CN210344202U - Mechanical uniform-speed reciprocating mechanism - Google Patents
Mechanical uniform-speed reciprocating mechanism Download PDFInfo
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- CN210344202U CN210344202U CN202020188344.0U CN202020188344U CN210344202U CN 210344202 U CN210344202 U CN 210344202U CN 202020188344 U CN202020188344 U CN 202020188344U CN 210344202 U CN210344202 U CN 210344202U
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- rotating shaft
- reciprocating mechanism
- platform
- rocker arms
- base
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Abstract
The utility model discloses a mechanical uniform reciprocating mechanism, which comprises a base, wherein three rotating shafts which are arranged in parallel are arranged above the base, and the three rotating shafts are a first rotating shaft, a second rotating shaft and a third rotating shaft in sequence; the first rotating shaft and the second rotating shaft are in chain transmission, and the second rotating shaft and the third rotating shaft are in transmission through a double-row chain; two adjacent lengthened pin shafts are arranged on the double rows of chains, rocker arms are arranged on the lengthened pin shafts, the rocker arms are in rolling fit with the lower end parts of the rocker arms, and the upper end parts of the rocker arms are hinged with the hinged supports; the hinged support is arranged on the lower surface of the platform, and the platform is in linear sliding fit with the guide rail through a sliding block arranged on the lower surface of the platform; the utility model provides a mechanical uniform reciprocating mechanism, which can avoid frequent reversing of the motor and improve the service life and reliability of the motor; the large-stroke uniform reciprocating motion can be realized; the application range of the reciprocating mechanism is improved.
Description
Technical Field
The utility model relates to a reciprocating mechanism, specific theory relates to a mechanical type reciprocating mechanism at uniform velocity belongs to mechanical structure technical field.
Background
At present, mechanisms which do uniform reciprocating motion are commonly used in the working occasions of casting, welding, spraying, carrying, assembling and the like, the forward and reverse rotation of a motor is generally controlled by an electric appliance, and the service life and the reliability of the motor are influenced by the frequent reversing of the motor; in addition, in the prior art, a cylinder or a hydraulic cylinder is adopted to realize uniform reciprocating motion, but the design is complex, the cost is high, the stroke is limited by a power output part, and the long-distance reciprocating motion cannot be realized. The prior art obviously has inconvenience and defects in practical use, so that improvement is needed.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a mechanical uniform reciprocating mechanism, which can avoid frequent reversing of the motor and improve the service life and reliability of the motor; the large-stroke uniform reciprocating motion can be realized; the application range of the reciprocating mechanism is improved.
For solving the technical problem, the utility model discloses a following technical scheme:
a mechanical uniform reciprocating mechanism comprises a base, wherein three rotating shafts which are arranged in parallel are arranged above the base, and the three rotating shafts sequentially comprise a first rotating shaft, a second rotating shaft and a third rotating shaft; the first rotating shaft and the second rotating shaft are in chain transmission, and the second rotating shaft and the third rotating shaft are in transmission through a double-row chain; two adjacent lengthened pin shafts are arranged on the double rows of chains, rocker arms are arranged on the lengthened pin shafts, the rocker arms are in rolling fit with the lower end parts of the rocker arms, and the upper end parts of the rocker arms are hinged with the hinged supports; the hinged support is arranged on the lower surface of the platform; the platform is in linear sliding fit with the guide rail through a sliding block arranged on the lower surface of the platform.
Further, the three rotating shafts are respectively supported and fixed through two bearing blocks, the bearing blocks are fixed on the upper surface of the first supporting seat through bolts, and the first supporting seat is fixed on the upper surface of the base through welding.
Furthermore, two ends of the guide rail are arranged on a second supporting seat, and the second supporting seat is fixed on the upper surface of the base; the height of the second supporting seat is greater than that of the first supporting seat.
Furthermore, one end of the first rotating shaft is connected with a driving motor through a coupler, and the driving motor is installed on the upper surface of the base.
Further, the axis of the rocker arm shaft is arranged in parallel with the second rotating shaft or the third rotating shaft.
The utility model adopts the above technical scheme after, compare with prior art, have following advantage:
in the mechanical uniform-speed reciprocating mechanism provided by the utility model, the driving motor inputs power to the driving sprocket, the driving sprocket drives the rocker arm and the rocker arm shaft to move by driving the double-row chain, and further drives the platform to reciprocate on the linear guide rail, the driving motor does not need to rotate in the positive and negative directions in the reciprocating process, and only needs to rotate in one direction, so that the frequent reversing of the motor can be avoided, and the service life and the reliability of the motor are further improved; the utility model can realize the uniform reciprocating motion of large stroke, and the length of the stroke can be adjusted by changing the length of the double-row chain; the utility model has the advantages of simple and reasonable structure, operate steadily, simple installation, improved at the uniform velocity reciprocating mechanism's application scope greatly.
The present invention will be described in detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a front view of the structure of the present invention;
FIG. 3 is a top view of FIG. 2;
in the figure, 1-base, 2-first rotating shaft, 3-second rotating shaft, 4-third rotating shaft, 5-bearing seat, 6-first supporting seat, 7-driving chain wheel, 8-driven chain wheel, 9-driving double-row chain wheel, 10-driven double-row chain wheel, 11-double-row chain, 12-rocker shaft, 13-rocker, 14-platform, 15-hinged support, 16-sliding block, 17-guide rail and 18-second supporting seat.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.
Embodiment 1 a mechanical uniform reciprocating mechanism
As shown in fig. 1, fig. 2 and fig. 3 are common, the utility model provides a mechanical type reciprocating mechanism at uniform velocity, including base 1, three parallel arrangement's pivot is installed to base 1's top, and the axis of three pivots is in same plane, and three pivots include first pivot 2 in proper order, second pivot 3 and third pivot 4, and three pivots support fixedly through two bearing frame 5 respectively, and bearing frame 5 is through the upper surface of bolted fixation in first support seat 6, and first support seat 6 is through welded fixation in base 1's upper surface.
One end part of the first rotating shaft 2 is connected with a driving motor through a coupler, the driving motor is installed on the upper surface of the base 1, a driving chain wheel 7 is installed on the main body of the first rotating shaft 2, and the driving chain wheel 7 is in chain transmission with a driven chain wheel 8 through a chain; the driven chain wheel 8 is arranged on the main body of the second rotating shaft 3 and is arranged between the two bearing blocks 5; a driving double-row chain wheel 9 is mounted on one shaft head of the second rotating shaft 3, the driving double-row chain wheel 9 is in chain transmission with a driven double-row chain wheel 10 through a double-row chain 11, and the driven double-row chain wheel 10 is mounted on one shaft head of the third rotating shaft 4; the driving motor drives the first rotating shaft 2 to rotate, and the first rotating shaft 2 sequentially drives the second rotating shaft 3 and the third rotating shaft 4 to rotate through chain transmission.
The double-row chain 11 is provided with two adjacent lengthened pin shafts, the lengthened pin shafts are provided with rocker arms 12, the axes of the rocker arms 12 are arranged in parallel with the second rotating shaft 3 or the third rotating shaft 4, and the rotation of the double-row chain 11 drives the rocker arms 12 to rotate; the rocker arm shaft 12 is in rolling fit with the lower end part of the rocker arm 13, and the lower end part of the rocker arm 13 can rotate along the rocker arm shaft 12; the upper end of the rocker arm 13 is hinged with a hinged support 15, and the upper end of the rocker arm 13 can rotate for a certain angle along the hinged support 15; the hinged support 15 is arranged on the lower surface of the platform 14; the platform 14 is of a square plate-shaped structure, a sliding block 16 is respectively arranged below four corners of the platform 14, and the sliding block 16 is in linear sliding fit with a guide rail 17; two ends of the guide rail 17 are mounted on a second support seat 18, and the second support seat 18 is fixed on the upper surface of the base 1 through welding; the height of the second supporting seat 18 is greater than that of the first supporting seat 6; the direction of movement of the platform 14 is arranged perpendicular to the axis of the first shaft 2.
The utility model discloses a concrete theory of operation:
the driving motor inputs power to the driving chain wheel 7, the driving chain wheel 7 transmits the power to the driven chain wheel 8 through chain transmission, and simultaneously drives the double-row chain wheel 4 to realize the motion of the double-row chain 11; the double-row chain 11 transmits the motion to the rocker shaft 12, the rocker shaft 12 drives the rocker 13 to move, and the rocker 13 drives the platform 14 above to reciprocate along the linear guide rail 17; if the driving sprocket 7 runs clockwise, the upper half section of the double-row chain 11 drives the rocker arm 13 and the rocker arm shaft 12 to move rightwards and push the platform 14 to move rightwards at a constant speed, when the rocker arm 13 crosses the quadrant point of the driven double-row sprocket 10, the rocker arm 13 and the rocker arm shaft 12 start to move backwards, and after the rocker arm 13 and the platform 14 start to move leftwards at a constant speed after entering the lower half section of the double-row chain 11, the double-row chain 11 drags the rocker arm 13 and the platform 14 to move leftwards at a constant.
The foregoing is illustrative of the best mode of the invention, and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The protection scope of the present invention is subject to the content of the claims, and any equivalent transformation based on the technical teaching of the present invention is also within the protection scope of the present invention.
Claims (5)
1. The utility model provides a mechanical type reciprocating mechanism at uniform velocity, includes base (1), its characterized in that: three rotating shafts which are arranged in parallel are arranged above the base (1), and the three rotating shafts are a first rotating shaft (2), a second rotating shaft (3) and a third rotating shaft (4) in sequence; the first rotating shaft (2) and the second rotating shaft (3) are in chain transmission, and the second rotating shaft (3) and the third rotating shaft (4) are in transmission through a double-row chain (11); two adjacent lengthened pin shafts are arranged on the double-row chain (11), rocker arms (12) are mounted on the lengthened pin shafts, the rocker arms (12) are in rolling fit with the lower end parts of the rocker arms (13), and the upper end parts of the rocker arms (13) are hinged with the hinged support (15); the hinged support (15) is arranged on the lower surface of the platform (14); the platform (14) is in linear sliding fit with the guide rail (17) through a sliding block (16) arranged on the lower surface of the platform.
2. The mechanical uniform-speed reciprocating mechanism as claimed in claim 1, characterized in that: the three rotating shafts are respectively supported and fixed through two bearing blocks (5), the bearing blocks (5) are fixed on the upper surface of the first supporting seat (6) through bolts, and the first supporting seat (6) is fixed on the upper surface of the base (1).
3. A mechanical uniform reciprocating mechanism as claimed in claim 2, wherein: two ends of the guide rail (17) are arranged on a second supporting seat (18), and the second supporting seat (18) is fixed on the upper surface of the base (1); the height of the second supporting seat (18) is greater than that of the first supporting seat (6).
4. The mechanical uniform-speed reciprocating mechanism as claimed in claim 1, characterized in that: one end of the first rotating shaft (2) is connected with a driving motor through a coupler, and the driving motor is installed on the upper surface of the base (1).
5. The mechanical uniform-speed reciprocating mechanism as claimed in claim 1, characterized in that: the axis of the rocker arm shaft (12) is arranged in parallel with the second rotating shaft (3) or the third rotating shaft (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020188344.0U CN210344202U (en) | 2020-02-20 | 2020-02-20 | Mechanical uniform-speed reciprocating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020188344.0U CN210344202U (en) | 2020-02-20 | 2020-02-20 | Mechanical uniform-speed reciprocating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210344202U true CN210344202U (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020188344.0U Active CN210344202U (en) | 2020-02-20 | 2020-02-20 | Mechanical uniform-speed reciprocating mechanism |
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| CN (1) | CN210344202U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111660397A (en) * | 2020-05-27 | 2020-09-15 | 许玉珍 | Even roast equipment of smoking of wooden wine case |
-
2020
- 2020-02-20 CN CN202020188344.0U patent/CN210344202U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111660397A (en) * | 2020-05-27 | 2020-09-15 | 许玉珍 | Even roast equipment of smoking of wooden wine case |
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