CN214928257U

CN214928257U - Printer device

Info

Publication number: CN214928257U
Application number: CN202120338915.9U
Authority: CN
Inventors: 周大鹏; 张志杰
Original assignee: Beijing Zhongxin Zhixin Technology Co ltd
Current assignee: Beijing Zhongxin Zhixin Technology Co ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-11-30
Anticipated expiration: 2031-02-05

Abstract

The present disclosure provides a printer apparatus including: a rotating assembly including a holding mechanism having a circular shape, a plurality of holding portions provided at a circumferential edge of the holding mechanism, the holding portions being for holding an object to be printed, the holding mechanism being capable of being driven to rotate so as to rotate the object to be printed held by at least one of the holding portions to a position to be printed; the ribbon transmission and holding component is used for transmitting and holding the ribbon; and the printing head assembly comprises a printing head, and the printing head can heat the ink ribbon so as to print the information carried by the printing head on the object to be printed which is rotated to the position to be printed through the ink ribbon.

Description

Printer device

Technical Field

The present disclosure belongs to the technical field of printers, and particularly relates to a printer device.

Background

In the prior art, a test tube printer usually prints required information on label paper, and then sticks the label paper to the outer wall of a test tube.

However, different test tube holding environments are involved due to different uses of the test tubes, such as shaking during transportation, and a cold storage environment, and the label paper on the outer wall of the test tube is very easy to fall off or the content of the paper is damaged during the process.

The structure of the test tube printer in the prior art is still not perfect enough, and reliability, printing efficiency and the like need to be further improved.

SUMMERY OF THE UTILITY MODEL

To solve at least one of the above technical problems, the present disclosure provides a printer apparatus.

The printer device of the present disclosure is realized by the following technical solutions.

According to an aspect of the present disclosure, there is provided a printer apparatus including:

a rotating assembly including a holding mechanism having a circular shape, a plurality of holding portions provided at a circumferential edge of the holding mechanism, the holding portions being for holding an object to be printed, the holding mechanism being drivable to rotate so as to rotate the object to be printed held by at least one of the holding portions to a position to be printed;

a ribbon transport holding assembly for transporting and holding a ribbon; and the number of the first and second groups,

a printhead assembly including a printhead capable of heating the ribbon to print information carried by the printhead through the ribbon onto an object to be printed rotated to the position to be printed.

According to the printer device of at least one embodiment of the present disclosure, the plurality of holding portions are uniformly provided along the circumferential edge of the holding mechanism.

According to the printer device of at least one embodiment of the present disclosure, the holding portion is a holding hole that can be passed through by and holds the object to be printed.

According to the printer apparatus of at least one embodiment of the present disclosure, a circumferential edge of the holding hole is provided with a flexible portion.

According to the printer apparatus of at least one embodiment of the present disclosure, the flexible portion is an elastic ring.

According to the printer device of at least one embodiment of the present disclosure, a center position of the holding mechanism is provided with a center hole via which the holding mechanism can be driven to rotate.

According to the printer device of at least one embodiment of the present disclosure, the rotating assembly further includes a first driving device including a first driving motor for driving the holding mechanism to rotate.

According to the printer device of at least one embodiment of the present disclosure, the first driving device further includes a first gear assembly provided on the first base portion, and a first base portion on which the first driving motor is provided, the first driving motor transmitting a rotational motion to the holding mechanism via the first gear assembly.

According to the printer device of at least one embodiment of the present disclosure, the first base portion is provided with a bearing portion for mounting a drive lever to which the first drive motor transmits a rotational motion via the first gear assembly, the drive lever transmitting the rotational motion to the holding mechanism.

According to the printer device of at least one embodiment of the present disclosure, the first gear assembly includes a first gear to which the first drive motor transmits a rotational motion through a motor output shaft, and a second gear to which the rotational motion is transmitted through a bearing portion.

The printer device according to at least one embodiment of the present disclosure further includes a pressure providing assembly for applying pressure to the object to be printed rotated to the position to be printed such that the object to be printed is in stable contact with the ribbon.

According to the printer device of at least one embodiment of the present disclosure, the pressure providing assembly includes a second driving device, a reversing assembly and a pressure applying assembly, the second driving device outputs a rotation motion, the reversing assembly converts the rotation motion output by the second driving device into a linear motion, and the linear motion is transmitted to the pressure applying assembly, so that the pressure applying assembly applies pressure to an object to be printed at a position to be printed.

According to the printer device of at least one embodiment of the present disclosure, the second driving device includes a second driving motor and a second driving motor support portion for stably supporting the second driving motor.

According to the printer device of at least one embodiment of this disclosure, the switching-over subassembly includes shaft coupling, lead screw nut piece, elasticity portion and drive block, the second drive arrangement passes through the shaft coupling will rotate the action and transmit to the lead screw, lead screw nut piece cover is established on the lead screw, the first end of elasticity portion with lead screw nut piece fixed connection, the second end of elasticity portion with drive block fixed connection, the rotatory action quilt of lead screw the lead screw nut piece converts the straight line action into, the straight line action of lead screw nut piece transmit to the drive block.

According to the printer device of at least one embodiment of the present disclosure, the reversing assembly further includes a connecting portion, the connecting portion is fixedly connected with the driving block, and the connecting portion is used for fixing the pressure applying assembly.

According to the printer device of at least one embodiment of the present disclosure, the connecting portion is a transverse bar on which a plurality of fixing positions for fixing the pressure applying assembly are provided.

According to the printer device of at least one embodiment of the present disclosure, the reversing assembly further includes a guide rail, a first slider and a second slider, the lead screw nut block is fixedly disposed on the first slider, the driving block is fixedly disposed on the second slider, and the first slider and the second slider can slide on the guide rail.

According to the printer device of at least one embodiment of the present disclosure, the reversing assembly further includes two connecting plates, the first slider and the second slider are respectively connected with one connecting plate, and the connecting plate and the guide rail have matching shapes, so that the first slider and the second slider both slide on the guide rail through the connecting plates.

According to the printer device of at least one embodiment of the present disclosure, the reversing assembly further includes a first pressure sensor that detects a magnitude of pressure output by the driving block by detecting a deformation amount of the elastic portion.

According to the printer apparatus of at least one embodiment of the present disclosure, the elastic portion is a spring.

According to the printer device of at least one embodiment of this disclosure, the pressure application assembly includes two force application portions, and each force application portion includes a deep groove ball bearing portion and a support frame, the deep groove ball bearing portion includes a plurality of deep groove ball bearings, the deep groove ball bearing portion is disposed on the support frame through a bearing mounting shaft, and both the force application portions apply pressure to the object to be printed through the deep groove ball bearing portion.

According to the printer device of at least one embodiment of the present disclosure, each of the support frames is detachably and fixedly connected with the connecting portion.

According to the printer device of at least one embodiment of this disclosure, the print head assembly further comprises a print head support for supporting the print head.

The printer device according to at least one embodiment of the present disclosure further includes a first sensor for detecting whether any of the plurality of holding parts is loaded with an object to be printed when the holding part is rotated to the position to be printed.

According to the printer device of at least one embodiment of the present disclosure, the object to be printed is a test tube.

According to the printer device of at least one embodiment of this disclosure, the typewriter ribbon transmission keeps the subassembly including typewriter ribbon guide post, typewriter ribbon tensioning part, typewriter ribbon driven component and typewriter ribbon drive assembly, and the typewriter ribbon passes through in proper order typewriter ribbon driven component, typewriter ribbon tensioning part, typewriter ribbon guide post and typewriter ribbon drive assembly, typewriter ribbon drive assembly twines the typewriter ribbon in order to drive the typewriter ribbon, typewriter ribbon driven component can be based on typewriter ribbon drive assembly releases the typewriter ribbon to the drive of typewriter ribbon, typewriter ribbon tensioning part is used for being in typewriter ribbon driven component with typewriter ribbon between the typewriter ribbon drive assembly carries out the tensioning.

According to the printer device of at least one embodiment of the present disclosure, the ribbon driven assembly includes a ribbon winding driven shaft, a ribbon winding driven wheel, and a ribbon winding driven wheel driving motor, the ribbon winding driven shaft is fixedly connected with the ribbon winding driven wheel, the ribbon winding driven shaft is used for winding a ribbon, and the ribbon winding driven wheel driving motor is used for driving the ribbon winding driven wheel.

According to the printer device of at least one embodiment of the present disclosure, the number of the belt-winding driven wheel driving motors is plural, and the plural belt-winding driven wheel driving motors are uniformly arranged at the circumferential edge position of the belt-winding driven wheel to drive the belt-winding driven wheel.

According to printer device of at least one embodiment of this disclosure, typewriter ribbon drive assembly is including taking the driving shaft, taking first action wheel, taking the second action wheel and taking the second action wheel driving motor around, take the second action wheel driving motor drive around taking the second action wheel and rotate, take the second action wheel will rotate transmit to take the first action wheel around, take the driving shaft with take first action wheel fixed connection around, so that take the driving shaft to follow around take the first action wheel and rotate to twine the typewriter ribbon.

According to the printer device of at least one embodiment of the present disclosure, the ribbon drive assembly further includes a take-up position shutter disposed adjacent to the first capstan.

According to the printer apparatus of at least one embodiment of the present disclosure, the print head is a thermal print head.

According to the printer device of at least one embodiment of the present disclosure, the number of the ribbon guide posts is plural.

According to the printer device of at least one embodiment of this disclosure, still include upper base, lower base and pedestal connection portion, upper base passes through pedestal connection portion with lower base fixed connection, and rotating assembly, typewriter ribbon transmission keep the subassembly, pressure provide the subassembly and print head assembly all set up on the upper base.

A printer device according to at least one embodiment of the present disclosure further includes a printer housing.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the disclosure and together with the description serve to explain the principles of the disclosure.

Fig. 1 is one of partial schematic views of a printer apparatus of an embodiment of the present disclosure.

Fig. 2 is a second partial schematic view of a printer apparatus according to an embodiment of the present disclosure.

Fig. 3 is a third schematic partial view of a printer apparatus according to an embodiment of the present disclosure.

Fig. 4 is a fourth partial schematic view of a printer device according to an embodiment of the present disclosure.

Fig. 5 is a schematic structural view of a pressure providing assembly of the printer apparatus according to an embodiment of the present disclosure.

Description of the reference numerals

1 Printer device

11 ribbon driven assembly

12 ribbon drive assembly

13 color band guide post

14 print head support

15 printhead

16 first sensor

31 upper base

32 lower base

33 base connecting part

111 winding driven shaft

112 belt-wound driven wheel

113 driven wheel driving motor

121 belt winding driving shaft

122 take up the first drive wheel

123 winding belt second driving wheel

124 take-up second drive wheel drive motor

125 tape-retracting position baffle

171 ribbon tension part

172 groove part

201 holding part

202 center hole

203 holding mechanism

204 bearing part

206 first driving motor

207 first base part

208 second drive motor

209 second drive motor support

210 coupling

212 guide rail

213 connecting plate

214 lead screw nut block

215 first slide

216 elastic part

217 driving block

219 second slider

220 connecting part

221 support frame

222 bearing mounting shaft

223 deep groove ball bearing part

2051 first Gear

2052 second gear

2061 and an output shaft of the motor.

Detailed Description

The present disclosure will be described in further detail with reference to the drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the present disclosure. It should be further noted that, for the convenience of description, only the portions relevant to the present disclosure are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict. Technical solutions of the present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Unless otherwise indicated, the illustrated exemplary embodiments/examples are to be understood as providing exemplary features of various details of some ways in which the technical concepts of the present disclosure may be practiced. Accordingly, unless otherwise indicated, features of the various embodiments may be additionally combined, separated, interchanged, and/or rearranged without departing from the technical concept of the present disclosure.

The use of cross-hatching and/or shading in the drawings is generally used to clarify the boundaries between adjacent components. As such, unless otherwise noted, the presence or absence of cross-hatching or shading does not convey or indicate any preference or requirement for a particular material, material property, size, proportion, commonality between the illustrated components and/or any other characteristic, attribute, property, etc., of a component. Further, in the drawings, the size and relative sizes of components may be exaggerated for clarity and/or descriptive purposes. While example embodiments may be practiced differently, the specific process sequence may be performed in a different order than that described. For example, two processes described consecutively may be performed substantially simultaneously or in reverse order to that described. In addition, like reference numerals denote like parts.

When an element is referred to as being "on" or "on," "connected to" or "coupled to" another element, it can be directly on, connected or coupled to the other element or intervening elements may be present. However, when an element is referred to as being "directly on," "directly connected to" or "directly coupled to" another element, there are no intervening elements present. For purposes of this disclosure, the term "connected" may refer to physically, electrically, etc., and may or may not have intermediate components.

For descriptive purposes, the present disclosure may use spatially relative terms such as "below … …," below … …, "" below … …, "" below, "" above … …, "" above, "" … …, "" higher, "and" side (e.g., "in the sidewall") to describe one component's relationship to another (other) component as illustrated in the figures. Spatially relative terms are intended to encompass different orientations of the device in use, operation, and/or manufacture in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below … …" can encompass both an orientation of "above" and "below". Further, the devices may be otherwise positioned (e.g., rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The terminology used herein is for the purpose of describing particular embodiments and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Furthermore, when the terms "comprises" and/or "comprising" and variations thereof are used in this specification, the presence of stated features, integers, steps, operations, elements, components and/or groups thereof are stated but does not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components and/or groups thereof. It is also noted that, as used herein, the terms "substantially," "about," and other similar terms are used as approximate terms and not as degree terms, and as such, are used to interpret inherent deviations in measured values, calculated values, and/or provided values that would be recognized by one of ordinary skill in the art.

Fig. 1 is one of partial schematic views of a printer apparatus of an embodiment of the present disclosure. Fig. 2 is a second partial schematic view of a printer apparatus according to an embodiment of the present disclosure. Fig. 3 is a third schematic partial view of a printer apparatus according to an embodiment of the present disclosure. Fig. 4 is a fourth partial schematic view of a printer device according to an embodiment of the present disclosure. Fig. 5 is a schematic structural view of a pressure providing assembly of the printer apparatus according to an embodiment of the present disclosure.

According to an embodiment of the present disclosure, as shown in fig. 1 to 3, a printer apparatus 1 includes:

a rotating assembly including a holding mechanism 203, the holding mechanism 203 being circular in shape, a plurality of holding portions 201 being provided at a circumferential edge of the holding mechanism 203, the holding portions 201 being for holding an object to be printed, the holding mechanism 203 being capable of being driven to rotate so as to rotate the object to be printed held by at least one of the holding portions 201 to a position to be printed;

the ribbon transmission and holding component is used for transmitting and holding the ribbon; and the number of the first and second groups,

and the printing head assembly comprises a printing head 15, and the printing head 15 can heat the ink ribbon to print the information carried by the printing head on the object to be printed which is rotated to the position to be printed through the ink ribbon.

It will be understood by those skilled in the art that certain components shown in the printer device 1 of fig. 1-3 are only present in certain embodiments and are not required, such as the four arcuate operating/lightening apertures provided in the retention mechanism 203.

By the printer device 1 of the above embodiment, the object to be printed is exemplified by a test tube, and by driving the holding mechanism 203 to rotate, the test tube to be printed can be sequentially placed to each holding portion 201 in an automated manner, for example, by placing the test tube to be printed to each holding portion 201 by a mechanical arm, the printing head assembly sequentially prints the test tube rotated to the position to be printed, and the test tube after printing is taken out by another mechanical arm, thereby realizing the full-automatic operation of test tube printing.

It will be appreciated by those skilled in the art that the retaining mechanism 203 is removable and the number of retaining portions 201 can be adjusted.

Preferably, in the above embodiment, the plurality of holding portions 201 of the holding mechanism 203 of the printer apparatus 1 are uniformly provided along the circumferential edge of the holding mechanism 203.

The holding mechanism 203 shown in fig. 1 is in a disk shape, and the holding mechanism 203 has an appropriate thickness in a direction perpendicular to the paper surface.

Preferably, in the above embodiment, the holding portion 201 of the holding mechanism 203 of the printer apparatus 1 is a holding hole that can be passed through by and hold the object to be printed.

It will be appreciated by those skilled in the art that the retaining holes are preferably circular holes, the size of which may also be adjusted to accommodate different sizes of objects to be printed.

Preferably, in the above embodiment, the circumferential edge of the holding hole is provided with a flexible portion capable of providing an appropriate elastic force (pressure) to the object to be printed inserted into the holding hole.

Through the arrangement of the flexible portion, the holding hole can hold the object to be printed more stably.

Preferably, the flexible portion is an elastic ring.

Preferably, in the above embodiment, the center position of the holding mechanism 203 of the printer apparatus 1 is provided with the center hole 202, and the holding mechanism 203 can be driven to rotate via the center hole 202.

It will be understood by those skilled in the art that the central bore 202 may be either a blind or a through bore, and the present disclosure is not limited to a particular form of the central bore 202.

With the printer apparatus 1 of each of the above embodiments, the rotating assembly further includes a first driving device including the first driving motor 206, and the first driving motor 206 is configured to drive the holding mechanism 203 to rotate. Fig. 2, 3, and 4 each show a partial structure of the first driving device.

In the printer device 1 of the above embodiment, it is preferable that the first driving device further includes a first gear assembly provided on the first base portion 207, and a first base portion 207, the first driving motor 206 is provided on the first base portion 207, and the first driving motor 206 transmits a rotational motion to the holding mechanism 203 via the first gear assembly. FIG. 3 shows the above structure

Preferably, in the printer apparatus 1 of the above embodiment, the first base portion 207 is provided with a bearing portion 204, the bearing portion 204 is used for mounting a drive lever, the first drive motor 206 transmits the rotation to the drive lever (not shown) via a first gear assembly, and the drive lever transmits the rotation to the holding mechanism 203.

The bearing portion 204 may be a deep groove ball bearing.

In the above embodiment, it is preferable that the first gear assembly includes the first gear 2051 and the second gear 2052, the first drive motor 206 transmits the rotational motion to the first gear 2051 through the motor output shaft 2061, the first gear 2051 transmits the rotational motion to the second gear 2052, and the second gear 2052 transmits the rotational motion to the drive lever through the bearing portion 204.

On the basis of the above embodiments, it is preferable that the printer apparatus 1 further includes a pressure providing assembly for applying pressure to the object to be printed rotated to the position to be printed so that the object to be printed is in stable contact with the ink ribbon.

Fig. 5 illustrates the structure of a pressure providing assembly according to a preferred embodiment of the present disclosure, and it will be understood by those skilled in the art that fig. 5 illustrates only the structure of the preferred pressure providing assembly, and the pressure providing assembly of the printer apparatus of the present disclosure is not limited to the structure illustrated in fig. 5.

In the above embodiment, it is preferable that the pressure providing component of the printer device 1 includes a second driving device, a reversing component, and a pressure applying component, the second driving device outputs a rotational motion, the reversing component converts the rotational motion output by the second driving device into a linear motion, and the linear motion is transmitted to the pressure applying component, so that the pressure applying component applies pressure to the object to be printed at the position to be printed.

Preferably, the second driving means of the pressure providing assembly includes a second driving motor 208 and a second driving motor support 209, and the second driving motor support 209 is used for stably supporting the second driving motor 208.

According to the preferred embodiment of the present disclosure, the reversing assembly includes a coupler 210, a lead screw nut block 214, an elastic portion 216 and a driving block 217, the second driving device transmits the rotation motion to the lead screw through the coupler 210, the lead screw nut block 214 is sleeved on the lead screw, a first end of the elastic portion 216 is fixedly connected with the lead screw nut block 214, a second end of the elastic portion 216 is fixedly connected with the driving block 217, the rotation motion of the lead screw is converted into a linear motion by the lead screw nut block 214, and the linear motion of the lead screw nut block 214 is transmitted to the driving block 217.

Preferably, the reversing assembly further comprises a connecting portion 220, the connecting portion 220 is fixedly connected with the driving block 217, and the connecting portion 220 is used for fixing the pressure applying assembly.

As shown in fig. 5, the connecting portion 220 is a transverse bar having a plurality of fixing positions for fixing the pressure applying assembly.

Accordingly, a concave portion for receiving the connection portion 220 may be provided on the driving block 217, and the connection portion 220 is provided inside the concave portion, to reduce the size of the pressure providing assembly.

Preferably, as shown in fig. 5, the reversing assembly further includes a guide rail 212, a first sliding block 215 and a second sliding block 219, the lead screw nut block 214 is fixedly disposed on the first sliding block 215, the driving block 217 is fixedly disposed on the second sliding block 219, and the first sliding block 215 and the second sliding block 219 can slide on the guide rail 212.

More preferably, the reversing assembly further comprises two connecting plates 213, the first slider 215 and the second slider 219 are respectively connected with one connecting plate 213, and the connecting plates 213 and the guide rail 212 have matching shapes, so that the first slider 215 and the second slider 219 can slide on the guide rail 212 through the connecting plates 213.

According to a preferred embodiment of the present disclosure, the reversing assembly further includes a first pressure sensor that detects the magnitude of the pressure output by the driving block 217 by detecting the amount of deformation of the elastic part 216. The first pressure sensor may be disposed on the elastic portion 216.

Preferably, the elastic portion 216 is a spring.

According to a preferred embodiment of the present disclosure, as shown in fig. 5, the pressure applying assembly includes two force applying portions, each of which includes a deep groove ball bearing portion 223 and a support bracket 221, the deep groove ball bearing portion 223 including a plurality of deep groove ball bearings, the deep groove ball bearing portion 223 being provided on the support bracket 221 through a bearing mounting shaft 222, and both of the force applying portions applying pressure to the object to be printed through the deep groove ball bearing portion 223.

The two force applying parts are respectively arranged at one fixed position on the connecting part 220, and the fixed position of each force applying part on the connecting part 220 can be adjusted to adapt to the force application of objects to be printed, such as test tubes, with different sizes.

Wherein, each supporting frame 221 is detachably and fixedly connected with the connecting portion 220.

As shown in fig. 1 to 3, the printhead assembly further includes a printhead support 14, and the printhead support 14 is used to support a printhead 15.

Preferably, with the printer device 1 of each of the above embodiments, a first sensor 16 is further included, the first sensor 16 being configured to detect whether the holding part 201 is loaded with an object to be printed when any of the plurality of holding parts 201 is rotated to the position to be printed.

The print head 15 of the printer apparatus 1 is controlled to perform a printing action if the object to be printed is loaded, and the print head 15 of the printer apparatus 1 is controlled not to perform a printing action if the object to be printed is not loaded.

It should be understood by those skilled in the art that the printer device 1 of the present disclosure is not limited to printing test tubes, and can also print other cylindrical objects, and even can print objects to be printed in other shapes by making adaptive adjustments to the partial structure of the printer device 1.

With the printer device 1 of each of the above embodiments, it is preferable that the ribbon transport holding assembly includes the ribbon guide member 13, the ribbon tensioning member 171, the ribbon driven member 11, and the ribbon driving member 12, the ribbon passes through the ribbon driven member 11, the ribbon tensioning member 171, the ribbon guide member 13, and the ribbon driving member 12 in this order, the ribbon driving member 12 winds the ribbon to drive the ribbon, the ribbon driven member 11 can release the ribbon based on the driving of the ribbon by the ribbon driving member 12, and the ribbon tensioning member 171 is configured to tension the ribbon between the ribbon driven member 11 and the ribbon driving member 12.

Preferably, the ribbon driven assembly 11 includes a ribbon winding driven shaft 111, a ribbon winding driven wheel 112, and a ribbon winding driven wheel driving motor 113, wherein the ribbon winding driven shaft 111 is fixedly connected to the ribbon winding driven wheel 112, the ribbon winding driven shaft 111 is used for winding the ribbon, and the ribbon winding driven wheel driving motor 113 is used for driving the ribbon winding driven wheel 112.

Preferably, the number of the belt-winding driven wheel driving motors 113 is plural, and the plural belt-winding driven wheel driving motors 113 are uniformly provided at circumferential edge positions of the belt-winding driven wheel 112 to drive the belt-winding driven wheel 112.

According to the preferred embodiment of the present disclosure, the ribbon driving assembly 12 includes a ribbon winding driving shaft 121, a ribbon winding first driving roller 122, a ribbon winding second driving roller 123 and a ribbon winding second driving roller driving motor 124, the ribbon winding second driving roller driving motor 124 drives the ribbon winding second driving roller 123 to rotate, the ribbon winding second driving roller 123 transmits the rotation to the ribbon winding first driving roller 122, and the ribbon winding driving shaft 121 is fixedly connected to the ribbon winding first driving roller 122, so that the ribbon winding driving shaft 121 rotates along with the ribbon winding first driving roller 122, thereby winding the ribbon.

Preferably, the ribbon drive assembly 12 further includes a take-up position stop 125, the take-up position stop 125 being disposed adjacent the first capstan 122.

With the printer device 1 of each of the above embodiments, the print head 15 is a thermal print head.

Preferably, the number of the ribbon guide pillars 13 of the printer apparatus 1 is plural.

Four ribbon guide posts 13 are shown in both fig. 1 and 2.

According to the preferred embodiment of the present disclosure, the printer apparatus 1 further includes an upper base 31, a lower base 32, and a base connecting portion 33, the upper base 31 is fixedly connected to the lower base 32 through the base connecting portion 33, and the rotation assembly, the ribbon transport holding assembly, the pressure providing assembly, and the print head assembly are disposed on the upper base 31.

As can be seen from fig. 1 and 2, other components or assemblies of the printer apparatus 1 may be provided on the upper base 31.

The upper base 31 and the lower base 32 may each be a plate-shaped base.

In the above embodiment, as shown in fig. 1 and 2, the ribbon transport holding assembly further includes the groove 172, the groove 172 is formed on the upper base 31, and at least a part of the ribbon tension part 171 can move within the groove 172, thereby adjusting the degree of tension of the ribbon by the ribbon tension part 171.

According to the printer apparatus 1 of one embodiment of the present disclosure, the printer apparatus 1 further includes a printer housing (not shown). The above-described upper base 31, lower base 32, and the respective components or assemblies described above are provided in the printer housing.

In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present disclosure, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specifically limited otherwise.

It will be understood by those skilled in the art that the foregoing embodiments are merely for clarity of illustration of the disclosure and are not intended to limit the scope of the disclosure. Other variations or modifications may occur to those skilled in the art, based on the foregoing disclosure, and are still within the scope of the present disclosure.

Claims

1. A printer apparatus, comprising:

a ribbon transport holding assembly for transporting and holding a ribbon; and

2. The printer device according to claim 1, wherein a plurality of the holding portions are uniformly provided along a circumferential edge of the holding mechanism.

3. The printer device according to claim 1, wherein the holding portion is a holding hole which can be passed through by and holds the object to be printed.

4. A printer device according to claim 3, characterised in that the circumferential edge of the retaining hole is provided with a flexible portion.

5. The printer apparatus of claim 4, wherein the flexible portion is an elastic ring.

6. The printer device according to claim 1, wherein a central position of the holding mechanism is provided with a central hole via which the holding mechanism can be driven to rotate.

7. The printer device according to any one of claims 1 to 6, wherein the rotating assembly further comprises a first drive device comprising a first drive motor for driving the holding mechanism to rotate.

8. The printer apparatus of claim 7, wherein the first drive device further comprises a first gear assembly and a first base portion, the first gear assembly being disposed on the first base portion, the first drive motor transmitting rotational motion to the retaining mechanism via the first gear assembly.

9. The printer apparatus according to claim 8, wherein the first base portion is provided thereon with a bearing portion for mounting a drive lever, the first drive motor transmitting a rotational motion to the drive lever via the first gear assembly, the drive lever transmitting the rotational motion to the holding mechanism.

10. The printer apparatus of claim 9, wherein the first gear assembly includes a first gear to which the first drive motor transmits rotational motion through a motor output shaft and a second gear to which the first gear transmits rotational motion through a bearing portion to the drive rod.

11. The printer apparatus of claim 1, further comprising a pressure providing assembly for applying pressure to the object to be printed rotated to the position to be printed such that the object to be printed is in stable contact with the ribbon.

12. The printer device according to claim 11, wherein the pressure providing assembly includes a second driving device, a reversing assembly, and a pressure applying assembly, the second driving device outputs a rotational motion, the reversing assembly converts the rotational motion output by the second driving device into a linear motion, and the linear motion is transmitted to the pressure applying assembly so that the pressure applying assembly applies pressure to the object to be printed at the position to be printed.

13. The printer device according to claim 12, wherein the second driving device includes a second driving motor and a second driving motor support portion for stably supporting the second driving motor.

14. The printer device of claim 13, wherein the reversing assembly comprises a coupler, a lead screw nut block, an elastic portion and a driving block, the second driving device transmits a rotation motion to the lead screw through the coupler, the lead screw nut block is sleeved on the lead screw, a first end of the elastic portion is fixedly connected with the lead screw nut block, a second end of the elastic portion is fixedly connected with the driving block, the rotation motion of the lead screw is converted into a linear motion by the lead screw nut block, and the linear motion of the lead screw nut block is transmitted to the driving block.

15. The printer apparatus of claim 14, wherein the reversing assembly further comprises a connecting portion fixedly connected to the drive block, the connecting portion configured to secure the pressure applying assembly.

16. The printer apparatus of claim 15, wherein the connecting portion is a transverse bar having a plurality of attachment locations disposed thereon for attaching the pressure applying assembly.

17. The printer apparatus of claim 14, wherein the reversing assembly further comprises a guide rail, a first slide block, and a second slide block, the lead screw nut block is fixedly disposed on the first slide block, the driving block is fixedly disposed on the second slide block, and the first slide block and the second slide block are slidable on the guide rail.

18. The printer apparatus of claim 17, wherein the reversing assembly further comprises two connecting plates, and the first slider and the second slider are each connected to one connecting plate, and the connecting plates and the guide rail have matching shapes, such that the first slider and the second slider both slide on the guide rail through the connecting plates.

19. The printer apparatus of claim 14, wherein the reversing assembly further comprises a first pressure sensor that detects the magnitude of pressure output by the drive block by detecting the amount of deformation of the elastic portion.

20. The printer device according to claim 19, wherein the elastic portion is a spring.

21. The printer device of claim 12, wherein the pressure applying assembly comprises two force applying portions, each force applying portion comprising a deep groove ball bearing portion comprising a plurality of deep groove ball bearings and a support frame, the deep groove ball bearing portions being disposed on the support frame by a bearing mounting shaft, both force applying portions applying pressure to the object to be printed by the deep groove ball bearing portions.

22. The printer apparatus of claim 21, wherein each of the support brackets is removably fixedly connected to the connecting portion.

23. The printer apparatus of claim 1, wherein the printhead assembly further comprises a printhead support for supporting the printhead.

24. The printer device according to claim 1, further comprising a first sensor for detecting whether any of the plurality of holding portions is loaded with an object to be printed when the holding portion is rotated to the position to be printed.

25. Printer device according to claim 1, characterised in that said objects to be printed are test tubes.

26. The printer apparatus of claim 1, wherein the ribbon transport retaining assembly includes a ribbon guide post, a ribbon tensioning portion, a ribbon driven assembly, and a ribbon drive assembly, wherein the ribbon passes through the ribbon driven assembly, the ribbon tensioning portion, the ribbon guide post, and the ribbon drive assembly in sequence, wherein the ribbon drive assembly winds the ribbon to drive the ribbon, wherein the ribbon driven assembly is capable of releasing the ribbon based on the ribbon drive assembly driving the ribbon, and wherein the ribbon tensioning portion is configured to tension the ribbon between the ribbon driven assembly and the ribbon drive assembly.

27. The printer apparatus of claim 26, wherein the ribbon drive assembly includes a ribbon drive shaft, a ribbon drive pulley, and a ribbon drive motor, the ribbon drive shaft being fixedly coupled to the ribbon drive pulley, the ribbon drive shaft being configured to wind the ribbon, the ribbon drive motor being configured to drive the ribbon drive pulley.

28. The printer apparatus as claimed in claim 27, wherein said tape-driven pulley drive motor is plural in number, and plural tape-driven pulley drive motors are provided uniformly at circumferential edge positions of said tape-driven pulley to drive said tape-driven pulley.

29. The printer apparatus of claim 26, wherein the ribbon drive assembly includes a ribbon drive shaft, a ribbon first drive wheel, a ribbon second drive wheel, and a ribbon second drive wheel drive motor, the ribbon second drive wheel drive motor driving the ribbon second drive wheel to rotate, the ribbon second drive wheel transmitting rotation to the ribbon first drive wheel, the ribbon drive shaft being fixedly coupled to the ribbon first drive wheel such that the ribbon drive shaft follows the ribbon first drive wheel to rotate thereby winding the ribbon.

30. The printer apparatus of claim 29 wherein the ribbon drive assembly further comprises a take-up position stop disposed adjacent the ribbon winding primary drive roller.

31. The printer apparatus of claim 1, wherein the printhead is a thermal printhead.

32. The printer apparatus of claim 26, wherein the number of ribbon guide posts is plural.

33. The printer apparatus of claim 8, further comprising an upper base, a lower base, and a base connection, the upper base being fixedly connected to the lower base by the base connection, the rotation assembly, the ribbon transport retention assembly, the pressure supply assembly, and the printhead assembly being disposed on the upper base.

34. The printer apparatus of claim 33, further comprising a printer housing.