CN217172693U - Centering mechanism and printing equipment - Google Patents
Centering mechanism and printing equipment Download PDFInfo
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- CN217172693U CN217172693U CN202220882345.4U CN202220882345U CN217172693U CN 217172693 U CN217172693 U CN 217172693U CN 202220882345 U CN202220882345 U CN 202220882345U CN 217172693 U CN217172693 U CN 217172693U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The utility model discloses a centering mechanism and printing equipment, the centering mechanism comprises a body, a first limiting part, a second limiting part, a gear, a pushing part and an electromagnetic driving device; the first limiting piece is provided with a first rack, the second limiting piece is provided with a second rack, and the pushing piece is provided with a third rack; the first limiting piece and the second limiting piece are at least partially arranged on two opposite sides of the working surface of the body respectively; the first rack and the second rack are meshed with the gear, the pushing piece is meshed with the gear through the third rack, the output end of the electromagnetic driving device is connected with the pushing piece and drives the pushing piece to reciprocate, the gear is driven to rotate through the third rack during reciprocating motion of the pushing piece, and the gear rotates to drive the first limiting piece and the second limiting piece to move relatively or back to back. The technical scheme provided by the centering mechanism and the printing equipment can automatically realize the centering operation of the paper, is convenient for the subsequent conveying process, and improves the conveying efficiency and conveying effect.
Description
Technical Field
The utility model belongs to the technical field of print auxiliary assembly, concretely relates to centering mechanism and printing apparatus.
Background
A typical printer collects printed sheets onto a delivery tray and then removes the sheets manually. But the manual work is accomplished and is got many times and take the paper after the printing, and intensity of labour is high, and efficiency is lower. With the increase of the demand of the society on intellectualization and the increase of office efficiency, automatic conveying equipment for paper documents without manual picking and placing is produced. Because the stacked paper output by the common printer is easy to stack and scatter in the stacking process, and the stacked paper stacking and scattering can influence the conveying process of the automatic conveying equipment, the requirement on the alignment of the paper in the conveying process of the automatic conveying equipment is higher. The traditional method generally adopts manual auxiliary operation, or performs centering work on paper output from a printer by means of a small number of tools, and the method wastes time and manpower, reduces conveying efficiency and conveying effect, and is not beneficial to the requirement of intellectualization.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a centering mechanism and printing apparatus for carry out automatic centering operation to the paper of printer main part output, realize automatic operation, in order to improve the efficiency of carrying and carry the effect.
The technical scheme for achieving the purpose comprises the following steps.
A centering mechanism comprises a body, a first limiting piece, a second limiting piece, a gear, a pushing piece and an electromagnetic driving device;
the first limiting piece is provided with a first rack, the second limiting piece is provided with a second rack, and the pushing piece is provided with a third rack; the first limiting piece and the second limiting piece are at least partially arranged on two opposite sides of the working surface of the body respectively; the first rack and the second rack are both meshed with the gear, the pushing piece is meshed with the gear through the third rack, the output end of the electromagnetic driving device is connected with the pushing piece and drives the pushing piece to reciprocate, the gear is driven to rotate through the third rack during reciprocating motion of the pushing piece, and the gear rotates to drive the first limiting piece and the second limiting piece to move relatively or back to back.
In some of these embodiments, the electromagnetic drive device comprises an electromagnetic drive member and a resilient member; the output end of the electromagnetic driving piece is connected with the pushing piece through the elastic piece, and the electromagnetic driving piece and the elastic piece form opposite acting force on the pushing piece to drive the pushing piece to reciprocate.
In some of these embodiments, the body includes a transport device for transporting the linear motion of the workpiece; the first limiting part and the second limiting part are at least partially arranged on two opposite sides of the conveying direction of the conveying device respectively.
In some of these embodiments, the conveyor comprises a mounting frame, a drive shaft, a driven shaft, a conveyor belt, and a rotary drive; the driving shaft and the driven shaft are both rotatably arranged on the mounting frame; the transmission belt is tensioned on the mounting rack through the matching of the driving shaft and the driven shaft; the rotary driving device is used for driving the driving shaft to rotate around the driving shaft so as to drive the conveying belt to rotate.
In some embodiments, the body further includes a first photoelectric switch disposed at a position of a conveying start end of the conveying device, and the first photoelectric switch is used for sensing whether the workpiece reaches the start end of the conveying device.
In some embodiments, the body further comprises a second photoelectric switch arranged at the conveying end position of the conveying device, and the second photoelectric switch is used for sensing whether the workpiece reaches the end point of the conveying device.
In some embodiments, the first limiting member is vertically provided with a first through hole, and the inner walls of two opposite sides of the first through hole are provided with the first rack; a second through hole is vertically formed in the second limiting piece, and the second racks are arranged on the inner walls of two opposite sides of the second through hole; the first limiting piece and the second limiting piece are symmetrically arranged, and the gear is sequentially inserted in the first through hole and the second through hole.
In some embodiments, the pushing member is vertically provided with a third through hole, the inner walls of two opposite sides of the third through hole are provided with the third rack, the pushing member is disposed on one side of the second limiting member away from the first limiting member and is perpendicular to the second limiting member, and the gear is sequentially inserted into the first through hole, the second through hole, and the third through hole.
In some embodiments, the first limiting member includes a first limiting portion and a second limiting portion vertically connected to the first limiting portion, one end of the first limiting portion, which is far away from the second limiting portion, is provided with the first rack, and the second limiting portion is exposed out of the working surface of the body; and/or the second limiting part comprises a third limiting part and a fourth limiting part vertically connected with the third limiting part, the second rack is arranged at one end, far away from the fourth limiting part, of the third limiting part, and the fourth limiting part is exposed out of the working surface of the body.
A printing apparatus comprising a printer body and a centering mechanism as described above; the printer main body is provided with a paper output port, and the centering mechanism is arranged at the paper output port.
The utility model provides a technical scheme has following advantage and effect:
the centering mechanism is characterized in that the first limiting part, the second limiting part and the pushing part are respectively meshed with a gear through a rack, and the electromagnetic driving device drives the pushing part to reciprocate, so that the gear rotating meshed with the pushing part is driven, the gear rotating drives the first limiting part and the second limiting part to move relatively or back to back, when the first limiting part and the second limiting part move relatively, the first limiting part and the second limiting part approach towards the body and perform centering adjustment on the position of a workpiece such as paper, so that the paper is limited in a fixed width range formed by the cooperation of the first limiting part and the second limiting part, so that the paper is placed at the correct position of the working face of the body, the centering operation of the paper is automatically realized, the subsequent conveying process is facilitated, and the conveying efficiency and the conveying effect are improved. In addition, through the meshing arrangement of the pushing piece and the gear, the linear driving force of the electromagnetic driving device can be converted into the rotary driving force, the output end of the electromagnetic driving device is not required to be coaxially arranged with the gear, the structural precision is reduced, the assembly is convenient, and a good transmission effect is achieved.
Drawings
Fig. 1 is a schematic structural view of a centering mechanism according to an embodiment of the present invention;
FIG. 2 is a cross-sectional structural schematic view of the centering mechanism of FIG. 1;
fig. 3 is an enlarged schematic view of a structure at a in fig. 2.
Description of reference numerals:
100. a centering mechanism;
1. a body; 11. a conveying device; 111. a mounting frame; 112. a drive shaft; 113. a driven shaft; 114. a conveyor belt; 115. a rotation driving device; 116. a first photoelectric switch; 117. a second photoelectric switch; 2. a first limit piece; 21. a first rack; 22. a first through hole; 23. a first limiting part; 24. a second limiting part; 3. a second limiting member; 31. a second rack; 32. a second through hole; 33. a third limiting part; 34. a fourth limiting part; 4. a gear; 5. a pusher member; 51. a third rack; 52. a third through hole; 6. an electromagnetic drive device; 61. an electromagnetic drive; 62. an elastic member.
Detailed Description
In order to facilitate an understanding of the invention, specific embodiments thereof will be described in more detail below with reference to the accompanying drawings.
As used herein, unless otherwise specified or defined, "first" and "second" … are used merely for name differentiation and do not denote any particular quantity or order.
As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items, unless specified or otherwise defined.
It should be noted that "fixed to" or "connected to" in this document may be directly fixed to or connected to one element or may be indirectly fixed to or connected to one element.
It should be noted that the centering mechanism 100 is used for centering a workpiece, and in the present embodiment, the centering mechanism 100 is used for centering a paper output from the printer main body; of course, in other embodiments, the centering mechanism 100 may also be used for centering other workpieces, such as plates, and the like, and is not limited herein.
The utility model provides a centering mechanism 100, as shown in fig. 1 to fig. 3, this centering mechanism 100 includes body 1, first locating part 2, second locating part 3, gear 4, impeller 5 and electromagnetic drive device 6.
The first limiting part 2 is provided with a first rack 21, the second limiting part 3 is provided with a second rack 31, and the pushing part 5 is provided with a third rack 51; the first limiting part 2 and the second limiting part 3 are respectively and at least partially arranged on two opposite sides of the working surface of the body 1, it should be noted that the working surface of the body 1 is used for bearing a workpiece such as paper to be centered, when the body 1 is used for bearing the paper, the size and the shape of the body 1 are consistent with those of the paper, when the paper is placed untidy or inclined relative to the working surface of the body 1, the paper needs to be centered at the moment, so that the paper is placed at the correct position of the working surface of the body 1. The first rack 21 and the second rack 31 are both meshed with the gear 4, the pushing member 5 is meshed with the gear 4 through the third rack 51, the output end of the electromagnetic driving device 6 is connected with the pushing member 5 and drives the pushing member 5 to reciprocate, the pushing member 5 drives the gear 4 to rotate through the third rack 51 during reciprocating motion, and the gear 4 rotates to drive the first limiting member 2 and the second limiting member 3 to move relatively or back to back.
It can be understood that, when the first limiting member 2 and the second limiting member 3 move relatively, the first limiting member 2 and the second limiting member 3 approach each other with respect to the working surface of the body 1, the portions of the first limiting member 2 and the second limiting member 3 disposed at opposite sides of the working surface of the body 1 approach each other toward the body 1, when the paper is placed irregularly or inclined with respect to the working surface of the body 1, so that the paper at least partially protrudes from the working surface of the body 1, the position of the paper can be centered and adjusted by the first limiting member 2 and the second limiting member 3 during the approach toward the body 1, so as to limit the paper within the fixed width range formed by the first limiting member 2 and the second limiting member 3, so that the paper can be placed at the correct position of the working surface of the body 1, and after the centering operation is completed, the first limiting member 2 and the second limiting member 3 move back to back, at this moment, the first limiting part 2 and the second limiting part 3 are far away from the working surface of the body 1, and the first limiting part 2 and the second limiting part 3 do not contact with paper, so that the paper can be conveniently taken out or the next transportation operation can be conveniently carried out.
In summary, the centering mechanism 100 is engaged with the gear 4 through the first limiting member 2, the second limiting member 3 and the pushing member 5 respectively by the rack, and drives the pushing member 5 to reciprocate through the electromagnetic driving device 6, thereby driving the gear 4 engaged with the pushing member 5 to rotate, the gear 4 rotates to drive the first limiting member 2 and the second limiting member 3 to move relatively or back to back, when the first limiting member 2 and the second limiting member 3 move relatively, the first limiting piece 2 and the second limiting piece 3 are close to the body 1 and perform centering adjustment on the position of a workpiece such as paper, so as to limit the paper within the fixed width range formed by the first limiting part 2 and the second limiting part 3, therefore, the paper is placed at the correct position of the working surface of the body 1, the centering operation of the paper is automatically realized, the subsequent conveying process is facilitated, and the conveying efficiency and the conveying effect are improved. In addition, through the meshing setting of impeller 5 and gear 4, can make the linear drive power of electromagnetic drive device 6 convert into rotary drive power, and need not to make the output of electromagnetic drive device 6 and gear 4 coaxial setting, reduce the structural accuracy, be convenient for assemble, and have good transmission effect.
In some embodiments, as shown in fig. 2 and 3, the electromagnetic driving device 6 includes an electromagnetic driving member 61 and an elastic member 62; the output end of the electromagnetic driving piece 61 is connected with the pushing piece 5 through the elastic piece 62, and the electromagnetic driving piece 61 and the elastic piece 62 form opposite acting force on the pushing piece 5 to drive the pushing piece 5 to reciprocate. It can be understood that the electromagnetic driving part 61 drives the pushing part 5 to move linearly, the driving gear 4 is driven to rotate during the linear movement of the pushing part 5, and the gear 4 rotates to drive the first limiting part 2 and the second limiting part 3 to move relatively, so as to center the paper; after the centering operation is completed, the electromagnetic driving part 61 returns to drive the pushing part 5 to move reversely, so as to drive the gear 4 to rotate reversely, the gear 4 rotates to drive the first limiting part 2 and the second limiting part 3 to move back to back, power supply and work do are not needed, energy can be effectively saved, or when the circuit is powered off, the pushing part 5 can be driven to move reversely through the automatic return of the elastic part 62, and the operation is simple and convenient. The elastic member 62 may be a spring or other elastic member.
In some embodiments, as shown in fig. 1, the body 1 comprises a conveying device 11 for conveying the linear movement of the workpiece; the first limiting part 2 and the second limiting part 3 are respectively at least partially arranged on two opposite sides of the conveying direction of the conveying device 11, so that the movement interference between the structures is avoided, namely, the first limiting part 2 and the second limiting part 3 can smoothly center and adjust paper, and the obstruction of the first limiting part 2 and the second limiting part 3 to the conveying of the paper is avoided. It can be understood that, the paper reaches the working surface of the conveying device 11 after being output from the printer main body, at this time, the first limiting part 2 and the second limiting part 3 drive relative movement through the cooperation of the electromagnetic driving device 6, the pushing part 5 and the gear 4, so as to perform centering adjustment on the paper on the working surface of the conveying device 11, the conveying device 11 can be synchronously started after the centering adjustment or in the centering adjustment process, and the conveying device 11 conveys the paper to a preset position or a next station, therefore, through the cooperation of the conveying device 11, the first limiting part 2 and the second limiting part 3, the conveying and centering adjustment operations on the paper can be simultaneously realized in one mechanism, and the operation is simple and convenient.
In some embodiments, as shown in fig. 1, the conveyor 11 includes a mounting frame 111, a drive shaft 112, a driven shaft 113, a conveyor belt 114, and a rotary drive 115; the driving shaft 112 and the driven shaft 113 are both rotatably arranged on the mounting frame 111; the transmission belt 114 is tightly tensioned on the mounting frame 111 through the matching of the driving shaft 112 and the driven shaft 113; the rotation driving device 115, such as a rotation motor, is used for driving the driving shaft 112 to rotate around the driving shaft 112 to drive the conveying belt 114 to rotate, so as to convey a workpiece, such as a paper, placed above the conveying belt 114 to a preset position. Of course, in other embodiments, the conveying device 11 may also adopt other transmission structures such as a transmission screw rod for conveying, and is not limited herein.
In some embodiments, as shown in fig. 1 and 2, the body 1 further includes a first photoelectric switch 116 disposed at a position of a conveyance start end of the conveyance device 11, and the first photoelectric switch 116 is used for sensing whether the workpiece reaches the start end of the conveyance device 11. It can be understood that when the first photoelectric switch 116 senses the paper, it controls the conveying device 11 and the electromagnetic driving member 61 to start, so as to perform centering adjustment on the paper and drive the paper to be conveyed to the preset position. Therefore, by providing the first photoelectric switch 116 at the conveyance start position of the conveyance device 11, whether the sheet reaches the conveyance device 11 can be quickly and accurately sensed, and the conveyance device 11 can be immediately started to convey the sheet and perform centering adjustment when the sheet reaches the conveyance device 11, thereby improving the automatic conveyance efficiency.
In some embodiments, as shown in fig. 1 and 2, the body 1 further includes a second photoelectric switch 117 disposed at a conveying end position of the conveying device 11, and the second photoelectric switch 117 is used for sensing whether the workpiece reaches an end point of the conveying device 11. It is understood that when the second photoelectric switch 117 senses the sheet, the conveying device 11 and the electromagnetic driving device 6 are controlled to be turned off, and the centering adjustment of the sheet and the sheet conveying operation are stopped. Through set up second photoelectric switch 117 in conveyor 11's transport end position department, can be fast and accurate perception paper arrive on the preset position to can stop conveyor 11 and electromagnetic drive 6 when the paper reachs the preset position immediately, improve the precision of automatic transport.
In the above, it should be noted that, as shown in fig. 1, in order to facilitate the first photoelectric switch 116 and the second photoelectric switch 117 to accurately sense the paper, specifically in this embodiment, two conveyor belts 114 of the conveying device 11 are provided, the two conveyor belts 114 are arranged in parallel, a gap exists between the two conveyor belts 114, and the first photoelectric switch 116 and the second photoelectric switch 117 are both located at the gap, so as to effectively avoid the influence of the conveyor belts 114 on the sensing sensitivity of the first photoelectric switch 116 and the second photoelectric switch 117.
In some embodiments, as shown in fig. 2 and 3, the first limiting member 2 is vertically provided with a first through hole 22, and an inner wall of the first through hole 22 is provided with a first rack 21; a second through hole 32 is vertically formed in the second limiting part 3, and a second rack 31 is arranged on the inner wall of the second through hole 32; the first limiting part 2 and the second limiting part 3 are symmetrically arranged, the gear 4 is sequentially inserted into the first through hole 22 and the second through hole 32, that is, the position of the first limiting part 2 corresponding to the first through hole 22 and the position of the second limiting part 3 corresponding to the second through hole 32 are at least partially stacked, and the first through hole 22 and the second through hole 32 are communicated, so that the gear 4 can be sequentially inserted into the first through hole 22 and the second through hole 32, so that the first rack 21 of the first limiting part 2 and the second rack 31 of the second limiting part 3 can be engaged with the gear 4, mutual interference between structures is effectively prevented, the compactness of the structure is improved, the first limiting part 2 and the second limiting part 3 can be driven to move relatively or back to back by rotation of the gear 4, and the width of the first through hole 22 and the second through hole 32 limits the moving area of the first limiting part 2 and the second limiting part 3, effectively prevent that first locating part 2, second locating part 3 and body 1 excessively press and lead to the structural deformation damage that leads to too close to first locating part 2 and second locating part 3. In the embodiment, the first through hole 22 and the second through hole 32 are both of a kidney-shaped hole structure to limit the width of the paper within a fixed range.
In some embodiments, as shown in fig. 2 and 3, the pushing member 5 is vertically provided with a third through hole 52, an inner wall of the third through hole 52 is provided with a third rack 51, the pushing member 5 is disposed on one side of the second limiting member 3 away from the first limiting member 2 and is perpendicular to the second limiting member 3, and the gear 4 is sequentially inserted into the first through hole 22, the second through hole 32, and the third through hole 52. It can be understood that the first rack 21, the second rack 31 and the third rack 51 are arranged in two directions, so that the first rack 21 and the second rack 31 can be symmetrically and horizontally installed, and the third rack 51 is vertically installed relative to the first rack 21 and the second rack 31 at a horizontal plane, so that the gravity resistances of the first rack 21 and the second rack 31 are consistent, and the first rack 21 and the second rack 31 can be conveniently reset through the elastic member 62.
In some embodiments, as shown in fig. 1 and fig. 2, the first limiting member 2 includes a first limiting portion 23 and a second limiting portion 24 vertically connected to the first limiting portion 23, one end of the first limiting portion 23 away from the second limiting portion 24 is provided with a first rack 21, and the second limiting portion 24 is exposed out of the working surface of the body 1; and/or the second limiting part 3 comprises a third limiting part 33 and a fourth limiting part 34 vertically connected with the third limiting part 33, one end of the third limiting part 33, which is far away from the fourth limiting part 34, is provided with a second rack 31, and the fourth limiting part 34 is exposed out of the working surface of the body 1. It can be understood that the second limiting portion 24 and the fourth limiting portion 34 are exposed out of the working surface of the main body 1, so that the second limiting portion 24 and the fourth limiting portion 34 can perform centering adjustment on paper placed on the working surface of the main body 1 when they move relatively in a matching manner.
Furthermore, it should be noted that, in some embodiments, as shown in fig. 1 and fig. 2, the first limiting member 2, the second limiting member 3, the gear 4, the pushing member 5 and the electromagnetic driving device 6 are all adapted to be disposed on the mounting block 111; specifically, in the embodiment, the mounting rack 111 includes a base and side plates disposed on two opposite sides of the base, the conveying device 11 is disposed on the base and located between the two side plates, and the gear 4, the pushing member 5 and the electromagnetic driving device 6 are disposed at the bottom of the conveying belt 114 of the conveying device 11, so as to improve the compactness. In addition, the second limiting portion 24 and the fourth limiting portion 34 are bent towards the side away from the body 1 to form a bending structure, and the respective bending positions of the second limiting portion 24 and the fourth limiting portion 34 are flush with the tops of the two side plates of the mounting frame 111.
The utility model also provides a printing device, which comprises a printer main body and the above centering mechanism 100; the printer body has a paper output port at which the centering mechanism 100 is disposed.
In summary, the printing apparatus is provided with the centering mechanism 100, the centering mechanism 100 is engaged with the gear 4 through the rack by the first limiting member 2, the second limiting member 3 and the pushing member 5, and the electromagnetic driving device 6 drives the pushing member 5 to reciprocate, so as to drive the gear 4 engaged with the pushing member 5 to rotate, the gear 4 rotates to drive the first limiting member 2 and the second limiting member 3 to move relatively or reversely, when the first limiting member 2 and the second limiting member 3 move relatively, the first limiting member 2 and the second limiting member 3 approach towards the main body 1 and perform centering adjustment on the position of a workpiece such as paper, so as to limit the paper within a fixed width range formed by the first limiting member 2 and the second limiting member 3, so that the paper is placed at the correct position of the working surface of the main body 1, so as to automatically realize centering operation of the paper, and facilitate subsequent conveying process, and improve the conveying efficiency and conveying effect. In addition, through the meshing setting of impeller 5 and gear 4, can make the linear drive power of electromagnetic drive device 6 convert into rotary drive power, and need not to make the output of electromagnetic drive device 6 and gear 4 coaxial setting, reduce the structural accuracy, be convenient for assemble, and have good transmission effect.
The above examples are not intended to be exhaustive list of the present invention, and there may be many other embodiments not listed. Any replacement and improvement made on the basis of not violating the conception of the utility model belong to the protection scope of the utility model.
Claims (10)
1. The centering mechanism is characterized by comprising a body, a first limiting piece, a second limiting piece, a gear, a pushing piece and an electromagnetic driving device;
the first limiting piece is provided with a first rack, the second limiting piece is provided with a second rack, and the pushing piece is provided with a third rack; the first limiting piece and the second limiting piece are at least partially arranged on two opposite sides of the working surface of the body respectively; the first rack and the second rack are both meshed with the gear, the pushing piece is meshed with the gear through the third rack, the output end of the electromagnetic driving device is connected with the pushing piece and drives the pushing piece to reciprocate, the gear is driven to rotate through the third rack during reciprocating motion of the pushing piece, and the gear rotates to drive the first limiting piece and the second limiting piece to move relatively or back to back.
2. The centering mechanism as claimed in claim 1, wherein said electromagnetic drive means comprises an electromagnetic drive member and a resilient member; the output end of the electromagnetic driving piece is connected with the pushing piece through the elastic piece, and the electromagnetic driving piece and the elastic piece form opposite acting force on the pushing piece to drive the pushing piece to reciprocate.
3. The centering mechanism as claimed in claim 1, wherein said body includes a conveying means for conveying the linear movement of the workpiece; the first limiting part and the second limiting part are at least partially arranged on two opposite sides of the conveying direction of the conveying device respectively.
4. The centering mechanism as claimed in claim 3, wherein said conveying means comprises a mounting frame, a driving shaft, a driven shaft, a conveyor belt and a rotary drive means; the driving shaft and the driven shaft are both rotatably arranged on the mounting frame; the transmission belt is tensioned on the mounting rack through the matching of the driving shaft and the driven shaft; the rotary driving device is used for driving the driving shaft to rotate around the driving shaft so as to drive the conveying belt to rotate.
5. The centering mechanism as claimed in claim 3, wherein said body further comprises a first photoelectric switch disposed at a position of a conveyance start end of said conveying means, said first photoelectric switch being for sensing whether a workpiece reaches the start point of said conveying means.
6. The centering mechanism as claimed in claim 3, wherein said body further comprises a second photoelectric switch disposed at a position of a conveying end of said conveying device, said second photoelectric switch being for sensing whether a workpiece reaches an end point of said conveying device.
7. The centering mechanism as claimed in any one of claims 1 to 6, wherein a first through hole is vertically formed in the first limiting member, and the first rack is disposed on inner walls of two opposite sides of the first through hole; a second through hole is vertically formed in the second limiting piece, and the second racks are arranged on the inner walls of two opposite sides of the second through hole; the first limiting piece and the second limiting piece are symmetrically arranged, and the gear is sequentially inserted in the first through hole and the second through hole.
8. The centering mechanism as claimed in claim 7, wherein a third through hole is vertically formed on the pushing member, the third rack is disposed on the inner wall of each of two opposite sides of the third through hole, the pushing member is disposed on one side of the second limiting member away from the first limiting member and perpendicular to the second limiting member, and the gear is sequentially inserted into the first through hole, the second through hole, and the third through hole.
9. The centering mechanism as claimed in any one of claims 1 to 6, wherein said first limiting member comprises a first limiting portion and a second limiting portion vertically connected to said first limiting portion, one end of said first limiting portion away from said second limiting portion is provided with said first rack, and said second limiting portion is exposed out of the working surface of said body; and/or the second limiting part comprises a third limiting part and a fourth limiting part vertically connected with the third limiting part, the second rack is arranged at one end, far away from the fourth limiting part, of the third limiting part, and the fourth limiting part is exposed out of the working surface of the body.
10. Printing apparatus, characterized in that it comprises a printer body and a centering mechanism according to any one of claims 1 to 9; the printer main body is provided with a paper output port, and the centering mechanism is arranged at the paper output port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220882345.4U CN217172693U (en) | 2022-04-14 | 2022-04-14 | Centering mechanism and printing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220882345.4U CN217172693U (en) | 2022-04-14 | 2022-04-14 | Centering mechanism and printing equipment |
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| Publication Number | Publication Date |
|---|---|
| CN217172693U true CN217172693U (en) | 2022-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220882345.4U Active CN217172693U (en) | 2022-04-14 | 2022-04-14 | Centering mechanism and printing equipment |
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| CN (1) | CN217172693U (en) |
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- 2022-04-14 CN CN202220882345.4U patent/CN217172693U/en active Active
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