CN210759827U - Labeling machine - Google Patents

Abstract

The utility model discloses a labeler, including a labeler body, this internal print module that is provided with of labeler, decompress mechanism and label paper, print the module including picking up the rubber roll, print the shower nozzle, print support and extension spring, it rotationally installs in this internally to pick up the rubber roll, it installs on printing the support to print the shower nozzle, it rotationally installs in this internally and can realize printing the shower nozzle and pick up the laminating of rubber roll in the labeler to print the support, the separation, extension spring one end is connected and is printed the support, the other end is fixed in and is printed the support and be close to the one side of picking up the rubber roll, decompress the mechanism and act on printing the support in order to be used for control to print the support and rotate. The utility model discloses more traditional structure, structural design's volume is littleer, and the installation of other structures in the labeller of being convenient for, setting or reduce the volume of labeller have simplified the structure setting simultaneously, are convenient for decompress the design and the operation of structure.

Description

Labeling machine

Technical Field

The utility model belongs to the technical field of the printing apparatus, concretely relates to labeller.

Background

The labeler is printing equipment for printing specific image-text information on label paper, a label paper installation cavity is arranged in the labeler, packaged label paper is accommodated in the label paper installation cavity, and a motor-driven picking rubber roller and a printing nozzle attached to the picking rubber roller are arranged on the labeler. When the label printer works, the label paper is led out from between the picking rubber roller and the printing nozzle, the picking rubber roller rotates and pulls the label paper outwards under the driving of the motor, and meanwhile, the label paper is printed through the printing nozzle. In order to ensure the joint of the printing nozzle and the picking rubber roller, in the traditional labeling machine, a printing support is rotationally arranged, the printing nozzle is arranged at one end, close to the picking rubber roller, of the printing support, the other end of the printing support is provided with two tension springs, and the printing support is pulled to rotate under the combined action of the two tension springs so that the printing nozzle at the other end is tightly attached to the picking rubber roller. In order to ensure that the force applied by the tension spring to the print head meets the requirement, a longer moment arm is usually provided in the conventional structure as shown in fig. 12. Resulting in large occupied space and affecting the arrangement and installation of other structures and components in the labeling machine. Moreover, the label machine needs to separate the printing nozzle and the picking rubber roller when the label paper is replaced or maintained every time, and the arrangement of the double tension springs is inconvenient for realizing the decompression structure design and operation of the picking rubber roller and the printing nozzle.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a realize printing the shower nozzle and picking up the labeller of the laminating of rubber roll through single extension spring to this simplification, the reduction of volume that realize the structure and the simplification of decompressing the structure.

The utility model provides a technical scheme that its technical problem adopted is:

a labeler comprises a labeler body, wherein a printing module, a decompression mechanism and label paper are arranged in the labeler body, the printing module comprises a picking rubber roller, a printing nozzle, a printing bracket and a tension spring, the picking rubber roller can be rotatably arranged in the labeler body around the axis of the picking rubber roller, the printing nozzle is arranged on the printing support, the printing support is rotatably arranged in the labeler body and can realize the joint and separation of the printing nozzle and the picking rubber roller in the rotating process, one end of the tension spring is connected with the printing bracket, the other end of the tension spring is fixed at one side of the printing bracket close to the picking rubber roller, the label paper feeding mechanism is used for pulling the printing support to enable the printing nozzle to be attached to and pick up the rubber roll, the decompression mechanism acts on the printing support to control the printing support to rotate and separate from the picking rubber roll, and the label paper penetrates out of the position between the picking rubber roll and the printing nozzle.

Preferably, a label accommodating cavity is formed in the labeler body, the label paper is provided with a label shell, the label paper is installed in the label shell, the label shell is matched with the label accommodating cavity and detachably installed in the label accommodating cavity, the label shell is of a transparent structure, and openings are formed in the surfaces of one side or two sides of the label shell and used for rotating the label paper through the openings.

Preferably, the labeler body is internally provided with a control panel and a battery installation cavity, the battery installation cavity is internally provided with a positive electrode connecting piece and a negative electrode connecting piece, the positive electrode connecting piece and the negative electrode connecting piece are provided with conductive springs and are electrically connected with the control panel through the conductive springs, and the printing spray head is electrically connected with the control panel.

Preferably, the decompression mechanism comprises a sliding block, a first decompression spring, a detection handle and a rear cover: the sliding block is slidably arranged at one end of the printing support, which is far away from the picking rubber roll, and can pull the printing support to rotate along the direction far away from the picking rubber roll in the sliding process; the first decompression spring acts on the sliding block and is used for pushing the sliding block to slide so as to drive the printing support to rotate in the direction far away from the picking rubber roller, and the acting force of the first decompression spring on the sliding block is greater than that of the tension spring on the printing support; the detection handle is rotatably arranged and is positioned at one end of the slide block in the advancing direction pushed by the first decompression spring, and the rotating shaft of the detection handle is perpendicular to the rotating shaft of the printing support, so that the slide block is overturned under the action of the slide block when pushed to advance by the first decompression spring; the rear cover is provided with a protruding structure which can act on the detection handle, the protruding structure can push the detection handle to move towards the sliding block and push the sliding block to slide along the direction of overcoming the acting force of the first decompression spring, and then the printing support enables the printing nozzle to be attached to and pick up the rubber roller under the action of the tension spring.

Preferably, the decompression mechanism comprises a decompression link, a second decompression spring and a rear cover; the decompression connecting rod is rotatably arranged and is provided with a linkage structure for linking the printing support; one end of the second decompression spring is connected with the decompression connecting rod, and the other end of the second decompression spring is fixed so as to be used for drawing the decompression connecting rod to rotate; the back lid has one can push away and decompress the protruding structure of connecting rod, protruding structure can push away and decompress the connecting rod for decompress the connecting rod and rotate along the direction of the power direction of overcoming the second and decompressing the spring, and then make the printing support make the laminating of printing shower nozzle pick up the rubber roll under the effect of extension spring.

Preferably, the rotating shaft of the decompression connecting rod and the rotating shaft of the printing support are coaxially arranged, and the force arm of the second decompression spring is equal to the force arm of the tension spring.

Preferably, the decompression mechanism comprises a decompression connecting rod, a decompression torsion spring and a rear cover; the decompression connecting rod is rotatably arranged and is provided with a linkage structure for linking the printing support; the decompression torsion spring acts on the decompression connecting rod, and the acting force of the decompression torsion spring acting on the printing support through the decompression connecting rod is larger than the acting force of the tension spring on the printing support, so that the printing nozzle is driven to be separated from the pickup rubber roller; the rear cover is provided with a protruding structure capable of pushing the decompression connecting rod, the protruding structure can push the decompression connecting rod, so that the decompression connecting rod rotates in the direction of overcoming the acting force of the decompression torsion spring, and the printing support enables the printing nozzle to be attached to and pick up the rubber roller under the action of the tension spring.

Preferably, the printing support is provided with a protruding supporting structure at the middle position of the printing nozzle along the axial direction of the picking rubber roller, and when the printing support rotates towards the picking rubber roller under the action of the tension spring, the protruding supporting structure acts on the middle position of the printing nozzle along the axial direction of the picking rubber roller and enables the printing nozzle to be attached to the picking rubber roller.

Preferably, the surface of the picking rubber roller has a certain taper along the self axial direction, and the diameter of one end of the picking rubber roller close to the tension spring is smaller than that of one end of the picking rubber roller far away from the tension spring.

Preferably, the labeler body is further provided with a cutting mechanism for cutting the label paper.

One of the beneficial effects of the utility model is that:

the utility model discloses in realize printing the shower nozzle and pick up the laminating between the rubber roll through the extension spring to this extension spring is connected the one end of printing the support and being close to the rubber roll of picking up for the installation axle of printing the support, and more traditional structure, the volume of this kind of connection structure design is littleer, the installation of other structures in the labeller of being convenient for, set up or reduce the volume of labeller, has simplified the structure setting simultaneously, is convenient for decompress the design and the operation of structure.

Drawings

The invention will be further described with reference to the following figures and examples:

FIG. 1 is a schematic view of the internal structure of a labeler;

FIG. 2 is a rear cover removal schematic;

FIG. 3 is a schematic view of a label housing;

FIG. 4 is a schematic view of the construction of the inner lid;

FIG. 5 is a schematic view of the arrangement of the conductive spring;

FIG. 6 is a schematic view of a first construction of the decompression mechanism;

FIG. 7 is a schematic view of a second construction of the decompression mechanism;

FIG. 8 is a schematic view of another state of the structure shown in FIG. 7;

FIG. 9 is a schematic view of a third construction of the decompression mechanism;

FIG. 10 is another installation schematic of the structure shown in FIG. 9;

FIG. 11 is an exploded view of the labeler;

FIG. 12 is a schematic view of a partial structure of a conventional labeler;

FIG. 13 is a schematic view of a configuration of the pickup roller;

FIG. 14 is a cross-sectional view of the structure shown in FIG. 13;

FIG. 15 is a schematic view of one configuration of a printing support;

FIG. 16 is a schematic diagram of the operation of the print head and the pick-up roller;

FIG. 17 is an exploded view of the cutting mechanism;

fig. 18 is an assembly structure diagram of the cutting mechanism.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

Referring to fig. 1 to 11, the present invention provides a labeling machine, including a labeling machine body, a printing module, a decompression mechanism and a label paper are disposed in the labeling machine body, the printing module includes a pickup rubber roller 100, a printing nozzle 201, a printing support 200 and a tension spring 300, the pickup rubber roller 100 can be rotatably mounted in the labeling machine body around its axis, the printing nozzle 201 is mounted on the printing support 200, the printing support 200 is rotatably mounted in the labeling machine body and can realize the attachment and separation of the printing nozzle 201 and the pickup rubber roller 100 during the rotation process, one end of the tension spring 300 is connected to the printing support 200, the other end is fixed to one side of the printing support 200 close to the pickup rubber roller 100 for pulling the printing support 200 to make the printing nozzle 201 attach to the pickup rubber roller 100, the decompression mechanism acts on the printing support 200 for controlling the printing support 200 to rotate and separate from the pickup rubber roller 100, the label paper passes through between the pickup roller 100 and the print head 201.

As shown in fig. 6-11, it is obvious that the utility model provides a labeler only realizes printing shower nozzle 201 and picks up the laminating between the rubber roll 100 through an extension spring 300 to this extension spring 300 is for the installation axle of printing support 200, it is close to the one end of picking up the rubber roll 100 to connect the printing support 200, compared with traditional structure, the volume of this kind of connection structure design is littleer, be convenient for in the labeler the installation of other structures, set up or reduce the volume of labeler, the structure setting has been simplified simultaneously, be convenient for decompress the design and the operation of structure.

In the conventional labeler structure, a rolled label paper is directly mounted in the labeler after the wrapping film is torn off, and the label paper is easily scattered or damaged in the process. In order to solve the problem, as shown in fig. 2-4, the utility model discloses in this internal label holding chamber that is provided with of labeler, the label paper is provided with label shell 701, the label paper is installed in label shell 701, label shell 701 is installed in label holding intracavity with label holding chamber adaptation and detachably, label shell 701 is the transparent construction, and one side or the both sides surface of label shell 701 is provided with opening 702 for through the rotatory label paper of opening 702.

As shown in fig. 2 and 3, the tag case 701 has a non-rotating body structure, so that the tag case 701 is prevented from rotating when the tag paper is pulled by being installed in the tag accommodating chamber. As shown in the figure, the label housing 701 is formed by buckling two half shells, and a cylinder structure is arranged at the center of the two half shells, so that the label paper is sleeved on the cylinder structure to realize rotation, and then the two half shells are spliced to complete the installation of the label paper.

Through setting up transparent label shell 701 like this, be convenient for observe the user state of label paper, realize protecting label paper simultaneously. An opening 702 is formed in the label housing 701, so that the label paper can be conveniently rotated when the label housing 701 is taken out in maintenance or other stages, and the drawn label paper can be partially withdrawn for protection. And can directly replace traditional packaging film through label shell 701, because label shell 701 can recycle, used repeatedly, more disposable packaging film, be favorable to environmental protection, reduction in production cost.

Further, as shown in fig. 2, 4 and 5, a control panel 600 and a battery installation cavity are arranged in the labeler body, a positive electrode tab and a negative electrode tab are arranged in the battery installation cavity, the positive electrode tab and the negative electrode tab are provided with a conductive spring 801 and are electrically connected with the control panel 600 through the conductive spring 801, and the printing nozzle 201 is electrically connected with the control panel 600. As shown in the figure, the battery installation cavity in this embodiment is provided with four battery installation positions to install four batteries 707, two tabs 802 with the same structure but insulated from each other are arranged at one end of the battery installation cavity, an elastic sheet is arranged at the upper end of the tab 802 in the direction shown in the figure, a planar conductive spiral sheet 803 is arranged at the other end of the battery installation cavity corresponding to the elastic sheet, a battery spring 804 is arranged at the lower end of the conductive spiral sheet 803, one battery spring 804 and the other conductive spiral sheet 803 in the vertical direction are formed by winding the same conductive metal wire, two conductive springs 801 are arranged and correspond to the independent conductive spiral sheet 803 and the battery spring 804 respectively, and the two conductive spiral sheets are also formed by winding the same conductive metal wire.

Thus, when the batteries 707 are installed, the four batteries 707 are connected in series through the structure, and the two conductive springs 801 are connected with the control panel 600 at the same time at the similar position, so that the pins on the control panel 600 can be conveniently arranged, and the connection stability between the control panel 600 and the batteries 707 can be ensured through the conductive springs 801.

As a first preferred embodiment of the present invention, a medium decompression mechanism: as shown in fig. 6, the decompression mechanism includes a slider 202, a first decompression spring 203, a sensing handle 204, and a back cover 400: the sliding block 202 is slidably arranged at one end of the printing support 200, which is far away from the picking rubber roller 100, and can pull the printing support 200 to rotate along the direction far away from the picking rubber roller 100 in the sliding process; the first decompression spring 203 acts on the sliding block 202 and is used for pushing the sliding block 202 to slide so as to drive the printing support 200 to rotate in the direction away from the picking rubber roller 100, and the acting force of the first decompression spring 203 on the sliding block 202 is greater than the acting force of the tension spring 300 on the printing support 200; the detection handle 204 is rotatably arranged and is positioned at one end of the slide block 202 in the advancing direction pushed by the first decompression spring 203, and the rotating shaft of the detection handle 204 is perpendicular to the rotating shaft of the printing support 200, so that the slide block 202 is overturned under the action of the slide block 202 when the slide block 202 is pushed to advance by the first decompression spring 203; the rear cover 400 is provided with a protruding structure 401 which can act on the detection handle 204, the protruding structure 401 can push the detection handle 204 to move towards the sliding block 202 and push the sliding block 202 to slide along the direction of overcoming the acting force of the first decompression spring 203, and then the printing support 200 enables the printing spray head 201 to be attached to the pickup rubber roller 100 under the action of the tension spring 300.

As shown in the figure, only the locking leg which is linked when the sliding block 202 slides under the action of the first decompression spring 203 is arranged between the sliding block 202 and the printing support 200, so that when the acting force of the first decompression spring 203 is overcome by the external force, the printing support 200 is only acted by the tension spring 300. In order to facilitate the matching between the protrusion structure 401 and the detection handle 204, an inclined surface is disposed at one end of the detection handle 204 close to the protrusion structure 401, so that the protrusion structure 401 is pushed against the inclined surface to drive the rotation thereof.

Thus, under the condition that the rear cover 400 is detached, the sliding block 202 slides under the pushing of the first decompression spring 203, and simultaneously drives the printing support 200 and the detection handle 204 to rotate, so that the printing nozzle 201 is separated from the pickup rubber roller 100, and automatic decompression is realized. When the rear cover 400 is installed, the protruding structure 401 pushes the detection handle 204, the detection handle 204 overcomes the acting force of the first decompression spring 203 and pushes the slider 202 to slide in the opposite direction, and at this time, the printing support 200 is automatically attached to the pickup roller 100 under the action of the tension spring 300, so that the preparation of the printing work is completed.

As a second preferred embodiment of the decompression mechanism of the present invention: as shown in fig. 7 and 8, the decompression mechanism includes a decompression link 500, a second decompression spring 502, and a rear cover 400; the decompression connecting rod 500 is rotatably arranged and is provided with a linkage structure for linking the printing support 200; one end of the second decompression spring 502 is connected with the decompression connecting rod 500, and the other end is fixed so as to be used for drawing the decompression connecting rod 500 to rotate, and the acting force exerted on the printing support 200 by the decompression connecting rod 500 is greater than the acting force of the tension spring 300 on the printing support 200, so that the printing spray head 201 is driven to be separated from the pickup rubber roller 100; the rear cover 400 is provided with a protruding structure 401 capable of pushing the decompression connecting rod 500, the protruding structure 401 can push the decompression connecting rod 500, so that the decompression connecting rod 500 rotates in the direction of overcoming the acting force of the second decompression spring 502, and the printing support 200 enables the printing spray head 201 to be attached to the pickup rubber roller 100 under the action of the tension spring 300.

In order to simplify the structure, the rotation axis of the decompression link 500 is coaxial with the rotation axis of the printing support 200, that is, the decompression link 500 is installed on the pivot shaft of the printing support 200. And in order to facilitate the design of the second decompression spring 502, the moment arm of the second decompression spring 502 is equal to the moment arm of the tension spring 300, so as to facilitate the realization that the acting force of the second decompression spring 502 is greater than the acting force of the tension spring 300 on the printing support 200. Like the first preferred embodiment of the decompression mechanism, the decompression link 500 rotates the printing support 200 only when rotated by the second decompression spring 502, but does not rotate the printing support 200 only by the tension spring 300 when rotated against the second decompression spring 502 by the back cover 400.

Meanwhile, in order to fix the end of the second decompression spring 502, a mounting seat 501 is provided, and the end of the second decompression spring 502 is buckled into a hole of the mounting seat 501 to realize fixation.

Thus, under the condition that the rear cover 400 is detached, the stretched second decompressing spring 502 can pull the decompressing connecting rod 500 to rotate, and can drive the printing support 200 to rotate simultaneously or after rotating for a certain angle, so that the printing nozzle 201 and the picking-up rubber roller 100 can be automatically separated. When the rear cover 400 is installed, the protrusion structure 401 pushes the decompression link 500 to rotate in the reverse direction and stretch the second decompression spring 502, and the printing support 200 is reset by the tension spring 300 to complete the preparation for the printing work.

As the utility model discloses in decompress the third preferred embodiment of mechanism: as shown in fig. 9 and 10, the decompression mechanism includes a decompression link 500, a decompression torsion spring 503, and a rear cover 400; the decompression connecting rod 500 is rotatably arranged and is provided with a linkage structure for linking the printing support 200; the decompression torsion spring 503 acts on the decompression connecting rod 500, and the acting force of the decompression torsion spring on the printing support 200 through the decompression connecting rod 500 is larger than the acting force of the tension spring 300 on the printing support 200, so that the printing spray head 201 is driven to be separated from the pickup rubber roller 100; the rear cover 400 is provided with a protruding structure 401 capable of pushing the decompression connecting rod 500, the protruding structure 401 can push the decompression connecting rod 500, so that the decompression connecting rod 500 rotates in the direction of overcoming the acting force of the decompression torsion spring 503, and the printing support 200 enables the printing spray head 201 to be attached to the pickup rubber roller 100 under the action of the tension spring 300.

The decompression link 500 may be installed in a manner of being coaxial with the printing support 200 as shown in fig. 9, or may be installed separately as shown in fig. 10, and is not particularly limited thereto.

And as shown in fig. 11, the decompression mechanism of the present invention is disposed in the same or similar vertical plane with the tension spring 300, and the action point of the decompression mechanism to the printing support 200 is similar or the same, obviously, the decompression mechanism has a simple structure, occupies a small volume, and is convenient for installation of other structures when being applied to a labeling machine.

In addition, as shown in fig. 16, since the acting force of the tension spring 300 is only located at one end of the adhering surface of the print head 201 and the pickup rubber roller 100, in the actual working process, the position of the print head 201 close to the tension spring 300 is tightly adhered to the pickup rubber roller 100, and the position of the print head 201 far away from the tension spring 300 along the axial direction of the pickup rubber roller 100 is loosely adhered to the pickup rubber roller 100, so that the contact between the print head 201 and the pickup rubber roller 100 is not uniform, and finally, the printed patterns or characters are relatively tight in the position close to the tension spring 300 and white in the position far away from the tension spring 300 along the axial direction of the pickup rubber roller 100. In order to solve the problem, the utility model provides a following two kinds of technical scheme.

The first technical scheme is as follows: as shown in fig. 15, a raised supporting structure 207 is disposed at a middle position of the printing nozzle 201 along the axial direction of the pickup roller 100 of the printing support 200, and when the printing support rotates toward the pickup roller 100 under the action of the tension spring 300, the raised supporting structure 207 acts on the middle position of the printing nozzle 201 along the axial direction of the pickup roller 100 and makes the printing nozzle adhere to the pickup roller 100.

Considering that the printing head 201 may be frequently decompressed and pressed in the actual working process (even if the printing head 201 is attached to or detached from the pickup roller 100), if the protrusion supporting structure 207 directly supports the printing head 201, the printing head 201 is easily damaged, and the printing head 201 is not easy to be installed. For this reason, the utility model discloses in further will print support 200 sets up to including installing support 205 and regulation support 206, installing support 205 and regulation support 206 rotate to set up in same pivot, installing support 205 is located and adjusts support 206 and is close to the one end of picking up rubber roll 100, print shower nozzle 201 and install in installing support 205 and be close to the one end of picking up rubber roll 100, protruding holding structure 207 sets up and corresponds the region of printing shower nozzle 201 along picking up the axial intermediate position of rubber roll 100 on adjusting support 206 and being close to the one end of installing support 205 and holding installing support 205 in the top, extension spring 300 acts on adjusting support 206 to when extension spring 300 acts on adjusting support 206, push up installing support 205 and keep printing shower nozzle 201 laminating to pick up rubber roll 100 through protruding holding structure 207.

Therefore, the installation of the printing nozzle 201 is facilitated by arranging the installation support 205, and the pushing and the stress on the printing nozzle 201 are realized by adjusting the support 206 to push the installation support 205, so that the preset effect can be realized, the printing nozzle 201 can be protected, and the printing nozzle 201 is prevented from being damaged in the frequent decompression and pressure application process. In the actual production process, the specific setting position of the protrusion supporting structure 207 can be flexibly set according to the requirement, and is not limited to the midpoint position of the printing nozzle 201 along the axial direction of the pick-up rubber roller 100. As shown in fig. 15, the raised supporting structure 207 is a column structure, and may be configured as a raised strip, a raised hull, or other structures.

Further, in order to improve the universality and the application range, the utility model discloses in will protruding top-holding structure 207 can be installed on adjusting bracket 206 along picking up rubber roll 100 axial regulation for printing shower nozzle 201. Specifically, a plurality of positioning holes are formed in the adjusting bracket 206 along the axial direction of the pickup roller 100, and the protruding abutting structure 207 is inserted into the positioning holes, so that the adjustment can be realized by inserting the protruding abutting structure into the positioning holes at different positions according to different requirements.

The second technical scheme is as follows: as shown in fig. 13, the surface of the pick-up roller 100 has a certain taper along its own axis, and the diameter of the end close to the tension spring 300 is smaller than that of the end far from the tension spring 300. The pickup rubber roller 100 comprises a gear rotating shaft 102 and a rubber sleeve 101 sleeved on the gear rotating shaft 102.

In order to form the pickup roller 100 having a taper on the surface, as the first preferred embodiment of the present invention: the surface of the rubber sleeve 101 and/or the gear rotating shaft 102 has a certain taper along the self axial direction, and the diameter of one end of the rubber sleeve 101 and/or the gear rotating shaft 102 close to the tension spring 300 is smaller than that of one end of the rubber sleeve 101 far away from the tension spring 300, so that when the rubber sleeve 101 is sleeved on the gear rotating shaft 102, the pickup rubber roller 100 with a certain taper along the self axial direction can be formed.

The rubber sleeve 101 and the gear rotating shaft 102 include, but are not limited to, the following three forms:

firstly, the rubber sleeve 101 is set to be a cylindrical structure, the gear rotating shaft 102 is set to be a conical shape, and the rubber sleeve 101 has elastic deformation capacity, so that when the rubber sleeve 101 is sleeved on the gear rotating shaft 102, the rubber sleeve can be coated on the gear rotating shaft 102, and the pickup rubber roller 100 with a certain conical degree on the surface along the self axial direction is formed;

secondly, as shown in fig. 14, the gear rotating shaft 102 is arranged to be cylindrical, and the rubber sleeve 101 is arranged to be of a structure with a cylindrical inner ring and a conical surface;

thirdly, the gear rotating shaft 102 is set to be cylindrical, the rubber sleeve 101 is set to be in a structure with a conical inner ring and a cylindrical outer surface, and the rubber sleeve 101 has elastic deformation capacity, so that when the rubber sleeve 101 is sleeved on the gear rotating shaft 102, the reduced part of the inner ring can be propped open by the gear rotating shaft 102, and a taper is formed on the outer surface.

In order to form the pickup roller 100 with a taper on the surface, as a second preferred embodiment of the present invention: the surface of the gear rotating shaft 102 is provided with a plurality of shaft sections (namely, a stepped shaft form) with diameters sequentially increased along the axial direction, and the diameter of the shaft section close to the tension spring 300 is smaller than that of the shaft section far away from the tension spring 300, so that the pickup rubber roller 100 with a certain taper on the surface along the axial direction is formed when the rubber sleeve 101 is sleeved on the gear rotating shaft 102.

Further, the labeler body is also provided with a cutting mechanism, and the cutting mechanism is used for cutting off the label paper.

As shown in fig. 17 and 18, the cutting mechanism includes a shifting block 703, a mounting limit plate 704, a push plate 705 and a blade 706, the mounting limit plate 704 is fixedly mounted in the labeler body, the push plate 705 is slidably mounted on the mounting limit plate 704, the blade 706 is fixed at the front end of the push plate 705, the shifting block 703 is fixedly connected with the push plate 705 and extends outside the labeler body, and a return spring is further disposed between the shifting block 703 or the push plate 705 and the mounting limit plate 704. And as shown in the figure, the cutting mechanism and the decompression mechanism are respectively arranged on two sides of the output end of the label paper on the labeler body so as to avoid interference. When the label cutting machine works, the pushing block 703 is pushed to drive the pushing plate 705 and the blade 706 to move towards the label paper direction and cut off, and then the pushing plate is automatically reset under the action of the reset spring.

For the tip of fixed extension spring 300, the utility model discloses in be provided with a mounting panel 301, the one end of extension spring 300 is detained and is realized fixing in the hole site of mounting panel 301. And the mounting plate 301 may be used to pivot the printing stand 200, the pickup roller 100, and the like.

As shown in fig. 2 and 7, in order to implement the installation of the above structure, the labeler body comprises the rear cover 400, the front cover 700, the installation plate 301, and the inner cover 800, wherein the front cover 700 and the inner cover 800 are fixed together by means of screws or fasteners and cover the printing module and the decompression mechanism, a label accommodating cavity is arranged at one end of the inner cover 800, which is far away from the front cover 700, and the rear cover 400 is detachably connected with the front cover 700 from the outer side of the inner cover 800. The mounting plate 301 is fixed between the front cover 700 and the inner cover 800.

In addition, a motor for driving the picking rubber roller 100 to rotate is also arranged in the labeling machine body.

To sum up, the utility model provides a labeller has following advantage:

firstly, the traditional structure of applying pressure by two springs is improved into the structure of applying pressure by one tension spring 300, so that the structure is simplified, the control is convenient, and meanwhile, the space is released, and the arrangement and the installation of other structures are convenient;

secondly, the transparent label shell 701 is arranged, so that the label paper can be protected, and the label paper can be collected into the label shell 701 through the opening 702, so that the use amount of the label paper can be observed conveniently and the label paper can be protected when the label paper is taken out;

thirdly, the problem that the contact between the pickup rubber roller 100 and the printing nozzle 201 is uneven can be solved, and the printing quality is improved;

fourthly, decompress the mechanism and be close to extension spring 300 setting, convenient control, simple structure, control are simple and convenient simultaneously, its reset structure's design only need consider extension spring 300 can to should decompress the mechanism and cover 400 linkage after with, make when installing back lid 400 print shower nozzle 201 automatic laminating pick up rubber roll 100, print shower nozzle 201 and pick up rubber roll 100 autosegregation when dismantling back lid 400, the simplicity is strong.

The above embodiments are merely preferred embodiments of the present invention, and other embodiments are also possible. Equivalent modifications or substitutions may be made by those skilled in the art without departing from the spirit of the invention, and such equivalent modifications or substitutions are intended to be included within the scope of the claims set forth herein.

Claims (10)

1. A labeler is characterized by comprising a labeler body, wherein a printing module, a decompression mechanism and label paper are arranged in the labeler body, the printing module comprises a picking rubber roller, a printing nozzle, a printing bracket and a tension spring, the picking rubber roller can be rotatably arranged in the labeler body around the axis of the picking rubber roller, the printing nozzle is arranged on the printing support, the printing support is rotatably arranged in the labeler body and can realize the joint and separation of the printing nozzle and the picking rubber roller in the rotating process, one end of the tension spring is connected with the printing bracket, the other end of the tension spring is fixed at one side of the printing bracket close to the picking rubber roller, the label paper feeding mechanism is used for pulling the printing support to enable the printing nozzle to be attached to and pick up the rubber roll, the decompression mechanism acts on the printing support to control the printing support to rotate and separate from the picking rubber roll, and the label paper penetrates out of the position between the picking rubber roll and the printing nozzle.

2. The labeling machine according to claim 1, wherein a label accommodating chamber is provided in the labeling machine body, the label paper is provided with a label housing, the label paper is mounted in the label housing, the label housing is adapted to the label accommodating chamber and detachably mounted in the label accommodating chamber, the label housing is of a transparent structure, and one or both side surfaces of the label housing are provided with openings for rotating the label paper through the openings.

3. The labeler of claim 1 wherein the labeler body is provided with a control panel and a battery installation cavity, the battery installation cavity is provided with a positive electrode tab and a negative electrode tab, the positive electrode tab and the negative electrode tab are provided with conductive springs and electrically connected with the control panel through the conductive springs, and the printing nozzle is electrically connected with the control panel.

4. A labeler as claimed in claim 1 wherein said decompression mechanism comprises a slider, a first decompression spring, a sensing handle and a back cover: the sliding block is slidably arranged at one end of the printing support, which is far away from the picking rubber roll, and can pull the printing support to rotate along the direction far away from the picking rubber roll in the sliding process; the first decompression spring acts on the sliding block and is used for pushing the sliding block to slide so as to drive the printing support to rotate in the direction far away from the picking rubber roller, and the acting force of the first decompression spring on the sliding block is greater than that of the tension spring on the printing support; the detection handle is rotatably arranged and is positioned at one end of the slide block in the advancing direction pushed by the first decompression spring, and the rotating shaft of the detection handle is perpendicular to the rotating shaft of the printing support, so that the slide block is overturned under the action of the slide block when pushed to advance by the first decompression spring; the rear cover is provided with a protruding structure which can act on the detection handle, the protruding structure can push the detection handle to move towards the sliding block and push the sliding block to slide along the direction of overcoming the acting force of the first decompression spring, and then the printing support enables the printing nozzle to be attached to and pick up the rubber roller under the action of the tension spring.

5. A labeler as claimed in claim 1 wherein said decompression mechanism comprises a decompression link, a second decompression spring and a rear cover; the decompression connecting rod is rotatably arranged and is provided with a linkage structure for linking the printing support; one end of the second decompression spring is connected with the decompression connecting rod, and the other end of the second decompression spring is fixed so as to be used for drawing the decompression connecting rod to rotate; the back lid has one can push away and decompress the protruding structure of connecting rod, protruding structure can push away and decompress the connecting rod for decompress the connecting rod and rotate along the direction of the power direction of overcoming the second and decompressing the spring, and then make the printing support make the laminating of printing shower nozzle pick up the rubber roll under the effect of extension spring.

6. A labelling machine as claimed in claim 5, wherein the pivot of the pressure relief link is coaxial with the pivot of the print carriage and the arm of the second pressure relief spring is equal to the arm of the tension spring.

7. A labeler as claimed in claim 1 wherein said decompression mechanism comprises a decompression link, a decompression torsion spring and a rear cover; the decompression connecting rod is rotatably arranged and is provided with a linkage structure for linking the printing support; the decompression torsion spring acts on the decompression connecting rod, and the acting force of the decompression torsion spring acting on the printing support through the decompression connecting rod is larger than the acting force of the tension spring on the printing support, so that the printing nozzle is driven to be separated from the pickup rubber roller; the rear cover is provided with a protruding structure capable of pushing the decompression connecting rod, the protruding structure can push the decompression connecting rod, so that the decompression connecting rod rotates in the direction of overcoming the acting force of the decompression torsion spring, and the printing support enables the printing nozzle to be attached to and pick up the rubber roller under the action of the tension spring.

8. The labeling machine as claimed in claim 1, wherein said printing support has a raised supporting structure at a middle position of the printing head along the axial direction of the pickup roller, and said printing support acts on the middle position of the printing head along the axial direction of the pickup roller through said raised supporting structure and makes it fit with the pickup roller when the printing head rotates toward the pickup roller under the action of the tension spring.

9. A labelling machine as claimed in claim 1, wherein the surface of the take-up roller is tapered axially and has a smaller diameter at its end adjacent the tension spring than at its end remote from the tension spring.

10. A labelling machine as claimed in any of claims 1 to 9, wherein the labelling machine body is further provided with a cutter mechanism for cutting the label stock.

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