CN215033341U - Chain feed mechanism - Google Patents
Chain feed mechanism Download PDFInfo
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- CN215033341U CN215033341U CN202120712217.0U CN202120712217U CN215033341U CN 215033341 U CN215033341 U CN 215033341U CN 202120712217 U CN202120712217 U CN 202120712217U CN 215033341 U CN215033341 U CN 215033341U
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- driven
- driving
- feeding
- driving wheel
- chain
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Abstract
The utility model relates to a chain processing equipment specifically discloses a chain feed mechanism. The chain feeding mechanism comprises a rack and a feeding driving wheel, wherein the feeding driving wheel is rotatably and movably connected with the rack; the driving device comprises a rotating main shaft which is rotatably and movably connected with the rack; the transmission assembly comprises a driving four-bar mechanism and a driven four-bar mechanism, wherein the driving four-bar mechanism comprises a driving crank, a driving connecting rod and a driving rocker, and the driving crank is connected with the rotating main shaft and synchronously rotates along with the rotating main shaft; the driven four-bar mechanism comprises a driven crank, a driven connecting rod and a driven sliding block, wherein the driven crank is connected with the feeding driving wheel and is in one-way transmission with the feeding driving wheel; the driven sliding block can slide relative to the frame under the pushing of the driving rocker. The chain feeding mechanism can realize automatic feeding during riveting and processing of the chain, and improves processing efficiency.
Description
Technical Field
The utility model relates to a chain processing equipment, concretely relates to chain feed mechanism.
Background
The chain is formed by connecting a plurality of chain links end to end in sequence, and two adjacent chain links are connected through a pin. In order to ensure the reliability of the connection, the pins are usually subjected to a riveting process. The riveting head process of present chain mainly carries out the operation through the mode that punch press and mould combined together, and this operation mode needs operating personnel to carry out the pay-off operation, and production speed is subject to staff's proficiency, has problems such as inefficiency, riveting head unstable quality, has very big potential safety hazard moreover.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a chain feed mechanism realizes the automatic feed of chain riveting man-hour, improves machining efficiency.
In order to solve the technical problem, the utility model provides a technical scheme as follows: a chain feeding mechanism comprises a rack and a feeding driving wheel, wherein the feeding driving wheel is rotatably and movably connected with the rack; the feeding device comprises a feeding driving wheel, a feeding driving wheel and a driving device, wherein the feeding driving wheel is arranged on the frame and is used for feeding the material to the feeding driving wheel;
also comprises a transmission component, the transmission component comprises a driving four-bar mechanism and a driven four-bar mechanism,
the driving four-bar mechanism comprises a driving crank, a driving connecting rod and a driving rocker, wherein the driving crank is connected with the rotating main shaft and synchronously rotates along with the rotating main shaft;
the driven four-bar mechanism comprises a driven crank, a driven connecting rod and a driven sliding block, wherein the driven crank is connected with the feeding driving wheel and is in one-way transmission with the feeding driving wheel; the driven sliding block can slide relative to the frame under the pushing of the driving rocker.
The rotary main shaft pushes the feeding driving wheel to rotate through the transmission assembly, so that automatic feeding of the chain is realized, and the processing efficiency is improved. The rotary main shaft is perpendicular to the rotary center of the feeding driving wheel, and the motion steering is realized through the matching of the driving four-bar mechanism and the driven four-bar mechanism, so that the rotary main shaft can be better matched with the main power of the riveting machine, and conditions are created for the linkage of the feeding mechanism and the riveting head processing module.
Preferably, the feeding driving wheel is a chain wheel, the chain wheel and the chain can be directly matched and connected, the matching performance is good, and the structure can be simplified to the maximum extent. For chains with different specifications, the corresponding chain wheel can be replaced.
Preferably, the feeding driving wheel comprises a central shaft which synchronously rotates, and the driven crank is sleeved on the central shaft and can rotate relative to the central shaft; the feeding mechanism is characterized in that a stopping assembly is arranged between the driven crank and the feeding driving wheel, the stopping assembly comprises a ratchet wheel which is coaxially arranged with the feeding driving wheel and synchronously rotates, and a pawl arranged on the driven crank, and the pawl is matched with the ratchet wheel.
The one-way intermittent transmission of the feeding driving wheel driven by the feeding transmission mechanism is realized in a form of matching of the ratchet wheel and the pawl.
Preferably, the driven sliding block is connected with the driving rocker in a sliding manner along the length direction of the driving rocker. The driven sliding block is connected with the rack and the driving rocker in a sliding mode, a four-bar mechanism is formed among the driven sliding block, the driving rocker and the rack, and reliable and stable transmission is achieved.
Preferably, the driving rocker and the driven sliding block are in a split form; a reset elastic piece is arranged between the sliding block and the rack; when the driving rocker pushes the driven sliding block to slide, the reset elastic piece stores energy; after the driving rocker is separated from the driven sliding block, the reset elastic piece drives the driven sliding block to reset.
Preferably, the return elastic element is a spring.
Preferably, the frame is further provided with a stopper for limiting the sliding range of the driven slider.
Drawings
FIG. 1 is a schematic structural diagram of a chain riveting machine using the chain feeding mechanism of the embodiment;
FIG. 2 is a side sectional view of a chain riveter using the chain feed mechanism of the present embodiment;
FIG. 3 is a schematic view of the installation of the chain feeding mechanism of the present embodiment;
FIG. 4 is a schematic structural diagram of the chain feeding mechanism of the present embodiment;
FIG. 5 is a front view of the chain feed mechanism of the present embodiment;
FIG. 6 is a front view of the chain feed mechanism of the present embodiment in another state;
fig. 7 is a schematic structural diagram of a retaining assembly in the chain feeding mechanism of the present embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Examples
As shown in fig. 1-3, a chain feeding mechanism comprises a frame 1 and a feeding driving wheel 4, wherein the feeding driving wheel 4 is rotatably and movably connected with the frame 1. The feeding driving wheel 4 is a chain wheel, the chain wheel and the chain 5 can be directly matched and connected, the matching performance is good, and the structure can be simplified to the maximum extent. For chains 5 of different specifications, the corresponding chain wheel can be replaced.
As shown in fig. 2 and fig. 3, the device further comprises a driving device, the driving device comprises a rotating main shaft 3 rotatably and movably connected with the frame 1, the central line of the rotating main shaft 3 is perpendicular to the central line of the feeding driving wheel 4, and the rotating main shaft 3 is driven by a motor. As shown in fig. 4-6, the transmission assembly 2 further comprises a driving assembly 2, wherein the driving assembly 2 comprises a driving four-bar mechanism 22 and a driven four-bar mechanism 21, the driving four-bar mechanism 22 comprises a driving crank 221, a driving connecting rod 222 and a driving rocker 223, and the driving crank 221 is connected with the rotating spindle 3 and rotates synchronously with the rotating spindle 3. The driven four-bar mechanism 21 comprises a driven crank 211, a driven connecting rod 212 and a driven sliding block 213, wherein the driven crank 211 is connected with the feeding driving wheel 4 and is in one-way transmission with the feeding driving wheel 4. The driven sliding block 213 can slide relative to the frame 1 under the pushing of the driving rocker 223.
The rotary main shaft 3 pushes the feeding driving wheel 4 to rotate through the transmission assembly 2, so that automatic feeding of the chain 5 is realized, and the processing efficiency is improved. The rotary main shaft 3 is vertically arranged with the rotary center of the feeding driving wheel 4, and the motion steering is realized by the matching of the driving four-bar mechanism 22 and the driven four-bar mechanism 21, so that the rotary main shaft can be better matched with the main power of the riveting head machine, and conditions are created for the linkage of the feeding mechanism and the riveting head module.
As shown in fig. 4 and 7, the feeding driving wheel 4 includes a central shaft rotating synchronously, and the driven crank 211 is sleeved on the central shaft and can rotate relative to the central shaft; a backstop component is arranged between the driven crank 211 and the feeding driving wheel 4, the backstop component comprises a ratchet wheel 61 which is coaxially arranged with the feeding driving wheel 4 and synchronously rotates, and a pawl 62 arranged on the driven crank 211, and the pawl 62 is matched with the ratchet wheel 61. The feeding transmission mechanism drives the feeding driving wheel 4 to perform unidirectional intermittent transmission in a form of matching the ratchet wheel 61 and the pawl 62.
In a specific embodiment, the driven slider 213 and the driving rocker 223 are slidably connected along the length direction of the driving rocker 223. The driven sliding block 213 is connected with the frame 1 and the driving rocker 223 in a sliding way, and a four-bar mechanism is formed among the driven sliding block 213, the driving rocker 223 and the frame 1, so that reliable and stable transmission is realized.
As another specific embodiment, as shown in fig. 4, the driving rocker 223 is separated from the driven slider 213. A return elastic member 214 is disposed between the driven slider 213 and the frame 1, and the return elastic member 214 is preferably a spring. When the driving rocker 223 pushes the driven sliding block 213 to slide, the reset elastic element 214 stores energy, and after the driving rocker 223 is separated from the driven sliding block 213, the reset elastic element 214 drives the driven sliding block 213 to reset. The frame 1 is further provided with a stopper for limiting the sliding range of the follower slider 213, and the stopper is used for limiting the stroke of the movement and the reset of the follower slider 213 driven by the reset elastic element 214.
In summary, the above description is only a preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention should be included within the scope of the present invention.
Claims (7)
1. A chain feed mechanism which characterized in that: the feeding device comprises a rack and a feeding driving wheel, wherein the feeding driving wheel is rotatably and movably connected with the rack; the feeding device comprises a feeding driving wheel, a feeding driving wheel and a driving device, wherein the feeding driving wheel is arranged on the frame and is used for feeding the material to the feeding driving wheel;
also comprises a transmission component, the transmission component comprises a driving four-bar mechanism and a driven four-bar mechanism,
the driving four-bar mechanism comprises a driving crank, a driving connecting rod and a driving rocker, wherein the driving crank is connected with the rotating main shaft and synchronously rotates along with the rotating main shaft;
the driven four-bar mechanism comprises a driven crank, a driven connecting rod and a driven sliding block, wherein the driven crank is connected with the feeding driving wheel and is in one-way transmission with the feeding driving wheel; the driven sliding block can slide relative to the frame under the pushing of the driving rocker.
2. The chain feed mechanism of claim 1, wherein: the feeding driving wheel is a chain wheel.
3. The chain feed mechanism of claim 1, wherein: the feeding driving wheel comprises a central shaft which synchronously rotates, and the driven crank is sleeved on the central shaft and can rotate relative to the central shaft; the feeding mechanism is characterized in that a stopping assembly is arranged between the driven crank and the feeding driving wheel, the stopping assembly comprises a ratchet wheel which is coaxially arranged with the feeding driving wheel and synchronously rotates, and a pawl arranged on the driven crank, and the pawl is matched with the ratchet wheel.
4. A chain feed mechanism according to any of claims 1-3, wherein: the driven sliding block is connected with the driving rocker in a sliding mode along the length direction of the driving rocker.
5. A chain feed mechanism according to any of claims 1-3, wherein: the driving rocker and the driven sliding block are in a split form; a reset elastic piece is arranged between the sliding block and the rack; when the driving rocker pushes the driven sliding block to slide, the reset elastic piece stores energy; after the driving rocker is separated from the driven sliding block, the reset elastic piece drives the driven sliding block to reset.
6. The chain feed mechanism of claim 5, wherein: the reset elastic piece is a spring.
7. The chain feed mechanism of claim 5, wherein: the frame is also provided with a stop dog for limiting the sliding range of the driven slide block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120712217.0U CN215033341U (en) | 2021-04-08 | 2021-04-08 | Chain feed mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120712217.0U CN215033341U (en) | 2021-04-08 | 2021-04-08 | Chain feed mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215033341U true CN215033341U (en) | 2021-12-07 |
Family
ID=79150844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120712217.0U Active CN215033341U (en) | 2021-04-08 | 2021-04-08 | Chain feed mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215033341U (en) |
-
2021
- 2021-04-08 CN CN202120712217.0U patent/CN215033341U/en active Active
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