阅读说明：本技术 一种打印头位置自动调节结构及打印机 (A kind of print head position self-regulation structure and printer ) 是由 庞静 周昌伟 李青松 银中礼 许崴 于 2019-09-20 设计创作，主要内容包括：本发明公开了一种打印头位置自动调节结构及打印机,该打印头位置调节结构包括动力组件、执行组件和传动组件,该动力组件用于提供动力,执行组件用于带动打印头进行位置调节,传动组件用于将动力组件的动力传递到执行组件上,该执行组件包括升降组件,打印时,传动组件将动力组件输出的动力转换为升降组件的升降运动,打印头通过升降运动驱使打印头升降或转动,本发明的打印头位置调节结构中,传动组件将动力组件的动力转换为升降组件的升降运动,升降组件通过升降运动驱使打印头升降或转动,不仅能实现打印头位置的自动调节,使打印效率提高；且可以将升降组件调节至任意高度,使打印头可以被调节至其行程范围内的任意位置,有利于提高打印效果。(The invention discloses a kind of print head position self-regulation structure and printers, the print head position adjustment structure includes Power Component, executive module and transmission component, the Power Component is used to provide power, executive module is for driving print head to carry out position adjusting, transmission component is used to the power of Power Component being transmitted to executive module, the executive module includes lifting assembly, when printing, the power that Power Component exports is converted to the elevating movement of lifting assembly by transmission component, print head drives print head to go up and down or rotate by elevating movement, in print head position adjustment structure of the invention, the power of Power Component is converted to the elevating movement of lifting assembly by transmission component, lifting assembly drives print head to go up and down or rotate by elevating movement, not only it is able to achieve the automatic adjustment of print head position, improve printing effect；And lifting assembly can be adjusted to arbitrary height, so that print head is can be adjusted any position to its stroke range, is conducive to improve printing effect.)

1. a kind of print head position self-regulation structure characterized by comprising

Power Component is used for outputting rotary power；

Executive module is used to that print head to be driven to carry out position adjusting, and the executive module includes lifting assembly；

Transmission component is used to be converted to the rotary power of the Power Component elevating movement of the lifting assembly；

Wherein, it the print head liftable or is spindle rotationally arranged on printer, the print head and the executive module connect It connects or the executive module is resisted against on the print head, be provided on printer for for driving the print head to be held to described The mobile return springs of row component direction, when making the lifting assembly downlink, the executive module pushes the printing Head or rotates down downlink, when the lifting assembly uplink, the return springs push the print head uplink reset or to Upper rotation resets.

2. print head position self-regulation structure according to claim 1, it is characterised in that: the transmission component includes convex Wheel, the cam rotate under the driving of the Power Component,

Wherein, be provided on the lifting assembly on the contoured surface for being resisted against the cam against position, the printing It is provided on machine for making the lifting assembly be resisted against the return springs on the contoured surface of the cam, the cam passes through Rotation drives the lifting assembly lifting.

3. print head position self-regulation structure according to claim 2, it is characterised in that:

The cam is edge cam,

Or

The transmission component further includes driving gear, and the driving gear is rotated by the Power Component, described convex Wheel is disc cam, is provided on the cam for the meshing teeth with the active tooth engagement, makes the cam described It is rotated under the driving of driving gear；

Or

The transmission component further includes driving wheel, and the driving wheel is rotated by the Power Component, and the cam is Disc cam is provided with the follower for constituting V belt translation component or chain drive structure with the driving wheel on the cam, Rotate the cam under the driving of the driving wheel.

4. print head position self-regulation structure according to claim 1, it is characterised in that: the transmission component includes set The revolving meber being located at outside the lifting assembly and the anti-rotation structure for preventing the lifting assembly revolution, the revolving meber exist It is turned round under the action of the Power Component, is provided with screw thread pair between the revolving meber and the lifting assembly.

5. print head position self-regulation structure according to claim 4, it is characterised in that: the transmission component further includes Worm screw, the worm screw connect with the Power Component, and the worm-gear toothing with worm screw cooperation is provided on the revolving meber, described Axis of the axis of worm screw perpendicular to the revolving meber.

6. print head position self-regulation structure according to claim 5, it is characterised in that: the self-regulation structure is also Including mounting base on a printer is arranged, the pilot hole for being oriented to the lifting assembly is provided in the mounting base, The anti-rotation structure includes anti-rotation guide groove and the anti-rotation protrusion that is slidably disposed in the anti-rotation guide groove, described Anti-rotation guide groove is the consistent vertical guide groove in lifting direction with the lifting assembly；

Wherein, the anti-rotation guide groove is provided on the inner wall of the pilot hole, and the anti-rotation protrusion is arranged in the lifting On component；Or the anti-rotation guide groove is provided on the lifting assembly, the pilot hole is arranged in the anti-rotation protrusion On inner wall.

7. print head position self-regulation structure according to claim 6, it is characterised in that: the executive module includes rising Power input shaft and lifting drive output shaft, the lifting drive input shaft and the coaxial arrangement of lifting drive output shaft are dropped, and it is described It is provided with the first elastic component between lifting drive output shaft and the print head, makes bottom and the institute of the lifting drive input shaft It states and offsets at the top of lifting drive output shaft.

8. print head position self-regulation structure according to claim 7, it is characterised in that: the lifting drive output shaft Top setting it is fluted, the bottom of the lifting drive input shaft is embedded in the groove；Or the lifting drive input shaft Bottom setting it is fluted, the top of the lifting drive output shaft is embedded in the groove.

9. print head position self-regulation structure according to claim 7, it is characterised in that: further include removably being arranged Top cover in the mounting base, the revolving meber include cylindrical central sleeve and the revolution for being integrally disposed upon the cylindrical central sleeve periphery Disk, the worm-gear toothing are arranged in the outer rim of the rotary disk, the axis for positioning the rotary disk are provided in the mounting base To the confined planes of position, the compressed part for being pressed on the rotary disk on the confined planes, institute are provided on the top cover It states and is provided with annular elastic slice between compressed part and the rotary disk.

10. print head position self-regulation structure according to claim 9, it is characterised in that:

The pilot hole extends to the bottom surface of the rotary disk, and the aperture periphery of the pilot hole is made to form the confined planes, institute It states revolution sleeve to protrude into the pilot hole, be provided in the revolution sleeve for passing through spiral shell with described liter of part power input shaft The threaded portion of line cooperation, the lifting drive input shaft run through the revolution sleeve and the top cover.

11. print head position self-regulation structure according to claim 1, it is characterised in that: further include for detecting State the position sensor of the lifting position of print head.

12. print head position self-regulation structure according to claim 1, it is characterised in that:

Power Component described in every group corresponds to one group of transmission component, transmission component described in one group of the correspondence of executive module described in every group, institute The quantity for stating transmission component is at least two groups, makes contact position at least two between the executive module and the print head, Each contact position corresponds to the distribution of paper wide direction along the print head；

Or

Power Component described in every group corresponds to one group of transmission component, the corresponding at least one set of transmission component of the executive module, institute The quantity for stating transmission component is at least two groups, makes to contact position at least two between the executive module and the transmission component It sets, each contact position corresponds to the distribution of paper wide direction along the print head；

Or

The Power Component, the transmission component and the executive module are one group.

13. a kind of printer, it is characterised in that: including print head position described in any one of print head and claim 1~12 Set self-regulation structure.

Technical field

The invention belongs to printer technology field more particularly to a kind of print head position self-regulation structures and printer.

Background technique

The mode that label machine generallys use thermal transfer realizes the printing of label, since different types of label is in thickness Degree, material etc. may be variant, and various labels have differences by the effect that the print head of same position is printed, and are Printing effect is improved, needs to adjust force of impression, the temperature etc. of print head according to the attribute (thickness, material etc.) of label, is adjusting When saving the pressure of print head, the mode for changing print head position is generallyd use.For example, being arranged on some label machines useful In the manual knob for adjusting print head position, after printing person rule of thumb judges thickness and the material of label to be printed, adjust manually Knob is saved to change print head position；There are also in some label machines, the attribute (thickness, material etc.) of label to be printed can be with It is read, is printed automatically before printing by modes such as radio frequency identifications (Radio Frequency Identification, RFID) Person can manually adjust again print head position according to the tag attributes read.Although existing label machine can be realized printing The adjusting of head position, but on the one hand, the mode low efficiency manually adjusted, on the other hand, the total class of label is various, and adjustable gear has Limit, print head can not be adjusted to optimum position when some labels print.

Summary of the invention

The main purpose of the present invention is to provide a kind of print head position self-regulation structure and printers, to improve printing Effect improves printing effect.

In order to achieve the above objects and other related objects, technical solution of the present invention is as follows:

A kind of print head position self-regulation structure, comprising:

Power Component is used for outputting rotary power；

Executive module is used to that print head to be driven to carry out position adjusting；The executive module includes lifting assembly；

Transmission component is used to be converted to the rotary power of the Power Component elevating movement of the lifting assembly；

Wherein, it the print head liftable or is spindle rotationally arranged on printer, the print head and the execution group Part connection or the executive module are resisted against on the print head, are provided on printer for for driving the print head to institute The mobile return springs of executive module direction are stated, when making the lifting assembly downlink, described in the executive module promotion Print head downlink rotates down, and when the lifting assembly uplink, the return springs push the print head uplink to reset Or it is rotated up reset.

Optionally, the transmission component includes cam, and the cam rotates under the driving of the Power Component, wherein Be provided on the lifting assembly for be resisted against in the cam contour surface be arranged on position, the printer it is useful In making the lifting assembly be resisted against the return springs in the cam contour surface, the cam drives the liter by rotation Part of coming down to a lower group lifting.

Optionally, the cam is edge cam.

Optionally, the transmission component further includes driving gear, and the driving gear is under the driving of the Power Component Rotation, the cam are disc cam, are provided on the cam for the meshing teeth with the active tooth engagement, are made described Cam rotates under the driving of the driving gear.

Optionally, the transmission component further includes driving wheel, and the driving wheel is rotated by the Power Component, The cam is disc cam, is provided on the cam for constituting V belt translation component or chain drive structure with the driving wheel Follower, rotate the cam under the driving of the driving wheel.

Optionally, the transmission component includes the revolving meber being set in outside the lifting assembly and for preventing the lifting The anti-rotation structure of component revolution, the revolving meber turn round under the action of the Power Component, the revolving meber and the liter It comes down to a lower group and is provided with screw thread pair between part.

Optionally, the transmission component further includes worm screw, and the worm screw connect with the Power Component, on the revolving meber It is provided with the worm-gear toothing with worm screw cooperation, the axis of the axis of the worm screw perpendicular to the revolving meber.

Optionally, the self-regulation structure further includes the mounting base of setting on a printer, is arranged in the mounting base There is the pilot hole for being oriented to the lifting assembly, the anti-rotation structure includes anti-rotation guide groove and is slidably disposed in Anti-rotation protrusion in the anti-rotation guide groove, the anti-rotation guide groove are consistent perpendicular with the lifting direction of the lifting assembly To guide groove；

Wherein, the anti-rotation guide groove is provided on the inner wall of the pilot hole, and the anti-rotation protrusion is arranged described On lifting assembly；Or the anti-rotation guide groove is provided on the lifting assembly, the anti-rotation protrusion is arranged in the guiding On the inner wall in hole.

Optionally, the executive module includes lifting drive input shaft and lifting drive output shaft, and the lifting drive is defeated Enter axis and the coaxial arrangement of lifting drive output shaft, the first elasticity is provided between the lifting drive output shaft and the print head Part makes to offset at the top of the bottom of the lifting drive input shaft and the lifting drive output shaft.

Optionally, the top setting of the lifting drive output shaft is fluted, and the bottom of the lifting drive input shaft is embedding Enter in the groove；Or fluted, the top of the lifting drive output shaft is arranged in the bottom of the lifting drive input shaft It is embedded in the groove.

Optionally, the print head position self-regulation structure further includes the top being removably arranged in the mounting base Lid, the revolving meber include cylindrical central sleeve and the rotary disk for being integrally disposed upon the cylindrical central sleeve periphery, the worm-gear toothing setting The confined planes of the axial position for positioning the rotary disk, institute are provided in the outer rim of the rotary disk, the mounting base State the compressed part being provided on top cover for being pressed on the rotary disk on the confined planes, the compressed part and the revolution Annular elastic slice is provided between disk.

Optionally, the pilot hole extends to the bottom surface of the rotary disk, and the aperture periphery of the pilot hole is made to form institute State confined planes, the revolution sleeve protrudes into the pilot hole, be provided in the revolution sleeve for described liter of part power Input shaft passes through the threaded portion being threadedly engaged, and the lifting drive input shaft runs through the revolution sleeve and the top cover.

Optionally, the print head position self-regulation structure further includes the lifting position for detecting the print head Position sensor.

Optionally, the corresponding one group of transmission component of Power Component described in every group, executive module described in every group correspond to described in one group Transmission component, the quantity of the transmission component are at least two groups, make at least two between the executive module and the print head Locate contact position, each contact position corresponds to the distribution of paper wide direction along the print head.

Optionally, the corresponding one group of transmission component of Power Component described in every group, the executive module correspond to described at least one set Transmission component, the quantity of the transmission component are at least two groups, make between the executive module and the transmission component at least Contact position at two, each contact position correspond to the distribution of paper wide direction along the print head；

Optionally, the Power Component, the transmission component and the executive module are one group.

The present invention also provides a kind of label machines, including print head and any of the above-described kind of print head position automatic adjustment knot Structure.

The power of Power Component is converted to the liter of lifting assembly by print head position adjustment structure transmission component of the invention Drop movement, lifting assembly drive print head to go up and down or rotate, are not only able to achieve the automatic tune of print head position by elevating movement Section, improves printing effect；And lifting assembly can be adjusted to arbitrary height, can be adjusted print head to its stroke model Interior any position is enclosed, is conducive to improve printing effect.

Detailed description of the invention

Fig. 1 is shown as an illustrative three dimensional structure diagram of print head position adjustment structure of the invention；

The print head position adjustment structure that Fig. 2 is shown as Fig. 1 removes the structural schematic diagram after print head mounting base top cover；

Fig. 3 is shown as Fig. 2 and opens the structural schematic diagram after top cover；

Fig. 4 is shown as the structural schematic diagram of mounting base in Fig. 2；

The print head position adjustment structure that Fig. 5 is shown as Fig. 2 removes local interior's structural schematic diagram after top cover；

Fig. 6 is shown as the structural schematic diagram of lifting drive output shaft in Fig. 5；

Fig. 7 is shown as the three dimensional structure diagram of the another exemplary of print head position adjustment structure of the invention；

The print head position adjustment structure that Fig. 8 is shown as Fig. 7 removes the structural schematic diagram after print head mounting base；

Fig. 9 is shown as the partial cutaway schematic of Fig. 8；

Figure 10 is shown as another illustrative three dimensional structure diagram of print head position adjustment structure of the invention；

Figure 11 is shown as the print head position adjustment structure in Figure 10 and removes the structure after mounting base and print head mounting base Schematic diagram；

Figure 12 is shown as the partial cutaway schematic of Figure 11；

Figure 13 is shown as the another illustrative three dimensional structure diagram of print head position adjustment structure of the invention；

Figure 14 is shown as the print head position adjustment structure dismounting mounting base of Figure 13 and the structure after print head mounting base is shown It is intended to；

Figure 15 is shown as the partial cutaway schematic of Figure 13；

It is interior when Figure 16 is shown as the middle transmission component of print head position adjustment structure of the invention using V belt translation mode Portion's structural schematic diagram.

Figure 17 is shown as an illustrative structural schematic diagram of mounting base；

Figure 18 is shown as the structural schematic diagram of the another exemplary of mounting base.

Description of symbols includes: in embodiment

Power Component 1, transmission component 2, executive module 3, mounting base 4, print head 5, position sensor 6, top cover 7, printing Head mounting base 8；

Cam 21, contoured surface 211, meshing teeth 212, driving gear 22, revolving meber 23, cylindrical central sleeve 231, threaded portion 231a, rotary disk 232, worm-gear toothing 232a, worm screw 24, annular elastic slice 25, driving wheel 26；

It is lifting assembly 31, the first elastic component 32, lifting drive input shaft 311, lifting drive output shaft 312, anti-rotation convex Play 312a, reflecting part 312b；

Pilot hole 41, anti-rotation guide groove 42, confined planes 43, reflecting part guide groove 44；

Sliding part 51, shaft 52；

Compressed part 71；

Sliding recess 81, axis hole 82.