CN212146686U - Paper pressing mechanism of paper cutter - Google Patents
Paper pressing mechanism of paper cutter Download PDFInfo
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- CN212146686U CN212146686U CN202020919900.7U CN202020919900U CN212146686U CN 212146686 U CN212146686 U CN 212146686U CN 202020919900 U CN202020919900 U CN 202020919900U CN 212146686 U CN212146686 U CN 212146686U
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- paper pressing
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- paper
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Abstract
A paper pressing mechanism of a paper cutting machine comprises a machine base and an operating platform, wherein a support plate is fixedly arranged in the machine base, a spring paper pressing mechanism is arranged on the support plate, the spring paper pressing mechanism comprises a paper pressing plate, a paper pressing spring and a spring connecting plate, two fixing blocks are fixedly arranged on the support plate, two first inclined sliding grooves are arranged in the spring connecting plate, the first end of the paper pressing spring is fixedly connected to the support plate, the second end of the paper pressing spring is fixedly connected to the spring connecting plate, two second inclined sliding grooves are arranged on the paper pressing plate, two gear shafts are vertically arranged on the support plate, gears are respectively sleeved on the two gear shafts, the bottom edge and the top edge of the spring connecting plate are respectively provided with a first rack, two second racks are respectively arranged on two side edges of the paper pressing plate, the side edges of the spring connecting plate are tangent to the periphery of a cam, the transmission mechanism has the advantages of constant transmission ratio, high transmission efficiency, reliable working performance and long service life.
Description
Technical Field
The utility model relates to the field of machinary, especially, relate to paper cutting device, particularly a nipper of paper cutter constructs.
Background
The paper cutter is widely used for cutting paper neatly in the binding process, and the requirement for cutting the paper in the later printing period is met. Among the prior art, the working process of power paper cutter is including pressing paper action and cut paper action, presses paper action in-process, and the connecting plate promotes the nipper through the inclined plane and presses paper, converts the transverse motion of connecting plate into the vertical motion of nipper, but relies on the inclined plane transmission accurate and stable inadequately, the performance is unreliable, life is not long.
Disclosure of Invention
The utility model provides a nipper of paper cutter, nipper of this kind of paper cutter solve among the prior art and rely on the transmission on inclined plane accurate inadequately and stable, the dependable performance, technical problem that life is not long.
The utility model relates to a paper pressing mechanism of a paper cutting machine, which comprises a frame and an operating platform, wherein the operating platform is arranged on the top surface of the frame, a supporting plate is fixedly arranged in the frame, the supporting plate is vertical to the operating platform, a power input shaft is arranged in the frame, a cam is arranged on the power input shaft, a spring paper pressing mechanism is arranged on the supporting plate,
the spring paper pressing mechanism comprises a paper pressing plate, a paper pressing spring and a spring connecting plate, the paper pressing plate is arranged on one side of the supporting plate in parallel, the spring connecting plate is arranged between the paper pressing plate and the supporting plate,
two fixing blocks are fixedly arranged on the supporting plate,
two first inclined sliding grooves are arranged in the spring connecting plate, the length directions of the two first inclined sliding grooves are parallel to each other,
the two fixed blocks respectively extend into the two first inclined chutes and form a linear sliding pair with the spring connecting plate,
the first end of the paper pressing spring is fixedly connected to the support plate, the second end of the paper pressing spring is fixedly connected to the spring connecting plate, the paper pressing spring biases the spring connecting plate to the first end of the paper pressing spring along the length direction of the first inclined chute,
the paper pressing plate is provided with two second inclined chutes, two first fixed blocks on the supporting plate respectively penetrate through the two second inclined chutes and form a linear sliding pair with the paper pressing plate,
two gear shafts are vertically arranged on the supporting plate, the two gear shafts are distributed at intervals, one gear is sleeved on each gear shaft,
the middle of the bottom edge and the top edge of the spring connecting plate are respectively provided with a first rack, the length directions of the two first racks are both parallel to the length direction of the first inclined chute, the two first racks are respectively meshed with the two gears,
the middle part of the paper pressing plate is provided with a hollow window, the hollow window comprises an upper edge and a lower edge which are parallel to each other, the length direction of the upper edge is parallel to the upper plane of the operating platform, two side edges of the paper pressing plate are respectively provided with a second rack, the length directions of the two second racks are both parallel to the length direction of the second inclined chute, the two second racks are respectively meshed with the two gears,
the side edge of the spring connecting plate is tangent to the periphery of the cam, and the spring connecting plate biases the paper pressing plate to the cam through the gear.
Preferably, a motor is fixedly arranged in the base, an output shaft of the motor is connected with the power input shaft through a transmission mechanism, and the power input shaft is arranged in the base through a bearing device.
Preferably, a hollow window is arranged in the supporting plate, and the power input shaft penetrates through the window.
Preferably, the length direction of the second inclined sliding chute is perpendicular to the length direction of the first inclined sliding chute.
Preferably, a cover is disposed on the upper side of the operating table, and the cover surrounds the upper portion of the support plate.
Compared with the prior art, the beneficial effects of the utility model are that: the motor drives the cam to rotate, paper pressing of the paper pressing plate is completed through the spring and the gear transmission, the gear transmission has wide application range of transmission power and speed, constant transmission ratio is achieved, transmission efficiency is high, working performance is reliable, and the service life is long. The elastic paper pressing mechanism has the servo and intelligent close-fitting synchronous follow-up pressing effect, and enables the spring force by utilizing the complementary energy load during cutting. The elasticity is released during blank cutting, and the load is not increased during pressing; the operating platform spring has the advantages of constant elasticity and convenience in adjusting the elasticity.
Drawings
Fig. 1 is a schematic view of an embodiment of a paper pressing mechanism of a paper cutter according to the present invention.
Fig. 2 is a schematic structural diagram of an initial state of the paper pressing mechanism of the paper cutting machine of the present invention.
Fig. 3 is a schematic structural diagram of a platen in a platen mechanism of a paper cutter according to the present invention.
Fig. 4 is a schematic structural diagram of a spring connecting plate of a paper pressing mechanism of the paper cutting machine of the present invention.
Detailed Description
Example 1
As shown in fig. 1-4, the paper pressing mechanism of the paper cutting machine of the present invention comprises a frame 1 and an operating platform 2, the operating platform 2 is disposed on the top surface of the frame 1, a supporting plate 5 is fixedly disposed in the frame 1, the supporting plate 5 is perpendicular to the operating platform 2, a power input shaft is disposed in the frame 1, a cam 15 is disposed on the power input shaft, a spring paper pressing mechanism is disposed on the supporting plate 5,
the spring paper pressing mechanism comprises a paper pressing plate 16, a paper pressing spring 6 and a spring connecting plate 14, the paper pressing plate 16 is arranged on one side of the supporting plate 5 in parallel, the spring connecting plate 14 is arranged between the paper pressing plate 16 and the supporting plate 5,
two fixing blocks 9 are fixedly arranged on the supporting plate 5,
two first inclined chutes 8 are arranged in the spring connecting plate 14, the length directions of the two first inclined chutes 8 are parallel to each other,
the two fixed blocks 9 respectively extend into the two first inclined chutes 8 and form a linear sliding pair with the spring connecting plate 14,
the first end of the paper pressing spring 6 is fixedly connected on the supporting plate 5, the second end of the paper pressing spring 6 is fixedly connected on the spring connecting plate 14, the paper pressing spring 6 biases the spring connecting plate 14 to the first end of the paper pressing spring 6 along the length direction of the first inclined chute 8,
two second inclined chutes 7 are arranged on the paper pressing plate 16, two first fixed blocks 9 on the supporting plate 5 respectively penetrate through the two second inclined chutes 7 and form a linear sliding pair with the paper pressing plate 16,
two gear shafts 12 are vertically arranged on the supporting plate 5, the two gear shafts 12 are distributed at intervals, one gear 11 is respectively and fixedly arranged on each gear shaft 12,
the bottom edge of one end part and the top edge of the other end part of the spring connecting plate 14 are respectively provided with a first rack 10, the length directions of the two first racks 10 are parallel to the length direction of the first inclined chute 8, the two first racks 10 are respectively meshed with the two gears 11,
a hollow window 4 is arranged in the middle of the paper pressing plate 16, the hollow window 4 comprises an upper edge and a lower edge which are parallel to each other, the length direction of the upper edge is parallel to the upper plane of the operating platform 2, second racks 13 are respectively arranged on two side edges of the paper pressing plate 16, the length directions of the two second racks 13 are both parallel to the length direction of the second inclined chute 7, the two second racks 13 are respectively meshed with the two gears 11,
the spring attachment plate 14 has sides tangent to the outer periphery of the cam 15, and the spring attachment plate 14 biases the paper pressing plate 16 toward the cam 15 via the gear 11.
Preferably, a motor (not shown) is fixedly arranged in the machine base 1, an output shaft of the motor is connected with a power input shaft through a transmission mechanism, and the power input shaft is arranged in the machine base 1 through a bearing device.
Preferably, a hollow window 17 is formed in the support plate 5, and the power input shaft passes through the window 17.
Preferably, the length direction of the second inclined chute 7 is perpendicular to the length direction of the first inclined chute 8.
Preferably, a cover 3 is provided on the upper side of the operation table 2, and the cover 3 surrounds the upper portion of the support plate 5.
The working principle of the embodiment is as follows: as shown in the figure, in an initial state, the large-radius part of the cam 15 pushes the spring connecting plate 14 to one side of the paper pressing spring 6, the spring connecting plate 14 compresses the paper pressing spring 6, the paper pressing spring 6 stores energy, the spring connecting plate 14 drives the paper pressing plate 16 to move upwards through the gear 11, the upper edge of the hollowed window 4 of the paper pressing plate 16 is lifted to the upper side of the operating platform 2, the part of the paper to be cut and removed is horizontally moved from the operating platform 2 to penetrate through the hollowed window 4 of the paper pressing plate 16 and is positioned, the motor is started, the cam 15 rotates for an angle, the small-radius part of the cam 15 is tangent to the spring connecting plate 14, the paper pressing plate 16 moves downwards under the action of the paper pressing spring 6, the spring connecting plate 14 and the gear 11, and the upper edge of the hollowed window 4 in the middle of the paper pressing plate.
Claims (5)
1. A paper pressing mechanism of a paper cutter comprises a base (1) and an operating platform (2), wherein the operating platform (2) is arranged on the top surface of the base (1), a supporting plate (5) is fixedly arranged in the base (1), the supporting plate (5) is perpendicular to the operating platform (2), a power input shaft is arranged in the base (1), a cam (15) is arranged on the power input shaft, a spring paper pressing mechanism is arranged on the supporting plate (5),
the spring paper pressing mechanism comprises a paper pressing plate (16), a paper pressing spring (6) and a spring connecting plate (14), the paper pressing plate (16) is arranged on one side of the supporting plate (5) in parallel, the spring connecting plate (14) is arranged between the paper pressing plate (16) and the supporting plate (5),
two fixing blocks (9) are fixedly arranged on the supporting plate (5),
two first inclined sliding chutes (8) are arranged in the spring connecting plate (14), the length directions of the two first inclined sliding chutes (8) are parallel to each other,
the two fixed blocks (9) respectively extend into the two first inclined chutes (8) and form a linear sliding pair with the spring connecting plate (14),
the first end of the paper pressing spring (6) is fixedly connected on the support plate (5), the second end of the paper pressing spring (6) is fixedly connected on the spring connecting plate (14), the paper pressing spring (6) biases the spring connecting plate (14) to the first end of the paper pressing spring (6) along the length direction of the first inclined chute (8),
the paper pressing plate (16) is provided with two second inclined sliding grooves (7), two first fixed blocks (9) on the supporting plate (5) respectively penetrate through the two second inclined sliding grooves (7) and form a linear sliding pair with the paper pressing plate (16),
two gear shafts (12) are vertically arranged on the supporting plate (5), the two gear shafts (12) are distributed at intervals, one gear (11) is respectively and fixedly arranged on each gear shaft (12),
the bottom edge and the top edge of the spring connecting plate (14) are respectively provided with a first rack (10), the length directions of the two first racks (10) are both parallel to the length direction of the first inclined sliding chute (8), the two first racks (10) are respectively meshed with the two gears (11),
the middle part of the paper pressing plate (16) is provided with a hollow window (4), the hollow window (4) comprises an upper edge and a lower edge which are parallel to each other, the length direction of the upper edge is parallel to the upper plane of the operating platform (2), two side edges of the paper pressing plate (16) are respectively provided with a second rack (13), the length directions of the two second racks (13) are both parallel to the length direction of the second inclined chute (7), the two second racks (13) are respectively meshed with the two gears (11),
the side edge of the spring connecting plate (14) is tangent to the periphery of the cam (15), and the spring connecting plate (14) biases the paper pressing plate (16) to the cam (15) through the gear (11).
2. The platen mechanism of a paper cutter according to claim 1, wherein: the motor is fixedly arranged in the base (1), an output shaft of the motor is connected with the power input shaft through a transmission mechanism, and the power input shaft is arranged in the base (1) through a bearing device.
3. The platen mechanism of a paper cutter according to claim 1, wherein: the support plate (5) is internally provided with a hollow window (17), and the power input shaft penetrates through the window (17).
4. The platen mechanism of a paper cutter according to claim 1, wherein: the length direction of the second inclined sliding groove (7) is vertical to the length direction of the first inclined sliding groove (8).
5. The platen mechanism of a paper cutter according to claim 1, wherein: the upper side of the operating platform (2) is provided with a cover shell (3), and the cover shell (3) surrounds the upper part of the supporting plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020919900.7U CN212146686U (en) | 2020-05-27 | 2020-05-27 | Paper pressing mechanism of paper cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020919900.7U CN212146686U (en) | 2020-05-27 | 2020-05-27 | Paper pressing mechanism of paper cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212146686U true CN212146686U (en) | 2020-12-15 |
Family
ID=73701588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020919900.7U Active CN212146686U (en) | 2020-05-27 | 2020-05-27 | Paper pressing mechanism of paper cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212146686U (en) |
-
2020
- 2020-05-27 CN CN202020919900.7U patent/CN212146686U/en active Active
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