limiting adjusting piece through the spring to realize resetting.
Specifically, the method comprises the following steps:
soft spacing adjustable worm gear drive mechanism, including right side riser 21 and left side riser 2, right side riser 21 and left side riser 22 are provided with bottom plate 3, bottom plate 3 and right side riser 21 bottom, left side riser 22 bottom respectively fixed connection. A motor fixing plate is arranged on the top surface of the bottom plate 3, and two sides of the motor fixing plate are respectively fixedly connected with the left vertical plate 22 and the right vertical plate 21. The motor fixing plate is fixedly provided with a motor 10, and the motor fixing plate is provided with a through hole through which a power output shaft of the motor 10 can pass.
The middle part of the top surface of the bottom plate 3 is symmetrically provided with two cushion blocks 11 in front and back, the cushion blocks 11 are fixedly connected with the bottom plate 3, a worm seat 12 is arranged above the cushion blocks 11, and the worm seat 12 is fixedly connected with the cushion blocks 11. The worm 13 is installed in the worm seat 12, and the worm 13 is rotatably connected with the worm seat 12 through a first worm bearing 131 and a second worm bearing 132. The worm 13 passes the motor fixed plate and extends to the motor fixed plate outside, and passes the mounting hole in the middle part of worm band pulley 6, and worm band pulley 6 and worm 13 fixed connection are provided with hold-in range 5 between worm band pulley 6 and the motor band pulley 4, and hold-in range 5 transmits the rotation of the power output shaft of motor 10 to worm 13 on to realize the transmission.
Semicircular grooves are respectively formed in the upper portions of the left vertical plate 22 and the right vertical plate 21, worm bearings 91 are respectively and fixedly arranged in the grooves, bearing pressing parts 1 are arranged above the worm bearings 91, the worm bearings 91 are respectively and fixedly connected with the left vertical plate 22 and the right vertical plate 21 through bolt threads, a rotating shaft 9 is sleeved in an inner hole of each worm bearing 91, a worm wheel 96 is sleeved in the middle of the rotating shaft 9, and the worm wheel 96 is in gear meshing connection with the worm 13.
The rotation axis 9 is located between worm wheel 96 and left side riser 22 and is equipped with first spacing regulating part 941 and second spacing regulating part 942 in a sleeved manner, second spacing regulating part 942 passes through bolt thread fixed connection with rotation axis 9, first spacing regulating part 941 and second spacing regulating part 942 all become the ring structure, the one side that first spacing regulating part 941 and second spacing regulating part 942 are close to all is provided with the fixed tooth, and first spacing regulating part 941 and the meshing of the accessible fixed tooth of second spacing regulating part 942, set up the screw hole on the first spacing regulating part 941, this screw hole of spacing piece 95 through the bolt-in and first spacing regulating part 941 fixed connection, the cover is equipped with spring 93 between first spacing regulating part 941 and the interior riser, utilize spring 93 to make first spacing regulating part 941 butt on second spacing regulating part 942, and make both be driven by rotation axis 9 to realize synchronous rotation through the meshing of the fixed tooth that both are close to one side mutually.
Furthermore, a spring top member 92 is sleeved on the rotating shaft 9, the spring top member 92 is fixedly connected with the rotating shaft 9, one side of the spring 93 is connected to the spring top member 92, and the other side of the spring 93 abuts against the first limit adjusting member 941, so that the first limit adjusting member 941 can rotate around the rotating shaft 9 to change the position of the limit sheet 95 relative to the rotating shaft 9, and the spring 93 can be used for automatically resetting the first limit adjusting member 941 and keeping the abutting state with the second limit adjusting member 942,
further, the rotating shaft 9 is of a hollow cylindrical structure, the rotating shaft 9 is provided with a strip-shaped hole, and the inside of the rotating shaft is hollow so that wiring of a control line is facilitated.
The working process is as follows:
the first limiting adjusting part 941 is pulled towards one side of the spring jacking part 92, so that the second limiting adjusting part 942 is separated from the first limiting adjusting part 941, the spring 93 is compressed, then the first limiting adjusting part 941 rotates around the rotating shaft 9 to change the angle, the position of the limiting sheet 95 relative to the rotating shaft 9 is changed, the position of the first limiting adjusting part 941 is slowly restored, the first limiting adjusting part 941 is abutted with the second limiting adjusting part 942 again to realize meshing, after meshing, the position of the limiting sheet 95 relative to the rotating shaft 9 is changed, the position of the limiting sheet 95 triggering the photoelectric switch 7 is changed accordingly, and the rotating angle of the rotating shaft 9 when triggering and stopping is changed; through supplying power to the motor 10, the rotating shaft 9 starts to rotate, and when the limiting sheet 95 passes through the photoelectric switch 7, the motor 10 stops working, so that the control of the rotating angle is realized.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a soft spacing adjustable worm gear drive mechanism which characterized in that: comprises a worm wheel and a worm which are meshed with each other; the worm wheel is sleeved with the rotating shaft, the spring jacking piece, the first limiting adjusting piece and the second limiting adjusting piece are sequentially sleeved on the rotating shaft, matched fixed teeth are arranged on the surfaces, close to each other, of the first limiting adjusting piece and the second limiting adjusting piece to realize meshing of the first limiting adjusting piece and the second limiting adjusting piece, the spring jacking piece and the second limiting adjusting piece are both connected with the rotating shaft, a spring is sleeved on the rotating shaft, one end of the spring is connected with the spring jacking piece, and the other end of the spring is abutted to the first limiting adjusting piece; the first limiting adjusting piece is connected with the limiting piece, and the limiting piece is matched with the photoelectric switch connected to the support to send a limiting signal so as to limit the rotation angle.
2. A worm drive with adjustable soft limit as claimed in claim 1 wherein: the support comprises a bottom plate connected between a left vertical plate and a right vertical plate, a motor is arranged on the top surface of the bottom plate, a motor output shaft is connected with a motor belt wheel, the motor belt wheel is connected with a worm belt wheel through a synchronous belt, and the worm belt wheel is connected to one end of a worm.
3. A worm drive with adjustable soft limit as claimed in claim 1 wherein: the worm is located inside the worm seat and is in rotating connection with the worm seat through a worm bearing.
4. A worm gear drive with adjustable soft limit as claimed in claim 2, wherein: the worm gear meshed with the worm is sleeved on the rotating shaft and fixedly connected with the rotating shaft, two ends of the rotating shaft are respectively connected with the left vertical plate and the right vertical plate through worm gear bearings, and the worm gear bearings are fixed on the corresponding left vertical plate and the right vertical plate through bearing pressing pieces.
5. A worm gear drive with adjustable soft limit as claimed in claim 2, wherein: still be equipped with the motor fixed plate on the bottom plate top surface, the motor fixed plate is arranged perpendicularly and is connected between left side riser and right side riser, and motor fixed plate top is equipped with photoelectric switch.
6. A worm drive with adjustable soft limit as claimed in claim 5 wherein: and a through hole for accommodating the motor output shaft to pass through and a through hole for the worm to pass through are formed in the motor fixing plate.
7. A worm drive with adjustable soft limit as claimed in claim 5 wherein: the photoelectric switch is connected with a controller of the motor, the limiting sheet triggers the photoelectric switch to generate a signal and sends the signal to the controller, and the controller controls the motor to stop running through the signal triggered by the photoelectric switch, so that the worm and the worm wheel matched with the worm rotate to a set angle, and the limitation of the rotation angle is realized.
8. A worm gear drive with adjustable soft limit as claimed in claim 2, wherein: the worm wheel is located the rotation axis middle part, and the region between worm wheel and left side riser or right side riser on the rotation axis is used for holding spring top tight piece, first spacing regulating part and the spacing regulating part of second.
9. A worm gear drive with adjustable soft limit as claimed in claim 1, wherein: the first limiting adjusting piece is abutted against the second limiting adjusting piece through a spring, and synchronous rotation is realized through the meshing effect that the first limiting adjusting piece and the second limiting adjusting piece are close to one face of the fixed gear.
10. A worm gear drive with adjustable soft limit as claimed in claim 1, wherein: when the first limiting adjusting piece moves along the axis of the rotating shaft and towards the direction of the spring jacking piece, the compression spring enables the first limiting adjusting piece and the second limiting adjusting piece to be separated and rotate around the rotating shaft to drive the limiting piece to change the position of the limiting piece relative to the rotating shaft, so that the limiting angle adjustment is realized; after the adjustment is finished, the first limiting adjusting piece is abutted against the second limiting adjusting piece through the spring to realize resetting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222510159.0U CN218207642U (en) | 2022-09-21 | 2022-09-21 | Soft spacing adjustable worm gear drive mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222510159.0U CN218207642U (en) | 2022-09-21 | 2022-09-21 | Soft spacing adjustable worm gear drive mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218207642U true CN218207642U (en) | 2023-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222510159.0U Active CN218207642U (en) | 2022-09-21 | 2022-09-21 | Soft spacing adjustable worm gear drive mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218207642U (en) |
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2022
- 2022-09-21 CN CN202222510159.0U patent/CN218207642U/en active Active
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