CN217455400U

CN217455400U - Hold-down structure and anti-counterfeit label marking and pressing device

Info

Publication number: CN217455400U
Application number: CN202221537711.9U
Authority: CN
Inventors: 奚靖坤; 李艳君; 刘祥; 黄志勇
Original assignee: Zhongbiao Anticounterfeit Printing Co ltd
Current assignee: Zhongbiao Anticounterfeit Printing Co ltd
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2022-09-20
Anticipated expiration: 2032-06-20

Abstract

The application provides a compacting structure and anti-counterfeit label beat mark closing device belongs to thermal head hold-down mechanism technical field. The pressing structure comprises two side plates and a pressing component, a rotating shaft is rotatably arranged between the two side plates, one end of the rotating shaft penetrates through the adjacent side plate and is connected with a handle, a locking part for limiting the handle is arranged on the handle, the top of the thermal head supporting plate is provided with a thermal head, the sliding rod is arranged at the bottom of the fixing plate, the sliding plate is sleeved on the sliding rod in a sliding manner, the bottom of the sliding plate is provided with a sliding block, the spring is sleeved outside the sliding rod, the two ends of the spring are respectively contacted with the bottom of the fixed plate and the top of the sliding plate, the bottom of the fixed plate is provided with the lifting piece capable of compressing the spring, the lifting piece is movably connected with the sliding plate, this compact structure and antifalsification label beat mark closing device is convenient for carry on the spanner spacing and be convenient for change the spring.

Description

Hold-down structure and anti-counterfeit label marking and pressing device

Technical Field

The application relates to the technical field of thermal head pressing mechanisms, in particular to a pressing structure and an anti-counterfeiting label marking and pressing device.

Background

When the existing bar code label printer is used for printing, a thermal head needs to be tightly pressed on a printing rubber roller so as to ensure that the thermal head can be reliably contacted with a carbon ribbon and ensure the printing quality. The thermal head pressing mechanism of the existing bar code label printer mostly adopts the following structure: the rotary pressing rotating shaft and the pressing block fixed on the pressing rotating shaft are rotated to drive the pressing block to press on the thermal head supporting plate provided with the thermal head so as to ensure that the thermal head and the printing rubber roller are pressed tightly. The pressing mechanism with the structure has the defects that the pressing force cannot be adjusted and the reliable contact between the thermal head and the carbon ribbon is influenced.

The citation application number is "201120569726.9", the name is "thermal head hold-down mechanism of bar code label printer"'s a chinese patent application, and it is in including corresponding rotatable back shaft, the setting of thermal head backup pad setting between left and right side board at least one pressure guiding mechanism on the back shaft, be equipped with the through-hole on the back shaft, pressure guiding mechanism includes support, traveller, be equipped with the screw thread on the traveller and with this screw-thread fit's adjusting nut, its threaded one end is worn to establish in the through-hole on the back shaft, is equipped with the pressure spring on the traveller between back shaft and adjusting nut, and the other end of traveller is equipped with and can oppresses the slider in the thermal head backup pad, and the traveller passes through support and back shaft are connected. The utility model discloses simple structure compresses tightly reliably, and the packing force is adjustable and the adjustment is convenient.

The application passes through the spanner and drives the back shaft rotation to make the epaxial pressure guiding mechanism of back rotate, after pressure guiding mechanism rotates to suitable position, for guaranteeing that pressure guiding mechanism rotates the rigidity after, need the people hand to keep the spanner motionless, above-mentioned patent does not set up spacing fixed establishment to the spanner after the rotation, has certain limitation. In addition, the rotatable adjusting nut of above-mentioned application reaches the regulation purpose through the size of regulation spring force, and in the long-time use of spring, the spring is reciprocal flexible easily to cause spring fatigue, and the spring in the above-mentioned application is fixed setting, can not change to make closing device be difficult to adapt to the work of longer time.

Disclosure of Invention

In order to make up for above not enough, this application provides a hold-down structure and anti-counterfeit label beats mark closing device, aims at improving above-mentioned problem of proposing.

In a first aspect, an embodiment of the application provides a compression structure, which comprises two side plates and a compression assembly, wherein a rotating shaft is rotatably installed between the two side plates, one end of the rotating shaft penetrates through the adjacent side plate and is connected with a handle, the handle is provided with a locking member for limiting the rotating shaft, a thermal head supporting plate is movably installed between the two side plates, a thermal head is arranged at the top of the thermal head supporting plate, the compression assembly comprises a fixed plate, a sliding rod, a sliding plate, a spring and a lifting member, the fixed plate is arranged outside the rotating shaft, the sliding rod is arranged at the bottom of the fixed plate, the sliding plate is slidably sleeved on the sliding rod, a sliding block is arranged at the bottom of the sliding plate, the bottom of the sliding block is hemispherical, the spring is sleeved outside the sliding rod, and two ends of the spring are respectively contacted with the bottom of the fixed plate and the top of the sliding plate, the bottom of the fixed plate is provided with the lifting piece capable of compressing the spring, and the lifting piece is movably connected with the sliding plate.

In a specific embodiment, the retaining member includes locking bolt and jack, the locking bolt screw thread run through in the handle, the jack set up in curb plate one side, the jack can supply locking bolt pegs graft, the jack is provided with a plurality of, a plurality of the jack about the pivot is the annular array and distributes.

In a specific embodiment, a circular ring is arranged on the top of the fixing plate, and the circular ring is fixedly sleeved on the rotating shaft.

In a specific embodiment, the lifting member includes a screw fixed to the bottom of the fixing plate and a nut, the sliding plate is movably sleeved on the screw, the nut is sleeved on the screw in a threaded manner, and the top of the nut contacts with the bottom of the sliding plate.

In a specific embodiment, two lifting pieces are arranged, and the two lifting pieces are symmetrically arranged around the sliding rod.

In a specific embodiment, two sliding blocks are arranged, and the two sliding blocks are symmetrically arranged at the bottom of the sliding plate.

In a second aspect, an embodiment of the application further provides a marking and compressing device for an anti-counterfeit label, including foretell compact structure and dismouting subassembly, the dismouting subassembly includes supporting shoe and positioning bolt, the supporting shoe is provided with two, two the supporting shoe sets up respectively in two the one end that the curb plate is relative, temperature sensing head backup pad bottom both sides respectively with two the supporting shoe top contacts, positioning bolt is in threaded mounting on the supporting shoe, the positioning bolt top stretches into inside the temperature sensing head backup pad.

In a specific embodiment, a positioning hole for the positioning bolt to be inserted is formed at the bottom of the thermal head support plate and in a position corresponding to the positioning bolt, and the top of the positioning bolt is located inside the positioning hole.

The embodiment of the application has the advantages that:

1. the rotating handle drives the rotating shaft to rotate, and then the fixed plate outside the rotating shaft is driven to rotate, so that the sliding block at the bottom of the sliding plate is contacted with the thermal head supporting plate, at the moment, the sliding block is resisted by the thermal head to enable the sliding plate to move upwards (not shown in a thermal head drawing), thereby enabling the spring to be compressed, the sliding block is enabled to be pressed on the thermal head supporting plate downwards through the reaction force after the spring is compressed, at the moment, the handle also rotates to a corresponding position, the position of the rotating handle is fixed through the locking part on the handle, thereby enabling the sliding block to be firmly pressed on the thermal head supporting plate without displacement, when the pressing force needs to be adjusted, because the lifting part of the compressible spring is arranged at the bottom of the fixed plate, the vertical length of the compressed spring can be adjusted through the lifting part, thereby adjusting the pressing force of the sliding block on the thermal head supporting plate, when the spring is used for a long time and generates fatigue and needs to be replaced, because the lifting piece is movably connected with the sliding plate, the spring is sleeved outside the sliding rod, and two ends of the spring are respectively contacted with the bottom of the fixed plate and the top of the sliding plate, the lifting piece is separated from the sliding plate, the sliding plate is moved downwards to be separated from the sliding rod, and the spring can be separated from the sliding rod by moving the spring downwards at the moment, so that the spring is installed between the fixed plate and the sliding plate again, and the device can adapt to elastic pressing work for a long time.

2. The fixing sleeve is fixedly connected with the rotating shaft through the circular ring, so that the firmness of connection between the fixed plate and the rotating shaft is improved. Because the nut is positioned at the bottom of the sliding plate and the nut thread is sleeved outside the screw rod, the sliding plate cannot slide downwards even if the sliding plate is subjected to self gravity, and the nut is rotated to move upwards, so that the sliding plate is driven to move upwards, and the spring between the sliding plate and the fixing plate is compressed. The two sliders are symmetrically arranged at the bottom of the sliding plate and are arranged to enlarge the contact area between the sliders and the thermal head support plate. The top of the positioning bolt is located inside the positioning hole at first so as to ensure the firmness of the position where the thermal head supporting plate is located, and when the sliding block does not compress the thermal head supporting plate, the thermal head supporting plate is moved upwards so that the positioning hole is separated from the positioning bolt, so that the thermal head supporting plate can be taken down for replacement.

Drawings

In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic structural diagram of a pressing structure and an anti-counterfeit label marking pressing device provided in an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a dismounting assembly according to an embodiment of the present disclosure;

FIG. 3 is a right side view of the right side plate of FIG. 2 according to an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of a pressing assembly provided in an embodiment of the present application.

In the figure: 100-side plate; 120-a rotating shaft; 130-a handle; 140-a retaining member; 141-a locking bolt; 142-a jack; 150-thermal head support plate; 151-locating holes; 200-a hold down assembly; 210-a fixed plate; 211-circular ring; 220-a slide bar; 230-a slide plate; 231-a slider; 240-spring; 250-a lifting member; 251-a screw; 252-a nut; 300-a disassembly and assembly component; 310-a support block; 320-positioning bolt.

Detailed Description

The technical scheme in the embodiment of the application has the following general idea:

example 1:

referring to fig. 1-4, the present application provides a pressing structure, including two side plates 100 and a pressing assembly 200, two side plates 100 are disposed, a rotating shaft 120 is rotatably mounted between the two side plates 100, one end of the rotating shaft 120 penetrates through the adjacent side plate 100 and is connected with a handle 130, a locking member 140 for limiting itself is disposed on the handle 130, a thermal head supporting plate 150 is movably mounted between the two side plates 100, a thermal head is disposed on the top of the thermal head supporting plate 150, the pressing assembly 200 includes a fixing plate 210, a sliding rod 220, a sliding plate 230, a spring 240, and a lifting member 250, the fixing plate 210 is disposed outside the rotating shaft 120, the sliding rod 220 is disposed at the bottom of the fixing plate 210, the sliding plate 230 is slidably sleeved on the sliding rod 220, a sliding block 231 is disposed at the bottom of the sliding plate 230, the bottom of the sliding block 231 is hemispherical, the spring 240 is sleeved outside the sliding rod 220, two ends of the spring 240 are respectively contacted with the bottom of the fixing plate 210 and the top of the sliding plate 230, the bottom of the fixed plate 210 is provided with a lifting member 250 of a compressible spring 240, and the lifting member 250 is movably connected with the sliding plate 230.

Retaining member 140 includes locking bolt 141 and jack 142, and locking bolt 141 screw thread runs through in handle 130, and jack 142 sets up in curb plate 100 one side, and jack 142 can supply locking bolt 141 to peg graft, and jack 142 is provided with a plurality of, and a plurality of jack 142 is annular array distribution about pivot 120, after handle 130 rotated to suitable position, revolves locking bolt 141 on handle 130 in the jack 142 of alignment to accomplish the fixed process of handle 130 position.

The top of the fixing plate 210 is provided with a circular ring 211, the circular ring 211 is fixedly sleeved on the rotating shaft 120, and the circular ring 211 is fixedly sleeved on the rotating shaft 120, so as to improve the firmness of connection between the fixing plate 210 and the rotating shaft 120.

The lifting member 250 includes a screw 251 and a nut 252, the screw 251 is fixed at the bottom of the fixing plate 210, the sliding plate 230 is movably sleeved on the screw 251, the nut 252 is threadedly sleeved on the screw 251, the top of the nut 252 is in contact with the bottom of the sliding plate 230, because the nut 252 is located at the bottom of the sliding plate 230, and the nut 252 is threadedly sleeved outside the screw 251, the sliding plate 230 will not slide down even if it receives its own gravity, and the nut 252 is rotated to move up, thereby driving the sliding plate 230 to move up, and further compressing the spring 240 between the sliding plate 230 and the fixing plate 210.

The two lifting pieces 250 are symmetrically arranged about the sliding rod 220, the two lifting pieces 250 correspond to the two screws 251, the sliding plate 230 is slidably sleeved on the sliding rod 220, the sliding plate 230 is movably sleeved on the screws 251, and the sliding plate 230 can only move up and down and cannot rotate due to the arrangement of the two screws 251 when moving.

The two sliders 231 are symmetrically arranged at the bottom of the sliding plate 230, and the contact area between the two sliders 231 and the thermal head supporting plate 150 is enlarged by the arrangement of the two sliders 231.

Referring to fig. 2, the application further provides an anti-counterfeit label marking and pressing device, including the above-mentioned pressing structure and the dismounting and mounting assembly 300, the dismounting and mounting assembly 300 includes two supporting blocks 310 and two positioning bolts 320, the two supporting blocks 310 are respectively disposed at opposite ends of the two side plates 100, two sides of the bottom of the thermal head supporting plate 150 are respectively contacted with the tops of the two supporting blocks 310, the positioning bolts 320 are installed on the supporting blocks 310 in a threaded manner, and the tops of the positioning bolts 320 extend into the thermal head supporting plate 150.

The bottom of the thermal head support plate 150 and the position corresponding to the positioning bolt 320 are provided with positioning holes 151 for the positioning bolt 320 to be inserted, the top of the positioning bolt 320 is located inside the positioning holes 151, the two support blocks 310 are arranged, so that the thermal head support plate 150 is placed on the top of the two support blocks 310, and the top of the positioning bolt 320 is located inside the positioning holes 151 at first, so that the firmness of the position where the thermal head support plate 150 is located is ensured, when the slider 231 does not compress the thermal head support plate 150, the thermal head support plate 150 is moved upwards to separate the positioning holes 151 from the positioning bolt 320, so that the thermal head support plate 150 can be taken down for replacement.

When this application uses: the handle 130 is rotated to drive the rotating shaft 120 to rotate, and further the fixing plate 210 outside the rotating shaft 120 is driven to rotate, so that the sliding block 231 at the bottom of the sliding plate 230 contacts with the thermal head supporting plate 150, at this time, the sliding block 231 is abutted by the thermal head at the top of the thermal head supporting plate 150 to move the sliding plate 230 upwards (not shown in the thermal head drawing), so that the spring 240 is compressed, the sliding block 231 is pressed downwards on the thermal head supporting plate 150 through the reaction force after the spring 240 is compressed, at this time, the handle 130 is also rotated to the corresponding position, the position where the handle 130 is rotated is fixed through the locking member 140 on the handle 130, so that the sliding block 231 is stably pressed on the thermal head supporting plate 150 without displacement, when the pressing force needs to be adjusted, because the lifting member 250 capable of compressing the spring 240 is arranged at the bottom of the fixing plate 210, the vertical length of the compressed spring 240 can be adjusted through the lifting member 250, therefore, the pressing force of the slider 231 on the thermal head support plate 150 is adjusted, when the spring 240 is fatigued after long-term use and needs to be replaced, because the lifting member 250 is movably connected with the sliding plate 230, the spring 240 is sleeved outside the sliding rod 220, and two ends of the spring 240 are respectively contacted with the bottom of the fixed plate 210 and the top of the sliding plate 230, the lifting member 250 is separated from the sliding plate 230, the sliding plate 230 is moved downwards to be separated from the sliding rod 220, at the moment, the spring 240 can be separated from the sliding rod 220 by moving downwards, so that the spring 240 is installed between the fixed plate 210 and the sliding plate 230 again, and the device can adapt to elastic pressing work for a long time.

It should be noted that the specific model specification of the thermal head support plate 150 needs to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art, so detailed description is omitted.

The power supply of the thermal head support plate 150 and its principle will be apparent to those skilled in the art and will not be described in detail herein.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A pressing structure is characterized by comprising

The device comprises two side plates, a rotating shaft is rotatably arranged between the two side plates, one end of the rotating shaft penetrates through the adjacent side plate and is connected with a handle, a locking part for limiting the handle is arranged on the handle, a thermal head supporting plate is movably arranged between the two side plates, and a thermal head is arranged at the top of the thermal head supporting plate;

the compressing assembly comprises a fixed plate, a slide rod, a slide plate, a spring and a lifting piece, wherein the fixed plate is arranged outside the rotating shaft, the slide rod is arranged at the bottom of the fixed plate, the slide plate is slidably sleeved on the slide rod, the bottom of the slide plate is provided with a slide block, the bottom of the slide block is hemispherical, the spring is sleeved on the outside of the slide rod, two ends of the spring are respectively contacted with the bottom of the fixed plate and the top of the slide plate, the bottom of the fixed plate is provided with the compressible spring, the lifting piece is movably connected with the slide plate.

2. The pressing structure as claimed in claim 1, wherein the locking member includes a locking bolt and a plurality of insertion holes, the locking bolt is threaded through the handle, the insertion holes are disposed on one side of the side plate, the insertion holes are used for the locking bolt to insert, and the plurality of insertion holes are distributed in a circular array around the rotating shaft.

3. The pressing structure as claimed in claim 1, wherein a ring is disposed on a top of the fixing plate, and the ring is fixedly sleeved on the rotating shaft.

4. The compacting structure of claim 1, wherein the lifting member comprises a screw and a nut, the screw is fixed to the bottom of the fixing plate, the sliding plate is movably sleeved on the screw, the nut is sleeved on the screw in a threaded manner, and the top of the nut is in contact with the bottom of the sliding plate.

5. The pressing structure according to claim 4, wherein there are two of said lifting members, and said two lifting members are symmetrically disposed about said sliding rod.

6. The pressing structure according to claim 1, wherein there are two of said sliding blocks, and said two sliding blocks are symmetrically disposed at the bottom of said sliding plate.

7. A marking and pressing device for an anti-counterfeit label is characterized by comprising

A compression structure as claimed in any one of claims 1 to 6; and

the disassembly and assembly component comprises two supporting blocks and two positioning bolts, the two supporting blocks are arranged at one ends, opposite to the two side plates, of the side plates respectively, two sides of the bottom of the thermal head supporting plate are in contact with the tops of the two supporting blocks respectively, the positioning bolts are installed on the supporting blocks in a threaded mode, and the tops of the positioning bolts stretch into the thermal head supporting plate.

8. The anti-counterfeit label marking and pressing device as claimed in claim 7, wherein a positioning hole for inserting the positioning bolt is formed at the bottom of the thermal head supporting plate and in a position corresponding to the positioning bolt, and the top of the positioning bolt is located inside the positioning hole.