CN214455580U - Double-sheet detection device of paper feeder - Google Patents
Double-sheet detection device of paper feeder Download PDFInfo
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- CN214455580U CN214455580U CN202120686059.6U CN202120686059U CN214455580U CN 214455580 U CN214455580 U CN 214455580U CN 202120686059 U CN202120686059 U CN 202120686059U CN 214455580 U CN214455580 U CN 214455580U
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- guide post
- connecting block
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Abstract
The utility model discloses a double-sheet detection device of a paper feeder, which comprises a paper pressing wheel, a detection wheel, a proximity switch, a tension spring, an assembly plate, a fixed mounting plate, a hand wheel, a transmission shaft assembly, a concave connecting block, an upper connecting block, a left guide post and a right guide post, wherein the transmission shaft assembly comprises a second transmission shaft which is in threaded connection with the upper connecting block; the assembly plate, the concave connecting block and the upper connecting block synchronously move up and down. When the paper pressing machine works, the utility model discloses a fixed mounting board is fixed motionless, and when the hand wheel drove transmission assembly and rotated, each part (including pressing the paper wheel) on going up connecting block, "concave" font connecting block, assembly plate and the assembly plate carried out upper and lower motion to this paper that adapts to various different thickness.
Description
Technical Field
The utility model relates to a two detection device of paper guide especially indicates a adjust comparatively convenient two detection device.
Background
In the process of conveying paper by the paper feeder, double or multiple paper sheets can enter the paper conveying plate due to various reasons, if the paper sheets cannot be found in time, waste products can be generated, the printing quality is affected, and even mechanical equipment accidents can be caused. For this reason, a corresponding double sheet detection device is required on the paper feeder to prevent the above-mentioned problems from occurring.
The most common double detection device at present is a mechanical double detection device, which comprises a paper pressing wheel, a detection wheel, a proximity switch, a bracket, an adjusting mechanism and the like. The paper to be printed passes between the paper feeding roller and the paper pressing wheel, and the gap between the paper feeding roller and the paper pressing wheel is adjusted to be the same as the thickness of a single piece of paper to be printed through the adjusting mechanism. When double detection occurs, the paper pressing wheel is in contact with the detection wheel and drives the detection wheel to rotate, so that the proximity switch is switched on and sends a double signal, and the aim of double detection is fulfilled. Since the position of the paper feed roller is usually fixed, the height of the platen roller needs to be flexibly adjusted for different thicknesses of paper. The existing mechanical double-sheet detection device usually has the problem of inconvenient adjustment.
SUMMERY OF THE UTILITY MODEL
The utility model provides a two detection device of paper guide, its aim at overcome the two detection device of current mechanical type and adjust inconvenient problem.
In order to achieve the purpose, the utility model provides a technical scheme as follows:
the utility model provides a two detection device of paper guide, includes presses the paper wheel, detects wheel, proximity switch, extension spring and assembly plate, press paper wheel, detect wheel and proximity switch from bottom to top install in proper order in the leading flank of assembly plate, the one end of extension spring is connected in pressing the paper wheel, and the other end is connected in detecting the wheel, and it still includes: the device comprises a fixed mounting plate, a hand wheel, a transmission shaft assembly, a concave connecting block, an upper connecting block, a left guide post and a right guide post;
the concave-shaped connecting block comprises a left connecting part, a right connecting part and a front connecting part, one end of the left connecting part and one end of the right connecting part are respectively and fixedly connected to the assembling plate, and the other end of the left connecting part and the other end of the right connecting part are respectively and fixedly connected to the front connecting part; the upper connecting block is fixedly arranged on the top surface of the front side connecting part;
the transmission shaft assembly comprises a first transmission shaft in the horizontal direction, a coupler and a second transmission shaft in the vertical direction, one end of the coupler is connected to the first transmission shaft, and the other end of the coupler is connected to the second transmission shaft; the hand wheel is connected with the first transmission shaft, and the second transmission shaft is in threaded connection with the upper connecting block;
the fixed mounting plate is arranged on the front side of the assembling plate in parallel; the left guide post and the right guide post are parallel to each other, the upper ends of the left guide post and the right guide post are fixedly mounted on the fixed mounting plate, and the front side connecting portion can be axially movably mounted at the lower ends of the left guide post and the right guide post.
In a preferred embodiment, the upper end of the second transmission shaft is connected to the coupler, and the lower end of the second transmission shaft penetrates through the bottom surface of the fixed mounting plate.
In a recommended embodiment, the double-sheet detection device further comprises a left spring and a right spring, and the left spring is sleeved on the left guide post; the right side spring is sleeved on the right guide post.
In a preferred embodiment, the upper portion of the detection wheel has left and right arc segments.
In a preferred embodiment, the double sheet detection device further comprises a guide block parallel to the mounting plate, and the bottom surface of the guide block has an arc-shaped guide surface.
Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect: the utility model discloses a fixed mounting board is fixed motionless, and when the hand wheel drove drive assembly and rotates, go up each part (including pressing the paper wheel) on connecting block, "concave" font connecting block, assembly plate and the assembly plate and carry out upper and lower motion to this paper that adapts to various different thickness.
Drawings
Fig. 1 is a schematic structural view of the front side of the present invention.
Fig. 2 is a schematic sectional view along a-a direction in fig. 1.
Fig. 3 is a schematic front view of the concave connection block.
Detailed Description
For further understanding of the present invention, the present invention will be described in detail with reference to the following examples, which are provided for illustration of the present invention but are not intended to limit the scope of the present invention.
Referring to fig. 1 and 2, the double-sheet detection device of the paper guide comprises a paper pressing wheel 11, a detection wheel 12, a proximity switch 13, a tension spring 14, an assembly plate 2, a fixed mounting plate 3, a hand wheel 4, a transmission shaft assembly 5, a concave-shaped connecting block 6, an upper connecting block 7, a left guide column 81 and a right guide column 82.
With reference to fig. 1, the paper pressing wheel 11, the detection wheel 12 and the proximity switch 13 are sequentially installed on the front side surface of the assembly plate 2 from bottom to top, one end of the tension spring 14 is connected to the paper pressing wheel 11, and the other end is connected to the detection wheel 12. The fixed mounting plate 3 is fixed in the front side of assembly plate 2, and fixed mounting plate 3 is parallel with assembly plate 2 to fixed mounting plate 3 highly is greater than assembly plate 2's height, can see from the figure that fixed mounting plate 3's bottom surface is close with assembly plate 2's upper end height. In operation, if the paper is transported to a thickness exceeding the predetermined thickness, the paper pressing wheel 11 will be driven to rotate, and the paper pressing wheel 11 will drive the detection wheel 12 to rotate, so as to trigger the proximity switch 13. Since the paper pressing wheel 11, the detection wheel 12 and the proximity switch 13 are common in the art, the detailed structure thereof will not be described. As shown in fig. 1, the upper portion of the detection wheel 12 of the present embodiment has a left arc-shaped section 121 and a right arc-shaped section 122 which are symmetrical.
Referring to fig. 1 and 3, the female-shaped connecting block 6 includes a left connecting portion 61, a right connecting portion 62, and a front connecting portion 63, one ends of the left connecting portion 61 and the right connecting portion 62 are fixedly connected to the mounting plate 2, respectively, and the other ends of the left connecting portion 61 and the right connecting portion 62 are fixedly connected to the front connecting portion 63, respectively; the front side connecting portion 63 has guide holes 60 at left and right ends thereof, respectively. The upper connecting block 7 is fixedly mounted on the top surface of the front side connecting portion 63, and a threaded hole (not shown) is formed in the middle of the upper connecting block 7.
With continued reference to fig. 1, the transmission shaft assembly 5 includes a first transmission shaft 51 in the horizontal direction, a coupler 52 and a second transmission shaft 53 in the vertical direction, one end of the coupler 52 is connected to the first transmission shaft 51, and the other end is connected to the second transmission shaft 53; the hand wheel 4 is connected with the first transmission shaft 51, and the second transmission shaft 53 is in threaded connection with the upper connecting block 7. During operation, the hand wheel 4 drives the first transmission shaft 51 to rotate, and the first transmission shaft 51 drives the coupling 52 and the second transmission shaft 53 to rotate synchronously. In this embodiment, the second transmission shaft 53 penetrates the bottom surface of the fixed mounting plate 3, and the lower portion of the second transmission shaft 53 is provided with an external thread for matching with the threaded hole of the connecting block 7.
Referring to fig. 1, the left guide post 81 and the right guide post 82 are parallel to each other, the upper ends of the left guide post 81 and the right guide post 82 are fixedly mounted on the fixed mounting plate 3, the lower ends of the left guide post 81 and the right guide post 82 respectively extend into the corresponding guide holes 60, and the front connecting portion 63 is axially movably mounted on the lower ends of the left guide post 81 and the right guide post 82. As can be seen from the figure, the double-sheet detection device further comprises a left spring 83 and a right spring 84, wherein the left spring housing 83 is arranged on the left guide post 81; the right spring 84 is sleeved on the right guide post 82.
In addition, in the preferred embodiment, the double sheet detection device further comprises a guide block 9, the guide block 9 is parallel to the assembling plate 2, and the bottom surface of the guide block 9 is provided with an arc-shaped guide surface, so that paper can be conveniently conveyed to the double sheet detection device.
The present invention has been described in detail with reference to the embodiments, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (5)
1. The utility model provides a two detection device of paper guide, includes presses the paper wheel, detects wheel, proximity switch, extension spring and assembly plate, press paper wheel, detect wheel and proximity switch from bottom to top install in proper order in the leading flank of assembly plate, the one end of extension spring is connected in pressing the paper wheel, and the other end is connected in detecting the wheel, its characterized in that, it still includes: the device comprises a fixed mounting plate, a hand wheel, a transmission shaft assembly, a concave connecting block, an upper connecting block, a left guide post and a right guide post;
the concave-shaped connecting block comprises a left connecting part, a right connecting part and a front connecting part, one end of the left connecting part and one end of the right connecting part are respectively and fixedly connected to the assembling plate, and the other end of the left connecting part and the other end of the right connecting part are respectively and fixedly connected to the front connecting part; the upper connecting block is fixedly arranged on the top surface of the front side connecting part;
the transmission shaft assembly comprises a first transmission shaft in the horizontal direction, a coupler and a second transmission shaft in the vertical direction, one end of the coupler is connected to the first transmission shaft, and the other end of the coupler is connected to the second transmission shaft; the hand wheel is connected with the first transmission shaft, and the second transmission shaft is in threaded connection with the upper connecting block;
the fixed mounting plate is arranged on the front side of the assembling plate in parallel; the left guide post and the right guide post are parallel to each other, the upper ends of the left guide post and the right guide post are fixedly mounted on the fixed mounting plate, and the front side connecting portion can be axially movably mounted at the lower ends of the left guide post and the right guide post.
2. The double sheet detection device according to claim 1, wherein: the upper end of the second transmission shaft is connected to the coupler, and the lower end of the second transmission shaft penetrates through the bottom surface of the fixed mounting plate.
3. The double sheet detection device according to claim 1, wherein: the double-sheet detection device also comprises a left spring and a right spring, and the left spring is sleeved on the left guide post; the right side spring is sleeved on the right guide post.
4. The double sheet detection device according to claim 1, wherein: the upper part of the detection wheel is provided with a left arc-shaped section and a right arc-shaped section.
5. The double sheet detection device according to claim 1, wherein: the double-sheet detection device further comprises a guide block, the guide block is parallel to the assembling plate, and the bottom surface of the guide block is provided with an arc-shaped guide surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120686059.6U CN214455580U (en) | 2021-04-06 | 2021-04-06 | Double-sheet detection device of paper feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120686059.6U CN214455580U (en) | 2021-04-06 | 2021-04-06 | Double-sheet detection device of paper feeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214455580U true CN214455580U (en) | 2021-10-22 |
Family
ID=78177510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120686059.6U Active CN214455580U (en) | 2021-04-06 | 2021-04-06 | Double-sheet detection device of paper feeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214455580U (en) |
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2021
- 2021-04-06 CN CN202120686059.6U patent/CN214455580U/en active Active
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