CN214824385U - Send and move back tape unit to construct - Google Patents
Send and move back tape unit to construct Download PDFInfo
- Publication number
- CN214824385U CN214824385U CN202022714955.7U CN202022714955U CN214824385U CN 214824385 U CN214824385 U CN 214824385U CN 202022714955 U CN202022714955 U CN 202022714955U CN 214824385 U CN214824385 U CN 214824385U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- link
- eccentric shaft
- hole
- tape feeding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Transmission Devices (AREA)
Abstract
The utility model provides a send and move back tape unit, include the action wheel, follow driving wheel, eccentric shaft, connecting rod, follow driving wheel and eccentric shaft connection, the first end and the eccentric shaft connection of connecting rod, the eccentric shaft with the position that the connecting rod is connected sets up flat shaft section, the tip of connecting rod sets up the slot hole, flat shaft section inserts the slot hole forms spacing cooperation. The utility model discloses utilize the position characteristics of eccentric shaft and connecting rod, for sending the eccentric connection control who moves back tape unit to provide simple and easily structure of installing, the connection between eccentric shaft and the connecting rod can not become flexible for send and move back tape unit and can provide more stable moving back the area power for moving back the area.
Description
Technical Field
The utility model relates to a baling press field especially relates to a send and move back tape unit to construct.
Background
The packaging machine is a device for bundling articles by using a packaging belt, and the whole packaging process comprises the steps of belt feeding, belt withdrawing, tensioning, hot sticking and the like. The belt feeding and withdrawing are realized by the same pair of driving wheels and driven wheels. The driving wheel can rotate forward and backward under the driving of the driving motor, and the driven wheel is close to the driving wheel and matched with the driving wheel to provide friction force required by belt withdrawal in the belt withdrawal working state; for the control connection structure of the eccentric shaft, a connecting rod is radially penetrated into the eccentric shaft and is tightly connected with the eccentric shaft through an axial screw.
The work of baling press is the reciprocating process of a continuous cycle, and to above-mentioned connection structure, frequent repeated action and vibration lead to connecting rod and eccentric shaft connection structure's strain and not hard up easily, and then cause and move back the band force unstability, influence baling press work and packing quality.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a send and move back tape unit to construct is provided, can provide more stable moving back tape unit power. Therefore, the utility model adopts the following technical scheme:
a belt feeding and retracting mechanism comprises a driving wheel, a driven wheel, an eccentric shaft and a connecting rod, wherein the driven wheel is connected with the eccentric shaft, the first end of the connecting rod is connected with the eccentric shaft, and the belt feeding and retracting mechanism is characterized in that a flat shaft section is arranged at the connecting part of the eccentric shaft and the connecting rod, a long hole is arranged at the end part of the connecting rod, and the flat shaft section is inserted into the long hole to form limiting fit.
On the basis of adopting above-mentioned technical scheme, the utility model discloses still can adopt following further technical scheme, or to these further technical scheme combined use:
the tail end of the eccentric shaft close to the tail end is connected with the connecting rod through the flat shaft section and the long hole, a screw rod is arranged at the tail end of the eccentric shaft close to the flat shaft section, and the screw rod penetrates through the long hole to be connected with a nut.
The flat shaft section is provided with an upper plane and a lower plane which are parallel, and the hole wall of the long hole is provided with a parallel straight hole wall matched with the upper plane and the lower plane.
The connecting rod is connected with the elastic element to enable the connecting rod to have a downward rotating trend, the second end of the connecting rod is connected with the second connecting rod through the connecting structure, the second connecting rod is rotatably arranged on the core frame of the packaging machine and matched with the cam, and the second connecting rod is further connected with the second elastic element to enable the second connecting rod to have a downward moving trend towards the second end of the connecting rod.
The connecting structure comprises a third connecting rod, the second connecting rod is positioned below the second end of the connecting rod and is connected with the connecting rod through the third connecting rod, and the rotating axis of the second connecting rod and the eccentric shaft are parallel to the horizontal plane but vertical to each other in a three-dimensional space.
The third connecting rod is provided with a connecting hole, the second end of the connecting rod is inserted into the connecting hole, the tail part of the second end is provided with a limiting bulge part, the third connecting rod is inserted and matched with the second end of the connecting rod through the connecting hole, and the limiting bulge prevents the third connecting rod from being separated from the connecting rod and connected with the connecting rod.
The third connecting rod is provided with a plurality of holes along the length direction for connecting the second connecting rod.
The connecting hole is a long hole.
The first end of the connecting rod is wide and provided with the long hole, the width of the middle part of the connecting rod from the tail end to the tail end is narrow, the connecting rod is connected with the connecting piece in the middle part, the connecting piece is connected with the elastic element, and the narrow part is inserted into the connecting hole.
Owing to adopt the technical scheme of the utility model, the utility model discloses utilize the position characteristics of eccentric shaft and connecting rod, for sending the eccentric connection control that moves back tape unit to provide simple and easily structure of installing, the connection between eccentric shaft and the connecting rod can not become flexible for send and move back tape unit and can provide more stable area power of moving back for moving back the area.
Drawings
Fig. 1 is a schematic view of a packer core applying the belt feeding and retracting mechanism of the utility model.
Fig. 2 is a schematic view of another angle of the movement of the packer applying the belt feeding and retracting mechanism of the present invention.
Fig. 3 is a schematic diagram of an embodiment of the present invention.
Fig. 4 is an exploded view of the structure of the embodiment of the present invention.
FIG. 5 is a schematic view of the belt feeding and retracting linkage.
Detailed Description
Referring to the drawings, the utility model provides a send and move back tape unit, including action wheel 100, from driving wheel 200, eccentric shaft 300, connecting rod 1, from driving wheel 200 to pass through the bearing and eccentric shaft 300 is connected, the first end and the eccentric shaft 300 of connecting rod 1 are connected.
The connecting part of the eccentric shaft 300 and the connecting rod 1 is provided with a flat shaft section 301, the first end part of the connecting rod 1 is provided with a long hole 11, the end part of the eccentric shaft 300 close to the tail end is provided with the flat shaft section 301, the connecting rod 1 is connected through the flat shaft section 301 and the long hole 11, and the flat shaft section 301 is inserted into the long hole 11 to form limit fit. The end of the eccentric shaft 300 is provided with a screw 302 next to the flat shaft section, and the screw 302 passes through the long hole 11 and is connected with the nut 41.
The connecting rod 1 is connected with an elastic element 51 to enable the connecting rod 1 to have a downward rotating trend, the second end of the connecting rod 1 is connected with a second connecting rod 2 through a connecting structure, the second connecting rod 2 is rotatably arranged on a core frame 500 of the packaging machine and is matched with a cam 400, the cam 400 is driven to rotate by a core motor 600, and the second connecting rod 2 is further connected with an elastic element 52 to enable the second connecting rod 2 to have a trend of moving in a direction of enabling the second end of the connecting rod 1 to move downward. The cam 400 and the elastic element 52 control the movement of the belt feeding and withdrawing mechanism, so that the connecting rod 1 can rotate up and down, and the eccentric shaft 300 drives the driven wheel 200 to approach and depart from the driving wheel.
The connecting structure comprises a third connecting rod 3, the second connecting rod 2 is positioned below the second end of the connecting rod 1 and is connected with the connecting rod 1 through the third connecting rod 3, the rotating axis of the second connecting rod 2 and the eccentric shaft 300 are parallel to the horizontal plane but vertical to each other in a three-dimensional space, a roller 21 is arranged in the middle of the second connecting rod 2, and the second connecting rod 2 is matched with the cam 400 through the roller 21.
The upper end of the third connecting rod 3 is provided with a connecting hole 31, the second end of the connecting rod 1 is arranged to be inserted into the connecting hole 31, the tail part of the second end is provided with a limiting convex part 13, and the connecting hole 31 is preferably a long hole. The third link 3 is inserted into the second end of the link 1 through the connecting hole, and the third link 3 is prevented from falling off the link 1 by the limit projection 13 and is connected with the link 1. The third connecting rod 3 is connected and matched with the second end of the connecting rod 1, so that the connecting rod 2 matched with the cam and the connecting rod 1 matched with the eccentric shaft 300 can be reliably connected, frequent repeated actions and vibration can be resisted, and the belt withdrawing action is always accurate and reliable.
A plurality of holes 32 are arranged below the middle part of the third connecting rod 3 along the length direction for connecting the second connecting rod 2.
The first end of the connecting rod 1 is wide and provided with the long hole 11, the middle part of the connecting rod 1 is narrow to be close to the tail part, and is connected with a connecting piece 61 at the middle part, the connecting piece 61 is connected with the upper end of the elastic element 51, the narrow part 12 at the tail part is inserted into the connecting hole 31, and the lower end of the elastic element is connected with a connecting piece 62 fixed on a movement frame.
The elastic elements 51 and 52 can be tension springs. The tail part of the second connecting rod 2 is connected with a handle 7 so as to manually adjust the driving connecting rod 1 during threading, reference numeral 20 is a fulcrum of the second connecting rod, reference numeral 63 is a connecting piece which is connected with the lower end of the elastic element 52 and is fixed on a movement frame, and reference numeral 64 is a plurality of connecting holes which are arranged on the connecting piece 63 along the height direction and are used for selectively connecting the elastic element 52.
The above description is only for the specific embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any person skilled in the art is in the field of the present invention, and all the changes or modifications are covered in the protection scope of the present invention.
Claims (9)
1. A belt feeding and retracting mechanism comprises a driving wheel, a driven wheel, an eccentric shaft and a connecting rod, wherein the driven wheel is connected with the eccentric shaft, the first end of the connecting rod is connected with the eccentric shaft, and the belt feeding and retracting mechanism is characterized in that a flat shaft section is arranged at the connecting part of the eccentric shaft and the connecting rod, a long hole is arranged at the end part of the connecting rod, and the flat shaft section is inserted into the long hole to form limiting fit.
2. A tape feeding and discharging mechanism as claimed in claim 1, wherein said eccentric shaft is connected to said connecting rod near a rear end thereof through said flat shaft section and a long hole, and a screw rod is provided at a rear end of said eccentric shaft next to said flat shaft section, said screw rod being passed through said long hole to be connected to a nut.
3. A tape feeding and discharging mechanism as claimed in claim 1, wherein said flat shaft section is provided with parallel upper and lower flat surfaces, and the wall of said elongated hole is provided with parallel straight walls which engage with said upper and lower flat surfaces.
4. A tape drive and unwind mechanism as recited in claim 1, wherein said link is connected to a resilient member to urge said link to rotate downwardly, said second end of said link being connected by a connecting structure to a second link, said second link being rotatably mounted on the core frame of the baler and engaging the cam, said second link being further connected to a second resilient member to urge said second link in a direction to urge said second end of said link downwardly.
5. A tape feeding and retracting mechanism according to claim 4, wherein said connecting structure includes a third connecting rod, said second connecting rod being located below said second end of said connecting rod and connected to said connecting rod by said third connecting rod, the rotational axis of said second connecting rod and the eccentric shaft being parallel to the horizontal plane but perpendicular to each other in a three-dimensional space.
6. A tape feeding and discharging mechanism as claimed in claim 5, wherein said third link is provided with a connecting hole into which a second end of the link is inserted, and a stopper projection is provided at a rear end of the second end, and said third link is connected to said link by being inserted into the connecting hole to be engaged with the second end of said link and being prevented from coming off said link by the stopper projection.
7. A tape feeding and retracting mechanism according to claim 5 wherein said third link has a plurality of holes along its length for selectively connecting to said second link.
8. A tape feeding and discharging mechanism as claimed in claim 6, wherein said attachment hole is an elongated hole.
9. A tape feeding and discharging mechanism as claimed in claim 6, wherein said link has a first end which is wide and provided with said elongated hole, said link has a middle portion which is narrow to a position close to a trailing end and is connected to a connecting member at the middle portion, said connecting member is connected to an elastic member, and said narrow portion is inserted into said connecting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022714955.7U CN214824385U (en) | 2020-11-20 | 2020-11-20 | Send and move back tape unit to construct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022714955.7U CN214824385U (en) | 2020-11-20 | 2020-11-20 | Send and move back tape unit to construct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214824385U true CN214824385U (en) | 2021-11-23 |
Family
ID=78757513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022714955.7U Active CN214824385U (en) | 2020-11-20 | 2020-11-20 | Send and move back tape unit to construct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214824385U (en) |
-
2020
- 2020-11-20 CN CN202022714955.7U patent/CN214824385U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106864886B (en) | Packaging bag folding and bundling integrated machine | |
| CN106826956B (en) | Material strip cuts jig | |
| CN2780629Y (en) | Packaging paper cutting machine | |
| CN106144056B (en) | A kind of auto-welting device | |
| CN110697132B (en) | Ratchet drive system for bulk strapping tool | |
| CN214824385U (en) | Send and move back tape unit to construct | |
| CN214649204U (en) | Tape feeding and withdrawing mechanism | |
| CN111350032B (en) | Feeding adjusting mechanism of sewing machine | |
| CN205931537U (en) | Glue head and drive bagging apparatus | |
| CN202540824U (en) | Handle cutting and feeding device | |
| CN201670949U (en) | Power transmission device for sewing machine | |
| CN202072333U (en) | Improved structure of a rapid conveying apparatus of a full-automatic woven bag cutting and forming machine | |
| CN206068750U (en) | Floor pressing machine enters plate dolly | |
| CN210067596U (en) | Steel pile driving device for power transmission tower | |
| CN210311120U (en) | Material bagging machine | |
| CN208181477U (en) | A kind of belt cutting mechanism of fusion splicing devices | |
| CN214875789U (en) | Send and move back area tensioning band mechanism | |
| CN214572635U (en) | Trimming structure of plastic woven bag sewing machine | |
| CN208468526U (en) | Steak is sliced limiting device | |
| CN216272130U (en) | Full-automatic grid inserting machine and longitudinal feeding device thereof | |
| CN217893315U (en) | Split type swing arm mechanism of baling press slide | |
| CN218929989U (en) | Assembly line packing equipment | |
| CN110155430A (en) | Material bagging machine | |
| CN217703560U (en) | Rubber cutting machine | |
| CN214268215U (en) | Cloth buffer structure and spring packaging device using same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |