CN216032519U - Cutting mechanism and printing device using same - Google Patents

Abstract

The utility model discloses a cutting mechanism and a printing device using the same, and belongs to the technical field of printing devices. The cutting mechanism comprises a cutting mechanism bracket and a shearing part arranged on the cutting mechanism bracket; the shearing part comprises a full-cutting assembly and a half-cutting assembly, the full-cutting assembly is used for performing full-cutting operation on consumables, and the half-cutting assembly is used for performing half-cutting operation on the consumables; the shearing power part is in transmission connection with the shearing transmission part, the shearing transmission part is movably connected with the shearing part, and the shearing transmission part drives the full-cutting assembly or the half-cutting assembly; the device comprises a signal sensor and a control center, wherein the signal sensor is connected with the control center, the control center is connected with a shearing power part, and the signal sensor is used for judging the conversion between full-cutting operation and half-cutting operation. The printing mechanism comprises a movement bracket and the cutting mechanism applying the movement bracket. The cutting mechanism of the utility model greatly simplifies the structure, reduces the complexity of operation and realizes the automation of full cutting and half cutting of the cutting mechanism.

Description

Cutting mechanism and printing device using same

Technical Field

The utility model relates to the technical field of printing devices, in particular to a cutting mechanism and a printing device using the same.

Background

The identification printer includes a label printer, a line number printer, and the like. After the label printer and the line size printer complete printing, the labels or sleeves need to be cut. Accordingly, a cutting or shearing mechanism is typically provided in label and line size printers for half-cutting or full-cutting labels or sleeves. When the existing cutting mechanism in the printer realizes half-cutting and full-cutting operation, a manual half-cutting and full-cutting mode is mainly adopted, and a semi-automatic mode of automatic half-cutting and manual full-cutting is also adopted, so that the automation degree of the modes is lower on the whole. At present, a cutting mechanism for automatic full-cutting and half-cutting conversion is available in the market, but the cutting mechanism is complex in structure and high in production cost.

For example, the utility model patent application with the publication number of CN107756516A and the utility model patent with the publication number of CN207495647U in china have described a cutting device with a full-cutting mechanism and a half-cutting mechanism, wherein the half-cutting mechanism comprises a half-cutting knife, a half-cutting chopping board, a half-cutting motor and a half-cutting transmission gear train; the full-cutting mechanism comprises static scissors, dynamic scissors, a full-cutting transmission gear train and a full-cutting motor; wherein set up half cutting knife into immovable, and set up half cutting chopping block into rotatable, turn to half cutting knife through half cutting chopping block and accomplish half cutting operation, no matter half cutting chopping block takes place the swing, print media's line of cut can not take place crooked, and to a great extent has guaranteed good cutting effect. The disadvantages are that: the full-cutting mechanism and the half-cutting mechanism are respectively provided with a full-cutting motor and a half-cutting motor, so that the number of gears is increased, and the structure is redundant and complicated.

If the utility model patent application with the Chinese application publication number of CN107379087A and the utility model patent with the Chinese authorization publication number of CN207373283U describe a cutting mechanism with a transmission unit comprising a slide block shaft and an end face cam, the slide block shaft is rotatably connected to a cutting mechanism bracket and is vertical to a cutting board, a cutting knife is movably connected to the slide block shaft along the axial direction of the slide block shaft, one end of the slide block shaft is movably connected with the cutting board, and the other end of the slide block shaft is fixedly connected with a first swinging block; the end face cam is rotatably connected to the position, close to the first swing block, of the cutting mechanism support, and is movably connected with the first swing block and used for being matched with the first swing block to drive the sliding block shaft to rotate, and the cutting block is driven by the sliding block shaft to move in the direction perpendicular to the cutting knife, so that the full cutting portion or the half cutting portion of the cutting block is opposite to the cutting knife. The disadvantages are that: the conversion of the full-cutting function and the half-cutting function requires manual operation, and the structure is redundant and complicated.

For another example, chinese patent application No. CN103101330B describes a cutting mechanism capable of operating a cutting blade with a small torque, which has: the cutter driving mechanism is provided with a sliding cutter holder for supporting the sliding cutter in a manner of cutting, a cutter driving mechanism for enabling the sliding cutter to cut from a waiting position to a cutting position, a tape pressing member for pressing the printing tape to the tape supporting member, and a return spring and a spiral spring, wherein one force application end of the return spring is hung on the tape pressing member, the return spring and the spiral spring are clamped between the sliding cutter and the tape pressing member, and the return spring and the spiral spring are used for applying force in a direction of separating the cutter and the tape pressing member.

As another example, the chinese application publication No. CN1129175A describes a cutting mechanism for a printing apparatus in which one of a cutter and an anvil is mounted for rolling movement one relative to the other so as to cut through a print ribbon when subjected to the rolling movement; in addition, the cutting mechanism can be operated with a handle that is flush with the printer housing and that is operated outside the housing, the cutting mechanism thus being compact and convenient to use, but with a low degree of automation.

The above prior art regarding cutting or shearing mechanisms/devices, although solving different problems to different extents, do not realize automation of the conversion between full-cutting and half-cutting operations on the basis of simplification of structure and energy saving.

SUMMERY OF THE UTILITY MODEL

The utility model provides a cutting mechanism and a printing device using the same, which can solve one or more of the technical problems.

The cutting mechanism of the utility model comprises a cutting mechanism bracket;

the cutting mechanism comprises a cutting mechanism support, a cutting member and a cutting mechanism, wherein the cutting member is arranged on the cutting mechanism support and comprises a full-cutting assembly and a half-cutting assembly, the full-cutting assembly is used for performing full-cutting operation on consumables, and the half-cutting assembly is used for performing half-cutting operation on the consumables;

the shearing power part is in transmission connection with the shearing transmission part, the shearing transmission part is movably connected with the shearing part, and the shearing transmission part drives the full-cutting assembly or the half-cutting assembly;

the device comprises a signal sensor and a control center, wherein the signal sensor is connected with the control center, the control center is connected with a shearing power part, and the signal sensor is used for judging the conversion between full-cutting operation and half-cutting operation.

Through adopting above-mentioned technical scheme, cut the subassembly entirely and cut the subassembly sharing shearing power spare and shear transmission spare with half, simplified the structure greatly, reduced the loaded down with trivial details degree of operation to cutting mechanism has been realized cutting entirely and has been cut the automation half.

In some embodiments, the shear transmission member includes a shear pushing gear, and the shear pushing gear is provided with a first swing link and a second swing link, and the first swing link and the second swing link are respectively matched with the full-cutting assembly and the half-cutting assembly.

By adopting the technical scheme, the first swing rod is matched with the full-cutting assembly to realize full-cutting operation, and the second swing rod is matched with the half-cutting assembly to realize half-cutting operation.

In some embodiments, the full-cutting assembly comprises a full-cutting blade, a full-cutting static blade and a full-cutting elastic member, the full-cutting blade and the full-cutting static blade are installed on the cutting mechanism bracket in a unified supporting point mode, the full-cutting static blade is fixed on the cutting mechanism bracket, the first swing rod stirs the full-cutting blade to rotate around the supporting point, one end of the full-cutting elastic member is connected with the full-cutting blade, and the other end of the full-cutting elastic member is connected with the cutting mechanism bracket.

By adopting the technical scheme, the full-cutting operation is realized.

In some embodiments, the full-cutting blade is provided with a sliding groove, the cutting mechanism support is provided with a limiting column at a corresponding position of the sliding groove, one end of the limiting column is fixed on the cutting mechanism support, and the other end of the limiting column is located in the sliding groove.

By adopting the technical scheme, the excessive movement of the full-cutting blade is limited.

In some embodiments, the half-cutting assembly comprises a half-cutting support and a half-cutting fulcrum shaft, the half-cutting support is provided with a half-cutting chopping block and a half-cutting push frame, the half-cutting push frame is provided with a half-cutting blade assembly, the half-cutting fulcrum shaft horizontally penetrates through the half-cutting support and the half-cutting push frame, the half-cutting push frame moves close to or away from the half-cutting chopping block along the axial direction of the half-cutting fulcrum shaft on the half-cutting support, the half-cutting fulcrum shaft is sleeved with a half-cutting spring, one end of the half-cutting spring is abutted against the half-cutting push frame, and the other end of the half-cutting spring is abutted against the half-cutting support.

By adopting the technical scheme, the half-cutting operation can be realized when the second swing rod pushes the half-cutting push frame.

In some embodiments, the half-cutting blade assembly includes a blade holder, the blade holder is provided with a half-cutting blade and a blade spring, the blade holder is further provided with an upper protruding piece and a lower protruding piece, the half-cutting blade is clamped between the upper protruding piece and the lower protruding piece, the lower protruding piece is provided with a transverse shaft, one end of the blade spring is connected with the upper protruding piece, the other end of the blade spring is wound on the transverse shaft after being arranged along the blade edge portion of the half-cutting blade and is inserted into the first middle hole of the half-cutting blade, and the blade spring protrudes out of the half-cutting blade in the direction of the half-cutting chopping board.

Through adopting above-mentioned technical scheme, prevent that the consumptive material from gluing on half cutting blade.

In some embodiments, the shear push gear provides a wall piece at a corresponding location of the signal sensor.

By adopting the technical scheme, the wall sheet can be used for blocking a signal path of the signal sensor.

Compared with the prior art, the cutting mechanism provided by the utility model has the advantages that the structure is greatly simplified, the complexity of operation is reduced, and the full-cutting and half-cutting automation of the cutting mechanism is realized.

The utility model also provides a printing device, which comprises a machine core bracket and the cutting mechanism, wherein the machine core bracket is provided with a printing head assembly and a printing head adjusting mechanism, the printing head assembly comprises a printing head bracket, a printing head and a printing rubber roller, the printing head bracket is rotatably arranged on the machine core bracket, the printing head is arranged at one end of the printing head bracket and moves along with the printing head bracket, and the printing head adjusting mechanism is matched with the printing head bracket to adjust the distance between the printing head and the printing rubber roller.

By adopting the technical scheme, the consumable is tightly attached to the printing head and the printing rubber roller, and the printing quality is improved.

In some embodiments, the print head adjusting mechanism includes an upper rotary key, a lower rotary key, a rotary key center and a center pressing plate, the rotary key center is respectively sleeved with the upper rotary key and the lower rotary key, the center pressing plate is sleeved outside the rotary key center, and a handle for pushing the print head support to rotate is arranged on the outer side wall of the lower rotary key.

By adopting the technical scheme, the printing head adjusting mechanism is arranged on the middle shell through the central rotating pressing plate, the upper rotating key is rotated, the upper rotating key drives the rotating key central rotating, the lower rotating key is driven by the rotating key central rotating, and the pushing arm on the lower rotating key pushes the printing head support, so that the printing head is close to or far away from the printing rubber roller.

In some embodiments, one end of the print head bracket close to the print head is connected with the movement bracket through a first tension spring, and one end of the print head bracket close to the print head adjusting mechanism is connected with the movement bracket through a second tension spring.

Through adopting above-mentioned technical scheme, first extension spring and second extension spring help to beat printer head support and reset.

In some embodiments, the printing head support is further provided with a runway type second middle hole at one end close to the printing head, the movement support is provided with a press riveting column at a corresponding position of the second middle hole, the press riveting column is sleeved with a gasket, and the press riveting column is located in the second middle hole.

By adopting the technical scheme, the swinging of the printing head bracket can be corrected, so that the printing head is flush with the printing rubber roller.

In some embodiments, the printing device of the present invention further includes a feeding mechanism, the feeding mechanism includes a feeding rubber roller, a feeding pull rod and a feeding push rod, the feeding pull rod is rotatably mounted on the core support, the feeding roller is located at one end of the feeding pull rod and moves along with the feeding pull rod, the feeding push rod is connected to the other end of the feeding pull rod, and the feeding push rod cooperates with the feeding pull rod to adjust the distance between the feeding roller and the feeding rubber roller.

Through adopting above-mentioned technical scheme, make the consumptive material pass through more easily.

In some embodiments, the feeding push rod is connected with the feeding pull rod through a third tension spring, a fourth tension spring is further arranged at one end of the feeding pull rod close to the feeding push rod, one end of the fourth tension spring is connected with the feeding pull rod, and the other end of the fourth tension spring is connected with the movement bracket.

By adopting the technical scheme, the third tension spring is used for pulling the feeding pull rod, so that the distance between the feeding roller and the feeding rubber roller is adjusted, and the fourth tension spring helps the feeding pull rod to reset.

In some embodiments, the feeding push rod comprises a fixed shaft and a push rod, the feeding push rod is mounted on the movement bracket through the fixed shaft, the push rod rotates around the fixed shaft, and the third tension spring is connected with the push rod.

By adopting the technical scheme, when the feeding push rod rotates downwards, the third tension spring is driven, and then the feeding pull rod is pulled.

In some embodiments, the printing apparatus further includes a material receiving mechanism, the material receiving mechanism includes a material receiving shaft and a material receiving sheet, the material receiving shaft is sleeved with a speed measuring gear and a material receiving anti-returning sheet, the material receiving anti-returning sheet is located at the top of the speed measuring gear, the material receiving anti-returning sheet includes a disk portion, a groove is formed in the top of the disk portion, a through hole for the material receiving shaft to pass through is formed in the groove, an annular gear portion is formed in the bottom of the disk portion, one end of the material receiving sheet abuts against the annular gear portion, and the other end of the material receiving sheet is connected with a vertical shaft at the top of the speed measuring gear.

By adopting the technical scheme, the rewinding in the carbon ribbon recovery process is prevented, and the performance is improved.

In some embodiments, an annular wall is arranged in the groove, the annular wall divides the groove into an inner groove and an outer groove, a gap is arranged on the annular wall along the vertical direction, a material receiving spring is arranged in the inner groove, the material receiving spring is sleeved on the material receiving shaft, and one end of the material receiving spring is clamped in the gap.

In some embodiments, the side wall of the upper end of the speed measuring gear is provided with a plurality of blades at equal intervals, the movement bracket is provided with the optical coupling inductor, and when the speed measuring gear rotates, the blades block an optical path of the optical coupling inductor.

By adopting the technical scheme, the purpose of speed measurement is achieved.

Compared with the prior art, the printing device has the following beneficial effects:

1. by arranging the printing head adjusting mechanism, the consumable materials can be tightly attached to the printing head and the printing rubber roller, so that the printing quality is improved;

2. the runway-type second middle hole is formed in the printing head support, and the second middle hole is matched with the pressure riveting column, so that the swinging of the printing head support can be corrected, and the printing head is flush with the printing rubber roller;

3. the distance between the feeding roller and the feeding rubber roller is adjusted by matching the feeding pull rod and the feeding push rod, so that consumables can pass through more easily;

4. the material receiving sheet is matched with the material receiving anti-return sheet, so that the carbon belt can be prevented from being rewound in the recovery process;

5. through setting up the opto-coupler inductor, can measure the speed.

Drawings

FIG. 1 is a schematic view of the cutting mechanism of the present invention;

FIG. 2 is an exploded view of the cutting mechanism of the present invention;

FIG. 3 is a schematic view of another aspect of the cutting mechanism of the present invention;

FIG. 4 is a schematic view of the half-cut assembly of the cutting mechanism of the present invention;

FIG. 5 is a schematic view of a half-cut blade assembly of the cutting mechanism of the present invention;

FIG. 6 is a schematic diagram of a printing apparatus according to the present invention;

FIG. 7 is an exploded view of the printing apparatus of the present invention;

FIG. 8 is a schematic view of another perspective of an exploded view of the printing apparatus of the present invention;

fig. 9 is a schematic structural diagram of a movement assembly of the printing apparatus of the present invention;

FIG. 10 is a top view of FIG. 9;

fig. 11 is a schematic structural view of the bottom of a movement bracket of the printing device of the present invention;

FIG. 12 is a schematic view of a printhead adjustment mechanism of the printing apparatus of the present invention;

fig. 13 is a schematic structural view of a material receiving mechanism of the printing apparatus of the present invention.

Detailed Description

In order to facilitate the understanding of the present invention for those skilled in the art, the present invention will be further described with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model.

Fig. 1 to 5 schematically show a cutting mechanism of the present invention.

As shown in fig. 1 to 5, the cutting mechanism 200 of the present invention includes a cutting mechanism support 1, and the cutting mechanism support 1 is used to support the cutting mechanism for stable operation. The cutting mechanism bracket 1 is provided with a cutting part 2, a cutting power part 3 and a cutting transmission part 5. Wherein the cutting member 2 is used for cutting the consumable. The cutter 2 includes a full-cut assembly 21 and a half-cut assembly 22. The shearing power part 3 is in transmission connection with the shearing transmission part 5, and the shearing transmission part 5 is movably connected with the shearing part 2. The shear power member 3 provides the operating power for the full-cut operation and the half-cut operation of the shear member 2 through the shear transmission member 5, namely: the full-cut assembly 21 and the half-cut assembly 22 share a common shear power member 3 and shear drive member 5. Preferably, the shearing power member 3 is an electric motor. The cutting mechanism of the utility model further comprises a signal sensor 4, the signal sensor 4 is connected with a control center (not shown in the figure), and the control center is connected with the shearing power part 3. The signal sensor 4 is used for judging the conversion between the full-cutting operation and the half-cutting operation and transmitting a signal to the control center, and the control center controls the shearing power part 3. Preferably, the signal sensor 4 is an optical signal sensor.

Wherein the shear drive 5 comprises a shear push gear 51 and a plurality of shear drive gears 52. The plurality of shear drive gears 52 are sequentially meshed. Two of the plurality of shear driving gears 52 are installed at an output end of the shear power member 3, and the other is engaged with the shear pushing gear 51. This achieves that the shearing drive 3 carries the shearing thrust gear 51 along. The shearing pushing gear 51 is provided with a first swing rod 511 and a second swing rod 512, and the first swing rod 511 and the second swing rod 512 are respectively matched with the full-cutting assembly 21 and the half-cutting assembly 22 so as to respectively realize full-cutting operation and half-cutting operation. Further, a wall piece 513 is further disposed at a position corresponding to the signal sensor 4 on the outer periphery of the shearing pushing gear 51, and a long-strip-shaped notch 5131 is disposed on the wall piece 513, and the notch 5131 divides the wall piece 513 into two parts. When the cutting pushing gear 51 rotates, the signal sensor 4 senses light or shields light to achieve the judgment of the conversion between the full cutting operation and the half cutting operation.

The full-cutting assembly 21 is used for completely cutting off consumables and comprises a full-cutting blade 211, a full-cutting static blade 212 and a full-cutting elastic member 213. Wherein, the full-cutting movable blade 211 and the full-cutting static blade 212 are installed on the cutting mechanism bracket 1 in a manner of unifying the fulcrum 214. The full cut stationary blade 212 is a stationary blade. The full-cutting movable blade 211 is a movable blade capable of rotating around a fulcrum 214, and is rotated by being toggled by a first swing link 511 on the shearing pushing gear 51. Full cutting blade 211 includes a handle 2110 and a blade 2111, with the angle between handle 2110 and blade 2111 being about 45 degrees. The full-cutting blade 211 is provided with a sliding groove 2112 at a position close to an included angle between the tool holder 2110 and the blade 2111. The cutting mechanism bracket 1 is provided with a limiting column 215 at a corresponding position of the sliding groove 2112, one end of the limiting column 215 is fixed on the cutting mechanism bracket 1, and the other end is positioned in the sliding groove 2112. The limiting post 215 limits the excessive movement of the full-cutting blade 211 when the full-cutting blade 211 rotates around the fulcrum 214. Preferably, the restraining post 215 is a rivet. The full-cut elastic member 213 extends in the vertical direction, and has one end connected to the full-cut blade 211 and the other end connected to the cutting mechanism holder 1. The full cut elastic member 213 is preferably a spring. When the cut is complete, the full cut spring may assist in restoring the full cut blade 211.

The half-cut assembly 22 is used to incompletely sever the consumable and includes a half-cut holder 220 and a half-cut fulcrum 221. The half-cutting support 220 is provided with a half-cutting anvil 222 and a half-cutting push frame 223, and the half-cutting push frame 223 is provided with a half-cutting blade assembly 224. Half-cut anvil 222 cooperates with half-cut blade assembly 224 to effect a half-cut operation. The half-cutting fulcrum 221 is horizontally inserted on the half-cutting bracket 220 and the half-cutting push frame 223, and the half-cutting push frame 223 is matched with the second swing rod 512 on the shearing push gear 51. The half-cut push frame 223 is pushed by the second swing link 512 to move on the half-cut frame 220 along the axial direction of the half-cut fulcrum 221 so as to approach or separate from the half-cut anvil plate 222. When the half-cut push frame 223 is close to the half-cut anvil 222, the half-cut blade assembly 224 is engaged with the half-cut anvil 222 to perform the half-cut operation. Preferably, the half-cut support shaft 221 is fitted with a half-cut spring 225, one end of the half-cut spring 225 abuts against the half-cut push frame 223, and the other end of the half-cut spring 225 abuts against the half-cut holder 220. The half cut spring 225 may assist the half cut pusher 223 in resetting after the half cut blade assembly 224 has completed cutting.

Half-cutting blade assembly 224 includes a blade support 2241 with a half-cutting blade 2242 and a blade spring 2243 disposed on blade support 2241. The blade support 2241 is provided with an upper protruding piece 2244 and a lower protruding piece 2245 at both upper and lower ends of the half cutting blade 2242, respectively, and the half cutting blade 2242 is snap-fitted between the upper protruding piece 2244 and the lower protruding piece 2245. The lower protruding piece 2245 is provided with a transverse shaft 2246, one end of the blade spring 2243 is connected with the upper protruding piece 2244, and the other end of the blade spring 2243 is arranged along the blade part of the half-cutting blade 2242 and then wound on the transverse shaft 2246 and inserted into the first middle hole 2247 of the half-cutting blade 2242. Preferably, blade spring 2243 protrudes from half-cutting blade 2242 in the direction of half-cutting anvil 222, which is arranged to: when half-cut blade 2242 cuts the consumptive material, blade spring 2243 can support the consumptive material and press on half-cut chopping block 222, and the back is accomplished in the cutting, and blade spring 2243 can outwards pop out the consumptive material that glues on the blade under the effect of restoring force to prevent that the consumptive material from gluing on half-cut blade 2242.

In use, the signal path between the light signal emitting end and the light signal receiving end of the signal sensor 4 is in an initial conducting state at the position of the notch 5131 of the wall sheet 513.

When the consumable is needed to be half-cut, the user controls the cutting power member 3 to drive the cutting pushing gear 51 of the cutting transmission member 5 to rotate counterclockwise (refer to fig. 1 and 3) through the control center. At this time, the wall piece 513 on the shear push gear 51 shields light, and blocks the signal path of the signal sensor 4. The second swing link 512 on the shearing pushing gear 51 pushes the half-cutting pushing frame 223, and the half-cutting pushing frame 223 drives the half-cutting blade 2242 to move towards the half-cutting chopping board 222, so that the half-cutting operation is realized. After the half-cutting operation is finished, the control center controls the cutting power part 3 to drive the cutting pushing gear 51 of the cutting transmission part 5 to rotate clockwise until the signal path of the signal sensor 4 returns to the initial conduction state again, the signal sensor 4 senses light and transmits the signal to the control center, and the control center controls the cutting power part 3 to stop working. At this time, the user may continue the next half-cut operation on the consumable or switch to a full-cut operation on the consumable.

When the consumable is required to be completely cut, the user controls the cutting power member 3 to drive the cutting pushing gear 51 of the cutting transmission member 5 to rotate clockwise (refer to fig. 1 and 3) through the control center. At this time, the wall piece 513 on the shear push gear 51 shields light, and blocks the signal path of the signal sensor 4. The first swing link 511 on the shearing pushing gear 51 pushes the handle 2110 of the full-cutting movable blade 211, and the full-cutting movable blade 211 rotates around the fulcrum 214 and approaches the full-cutting static blade 212, so that full-cutting operation is realized. After the full-cutting operation is finished, the control center controls the cutting pushing gear 51 to rotate anticlockwise until the signal path of the signal sensor 4 returns to the initial conduction state again, the signal sensor 4 senses light and transmits a signal to the control center, and the control center controls the cutting power part 3 to stop working. At this time, the user may continue the next full cutting operation on the consumable or switch to half cutting operation on the consumable.

The full-cutting assembly 21 and the half-cutting assembly 22 share one cutting power part 3 and one cutting transmission part 5, so that the structure is greatly simplified, the complexity of operation is reduced, and the full-cutting and half-cutting automation of a cutting mechanism is realized.

In another aspect, the present invention provides a printing apparatus including a cutting mechanism 200 employing the above.

As shown in fig. 6-13, the printing apparatus of the present invention includes a housing 6. Wherein the housing 6 includes an upper housing 61, a middle housing 62, and a lower housing 63. The upper case 61 is mainly used to protect the consumables from damage caused by external impact, the middle case 62 is mainly used to fix the movement 7, and the lower case 63 is used to support the whole printing device. The design of the shell greatly simplifies the assembly of the whole machine and is convenient for later equipment maintenance.

The movement 7 includes a movement support 71 and a movement assembly, and the movement assembly is disposed on the movement support 71. The core assembly comprises a printing head assembly 8, a printing head adjusting mechanism 9, a core power assembly 12, a feeding mechanism 10 and a receiving mechanism 11.

The printhead assembly 8 includes, among other things, a printhead carriage 80, a printhead 81, and a print roller 82. The print head holder 80 is rotatably mounted on the bottom of the deck holder 71, and the print head 81 is disposed at one end of the print head holder 80. The movement holder 71 is perforated at a corresponding position of the print head 81, in which the print head 81 can move with the print head holder 80. The printing head adjusting mechanism 9 and the printing head support 80 are matched to adjust the distance between the printing head 81 and the printing rubber roller 82, so that the consumable materials are tightly attached to the printing head 81 and the printing rubber roller 82, and the printing quality is improved. The print head adjusting mechanism 9 includes an up-rotation key 91, a down-rotation key 92, a rotation key center 93, and a center pressing plate 94. The rotary key center 93 is respectively sleeved with the upper rotary key 91 and the lower rotary key 92, and the center pressing plate 94 is sleeved outside the rotary key center 93. The print head adjusting mechanism 9 is mounted on the middle housing 62 through a central pressing plate 94, and a pushing arm 921 for pushing the print head holder 80 to rotate is provided on an outer side wall of the lower rotary key 92. The upper rotating key 91 is screwed, the upper rotating key 91 drives the rotating key center 93, the rotating key center 93 drives the lower rotating key 92, and the pushing arm 921 on the lower rotating key 92 pushes the printing head support 80, so that the printing head 81 is close to or far away from the printing rubber roller 82. Preferably, one end of the print head bracket 80 close to the print head 81 is connected to the movement bracket 71 through a first tension spring 95, and one end of the print head bracket 80 close to the print head adjusting mechanism 9 is connected to the movement bracket 71 through a second tension spring (not shown in the figure). The first 95 and second 95 tension springs are used to assist in resetting the printhead carriage 80. Further, a second middle hole 97 is further formed in one end, close to the printing head 81, of the printing head support 80, the second middle hole 97 is in a runway shape, a press riveting column 98 is arranged at the corresponding position of the second middle hole 97 of the movement support 71, a gasket is sleeved outside the press riveting column 98, and the press riveting column 98 is located in the second middle hole 97, so that the swinging of the printing head support 80 is corrected, the printing head 81 is flush with the printing rubber roller 82, and the problem that the printing head 81 is uneven in stress is solved. Preferably, a heat sink 83 is disposed on a side of the print head 81 away from the print roller 82, and the heat sink 83 is attached to the print head 81 by a heat sink adhesive and connected to the print head bracket 80 by screws for dissipating heat generated by the print head 81 during operation.

The printing apparatus of the present invention further comprises a feeding mechanism 10. The feeding mechanism 10 includes a feeding rubber roller 100, a feeding roller 101, a feeding pull rod 102 and a feeding push rod 103. The feed pull rod 102 is substantially U-shaped and rotatably mounted on the top of the deck bracket 71. The feeding roller 101 is arranged at one end of the feeding pull rod 102 and moves along with the feeding pull rod 102, and the other end of the feeding push rod 103 close to the feeding pull rod 102 is arranged on the machine core bracket 71. The feeding push rod 103 comprises a fixed shaft 1030 and a push rod 1031, the feeding push rod 103 is installed on the movement bracket 71 through the fixed shaft 1030, and the push rod 1031 rotates around the fixed shaft 1030. The feeding push rod 103 is connected with the feeding pull rod 102 through a third tension spring 104. One end of the third tension spring 104 is connected to the push rod 1031, and the other end is connected to the feed link 102. The feed push rod 103 pulls the feed pull rod 102 by the third tension spring 104. Specifically, when the upper housing 61 is opened, the edge of the upper housing 61 touches the push rod 1031 of the feed push rod 103 to rotate in the direction toward the lower housing 63, and the push rod 1031 pulls the third tension spring 104, which in turn pulls the feed pull rod 102, thereby adjusting the distance between the feed roller 101 on the feed pull rod 102 and the feed rubber roller 100, and thus allowing the consumables to pass through and advance more easily. A fourth tension spring 105 is further arranged at one end of the feed pull rod 102 close to the feed push rod 103, one end of the fourth tension spring 105 is connected with the feed pull rod 102, and the other end of the fourth tension spring 105 is connected with the movement bracket 71. The fourth tension spring 105 is used to assist in resetting the feed link 102.

The printing device further comprises a material receiving mechanism 11, and the material receiving mechanism 11 is arranged at the top of the machine core support 71. The receiving mechanism 11 comprises a receiving shaft 110 and a receiving sheet 111, a speed measuring gear 112 and a receiving anti-returning sheet 113 are sleeved outside the receiving shaft 110, and the receiving anti-returning sheet 113 is located at the top of the speed measuring gear 112. The material receiving and returning preventing piece 113 comprises a disc part 1130, a groove 1132 is arranged at the top of the disc part 1130, a through hole and an annular wall 1133 for the material receiving shaft 110 to pass through are arranged in the groove 1132, and the annular wall 1133 is higher than the disc part 1130. An annular wall 1133 divides groove 1132 into an inner groove 1134 and an outer groove 1135, with the through-holes located on the inner groove 1134. The annular wall 1133 is provided with a slit 1136 along the vertical direction. The material receiving spring 114 is arranged in the inner groove 1134, the material receiving spring 114 is sleeved on the material receiving shaft 110, one end of the material receiving spring 114 is clamped in the gap 1136, and the purpose of tightly receiving the carbon ribbon without breaking the carbon ribbon can be achieved by using the material receiving spring 114. An annular gear portion 1131 is provided at the bottom of the disk portion 1130. The material collecting sheet 111 is a crescent-shaped long sheet. One end of the material receiving sheet 111 abuts against the ring-shaped gear portion 1131, and the other end of the material receiving sheet 111 is provided with a shaft hole 1110, and the shaft hole 1110 is matched with the vertical shaft 1120 at the top of the speed measuring gear 112. The speed measuring gear 112 drives the material collecting shaft 110 to collect the used carbon tape. The receiving mechanism can prevent the carbon ribbon from rewinding in the recovery process by arranging the receiving anti-return sheet 113 and the receiving sheet 111, so that the performance is improved. Preferably, a plurality of blades 1121 are equidistantly arranged on the side wall of the upper end of the speed measuring gear 112, and the optical coupling inductor 115 is arranged at the corresponding position of the blade 1121 on the movement bracket 71. When the speed measuring gear 112 rotates, the blade 1121 blocks the optical path of the optical coupling sensor 115, and the optical coupling sensor 115 senses the speed to measure the speed.

The printing device further comprises a movement power assembly 12, wherein the movement power assembly 12 is arranged on the movement bracket 71, and the movement power assembly 12 comprises a movement power part 120 and a movement transmission system 121. The movement power part 120 is arranged at the bottom of the movement bracket 71, and the movement transmission system 121 is positioned at the top of the movement bracket 71. The movement transmission system 121 comprises a primary gear 122, a material receiving transmission gear train and a material feeding transmission gear train. The first-stage gear 122 is sleeved on an output shaft of the motor, and the material receiving transmission gear train and the material feeding transmission gear train are both meshed with the first-stage gear 122. The material receiving transmission gear train comprises a material receiving secondary gear 123 and a material receiving tertiary gear 124. The material receiving secondary gear 123 is meshed with the primary gear 122 and the material receiving tertiary gear 124 respectively, and the material receiving tertiary gear 124 is meshed with the speed measuring gear 112. The speed measuring gear 112 drives the material receiving shaft 110 to rotate. The feeding transmission gear train comprises a feeding secondary gear 125, a feeding tertiary gear 126, a feeding quaternary gear 127 and a feeding quinary gear 128 which are meshed in sequence. The feeding five-stage gear 128 comprises a gear part and a rubber roll shaft part, and the feeding rubber roll 100 is sleeved on the rubber roll shaft of the five-stage gear due to the elasticity of the feeding rubber roll. In addition, the feed fifth gear 128 is also meshed 129 with a print sixth gear, which is meshed 130 with a print seventh gear. The printing seventh gear 130 also includes a gear portion and a roller shaft portion as does the feeding fifth gear 128. The printing rubber roller 82 is sleeved on the rubber roller shaft of the printing seven-stage gear 130 due to the elasticity of the printing rubber roller. Except for the first-stage gear 122, other gears are all sleeved on a middle shaft riveted on the core support 71, and a clamping shell with the overall diameter larger than the transverse diameter of the middle shaft is arranged on the middle shaft to prevent the gears from loosening.

Furthermore, it should be noted that, unless otherwise specified, the terms "first", "second", "third", etc. in the description are only used for distinguishing various components, elements, steps, etc. in the description, and are not used for indicating logical relationships or sequential relationships among the various components, elements, steps, etc. in the description of the present invention, the terms "upper", "lower", "vertical", "horizontal", "vertical", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only used for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus cannot be understood as limiting the present invention.

What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the utility model.

Claims (17)

1. A cutting mechanism, comprising:

a cutting mechanism support;

the cutting mechanism comprises a cutting mechanism support, a cutting member and a cutting mechanism, wherein the cutting member is arranged on the cutting mechanism support and comprises a full-cutting assembly and a half-cutting assembly, the full-cutting assembly is used for performing full-cutting operation on consumables, and the half-cutting assembly is used for performing half-cutting operation on the consumables;

the shearing power part is in transmission connection with the shearing transmission part, the shearing transmission part is movably connected with the shearing part, and the shearing transmission part drives the full-cutting component or the half-cutting component;

the signal sensor is connected with the control center, the control center is connected with the shearing power part, and the signal sensor is used for judging the conversion between full-cutting operation and half-cutting operation.

2. The cutting mechanism as claimed in claim 1, wherein the shear drive comprises a shear pushing gear, and a first swing link and a second swing link are disposed on the shear pushing gear, and the first swing link and the second swing link are respectively engaged with the full cutting assembly and the half cutting assembly.

3. The cutting mechanism according to claim 2, wherein the full-cutting assembly comprises a full-cutting blade, a full-cutting static blade and a full-cutting elastic member, the full-cutting blade and the full-cutting static blade are mounted on the cutting mechanism bracket at a unified pivot point, the full-cutting static blade is fixed on the cutting mechanism bracket, the first swing rod pulls the full-cutting blade to rotate around the pivot point, one end of the full-cutting elastic member is connected with the full-cutting blade, and the other end of the full-cutting elastic member is connected with the cutting mechanism bracket.

4. The cutting mechanism according to claim 3, wherein a sliding groove is formed in the full-cutting blade, a limiting column is arranged at a corresponding position of the sliding groove on the cutting mechanism support, one end of the limiting column is fixed on the cutting mechanism support, and the other end of the limiting column is located in the sliding groove.

5. The cutting mechanism according to claim 2, wherein the half-cutting assembly comprises a half-cutting support and a half-cutting support, the half-cutting support is provided with a half-cutting chopping block and a half-cutting push frame, the half-cutting push frame is provided with a half-cutting blade assembly, the half-cutting support horizontally penetrates through the half-cutting support and the half-cutting push frame, the half-cutting push frame is close to or far away from the half-cutting chopping block along the axial movement of the half-cutting support, the half-cutting support is sleeved with a half-cutting spring, one end of the half-cutting spring abuts against the half-cutting push frame, and the other end of the half-cutting spring abuts against the half-cutting support.

6. The cutting mechanism as claimed in claim 5, wherein the half-cutting blade assembly comprises a blade holder, the blade holder is provided with a half-cutting blade and a blade spring, the blade holder is further provided with an upper protruding piece and a lower protruding piece, the half-cutting blade is clamped between the upper protruding piece and the lower protruding piece, the lower protruding piece is provided with a transverse shaft, one end of the blade spring is connected with the upper protruding piece, the other end of the blade spring is arranged along the blade edge part of the half-cutting blade, then wound on the transverse shaft and inserted into the first central hole of the half-cutting blade, and the blade spring protrudes out of the half-cutting blade towards the half-cutting anvil plate.

7. The cutting mechanism of claim 2, wherein the shear push gear provides a wall segment at a corresponding location of the signal sensor.

8. A printing device is characterized by comprising a machine core bracket and the cutting mechanism as claimed in any one of claims 1 to 7, wherein a printing head assembly and a printing head adjusting mechanism are arranged on the machine core bracket, the printing head assembly comprises a printing head bracket, a printing head and a printing rubber roller, the printing head bracket is rotatably arranged on the machine core bracket, the printing head is arranged at one end of the printing head bracket and moves along with the printing head bracket, and the printing head adjusting mechanism is matched with the printing head bracket to adjust the distance between the printing head and the printing rubber roller.

9. The printing apparatus according to claim 8, wherein the print head adjusting mechanism includes an upper rotary key, a lower rotary key, a rotary key center and a center pressing plate, the rotary key center is respectively sleeved with the upper rotary key and the lower rotary key, the center pressing plate is sleeved outside the rotary key center, and a pushing arm for pushing the print head bracket to rotate is disposed on an outer side wall of the lower rotary key.

10. The printing device according to claim 8 or 9, wherein one end of the print head bracket close to the print head is connected with the movement bracket through a first tension spring, and one end of the print head bracket close to the print head adjusting mechanism is connected with the movement bracket through a second tension spring.

11. The printing device according to claim 8 or 9, wherein the print head support is further provided with a runway-type second central hole at one end close to the print head, the movement support is provided with a rivet pressing column at a corresponding position of the second central hole, the rivet pressing column is sleeved with a gasket, and the rivet pressing column is located in the second central hole.

12. The printing device according to claim 8 or 9, further comprising a feeding mechanism, wherein the feeding mechanism comprises a feeding rubber roller, a feeding pull rod and a feeding push rod, the feeding pull rod is rotatably mounted on the movement bracket, the feeding roller is located at one end of the feeding pull rod and moves along with the feeding pull rod, the feeding push rod is connected with the other end of the feeding pull rod, and the feeding push rod is matched with the feeding pull rod to adjust the distance between the feeding roller and the feeding rubber roller.

13. The printing device according to claim 12, wherein the feeding push rod is connected to the feeding pull rod through a third tension spring, a fourth tension spring is further disposed at one end of the feeding pull rod close to the feeding push rod, one end of the fourth tension spring is connected to the feeding pull rod, and the other end of the fourth tension spring is connected to the movement bracket.

14. The printing device according to claim 13, wherein the feeding push rod comprises a fixed shaft and a push rod, the feeding push rod is mounted on the movement bracket through the fixed shaft, the push rod rotates around the fixed shaft, and the third tension spring is connected with the push rod.

15. The printing device according to claim 8 or 9, further comprising a material receiving mechanism, wherein the material receiving mechanism comprises a material receiving shaft and a material receiving sheet, a speed measuring gear and a material receiving anti-returning sheet are sleeved outside the material receiving shaft, the material receiving anti-returning sheet is located at the top of the speed measuring gear, the material receiving anti-returning sheet comprises a disc portion, a groove is formed in the top of the disc portion, a through hole for the material receiving shaft to pass through is formed in the groove, an annular gear portion is arranged at the bottom of the disc portion, one end of the material receiving sheet abuts against the annular gear portion, and the other end of the material receiving sheet is connected with a vertical shaft at the top of the speed measuring gear.

16. The printing apparatus of claim 15, wherein an annular wall is disposed in the groove, the annular wall divides the groove into an inner groove and an outer groove, a gap is disposed in the annular wall along a vertical direction, a material receiving spring is disposed in the inner groove, the material receiving spring is sleeved on the material receiving shaft, and one end of the material receiving spring is clamped in the gap.

17. The printing device according to claim 15, wherein a plurality of blades are equidistantly arranged on a side wall of an upper end of the speed measuring gear, the optical coupling sensor is arranged on the movement support, and when the speed measuring gear rotates, the blades block an optical path of the optical coupling sensor.

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