CN2673593Y - Book binding machine knife board driving device - Google Patents
Book binding machine knife board driving device Download PDFInfo
- Publication number
- CN2673593Y CN2673593Y CN 200320119510 CN200320119510U CN2673593Y CN 2673593 Y CN2673593 Y CN 2673593Y CN 200320119510 CN200320119510 CN 200320119510 CN 200320119510 U CN200320119510 U CN 200320119510U CN 2673593 Y CN2673593 Y CN 2673593Y
- Authority
- CN
- China
- Prior art keywords
- knife plate
- shifting block
- driving shaft
- knife board
- sector gear
- 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.)
- Expired - Fee Related
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- Knives (AREA)
Abstract
The utility model discloses a book binding machine knife board driving device, comprising a knife board provided with a knife blade and a driving shaft, and a transmission shaft is arranged between the driving shaft and the knife board. A segment gear sheathed on the transmission shaft is engaged with a drive gear on the driving shaft. The opposite side which is coaxial with the segment gear is provided with a shifting block cooperated with the hole of the knife board. The driving device of the knife board of the book binding machine has the advantages of convenient arrangement and low cost.
Description
Technical field
The utility model relates to a kind of office binder, especially binder drive unit.
Background technology
Binder is a kind of office accommodation commonly used, and it can punch to a file easily, and bookbinding.The work of binder punching is to drive the one group of blade that is contained on the knife plate by drive unit to finish.In the prior art, knife plate drives tooth bar fixing on the knife plate by the driven wheel of installing on the driving shaft, rotates and reverse by driven wheel, drives tooth bar and moves back and forth, thereby finish the feed of knife plate and the action of withdrawing.Because the gearratio of gear and rackwork is a definite value, institute be so that rack and pinion need have the higher accuracy of mesh, and the installation of being difficult for and the higher shortcoming of processing cost are arranged.
Summary of the invention
The purpose of this utility model is to provide a kind of not high binder knife plate drive unit of precision prescribed that meshes.
For achieving the above object, the utility model binder knife plate drive unit comprises knife plate and the driving shaft composition that blade is installed, and its special character is to be provided with power transmission shaft between described driving shaft and the knife plate.The sector gear of suit is meshed with driven wheel on the driving shaft on the power transmission shaft.An opposing side coaxial with sector gear is provided with the shifting block that matches with the hole on the knife plate.The shifting block that matches with knife plate is the sheet of cydariform, and the arcwall face of shifting block both sides matches with hole wall on the knife plate.
Sector gear and shifting block are integral type, and lay respectively at the relative both sides of power transmission shaft.
After adopting said structure, owing to be provided with power transmission shaft between driving shaft and the knife plate.The sector gear of suit is meshed with driven wheel on the driving shaft on the power transmission shaft, and is thus, not high to two gear meshing required precisions.A relative side coaxial with sector gear is provided with the shifting block that matches with the hole on the knife plate.So the reciprocating motion of knife plate can realize by the swing of shifting block.The size by adjusting the hole on the knife plate and the size of shifting block just can be controlled the stroke of knife plate.Be easy to adjust than gear and rack structure.The shifting block that matches with knife plate is the sheet of cydariform, and the arcwall face of shifting block both sides matches with hole wall on the knife plate.Can make the motion of shifting block drive knife plate steady like this, guarantee the quality of the punching of blade.Sector gear and shifting block are integral type, and lay respectively at the relative both sides of power transmission shaft.Easier for installation like this.In sum, the utility model binder knife plate drive unit is easy for installation, lower-cost binder knife plate drive unit.
Description of drawings
Fig. 1 is the structural representation of binder;
The specific embodiment
In Fig. 1: binder is made up of perforating mechanism and binder mechanism.The utility model binder knife plate drive unit comprises knife plate 2 and driving shaft 3 compositions that blade 1 is installed.Be provided with power transmission shaft 4 between driving shaft 3 and the knife plate 2.The sector gear 5 of suit is meshed with driven wheel 6 on the driving shaft 3 on the power transmission shaft 4.An opposing side coaxial with sector gear 5 is provided with the shifting block 51 that matches with the hole 21 on the knife plate 2.The reciprocating motion of knife plate 2 can realize by the swing of shifting block 51.The size by adjusting the hole 21 on the knife plate 2 and the size of shifting block 51 just can be controlled the stroke of knife plate.Be easy to adjust than gear and rack structure.The shifting block 51 that matches with knife plate 2 is the sheet of cydariform, and the arcwall face of shifting block 51 both sides matches with hole 21 walls on the knife plate 2.Can make the motion of shifting block 51 drive knife plates 2 steady like this, guarantee the quality of the punching of blade.Sector gear 5 designs for one with shifting block 51 preferred plans, and lays respectively at the relative both sides of power transmission shaft.Easier for installation like this.
In the new embodiment of this practicality, the sector gear 5 of power transmission shaft 4 can have multiple mode to cooperate with power transmission shaft, as be solidified as a whole, and shifting block 51 also can be taked multiple shape, as peach shape, heart, the design in hole 21 then matches with the arc outer rim with shifting block 51 and is combined into the best, can adopt multiple shapes such as square.
Claims (3)
1, binder knife plate drive unit, it comprises knife plate and the driving shaft composition that blade is installed, it is characterized in that being provided with power transmission shaft between described driving shaft and the knife plate, be set with sector gear on the power transmission shaft, sector gear is meshed with driven wheel on the driving shaft, an opposing side coaxial with sector gear is provided with shifting block, and the knife plate relevant position is provided with the hole and cooperates with pulling block.
2, binder knife plate drive unit according to claim 1 is characterized in that the described shifting block that matches with knife plate is the sheet of cydariform, and the shifting block both sides are arcwall face, matches with hole wall on the knife plate.
3, binder knife plate drive unit according to claim 2 is characterized in that described sector gear and shifting block are one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320119510 CN2673593Y (en) | 2003-12-16 | 2003-12-16 | Book binding machine knife board driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320119510 CN2673593Y (en) | 2003-12-16 | 2003-12-16 | Book binding machine knife board driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2673593Y true CN2673593Y (en) | 2005-01-26 |
Family
ID=34475703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320119510 Expired - Fee Related CN2673593Y (en) | 2003-12-16 | 2003-12-16 | Book binding machine knife board driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2673593Y (en) |
-
2003
- 2003-12-16 CN CN 200320119510 patent/CN2673593Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |