CN201889820U - Paper pressing mechanism of paper cutter - Google Patents
Paper pressing mechanism of paper cutter Download PDFInfo
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- CN201889820U CN201889820U CN2010206179154U CN201020617915U CN201889820U CN 201889820 U CN201889820 U CN 201889820U CN 2010206179154 U CN2010206179154 U CN 2010206179154U CN 201020617915 U CN201020617915 U CN 201020617915U CN 201889820 U CN201889820 U CN 201889820U
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- paper
- connecting rod
- rotating shaft
- pressing mechanism
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Abstract
The utility model discloses a paper pressing mechanism of a paper cutter, which comprises a base, a paper pressing plate positioned on the base, and a rotating shaft, wherein the two ends of the rotating shaft are rotationally supported on a rotating shaft support which is fixed on the base; the two ends of the paper pressing plate are respectively fixed on a pressing plate support; the lower end of each pressing plate support is connected with the rotating shaft through an elastic driving mechanism; the elastic driving mechanism comprises a rocker arm, a connecting rod, a floating bearing, a pressure spring and a tension spring; the upper end of the rocker arm is fixedly connected to the rotating shaft; the lower end of the rocker arm is hinged with the upper end of the connecting rod; the lower end of the connecting rod is connected with the tension spring; the other end of the tension spring is fixed in the base; the pressure spring and the floating bearing are both positioned in a long groove on the connecting rod; one end of the pressure spring is propped against the floating bearing; and the lower end of each pressing plate support is fixedly connected with the floating bearing. According to the utility model, a connecting rod mechanism is utilized to drive the paper pressing plate to move downwards and closely press paper, and telescopic deformation of the pressure spring is utilized to adapt to different paper pressing thicknesses.
Description
Technical field
The utility model relates to a kind of trimmer, is specifically related to the paper-pressing mechanism of trimmer.
Background technology
The paper-pressing mechanism of trimmer is used for paper to be cut is pressed on base, is shifted cutting Shi Buhui, guarantees to cut quality.Paper-pressing mechanism generally comprises a pressboard and is arranged on above the base, when applying certain pressure to pressboard, following paper can be pressed on the base.
In the prior art, the pressure of pressboard generally provides by spring.A kind of paper knife paper-pressing mechanism is disclosed as Chinese utility model patent CN2340577Y, it comprises pressboard, left-right rotation arm, a motion block, left and right sides extension spring, left-right rotation arm upper end is separately fixed at the two ends of pressboard, the lower end of left-right rotation arm then is articulated on the stationary knife that is arranged on the workbench sidewall by pivot respectively, play motion block and be one fan-shaped recessed, playing motion block is placed on the movable arbor of paper knife, on the paper knife moving knife, be fixed with driving lever, one end of left and right sides extension spring is individually fixed on the left-right rotation arm, and the other end then is fixed on the workbench base plate.In this patent, rely on the pulling force of left and right sides extension spring to come to provide pressure for pressboard.The shortcoming of this mode is that the active force of spring is stable inadequately, and can be subjected to the influence of paper sheet thickness.
Particularly in heavy trimmer, paper-pressing mechanism must be able to adapt to different platen thickness, plurality of sheets of paper can be compressed also sheet-fed can be compressed.And existing paper-pressing mechanism all is difficult to reach this requirement.
The utility model content
The technical problems to be solved in the utility model provides a kind of paper-pressing mechanism that can adapt to the trimmer of different paper thickness, to overcome the above-mentioned defective of prior art.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme: a kind of paper-pressing mechanism of trimmer, comprise base and the pressboard that is positioned at above the base, also comprise a rotating shaft, the rotating shaft two ends are supported on the rotary shaft rack rotationally, rotary shaft rack is fixed on the described base, the two ends of pressboard respectively are fixed on the plate bracket, the lower end of each plate bracket is connected with described rotating shaft by a flexible drive mechanism respectively, described flexible drive mechanism comprises rocking arm, connecting rod, floating bearing, stage clip and extension spring, the upper end of described rocking arm is fixedly connected in the rotating shaft; the lower end of rocking arm and the upper end of connecting rod are hinged; the lower end of connecting rod is connected with extension spring; the other end of extension spring is fixed in the base; described stage clip and floating bearing all are positioned at the elongated slot on the connecting rod, and an end of stage clip withstands on the floating bearing, fixedlys connected with floating bearing in the lower end of described plate bracket.
Preferably, described rotating shaft is also fixedlyed connected with a handle.
Preferably, described rotating shaft is a square shaft, and the two ends of square shaft are with the square hole sleeve, and described square hole sleeve is supported on the rotary shaft rack rotationally.
Preferably, the upper end of described plate bracket has slotted hole, and described rotating shaft is passed from this slotted hole.
Preferably, the lower end of the lower end of described rotary shaft rack, the lower end of connecting rod and plate bracket all extends to base inside parallel to each other, a bearing pin runs through described plate bracket, floating bearing and rotary shaft rack, one end of bearing pin is fixedlyed connected with the lower end of described plate bracket, and the other end of bearing pin is positioned at a chute of rotary shaft rack lower end.
Preferably, described rocking arm is made of two parallel thin plates, is connected by a fixed axis between two thin plates, and the upper end of described connecting rod is inserted between two thin plates and is hinged on the described fixed axis.
Further, form between two thin plates of described rocking arm and also connect a roller, the upper end of described connecting rod is provided with arc surface, and described arc surface contacts with the surface of roller, and the termination of described arc surface is provided with a locating slot.
Preferably, described connecting rod is L shaped, comprises a long-armed and galianconism, and described long-armed upper end is connected with rocking arm, and the end of described galianconism is connected with extension spring, described elongated slot be positioned at long-armed on.
The beneficial effects of the utility model are, by the rotation of rotating shaft, utilize linkage to drive pressboard and move downward, and the thrust of generation is more stable, operates also convenient.Be provided with stage clip between plate bracket and the described linkage, utilize the dilatation of stage clip to adapt to different platen thickness, pressboard can be tight with much opening letterweight, also sheet-fed can be compressed.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is the schematic diagram with a kind of trimmer of the utility model paper-pressing mechanism.
Fig. 2 is the partial enlarged drawing at A place among Fig. 1.
Fig. 3 is the sectional structure schematic diagram (pressboard lifts state) at B-B place among Fig. 1.
Fig. 4 is a kind of shape schematic diagram of connecting rod.
Fig. 5 is the schematic diagram of structure shown in Figure 3 in the pressboard depressed state.
1, base 2, pressboard 3, rotating shaft 4, rotary shaft rack 5, plate bracket
6, cut-off knife 7, rocking arm 8, connecting rod 9, floating bearing 10, extension spring
11, stage clip 12, bearing pin 13, handle 31, square hole sleeve 41, chute
51, slotted hole 71, thin plate 72, thin plate 73, fixed axis 74, roller
80, elongated slot 81, long-armed 82, galianconism 83, arc surface 84, locating slot
The specific embodiment
As shown in Figure 1, the paper-pressing mechanism of a kind of trimmer of the utility model comprises base 1 and the pressboard 2 that is positioned at above the base, and pressboard 2 is arranged on the side near cut-off knife 6.Also have a rotating shaft 3 to be installed in parallel in pressboard 2 tops, rotating shaft 3 two ends are supported on the rotary shaft rack 4 rotationally, rotary shaft rack 4 is fixed on the base 1, the two ends of pressboard 2 respectively are fixed on the plate bracket 5, the lower end of each plate bracket 5 is connected with rotating shaft 3 by a flexible drive mechanism respectively, therefore respectively is provided with a cover flexible drive mechanism at the two ends of pressboard 2.
As Fig. 2, shown in Figure 3, this flexible drive mechanism comprises rocking arm 7, connecting rod 8, floating bearing 9, stage clip 11 and extension spring 10, wherein the upper end of rocking arm 7 is fixedly connected in the rotating shaft 3; upper end of the lower end of rocking arm 7 and connecting rod 8 is hinged; the lower end of connecting rod 8 extends in the base 1 and with extension spring 10 and is connected, and the other end of extension spring 10 is fixed in the base 1.
In conjunction with Fig. 4, in the present embodiment, connecting rod 8 is L shaped, and it comprises one long-armed 81 and one galianconism 82, and long-armed 81 upper end is connected with rocking arm 7, and the end of galianconism 82 is connected with extension spring 10.On long-armed 81, be provided with an elongated slot 80.Stage clip 11 and floating bearing 9 promptly are positioned at this elongated slot 80, and the upper end of stage clip 11 withstands on the end face of elongated slot 80, and the lower end of stage clip 11 withstands on the floating bearing 9, then fixedly connected with floating bearing 9 in the lower end of plate bracket 5.With reference to Fig. 2, the lower end of the lower end of the lower end of rotary shaft rack 4, connecting rod 8 and plate bracket 5 all extends to the inside of base 1 parallel to each other, a bearing pin 12 runs through above-mentioned plate bracket 5, floating bearing 9 and rotary shaft rack 4 successively, one end of bearing pin 12 and the welding of the lower end of plate bracket 5 are fixing, the lower end of rotary shaft rack 4 then is provided with chute 41 (see figure 3)s one, holding the other end of bearing pin 12, and allow bearing pin 12 in this chute 41, to slide up and down.
Rotating shaft 3 is preferably square shaft, and handle 13 is fixedly sleeved on square shaft, can drive square shaft and rotate, and the two ends of square shaft 3 are with square hole sleeve 31 (see figure 2)s, and square hole sleeve 31 is as the bearing of square shaft, and its outer surface is circular, is supported on rotationally on the rotary shaft rack 4.
As Fig. 2, shown in Figure 3, in the present embodiment; rocking arm 7 is made of two parallel thin plates 71,72, be connected by a fixed axis 73 between two thin plates 71,72, correct on the connecting rod 8 and insert between these two thin plates 71,72 and be hinged on the fixed axis 73.Also connect a roller 74 between these two thin plates 71,72, the upper end of connecting rod 8 is provided with arc surface 83 (see figure 4)s, and the termination of arc surface 83 is provided with a locating slot 84.This arc surface 83 rolls with the surface of roller 74 and contacts.
As shown in Figure 3, when handle 13 when cocked, square shaft 3 drives rocking arm 7 and rotates counterclockwise, connecting rod 8 is pulled up to a higher position, drive floating bearing 9 simultaneously and rise, the bearing pin 12 that passes floating bearing 9 moves to the upper end of chute 41, because floating bearing 9 is fixedlyed connected with pressboard 2 by plate bracket 5, therefore, pressboard 2 is elevated.The gap occurs between the following and base 1 of pressboard 2, can put into paper to be cut this moment.
The upper end of plate bracket 5 has slotted hole 51 (see figure 3)s, and rotating shaft 3 is passed from this slotted hole 51.Under the common constraint of the chute 41 on slotted hole on the plate bracket 5 51 and the rotary shaft rack 4, plate bracket 5 can only vertical up-or-down movement with pressboard 2.
As shown in Figure 5, when depressing handle 13, rotating shaft 3 drives rocking arm 7 and rotates, connecting rod 8 oppressed moving downward, the linkage of forming until rocking arm 7 and connecting rod 8 turns to its lower dead point position, this moment, the roller 74 on the rocking arm 7 just in time snapped in the locating slot 84 on the connecting rod 8, made the mechanism location and kept this state.At this moment, under the drive of floating bearing 9, the upper surface of pressboard and base is also fitted, even if so have only a piece of paper also can be compacted below the pressboard.
When putting into more paper simultaneously below the pressboard, depress handle 13, connecting rod 8 still can be pressed downwardly onto same position, but stage clip 11 can further be compressed, allow floating bearing 9 in the elongated slot 80 of connecting rod 8, upwards to move a certain distance, thereby make on plate bracket 5 and the pressboard 2 and move certain distance, increase the paper sheet thickness that cuts to adapt to.
Claims (8)
1. the paper-pressing mechanism of a trimmer, comprise base (1) and be positioned at pressboard (2) above the base, it is characterized in that, also comprise a rotating shaft (3), rotating shaft (3) two ends are supported on the rotary shaft rack (4) rotationally, rotary shaft rack (4) is fixed on the described base (1), the two ends of pressboard (2) respectively are fixed on the plate bracket (5), the lower end of each plate bracket (5) is connected with described rotating shaft (3) by a flexible drive mechanism respectively, described flexible drive mechanism comprises rocking arm (7), connecting rod (8), floating bearing (9), stage clip (11) and extension spring (10), the upper end of described rocking arm (7) is fixedly connected in the rotating shaft (3); the upper end of the lower end of rocking arm (7) and connecting rod (8) is hinged; the lower end of connecting rod (8) is connected with extension spring (10); the other end of extension spring (10) is fixed in the base (1); described stage clip (11) and floating bearing (9) all are positioned at the elongated slot (80) on the connecting rod (8); an end of stage clip (11) withstands on the floating bearing (9), fixedlys connected with floating bearing (9) in the lower end of described plate bracket (5).
2. paper-pressing mechanism according to claim 1 is characterized in that, described rotating shaft (3) is also fixedlyed connected with a handle (13).
3. paper-pressing mechanism according to claim 1 is characterized in that, described rotating shaft (3) is a square shaft, and the two ends of square shaft are with square hole sleeve (31), and described square hole sleeve (31) is supported on the rotary shaft rack (4) rotationally.
4. paper-pressing mechanism according to claim 1 is characterized in that, the upper end of described plate bracket (5) has slotted hole (51), and described rotating shaft (3) is passed from this slotted hole (51).
5. paper-pressing mechanism according to claim 1, it is characterized in that, the lower end of the lower end of the lower end of described rotary shaft rack (4), connecting rod (8) and plate bracket (5) all extends to base (1) inside parallel to each other, a bearing pin (12) runs through described plate bracket (5), floating bearing (9) and rotary shaft rack (4), one end of bearing pin (12) is fixedlyed connected with the lower end of described plate bracket (5), and the other end of bearing pin (12) is positioned at a chute (41) of rotary shaft rack (4) lower end.
6. paper-pressing mechanism according to claim 1, it is characterized in that, described rocking arm (7) is made of two parallel thin plates (71,72), be connected by a fixed axis (73) between two thin plates (71,72), the upper end of described connecting rod (8) is inserted between two thin plates (71,72) and is hinged on the described fixed axis (73).
7. paper-pressing mechanism according to claim 6, it is characterized in that, form between two thin plates (71,72) of described rocking arm and also connect a roller (74), the upper end of described connecting rod (8) is provided with arc surface (83), described arc surface (83) contacts with the surface of roller (74), and the termination of described arc surface (83) is provided with a locating slot (84).
8. paper-pressing mechanism according to claim 1, it is characterized in that, described connecting rod (8) is L shaped, comprise one long-armed (81) and a galianconism (82), the upper end of described long-armed (81) is connected with rocking arm (7), the end of described galianconism (82) is connected with extension spring (10), and described elongated slot (80) is positioned on long-armed (81).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206179154U CN201889820U (en) | 2010-11-19 | 2010-11-19 | Paper pressing mechanism of paper cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206179154U CN201889820U (en) | 2010-11-19 | 2010-11-19 | Paper pressing mechanism of paper cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201889820U true CN201889820U (en) | 2011-07-06 |
Family
ID=44219296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206179154U Expired - Fee Related CN201889820U (en) | 2010-11-19 | 2010-11-19 | Paper pressing mechanism of paper cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201889820U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231622A (en) * | 2013-04-12 | 2013-08-07 | 山东山大鸥玛软件有限公司 | Paper pressing stretching mechanism for photographing platform |
| CN105751283A (en) * | 2016-03-09 | 2016-07-13 | 张素平 | Rapid paper plate fixing device of paper sheet cutting machine |
| CN109895173A (en) * | 2019-04-11 | 2019-06-18 | 罗福斯办公用品（滁州）有限公司 | A kind of paper pressing structure of hand papercutter |
| CN117730881A (en) * | 2024-02-21 | 2024-03-22 | 山西实普瑞起重机械有限公司 | Semi-automatic cake making machine |
| CN117730881B (en) * | 2024-02-21 | 2024-06-04 | 山西实普瑞起重机械有限公司 | Semi-automatic cake making machine |
-
2010
- 2010-11-19 CN CN2010206179154U patent/CN201889820U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231622A (en) * | 2013-04-12 | 2013-08-07 | 山东山大鸥玛软件有限公司 | Paper pressing stretching mechanism for photographing platform |
| CN103231622B (en) * | 2013-04-12 | 2015-06-24 | 山东山大鸥玛软件有限公司 | Paper pressing stretching mechanism for photographing platform |
| CN105751283A (en) * | 2016-03-09 | 2016-07-13 | 张素平 | Rapid paper plate fixing device of paper sheet cutting machine |
| CN105751283B (en) * | 2016-03-09 | 2018-02-27 | 何敏婷 | A kind of paper disc rapid fixing of paper cutting machine |
| CN109895173A (en) * | 2019-04-11 | 2019-06-18 | 罗福斯办公用品（滁州）有限公司 | A kind of paper pressing structure of hand papercutter |
| CN117730881A (en) * | 2024-02-21 | 2024-03-22 | 山西实普瑞起重机械有限公司 | Semi-automatic cake making machine |
| CN117730881B (en) * | 2024-02-21 | 2024-06-04 | 山西实普瑞起重机械有限公司 | Semi-automatic cake making machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110706 Termination date: 20131119 |