CN221170609U - Rotary reciprocating mechanism - Google Patents
Rotary reciprocating mechanism Download PDFInfo
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- CN221170609U CN221170609U CN202323399561.7U CN202323399561U CN221170609U CN 221170609 U CN221170609 U CN 221170609U CN 202323399561 U CN202323399561 U CN 202323399561U CN 221170609 U CN221170609 U CN 221170609U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 230000003044 adaptive effect Effects 0.000 claims abstract description 4
- 230000004888 barrier function Effects 0.000 claims description 38
- 230000006978 adaptation Effects 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 3
- 230000008602 contraction Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
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Abstract
The present utility model provides a rotary reciprocating mechanism, comprising: a frame body; the first rotating wheel and the second rotating wheel are respectively connected with the frame body in a rotating way, the radial length of the first rotating wheel is smaller than that of the second rotating wheel, and a driving shaft is arranged at the center of the second rotating wheel to be externally connected with the driving shaft for transmission; an adaptive belt is sleeved between the first rotating wheel and the second rotating wheel; the fixed end of cylinder sets up on the support body, and the flexible end and the belt swing joint of cylinder drive belt transmission. According to the utility model, the belt is driven by the linear motion of the cylinder, so that the second rotating wheel is driven under the action of the belt, and the standby device is driven by the driving shaft of the second rotating wheel, wherein the linear motion is converted into uniform circular motion by the extension and contraction of the cylinder, so that the clamping caused by the excessively low speed of the rotating cylinder is avoided.
Description
Technical Field
The utility model relates to the technical field of mechanical transmission, in particular to a rotary reciprocating mechanism.
Background
The rotary cylinder uses the driving force of air pressure to push the piston to make rotary motion in the cylinder, the standard rotary cylinder is used for a slow speed device, when the speed is low to a certain value, a phenomenon of blocking one ton occurs, the speed has a critical point, and the rotary cylinder works stably only when the speed is higher than the critical point. Chinese patent (publication No. CN 217801767U) discloses a movable gripper for an industrial robot, which drives the swing rod to swing through the rotary cylinder, so as to realize the left-right reciprocating motion of the whole mounting plate, however, the clamping is easily caused when the speed of the rotary cylinder is too low. The present utility model therefore proposes a rotary reciprocator to ameliorate the above problems.
Disclosure of utility model
Therefore, the technical problem to be solved by the utility model is to overcome the defect that the rotary reciprocating mechanism in the prior art is easy to cause clamping when a rotary cylinder is used, so as to provide the rotary reciprocating mechanism.
In order to solve the above-described problems, the present utility model provides a rotary reciprocation mechanism including:
A frame body;
The first rotating wheel and the second rotating wheel are respectively connected with the frame body in a rotating way, the radial length of the first rotating wheel is smaller than that of the second rotating wheel, and a driving shaft is arranged at the center of the second rotating wheel to be externally connected with the driving shaft for transmission; an adaptive belt is sleeved between the first rotating wheel and the second rotating wheel;
the fixed end of the air cylinder is arranged on the frame body, and the telescopic end of the air cylinder is movably connected with the belt to drive.
Preferably, the fixed end of the air cylinder is vertically arranged with the bottom of the frame body;
The first rotating wheel is arranged above the second rotating wheel, a rotating shaft is arranged at the center of the first rotating wheel, two ends of the rotating shaft are respectively connected with the frame body in a rotating mode, two ends of the driving shaft are respectively connected with two sides of the frame body in a rotating mode, one end of the driving shaft penetrates through one side of the frame body, and the distance between one end, close to the air cylinder, of the first rotating wheel and the distance between the second rotating wheel and the telescopic end of the air cylinder are the same.
Preferably, the telescopic end of the cylinder is provided with a U-shaped connecting piece, one side of the belt, which is close to the cylinder, is provided with a mounting piece, one end of the mounting piece is connected with the belt, the other end of the mounting piece is provided with a rotating connecting piece matched with the U-shaped connecting piece, and a bolt movable connection is arranged between the U-shaped connecting piece and the rotating connecting piece.
Preferably, the belt is provided with an L-shaped connecting piece near the second rotating wheel, one end of the L-shaped connecting piece is connected with the belt, the other end of the L-shaped connecting piece extends to one side of the frame body, a limiting block is arranged on one side of the second rotating wheel near the frame body, and when the second rotating wheel rotates, the second rotating wheel is limited to continue to rotate along the same direction when the L-shaped connecting piece rotates to a position abutting against the limiting block.
Preferably, the frame body is provided with a first L-shaped barrier strip and a second L-shaped barrier strip respectively, the first L-shaped barrier strip and the second L-shaped barrier strip are respectively arranged above and below the mounting piece along the height direction of the mounting piece, one ends of the first L-shaped barrier strip and the second L-shaped barrier strip are connected with one side of the frame body, the other ends of the first L-shaped barrier strip and the second L-shaped barrier strip extend to the other side of the frame body, and the first L-shaped barrier strip and the second L-shaped barrier strip are used for limiting the moving range of the mounting piece.
Preferably, the cylinder is an adjustable stroke cylinder.
The rotary reciprocating mechanism provided by the utility model has the following beneficial effects:
1. According to the utility model, the belt is driven by the linear motion of the cylinder, the second rotating wheel is rotated under the action of the belt, and the standby device is driven to realize transmission, wherein the linear motion is converted into uniform circular motion through the extension and contraction of the cylinder, so that the clamping caused by the too low speed of the rotating cylinder is avoided, and meanwhile, compared with a servo driving system, the cylinder has lower cost;
2. The utility model further limits the rotation of the limiting block through the L-shaped connecting piece after the L-shaped connecting piece is abutted against the limiting block, wherein the L-shaped connecting piece and the limiting block can be arranged by rotating the second rotating wheel for one circle, when the second rotating wheel rotates for one circle, the L-shaped connecting piece and the limiting block are abutted against each other, and then the cylinder changes the telescopic direction, so that the second rotating wheel rotates in the opposite direction, and the L-shaped connecting piece and the limiting block are abutted continuously, thereby realizing the rotary reciprocating motion of the second rotating wheel;
3. In the utility model, the mounting piece is respectively abutted with the first L-shaped barrier strip and the second L-shaped barrier strip in the telescopic process of the telescopic end so as to limit the telescopic stroke of the air cylinder, thereby completing the reciprocating motion of the second rotating wheel in a matched manner.
Drawings
FIG. 1 is a schematic perspective view of the general assembly of the present utility model;
FIG. 2 is a schematic elevational view of the present utility model;
FIG. 3 is a schematic view of the structural installation of the present utility model;
Fig. 4 is a schematic view of the structural installation of the present utility model.
The reference numerals are expressed as:
1. A frame body; 2. a first rotating wheel; 3. a second rotating wheel; 4. a drive shaft; 5. a belt; 6. a cylinder; 7. a rotating shaft; 8. a U-shaped connector; 9. a mounting member; 10. rotating the connecting piece; 11. a bolt; 12. an L-shaped connector; 13. a first L-shaped barrier strip; 14. a second L-shaped barrier strip; 14. and a limiting block.
Detailed Description
As shown in fig. 1 to 4, the present utility model provides a rotary reciprocation mechanism including:
a frame body 1;
The first rotating wheel 2 and the second rotating wheel 3 are respectively connected with the frame body 1 in a rotating way, the radial length of the first rotating wheel 2 is smaller than that of the second rotating wheel 3, and a driving shaft 4 is arranged at the center of the second rotating wheel 3 for external transmission; an adaptive belt 5 is sleeved between the first rotating wheel 2 and the second rotating wheel 3;
The fixed end of the air cylinder 6 is arranged on the frame body 1, and the telescopic end of the air cylinder 6 is movably connected with the belt 5 to drive. As shown in fig. 1 to 4, a rotary reciprocating mechanism comprises a frame 1, a first rotating wheel 2, a second rotating wheel 3 and an air cylinder 6, wherein the frame 1 is used for supporting the installation of each component, the first rotating wheel 2 and the second rotating wheel 3 are respectively installed on the frame 1 and are rotatably connected with the frame 1, the radial length of the first rotating wheel 2 is smaller than that of the second rotating wheel 3, so that the air cylinder 6 is driven under a belt 5 sleeved between the first rotating wheel 2 and the second rotating wheel 3, the fixed end of the air cylinder 6 is installed on the frame 1, the telescopic end of the air cylinder 6 is movably connected with the belt 5, the belt 5 is driven through the linear motion of the air cylinder 6, the second rotating wheel 3 is driven under the action of the belt 5, and the driving is realized through a driving shaft 4 of the second rotating wheel 3, wherein the linear motion is converted into uniform circular motion through the telescopic motion of the air cylinder 6, so that the blocking cost caused by the use of the rotary air cylinder with too low speed is avoided, and at the same time, the air cylinder 6 is lower than a servo driving system.
In some embodiments, the fixed end of the air cylinder 6 is vertically arranged between the bottom of the frame body 1; the first rotating wheel 2 is arranged above the second rotating wheel 3, a rotating shaft 7 is arranged at the center of the first rotating wheel 2, two ends of the rotating shaft 7 are respectively connected with the frame body 1 in a rotating mode, two ends of the driving shaft 4 are respectively connected with two sides of the frame body 1 in a rotating mode, one end of the driving shaft 4 penetrates through one side of the frame body 1, and the distances between one end, close to the air cylinder 6, of the first rotating wheel 2 and one end, close to the air cylinder 6, of the second rotating wheel 3 are the same as the distances between the air cylinder 6 and the telescopic ends of the air cylinder 6. As shown in fig. 1-4, the fixed end of the air cylinder 6 is vertically installed between the fixed end of the air cylinder 6 and the bottom of the frame 1, the first rotating wheel 2 is installed above the second rotating wheel 3, and the distances between the first rotating wheel 2 and the second rotating wheel 3, which are close to the air cylinder 6, and the telescopic ends of the air cylinder 6 are the same, so that a section of the belt 5 between the first rotating wheel 2 and the second rotating wheel 3, which is close to the air cylinder 6, is parallel to the telescopic travel of the air cylinder 6, so that the transmission of the belt 5 by the air cylinder 6 is smoother, wherein the rotating shaft 7 at the center of the first rotating wheel 2 enables the first rotating wheel 2 to be rotationally connected with the frame 1, the two ends of the driving shaft 4 are rotationally connected with the two sides of the frame 1 respectively, one end of the driving shaft 4 also penetrates through one side of the frame 1 to drive a device to be transmitted, and the relative size between the first rotating wheel 2 and the second rotating wheel 3 can be matched with the telescopic travel of the air cylinder 6, so that when the second rotating wheel 3 rotates for one circle, the telescopic ends of the air cylinder 6 can be extended or contracted to the corresponding lengths.
In some embodiments, the telescopic end of the cylinder 6 is provided with a U-shaped connecting piece 8, one side of the belt 5, which is close to the cylinder 6, is provided with a mounting piece 9, one end of the mounting piece 9 is connected with the belt 5, the other end of the mounting piece 9 is provided with a rotating connecting piece 10 which is matched with the U-shaped connecting piece 8, and a bolt 11 is movably connected between the U-shaped connecting piece 8 and the rotating connecting piece 10. As shown in fig. 1-4, the telescopic end of the cylinder 6 is provided with a U-shaped connecting member 8, one side of the belt 5 near the cylinder 6 is provided with a mounting member 9, one end of the mounting member 9 is connected with the belt 5, the other end of the mounting member 9 is provided with a rotating connecting member 10 adapted to the U-shaped connecting member 8, a bolt 11 is provided between the U-shaped connecting member 8 and the rotating connecting member 10, so that the U-shaped connecting member 8 and the rotating connecting member 10 are assembled when in use, and the U-shaped connecting member 8 and the rotating connecting member 10 are assembled through the bolt 11, wherein nuts are adapted to the bolt 11 to be fastened after the assembling.
In some embodiments, an L-shaped connecting piece 12 is disposed on the belt 5 near the second rotating wheel 3, one end of the L-shaped connecting piece 12 is connected with the belt 5, the other end of the L-shaped connecting piece 12 extends to one side of the frame 1, a limiting block is disposed on one side of the second rotating wheel 3 near the frame 1, and when the second rotating wheel 3 rotates, the second rotating wheel is limited to continue to rotate in the same direction when the L-shaped connecting piece 12 rotates to a position abutting against the limiting block. As shown in fig. 1-4, the belt 5 is provided with an L-shaped connecting piece 12 near the second rotating wheel 3, the L-shaped connecting piece 12 extends to one side of the frame body 1, a limiting block is arranged on one side of the second rotating wheel 3 near the frame body 1, when the second rotating wheel 3 rotates forward or backward, the L-shaped connecting piece 12 abuts against the limiting block to further rotate the limiting block, the L-shaped connecting piece 12 and the limiting block can be arranged in a way that the second rotating wheel 3 rotates for one circle, when the second rotating wheel 3 rotates for one circle, the L-shaped connecting piece 12 abuts against the limiting block, and then the cylinder 6 changes the telescopic direction, so that the second rotating wheel 3 rotates in the reverse direction, the L-shaped connecting piece 12 and the limiting block abut against each other, and the second rotating wheel 3 can rotate and reciprocate.
In some embodiments, the frame body 1 is provided with a first L-shaped barrier strip 13 and a second L-shaped barrier strip 14, the first L-shaped barrier strip 13 and the second L-shaped barrier strip 14 are respectively disposed above and below the mounting piece 9 along the height direction of the mounting piece 9, one ends of the first L-shaped barrier strip 13 and the second L-shaped barrier strip 14 are connected with one side of the frame body 1, and the other ends of the first L-shaped barrier strip 13 and the second L-shaped barrier strip 14 extend to the other side of the frame body 1, and the first L-shaped barrier strip and the second L-shaped barrier strip are used for limiting the moving range of the mounting piece. As shown in fig. 4, as another limiting method, the first L-shaped barrier strip 13 and the second L-shaped barrier strip 14 on the frame body 1 limit the telescopic travel of the telescopic end of the air cylinder 6, and the mounting member 9 is respectively abutted against the first L-shaped barrier strip 13 and the second L-shaped barrier strip 14 in the telescopic process of the telescopic end so as to limit the telescopic travel of the air cylinder 6 to cooperate to complete the reciprocating motion of the second rotating wheel 3.
In some embodiments, the cylinder 6 is an adjustable stroke cylinder 6. As shown in fig. 1 to 4, the cylinder 6 is a stroke-adjustable cylinder 6, which is commercially available and has a model number ACQJ, and an adjusting screw is connected to the cylinder 6 body through threads, and an adjusting nut is connected to the piston rod, and when the adjusting screw rotates, the adjusting nut moves along with the piston rod, so that the position of the piston is changed, and the stroke length of the cylinder 6 is controlled to adjust the stroke to cooperate with the completion of the reciprocating motion of the second rotating wheel 3.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model. The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (6)
1. A rotary reciprocator, comprising:
A frame body;
The first rotating wheel and the second rotating wheel are respectively connected with the frame body in a rotating way, the radial length of the first rotating wheel is smaller than that of the second rotating wheel, and a driving shaft is arranged at the center of the second rotating wheel to be externally connected with the driving shaft for transmission; an adaptive belt is sleeved between the first rotating wheel and the second rotating wheel;
the fixed end of the air cylinder is arranged on the frame body, and the telescopic end of the air cylinder is movably connected with the belt to drive.
2. The rotary reciprocating mechanism of claim 1, wherein:
the fixed end of the air cylinder is vertically arranged between the fixed end of the air cylinder and the bottom of the frame body;
The first rotating wheel is arranged above the second rotating wheel, a rotating shaft is arranged at the center of the first rotating wheel, two ends of the rotating shaft are respectively connected with the frame body in a rotating mode, two ends of the driving shaft are respectively connected with two sides of the frame body in a rotating mode, one end of the driving shaft penetrates through one side of the frame body, and the distance between one end, close to the air cylinder, of the first rotating wheel and the distance between the second rotating wheel and the telescopic end of the air cylinder are the same.
3. The rotary reciprocating mechanism of claim 1, wherein:
The telescopic end of cylinder is provided with the U-shaped connecting piece, the belt is close to one side of cylinder is provided with the installed part, the one end of installed part with the belt is connected, the other end of installed part be provided with the rotation connecting piece of U-shaped connecting piece adaptation, the U-shaped connecting piece with be provided with bolt swing joint between the rotation connecting piece.
4. The rotary reciprocating mechanism of claim 1, wherein:
The belt is close to the second rotation wheel is provided with an L-shaped connecting piece, one end of the L-shaped connecting piece is connected with the belt, the other end of the L-shaped connecting piece extends to one side of the frame body, the second rotation wheel is close to one side of the frame body and is provided with a limiting block, and when the second rotation wheel rotates, the second rotation wheel is limited to continue to rotate along the same direction when the L-shaped connecting piece rotates to the position abutting the limiting block.
5. A rotary reciprocation mechanism according to claim 3 wherein:
the novel movable rack is characterized in that a first L-shaped barrier strip and a second L-shaped barrier strip are respectively arranged on the rack body, the first L-shaped barrier strip and the second L-shaped barrier strip are respectively arranged above and below the mounting piece along the height direction of the mounting piece, one ends of the first L-shaped barrier strip and the second L-shaped barrier strip are connected with one side of the rack body, the other ends of the first L-shaped barrier strip and the second L-shaped barrier strip extend to the other side of the rack body, and the first L-shaped barrier strip and the second L-shaped barrier strip are used for limiting the moving range of the mounting piece.
6. The rotary reciprocating mechanism of claim 1, wherein:
The cylinder is a stroke-adjustable cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323399561.7U CN221170609U (en) | 2023-12-13 | 2023-12-13 | Rotary reciprocating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323399561.7U CN221170609U (en) | 2023-12-13 | 2023-12-13 | Rotary reciprocating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221170609U true CN221170609U (en) | 2024-06-18 |
Family
ID=91535827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323399561.7U Active CN221170609U (en) | 2023-12-13 | 2023-12-13 | Rotary reciprocating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221170609U (en) |
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2023
- 2023-12-13 CN CN202323399561.7U patent/CN221170609U/en active Active
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