CN217259206U

CN217259206U - Scanning platform device for printer

Info

Publication number: CN217259206U
Application number: CN202122311057.1U
Authority: CN
Inventors: 李大鹏; 陈跃腾; 刘远明
Original assignee: Ningbo Deli Kebei Technology Co Ltd
Current assignee: Ningbo Deli Kebei Technology Co Ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-08-23
Anticipated expiration: 2031-09-18

Abstract

The utility model relates to a scanning platform device for printer, include: a base having a laterally extending slide rail; the sliding block is slidably constrained on the sliding rail; the scanning assembly is arranged on the sliding block and can move along with the sliding block; the transmission belt is connected with the sliding block and is driven by the driving motor to drive the sliding block to move; the slider is provided with a positioning clamping groove with an open upper part, a positioning tooth part used for being connected with the transmission belt is arranged on the side wall surface of the positioning clamping groove, and the slider is further provided with a limiting blocking part which extends towards the opening in the upper part of the positioning clamping groove and shields the opening. This scanning platform device for printer easy to assemble, and can effectively avoid driving belt to install and deviate from after target in place.

Description

Scanning platform device for printer

Technical Field

The utility model relates to a printer technical field especially relates to a scanning platform device for printer.

Background

The scanning module (e.g., CIS scanning module) is an important component of the printer. The scanning module is usually driven by a belt to reciprocate to acquire image information. The scanning module is usually arranged on a slide block and is driven by a belt to realize reciprocating motion.

The problem of belt falling during assembly and finished product transportation of a traditional printer is solved, and the applicant analyzes and finds that a mounting bayonet is arranged at the bottom of a base for fixing a belt of the traditional printer, a sliding block needs to be firstly turned over once to assemble the belt into the bayonet during production and assembly, and then is turned over once to be mounted on the machine, wherein a design mechanism for preventing the belt from falling off only has two protruding support arm structures, and the belt naturally sags under the action of gravity, so that the falling risk is increased; on the other hand, the slider is overturned for a plurality of times, so that the assembly efficiency is low, and the product production speed is not favorably improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to prior art's current situation, provide a scanning platform device for printer that easy to assemble, and can effectively avoid driving belt to install and deviate from after targetting in place.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a scanning platform assembly for a printer, comprising:

a base having a laterally extending slide rail;

a slide block which is slidably constrained on the slide rail,

the scanning assembly is arranged on the sliding block and can move along with the sliding block;

the transmission belt is connected with the sliding block and is driven by the driving motor to drive the sliding block to move;

the slider is provided with a positioning clamping groove with an open upper part, a positioning tooth part used for being connected with the transmission belt is arranged on the side wall surface of the positioning clamping groove, and the slider is further provided with a limiting blocking part which extends towards the opening in the upper part of the positioning clamping groove and shields the opening.

In order to form the positioning clamping groove structure, the sliding block comprises a sliding block body, a horizontally extending supporting plate is arranged at the bottom of the sliding block body, an upward extending vertical plate is arranged at the side edge of the supporting plate, and the positioning clamping groove is defined among the supporting plate, the vertical plate and the sliding block body.

In order to avoid the belt from being separated from the opening at the upper part of the positioning clamping groove, the upper part of the sliding block body is provided with an extending support arm which horizontally extends from the sliding block body to the vertical plate and is used as the limit stop part.

In order to realize positioning fit with the transmission belt and ensure the strength of the vertical plate, the cross section of the vertical plate is semicircular, and the wall surface of the vertical plate facing the inside of the positioning clamping groove is provided with the positioning tooth part.

For convenient processing, slider body, backup pad, riser and extension support arm design as an organic whole.

In order to further prevent the belt from being separated from the upper opening of the positioning card slot, the bottom of the scanning assembly covers the opening of the positioning card slot.

In order to facilitate the connection of the scanning module and the sliding block, the scanning assembly comprises a bracket and a scanning module arranged on the bracket, and the bracket is detachably connected to the top of the sliding block and covers the opening of the positioning clamping groove.

In order to facilitate the belt to be loaded from the upper part of the positioning clamping groove from top to bottom, a guide inclined plane which is gradually inclined towards the vertical plate from top to bottom is arranged on the slider body corresponding to the position of the opening of the positioning clamping groove.

Compared with the prior art, the utility model has the advantages that:

1. because positioning slot on the slider is uncovered on upper portion, therefore need not overturn when assembling drive belt, can be directly with drive belt from positioning slot's the uncovered dress of upper portion wherein can, assembly process is very convenient and fast, simplifies the assembly flow, promotes production efficiency.

2. The slider is provided with a limiting stop part as an anti-disengaging structure at an upper open position corresponding to the positioning clamping groove, so that the problem that the transmission belt is separated from the positioning clamping groove due to severe vibration in the transportation process is solved.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a schematic perspective view of FIG. 1 without the base;

FIG. 3 is an exploded view of FIG. 2;

fig. 4 is a schematic perspective view of a slider according to an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the disclosed embodiments of the invention may be oriented in different directions and the directional terms are intended to be illustrative and should not be construed as limiting, such as "upper" and "lower" are not necessarily limited to directions opposite or coincident with the direction of gravity. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

Referring to fig. 1-4, a scanning platform assembly for a printer includes a base 10, a slider 20, a scanning assembly 30, and a driving belt 40. The base 10 is a platform structure, and has a sliding rail 11 extending transversely, the slider 20 is slidably constrained on the sliding rail 11, and the scanning assembly 30 is disposed on the slider 20 and can move with the slider 20. The driving belt 40 is also disposed to extend in the lateral direction, and the driving belt 40 is driven by the driving motor to rotate (forward or reverse). The endless rotation of the driving belt 40 drives the slider 20 to reciprocate.

Referring to fig. 2, the bottom of the sliding block 20 has a limiting groove 210 adapted to the sliding rail 11, and the sliding block 20 can slide linearly by limiting the limiting groove 210 and the sliding rail 11.

With continued reference to fig. 2, the scanning assembly 30 includes a support 31 and a scanning module 32 disposed on the support 31. The bracket 31 of this embodiment has a bar shape, and is substantially perpendicular to the moving direction of the slider 20. The bracket 31 may be attached to the top of the slider 20 by screws. The scanning module 32 is also substantially strip-shaped and is correspondingly mounted on a strip-shaped support 31. In addition, after the bracket 31 is assembled, the bottom wall of the bracket 31 may cover the opening of the positioning notch 24 (described below) of the slider 20.

Referring to fig. 4, the slider 20 has a positioning slot 24 with an open upper portion, specifically, the slider 20 includes a slider body 21, a supporting plate 22, a vertical plate 23 and an extending arm 25, the supporting plate 22 extends horizontally from the bottom to the side of the slider body 21, the vertical plate 23 is disposed on the side edge of the supporting plate 22 and extends upward, wherein the supporting plate 22, the vertical plate 23 and the slider body 21 together define the positioning slot 24.

The cross section of the vertical plate 23 of this embodiment is semicircular, and a positioning tooth 231 is formed on the wall surface of the vertical plate 23 facing the inside of the positioning slot 24, and the positioning tooth 231 can be in positioning fit with the transmission belt 40, so as to drive the slider 20 and the scanning assembly 30 disposed therein to reciprocate.

With continued reference to fig. 4, the upper portion of the slider body 21 has an extending arm 25 extending horizontally from the slider body 21 to the vertical plate 23, and the extending arm 25 can be used as a limit stop (only shown in fig. 4) for blocking the upper opening of the positioning slot 24. The extension arm 25 is provided to prevent the belt from coming out of the upper opening of the retainer slot 24.

The slider body 21, the supporting plate 22, the vertical plate 23 and the extending arm 25 of the present embodiment are integrally designed, for example, they can be integrally injection molded.

The scanning platform device for the printer has the advantages that: firstly, because positioning slot 24 on slider 20 is uncovered in upper portion, therefore need not overturn when assembling drive belt 40, can directly with drive belt 40 from positioning slot 24's uncovered packing into wherein in can, assembly process is very convenient and fast, simplifies the assembly flow, promotes production efficiency. On the other hand, the slider 20 is further provided with a limit stop portion as an anti-disengaging structure at an upper open position corresponding to the positioning slot 24, so that the problem that the transmission belt 40 is disengaged from the positioning slot 24 due to severe vibration in the transportation process is avoided.

Claims

1. A scanning platform assembly for a printer, comprising:

a base (10) having a laterally extending slide rail (11);

a sliding block (20) which is slidably constrained on the sliding rail (11),

the scanning assembly (30) is arranged on the sliding block (20) and can move along with the sliding block (20);

the transmission belt (40) is connected with the sliding block (20) and is driven by the driving motor to drive the sliding block (20) to move;

the method is characterized in that: the sliding block (20) is provided with a positioning clamping groove (24) with an upper opening, a positioning tooth part (231) used for being connected with the transmission belt (40) is arranged on the side wall surface of the positioning clamping groove (24), and the sliding block (20) is further provided with a limit stop part which extends towards the opening on the upper part of the positioning clamping groove (24) and shields the opening.

2. The scanning platform assembly for printers of claim 1, wherein: the slider (20) comprises a slider body (21), a horizontally extending supporting plate (22) is arranged at the bottom of the slider body (21), an upward extending vertical plate (23) is arranged at the side edge of the supporting plate (22), and the supporting plate (22), the vertical plate (23) and the slider body (21) jointly define a positioning clamping groove (24).

3. The scanning platform device for printer according to claim 2, wherein: the upper part of the sliding block body (21) is provided with an extending support arm (25) which horizontally extends from the sliding block body (21) to the vertical plate (23) and is used as the limit stop part.

4. The scanning platform device for printer according to claim 2, wherein: the cross section of the vertical plate (23) is semicircular, and the wall surface of the vertical plate (23) facing the inside of the positioning clamping groove (24) is provided with the positioning tooth part (231).

5. The scanning platform assembly for printers of claim 3, wherein: the sliding block body (21), the supporting plate (22), the vertical plate (23) and the extension supporting arm (25) are designed into a whole.

6. The scanning platform device for printer according to any one of claims 1-5, wherein: the bottom of the scanning assembly (30) covers the opening of the positioning card slot (24).

7. The scanning platform assembly for printers of claim 6, wherein: the scanning assembly (30) comprises a support (31) and a scanning module (32) arranged on the support (31), wherein the support (31) is detachably connected to the top of the sliding block (20) and covers the opening of the positioning clamping groove (24).

8. The scanning platform assembly for printers according to any one of claims 2-5, wherein: the slider body (21) is provided with a guide inclined plane (26) which is gradually inclined towards the vertical plate (23) from top to bottom at the position corresponding to the opening of the positioning clamping groove (24).