CN106203542B

CN106203542B - Label width adjusting structure and printer thereof

Info

Publication number: CN106203542B
Application number: CN201610788892.5A
Authority: CN
Inventors: 庞静
Original assignee: Chongqing Wewin Technology Co ltd
Current assignee: Chongqing Wewin Technology Co ltd
Priority date: 2016-08-31
Filing date: 2016-08-31
Publication date: 2024-03-19
Anticipated expiration: 2036-08-31
Also published as: CN106203542A

Abstract

The invention provides a label width adjusting structure and a printer thereof, comprising a machine core, a left label limit seat and a right label limit seat which are arranged in the machine core, wherein a guide structure is arranged in the machine core, the label limit seat is arranged on the guide mechanism, an adjusting knob is also arranged on the machine core, and the adjusting knob drives the two label limit seats to move in opposite directions and in opposite directions along the guide mechanism through a transmission mechanism. The label limiting seat is also provided with a shifting block. The spacing seat of label accessible shifting block and adjust knob are adjusted alone, and two kinds of adjustment mode do not influence each other to when packing into label paper, can operate adjust knob by one hand, one hand installs label paper, convenient operation.

Description

Label width adjusting structure and printer thereof

Technical Field

The invention belongs to the technical field of printers, and particularly relates to a label width adjusting structure and a printer thereof.

Background

The label printer is a device for printing various image information such as bar codes, two-dimensional codes, graphics, characters and the like on labels by adopting a thermal sensitive and heat transfer printing mode, and is widely applied to the fields of POS terminal systems, banking systems, medical instruments and the like.

The current printer is in order to guarantee that label paper is by steady passing of carbon ribbon below, need set up the spacing seat of card paper, in order to adapt to the label of different width, require the spacing between the spacing seat of card paper adjustable, current card paper stop gear can only be adjusted through the mode of stirring, directly through stirring spacing seat side-to-side sliding adjustment card paper interval of shifting block, need both hands simultaneously at this operation when putting into the label, the operation is quite inconvenient and the operation is single this moment, simultaneously because the length of the spacing seat fore-and-aft direction of card paper is longer, produce the swing easily in stirring the in-process, can lead to the mechanism card to die when the spacing seat front and back portion walking speed of card paper is inconsistent. In addition, the traditional mode is to replace the label box by using different labels to achieve different widths, so that the cost of a user is increased, and the transportation and the storage are not facilitated.

Disclosure of Invention

In view of the above-mentioned shortcomings of the prior art, an object of the present invention is to provide a label width adjusting structure, which is convenient for width adjustment to adapt to labels with different widths, and is convenient for operation.

To achieve the above object and other related objects, the present invention provides the following technical solutions:

the utility model provides a label width adjustment structure, includes two labels spacing seats about in core and the installation core, be provided with guide structure in the core, the spacing seat of label erects on guide mechanism, still install adjust knob on the core, adjust knob passes through drive mechanism drive two spacing seats of label along guide mechanism opposite direction and reverse motion.

By adopting the structure, the space between the two label limiting seats is adjusted by rotating the adjusting knob, so that the operation is convenient compared with the traditional mode, and meanwhile, the other hand can be emptied for carrying out the installation operation of label paper.

As preferable: the machine core is internally provided with a gear and two racks which are positioned on two sides of the gear and meshed with the gear, each label limiting seat is arranged on one rack, and the adjusting knob drives the gear to rotate through a transmission part. The rotary motion is converted into linear motion through the gear rack mechanism, and the synchronous motion of one gear driving two racks is realized, so that the structure is simple, and the operation is convenient.

As preferable: the adjusting knob is vertically arranged on the outer side of the movement, and the gear is horizontally arranged at the bottom of the movement.

As preferable: the transmission part is a belt or a bevel gear pair. Since the rotation motion in the vertical direction is converted into the rotation motion in the horizontal direction, the transmission part is required to realize redirection, and both the bevel gear and the belt can be realized.

As preferable: the gear is provided with a belt groove, the adjusting knob is fixedly provided with a belt pulley, the belt bypasses the steering mechanism, two ends of the belt are respectively connected with the belt pulley and the belt groove, the adjusting knob is rotated, and the two label limiting seats are driven to synchronously move through the belt and the rack. The phenomenon of blocking can not be caused by utilizing the skidding performance of the belt.

As preferable: the steering mechanism comprises a bracket and a guide wheel set rotatably arranged on the bracket, the bracket is arranged on the movement, and the belt bypasses the guide wheel set to realize direction change.

As preferable: the guide mechanism comprises two guide grooves which are arranged in parallel, the rack is positioned below the guide grooves, the label limiting seat is positioned above the guide grooves, the lower part of the label limiting seat is connected with the rack through a connecting piece positioned in the guide grooves, and the width of the rack is larger than that of the guide grooves.

As preferable: the guide mechanism further comprises a first limit groove and a second limit groove which are arranged on the front side and the rear side of the guide groove in parallel, a limit block and a limit column are respectively arranged on the front side and the rear side of the tag limit seat, the limit block stretches into the first limit groove, and the limit column stretches into the second limit groove. The label limiting seat is guaranteed not to swing in the moving process through the first limiting groove and the second limiting groove, clamping is avoided, and stability is good.

As preferable: be provided with the shifting block on the spacing seat of label, be convenient for adjust the interval through the mode of stirring, have curved deflector on the spacing seat of label.

The invention also provides a printer comprising the label width adjusting structure.

The beneficial effects of the invention are as follows: the spacing seat of label accessible shifting block and adjust knob are adjusted alone, and two kinds of adjustment mode do not influence each other to when packing into label paper, can operate adjust knob by one hand, one hand installs label paper, convenient operation. Through belt drive's mode, can change at any time and stir the direction, and when the label mount pad reached maximum stroke position, continue to rotate adjust knob, but the belt idle running this moment, the rack and pinion also can not be damaged, has guaranteed drive mechanism's safety and stability. In the process that the spacing seat of label removed, guaranteed the uniformity of removal through stopper and spacing post in front and back, prevent its swing, the spacing seat of label self is shorter, also further avoids the swing in the removal in-process.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is an enlarged view of the guide mechanism of the present invention;

FIG. 3 is a cross-sectional view of a rack and pinion mounting structure of the present invention;

fig. 4 and 5 are schematic installation views of an adjusting knob, a gear, a rack and a label limiting seat in the present invention.

Description of the part reference numerals

1. Movement

2. Label limiting seat

21. Guide plate

22. Connecting piece

23. Limiting block

24. Spacing post

3. Adjusting knob

4. Shifting block

51. Transmission component

52. Belt pulley

53. Support frame

54. Guiding wheel set

55. Rack bar

56. Gear wheel

57. Baffle head

61. Guide groove

62. First limit groove

63. Second limit groove

Detailed Description

Further advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure of the present invention, which is described by the following specific examples.

Examples

As shown in fig. 1, fig. 2 and fig. 3, a label width adjusting structure comprises a machine core 1 and a left label limiting seat and a right label limiting seat 2 arranged in the machine core 1, wherein a guide structure is arranged in the machine core 1, the label limiting seats are arranged on the guide mechanism and can move left and right along the guide mechanism, an adjusting knob 3 is further arranged on the machine core 1, and the adjusting knob 3 drives the two label limiting seats 2 to move in opposite directions and in opposite directions along the guide mechanism through a transmission mechanism, so that width adjustment is realized.

For further convenient adjustment, be provided with the shifting block 4 on the spacing seat 2 of label, the interval of two spacing seats 2 of label is adjusted to accessible shifting block 4, and shifting block 4 has the concave design of arc, is convenient for finger operation. The label limiting seat 2 is provided with an arc-shaped guide plate 21, so that the labels can enter conveniently.

Specifically, as shown in fig. 3 to 5, a gear 56 is rotatably installed in the movement 1, two sides of the gear 56 are respectively provided with a rack 55 meshed with the gear 56, each label limiting seat 2 is correspondingly installed on one rack 55, the label limiting seat 2 and the rack 55 synchronously move, the adjusting knob 3 drives the gear 56 to rotate through a transmission part 51, and the rack 55 is synchronously driven to move in opposite directions or in opposite directions when the gear 56 rotates. The transmission member 51 and the rack gear 56 constitute a transmission mechanism.

In this example, the adjusting knob 3 is vertically installed at the outer side of the movement 1, the center line of the adjusting knob is horizontal, the outer circular surface of the adjusting knob 3 is provided with anti-slip teeth, the gear 56 is horizontally installed at the bottom of the movement 1, the rotation center line of the gear 56 is vertical, and the transmission part 51 can be a belt or a bevel gear 56 pair.

In this case, a belt is preferable, specifically, a belt wheel is provided on the gear 56, a belt groove is provided on the belt wheel, a belt wheel 52 is coaxially fixed on the adjusting knob 3, the belt bypasses the steering mechanism, and is respectively sleeved on the belt wheel 52 and the belt groove, the adjusting knob 3 is rotated, and the two label limiting bases 2 are driven to synchronously move by the belt and the rack 55.

The steering mechanism comprises a support 53 and a guide wheel set 54, wherein the support 53 is arranged on one side, close to the adjusting knob 3, of the movement 1, a mounting groove is formed in the support 53, the guide wheel set 54 is arranged in the mounting groove of the support 53 through a rotating shaft, a clamping groove for accommodating the rotating shaft is formed in the support 53, the guide wheel set 54 comprises two guide wheels, the middle of each guide wheel is provided with a concave portion, a belt bypasses the concave portion of each guide wheel to achieve direction change of driving force, and rotary motion in the vertical plane of the adjusting knob 3 is converted into rotary motion in the horizontal plane of the gear 56.

The guide mechanism comprises two guide grooves 61 which are arranged in parallel, the two guide grooves 61 are staggered left and right and are adjacent front and back, the rack 55 is positioned below the guide grooves 61, the label limiting seat 2 is positioned above the guide grooves 61, the lower part of the label limiting seat is connected with the rack 55 through the connecting piece 22, the tail end of the rack 55 is provided with a blocking head 57, the blocking head 57 blocks the gear 56 when moving to the gear 56, the rack 55 is prevented from continuously moving to slide out of the gear 56, and meanwhile the blocking head 57 is also used as a connecting part and fixedly connected with the connecting piece 22 through a screw. In order to facilitate the smooth movement of the label spacing seat 2 in this example, the inner wall of the guide groove 61 is an inclined surface matched with the label spacing seat 2.

Further, the guiding mechanism further comprises a first limiting groove 62 and a second limiting groove 63, which are arranged on the front sides and the rear sides of the two guiding grooves 61 in parallel, the first limiting groove 62 and the second limiting groove 63 are two sections, the middle part of each of the two limiting grooves is separated to limit the moving range of the two label limiting seats 2, a limiting block 23 and a limiting column 24 are respectively arranged on the front and the rear sides of the label limiting seats 2, the limiting block 23 stretches into the first limiting groove 62 and can slide along the first limiting groove 62, and the limiting column 24 stretches into the second limiting groove 63 and can slide along the second limiting groove 63.

The label spacing seat 2 mainly moves along the guide slot 61, sets up supplementary first spacing groove 62 and second spacing groove 63 in the guide slot 61 both sides, forms preceding, well, back formula guide structure to dispose stopper 23 and spacing post 24 that corresponds, stopper 23 and spacing post 24 are located the front and back portion of label spacing seat 2, and rack 55 is connected at label spacing seat 2 middle part, so at the in-process that label spacing seat 2 removed, guaranteed the uniformity of removal through stopper 23 and spacing post 24 in front and back, prevented its swing, label spacing seat 2 self is shorter, has also further avoided the swing at the in-process of removing.

Meanwhile, the label limiting seat 2 can be independently adjusted through the shifting block 4 and the adjusting knob 3, the two adjusting modes are not mutually influenced, and when label paper is loaded, the adjusting knob 3 can be operated by one hand, the label paper is mounted by the other hand, and the operation is convenient. Through belt drive's mode, can change at any time and stir the direction, and when the label mount pad reached the maximum stroke position, continue to rotate adjust knob 3, but the belt idle running this moment, gear 56 and rack 55 also can not be damaged, have guaranteed drive mechanism's safety and stability.

The invention also provides a printer, which comprises the label width adjusting structure, and naturally also comprises the prior structures such as a shell, a label frame, a printing head and the like, which are not repeated here.

Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims

1. A label width adjustment structure, its characterized in that: the automatic setting machine comprises a machine core, a left label limit seat and a right label limit seat which are arranged in the machine core, wherein a shifting block is arranged on the label limit seat, a guide structure is arranged in the machine core, the label limit seat is arranged on the guide mechanism in a erected mode, an adjusting knob is further arranged on the machine core, and the adjusting knob drives the two label limit seats to move oppositely and reversely along the guide mechanism through a transmission mechanism; a gear and two racks which are positioned on two sides of the gear and meshed with the gear are arranged in the movement, each label limiting seat is arranged on one rack, and the adjusting knob drives the gear to rotate through a transmission part; the guide mechanism comprises two guide grooves which are arranged in parallel, the rack is positioned below the guide grooves, the label limiting seat is positioned above the guide grooves, the lower part of the label limiting seat is connected with the rack through a connecting piece positioned in the guide grooves, and the width of the rack is larger than that of the guide grooves; the guide mechanism further comprises a first limit groove and a second limit groove which are arranged on the front side and the rear side of the guide groove in parallel, a limit block and a limit column are respectively arranged on the front side and the rear side of the tag limit seat, the limit block stretches into the first limit groove, and the limit column stretches into the second limit groove.

2. A label width adjustment structure according to claim 1, characterized in that: the adjusting knob is vertically arranged on the outer side of the movement, and the gear is horizontally arranged at the bottom of the movement.

3. A label width adjustment structure according to claim 1, characterized in that: the transmission part is a belt or a bevel gear pair.

4. A label width adjustment structure according to claim 3, characterized in that: the gear is provided with a belt groove, the adjusting knob is fixedly provided with a belt pulley, the belt bypasses the steering mechanism, two ends of the belt are respectively connected with the belt pulley and the belt groove, the adjusting knob is rotated, and the two label limiting seats are driven to synchronously move through the belt and the rack.

5. A label width adjustment mechanism according to claim 4, wherein: the steering mechanism comprises a bracket and a guide wheel set rotatably arranged on the bracket, the bracket is arranged on the movement, and the belt bypasses the guide wheel set to realize direction change.

6. A label width adjustment structure according to claim 1, characterized in that: the label limiting seat is provided with an arc-shaped guide plate.

7. A printer, characterized by: a label width adjustment structure comprising any one of claims 1-6.