CN203306256U - Belt feeding and receding device of packing machine - Google Patents
Belt feeding and receding device of packing machine Download PDFInfo
- Publication number
- CN203306256U CN203306256U CN2013202742276U CN201320274227U CN203306256U CN 203306256 U CN203306256 U CN 203306256U CN 2013202742276 U CN2013202742276 U CN 2013202742276U CN 201320274227 U CN201320274227 U CN 201320274227U CN 203306256 U CN203306256 U CN 203306256U
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- CN
- China
- Prior art keywords
- connecting rod
- compress
- mated condition
- send
- return idler
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Abstract
The utility model provides a belt feeding and receding device of a packing machine. A driven rolling wheel of the belt feeding and receding device is mounted on an eccentric shaft, the eccentric shaft is driven to rotate through a rotating component to enable the driven rolling wheel to be close to a driving rolling wheel and enter a first matching state and enable the driven rolling wheel to enter a second matching state from the first matching state, the first matching state corresponds to belt receding work, the second matching state corresponds to belt feeding work, and the closing degree of the second matching state is smaller than that of the first matching state. A plurality of control cams are arranged on the machine core main shaft of the packing machine, wherein the first control cam controls the driven rolling wheel to be close to driving rolling wheel and enter the first matching state by controlling the rotation of the rotating component. The belt feeding and receding device of the packing machine can provide two working states for the driven rolling wheel, the packing machine is made to be capable of feeding belts efficiently and be capable of moderately increasing tensile force when the packing machine recedes the belts, the belt feeding and receding device of the packing machine is adaptive to the situation that a packing machine frame cannot open automatically and needs to be rushed and opened by packing belts when the packing belts are receded, and packing quality is improved.
Description
Technical field
The utility model relates to the send-back device of compress.
Background technology
Compress is the equipment with the strap strapping goods, and the whole packing process of compress will be through sending band, move back band, tension, boiling hotly several steps such as glue.In these steps, send-back relies on a pair of roller set to realize, roller set is comprised of driving roller and flower wheel, and strap passes between driving roller and flower wheel, driving roller and flower wheel, by forward or reverse, rely on friction force to drive strap and send band or move back band.The send-back device is little to the pulling force that strap applies, and this can not initiatively open for the compress framework, need strap move back with the time by its situation about washing open, easily because moving back band power, the fault of packing occurs not.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of send-back device of compress, and can adapt to the compress framework can not initiatively open, need strap move back with the time by its situation about washing open, improve the packing quality.For this reason, the utility model is by the following technical solutions:
The send-back device of compress, comprise driving roller and return idler; It is characterized in that described return idler is contained on eccentric shaft, described eccentric shaft is rotated by movement means and makes return idler be close to driving roller to enter the first mated condition and return idler is thrown off from the first mated condition and enter the second mated condition, the first mated condition correspondence is moved back band work, the second mated condition correspondence is sent band work, and the degree of being close to of the second mated condition is less than the degree of being close to of the first mated condition; On the movement main shaft of compress, be provided with a plurality of control cams, first controlling cam and control return idler by the rotation of controlling described rotatable parts and be close to driving roller and enter the first mated condition wherein; Described rotatable parts also are connected with the first elastomeric element, the application force that described the first elastomeric element applies rotatable parts makes rotatable parts drive the return idler rotation by eccentric shaft, make return idler throw off and enter the second mated condition from the first mated condition, described send-back device also is provided with position limiting structure, and described position limiting structure turns to when return idler enters the second mated condition rotatable parts to stop at that the party makes progress is rotated further.
On the basis of adopting technique scheme, the utility model also can adopt following further technical scheme:
Described first controls cam controls the rotation of described rotatable parts by connecting rod mechanism, the more piece connecting rod is arranged in described connecting rod mechanism, wherein have between two joint connecting rods and connect the second elastomeric element, described the second elastomeric element, at connecting rod mechanism, acting on rotatable parts, plays buffer action while making return idler enter the first mated condition.
In described two joint connecting rods, the connecting rod that is in deutomerite has the first slotted hole, and the connecting rod that is in prosthomere has circular hole, and tie bolt passes the first slotted hole and described circular hole, connects the second elastomeric element between this two joints connecting rod.
Described position limiting structure is on the connecting rod in connecting rod mechanism, is the hole wall of the second slotted hole in this connecting rod, and described rotatable parts are lever, and described lever passes described the second slotted hole.
Described connecting rod mechanism comprises first connecting rod, on first connecting rod, arrange with first and control the roller that cam coordinates, first connecting rod connects the switching connecting rod, the switching connecting rod is connected with the described prosthomere connecting rod that is in compress adapter plate rear side, described deutomerite connecting rod arranges described position limiting structure, described rotatable parts, prosthomere connecting rod, deutomerite connecting rod, the first elastomeric element, the second elastomeric element all are in compress adapter plate rear side, and described driving roller and return idler are in compress adapter plate face side.
On described deutomerite connecting rod or prosthomere connecting rod, have a plurality of connecting positions, be used to regulating the pretension degree of the second elastic element.
On the switching connecting rod, connect the 3rd elastomeric element played reset role.
First connecting rod is connected with its axle by unclamping with the clamping structure clamped.
Described first controls the outside that cam is in core framework.
Owing to adopting the technical solution of the utility model, send-back device provided by the utility model, can provide two kinds of mode of operations for return idler, being respectively correspondence moves back with the first mated condition of work and correspondingly send the second mated condition with work, the first mated condition is tighter than the second mated condition, application force to strap is large, make compress can either efficiently send band, can when moving back band, appropriateness increase pulling force again, adapting to the compress framework can not initiatively open, need strap move back with the time by its situation about washing open, improve the packing quality.Further, the utility model is rational in infrastructure, has utilized the original function of the movement main shaft of compress to drive the first control cam, and without adding other actuating device, the effect of compress interior arrangement has further been given full play to again.
The accompanying drawing explanation
Fig. 1 is the structural representation that embodiment provided by the utility model is in the adapter plate face side while being arranged on the compress adapter plate.
Fig. 2 is the structural representation that embodiment provided by the utility model is in the adapter plate rear side while being arranged on the compress adapter plate.
Fig. 3 is the combination schematic diagram of the utility model connecting rod mechanism and rotatable parts.
The specific embodiment
With reference to accompanying drawing, the send-back device of compress provided by the utility model, comprise driving roller 1 and return idler 2; Described return idler 2 is contained on eccentric shaft 3, described eccentric shaft 3 is driven and is rotated and make return idler 2 be close to driving roller 1 to enter the first mated condition and return idler 2 is thrown off from the first mated condition and enter the second mated condition by rotatable parts 4, the first mated condition correspondence is moved back band work, the second mated condition correspondence is sent band work, the degree of being close to of the second mated condition is less than the degree of being close to of the first mated condition, and the application force that makes driving roller 1 and 2 pairs of straps of return idler is large during than the second mated condition when the first mated condition; On the movement main shaft 100 of compress, be provided with a plurality of control cams, first controlling cam 5 and control return idler 2 by the rotation of controlling described rotatable parts 4 and be close to driving roller 1 and enter the first mated condition wherein; Described rotatable parts also are connected with the first elastomeric element 6, the application force that 6 pairs of rotatable parts 4 of described the first elastomeric element apply makes rotatable parts 4 drive return idler 2 rotations by eccentric shaft 3, make return idler 2 throw off and enter the second mated condition from the first mated condition, described send-back device also is provided with position limiting structure, and described position limiting structure turns to when return idler 2 enters the second mated condition rotatable parts 4 to stop at that the party makes progress is rotated further.Described the first elastomeric element 6 can adopt the elastic elements such as spring, and the one end is connected with core framework 400 fixed partss such as grade of compress, and the other end is connected with rotatable parts 4.
Described first controls cam 5 controls the rotation of described rotatable parts by connecting rod mechanism, described connecting rod mechanism can have the many connecting rods that quantity does not wait as required, connects successively.Wherein have between two joint connecting rods and connect the second elastomeric element 7, described the second elastomeric element 7, at connecting rod mechanism, acting on rotatable parts 4, plays buffer action while making return idler enter the first mated condition.Described the second elastomeric element 7 can adopt the elastic elements such as spring.
In described two joint connecting rods, the connecting rod 74 that is in deutomerite has the first slotted hole 741, and the connecting rod 73 that is in prosthomere has circular hole, and tie bolt 75 passes the first slotted hole 741 and described circular hole, connects the second elastomeric element 7 between this two joints connecting rod 73,74.On described deutomerite connecting rod 74, have a plurality of connecting positions 743, be used to regulating the pretension degree of the second elastic element, the second elastomeric element 7 optionally is connected on one of them connecting position 743 with the attaching parts 744 of deutomerite connecting rod.Tie bolt 75 coordinates with the first slotted hole 741, has both played the effect of stepping down that makes the second elastomeric element 7 performance effects, plays again position-limiting action, limiting rod 73,74 relative motion scopes.
Described connecting rod mechanism comprises first connecting rod 71, on first connecting rod 71, arrange with first and control the roller 711 that cam 5 coordinates, first connecting rod 71 connects switching connecting rod 72, switching connecting rod 72 is connected with the described prosthomere connecting rod 73 that is in compress adapter plate rear side, described deutomerite connecting rod 74 arranges described position limiting structure, described position limiting structure is the hole wall of the second slotted hole 742 in this connecting rod, and described rotatable parts 4 are lever, and described lever passes described the second slotted hole 742.Described rotatable parts 4, prosthomere connecting rod 73, deutomerite connecting rod 74, the first elastomeric element 6, the second elastomeric element 7 all are in compress adapter plate 300 rear side, and described driving roller 1 and return idler 2 are in compress adapter plate 300 face side.
On switching connecting rod 72, connect the 3rd elastomeric element 8 play reset role, described the 3rd elastomeric element 8 can adopt the elastic elements such as spring, and the fixed partss such as the core framework 400 of one end and compress or adapter plate 300 are connected, and the other end is connected with the connecting rod 72 of transferring.
First connecting rod 71 is connected with its axle 710 by unclamping with the clamping structure 76 clamped, with convenient for assembly.Drawing reference numeral 77 is be used to clamping the screw of fastener shaft 710.
Described first controls the outside that cam 5 is in core framework 400.Like this, be convenient to the setting of packing machine core inner structure and simplify connecting rod mechanism.
Claims (9)
1. the send-back device of compress, comprise driving roller and return idler; It is characterized in that described return idler is contained on eccentric shaft, described eccentric shaft is rotated by movement means and makes return idler be close to driving roller to enter the first mated condition and return idler is thrown off from the first mated condition and enter the second mated condition, the first mated condition correspondence is moved back band work, the second mated condition correspondence is sent band work, and the degree of being close to of the second mated condition is less than the degree of being close to of the first mated condition; On the movement main shaft of compress, be provided with a plurality of control cams, first controlling cam and control return idler by the rotation of controlling described rotatable parts and be close to driving roller and enter the first mated condition wherein; Described rotatable parts also are connected with the first elastomeric element, the application force that described the first elastomeric element applies rotatable parts makes rotatable parts drive the return idler rotation by eccentric shaft, make return idler throw off and enter the second mated condition from the first mated condition, described send-back device also is provided with position limiting structure, and described position limiting structure turns to when return idler enters the second mated condition rotatable parts to stop at that the party makes progress is rotated further.
2. the send-back device of compress as claimed in claim 1, it is characterized in that described first controls cam and by connecting rod mechanism, control the rotation of described rotatable parts, the more piece connecting rod is arranged in described connecting rod mechanism, wherein have between two joint connecting rods and connect the second elastomeric element, described the second elastomeric element, at connecting rod mechanism, acting on rotatable parts, plays buffer action while making return idler enter the first mated condition.
3. the send-back device of compress as claimed in claim 2, it is characterized in that in described two joint connecting rods, the connecting rod that is in deutomerite has the first slotted hole, the connecting rod that is in prosthomere has circular hole, tie bolt passes the first slotted hole and described circular hole, connects the second elastomeric element between this two joints connecting rod.
4. the send-back device of compress as claimed in claim 2, is characterized in that described position limiting structure is on the connecting rod in connecting rod mechanism, is the hole wall of the second slotted hole in this connecting rod, and described rotatable parts are lever, and described lever passes described the second slotted hole.
5. the send-back device of compress as claimed in claim 3, it is characterized in that described connecting rod mechanism comprises first connecting rod, on first connecting rod, arrange with first and control the roller that cam coordinates, first connecting rod connects the switching connecting rod, the switching connecting rod is connected with the described prosthomere connecting rod that is in compress adapter plate rear side, described deutomerite connecting rod arranges described position limiting structure, described rotatable parts, the prosthomere connecting rod, the deutomerite connecting rod, the first elastomeric element, the second elastomeric element all is in compress adapter plate rear side, described driving roller and return idler are in compress adapter plate face side.
6. the send-back device of compress as claimed in claim 3, is characterized in that having a plurality of connecting positions on described deutomerite connecting rod or prosthomere connecting rod, be used to regulating the pretension degree of the second elastic element.
7. the send-back device of compress as claimed in claim 5, connect the 3rd elastomeric element played reset role on the connecting rod that it is characterized in that transferring.
8. the send-back device of compress as claimed in claim 5, is characterized in that first connecting rod is connected with its axle by unclamping with the clamping structure clamped.
9. the send-back device of compress as claimed in claim 1, is characterized in that described first controls the outside that cam is in core framework.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202742276U CN203306256U (en) | 2013-05-17 | 2013-05-17 | Belt feeding and receding device of packing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202742276U CN203306256U (en) | 2013-05-17 | 2013-05-17 | Belt feeding and receding device of packing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203306256U true CN203306256U (en) | 2013-11-27 |
Family
ID=49612481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202742276U Expired - Lifetime CN203306256U (en) | 2013-05-17 | 2013-05-17 | Belt feeding and receding device of packing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203306256U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111017282A (en) * | 2019-12-24 | 2020-04-17 | 湖南创航科技有限公司 | Lifting mechanism of tightening wheel mechanism of handheld packer |
-
2013
- 2013-05-17 CN CN2013202742276U patent/CN203306256U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111017282A (en) * | 2019-12-24 | 2020-04-17 | 湖南创航科技有限公司 | Lifting mechanism of tightening wheel mechanism of handheld packer |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131127 |
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| CX01 | Expiry of patent term |