CN103538373A - Thermal print head component installation structure and thermal printer with same - Google Patents

Thermal print head component installation structure and thermal printer with same Download PDF

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Publication number
CN103538373A
CN103538373A CN201310537623.8A CN201310537623A CN103538373A CN 103538373 A CN103538373 A CN 103538373A CN 201310537623 A CN201310537623 A CN 201310537623A CN 103538373 A CN103538373 A CN 103538373A
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China
Prior art keywords
print head
groove
draw
pedestal
spanner
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CN201310537623.8A
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Chinese (zh)
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CN103538373B (en
Inventor
蒋文柏
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NINGBO JINGXIN SCIENCE AND TECHNOLOGY Co Ltd
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NINGBO JINGXIN SCIENCE AND TECHNOLOGY Co Ltd
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Abstract

The invention discloses a thermal print head component installation structure which comprises a base frame and a thermal print head component arranged on the base frame. The thermal print head component comprises a thermal print head, a thermal print head support, a compressed spring and a compressed spring supporting frame, wherein the thermal print head is arranged on the thermal print head support. The thermal print head component installation structure is characterized in that a sliding groove with an upward opening is formed in one side of the base frame, one end of a spanner and one side of the base frame are rotatably arranged, the other end of the spanner is a free end, a clamping groove is formed in the inner side face of the spanner, the clamping groove is provided with a first clamping position and a second clamping position, a sliding portion is arranged on one side of the thermal print head support in a transverse extending mode, the sliding portion is located in the sliding groove, and the outer end portion of the sliding portion is clamped into the clamping groove. The invention further discloses a thermal printer. When loading or correction processing is conducted on print paper, a user only needs to pull the spanner gently, and then the thermal print head support is separated from a rubber covered roller; after processing, the spanner is recovered into the original state, and the thermal print head support is close to the rubber cover roller. The thermal print head component installation structure is simple in overall structure and convenient and fast to operate.

Description

Print head assembly mounting structure and application have the thermal printer cassette of this structure
Technical field
The present invention relates to a kind of print head assembly, the invention still further relates to a kind of thermal printer movement.
Background technology
Existing thermal printer generally comprises pedestal, motor, driving gear component, print head assembly and can be located at rotationally the rubber roll on pedestal, the active output gear engagement of the power intake of driving gear component and motor, clutch end and the rubber-covered roll gear engagement of being located at rubber roll end, rubber roll is used for driving printing paper to move, between rubber roll and print head assembly, there is paper feed channel, print head assembly generally comprises again that printhead (is called for short TPH, Thermal Print Head), printing head support part, stage clip and stage clip bracing frame, printhead is located on printing head support part, the two ends of pedestal are located at stage clip bracing frame two ends, stage clip two ends offset with printing head support part and stage clip bracing frame respectively, printhead just can be pressed in printing paper rubber roll surface like this.When printing paper packs into or corrects processing, generally by dismounting rubber roll, realize, and rubber roll two ends are generally provided with two bearings, have the groove arranging for bearing on pedestal, groove is semi-circular shape, duty lower bearing is positioned at groove all the time; In the time of need to going up paper, can easily rubber roll be communicated with to bearing and easily throw off in groove.But exist following not enough: bearing play amplitude in groove is larger, affects the normal operation of rubber roll.
For this reason, a kind of improved structure is disclosed in prior art, referenced patent number is the miniature heating agent printer engine of the Chinese utility model patent < < > > (Granted publication number is CN2725292Y) of ZL200520130017.5, open the door compressing tablet and return shell fragment in this patent, have been set up, pressure-acting by return shell fragment is in the compressing tablet that opens the door, thereby guarantee that rubber roll is stably positioned at locating slot, during upper paper, the pulling part of compressing tablet as long as operation is opened the door, overcome the pressure of return shell fragment, rubber roll just departs from locating slot naturally.Simple to operate, and prepare location, move smooth and easyly, but this structural entity structure is comparatively complicated, the compressing tablet that opens the door is unconventional parts, has improved technology difficulty and has increased manufacturing cost.
On this basis, the applicant has developed a kind of novel rubber roll demountable structure, see that the patent No. is the thermal printer > > (Granted publication number is CN202271666U) that the Chinese utility model patent < < frame of ZL201120357824.6 and rubber roll assembly structure and application have this assembly structure, bearing in this patent is located in the groove of pedestal by the jump ring of a special form system, make the assembling of rubber roll shirk easily quick, simultaneously, in use procedure, be subject to the effect bearing of elastic spacing portion hardly play can occur, guarantee the normal stable running of rubber roll.
Summary of the invention
Technical problem to be solved by this invention is for the above-mentioned state of the art, to provide a kind of rubber roll motionless and print head assembly mounting structure that the relative rubber roll of printing head support part can open.
Another technical problem to be solved by this invention is to provide a kind of printing paper and packs into or correct and process the convenient print head assembly mounting structure of processing.
Another technical problem to be solved by this invention is to provide the motionless and thermal printer that the relative rubber roll of printing head support part can open of a kind of rubber roll.
Another technical problem to be solved by this invention is to provide a kind of printing paper and packs into or correct and process the convenient thermal printer of processing.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of print head assembly mounting structure, comprise pedestal and be located at large print head assembly on pedestal, aforesaid print head assembly comprises printhead and printing head support part, aforesaid printhead is located on printing head support part, it is characterized in that described pedestal one side has the chute of an opening upwards, one spanner one end and pedestal one side can arrange rotationally, the other end is free end, the medial surface of this spanner forms a draw-in groove, this draw-in groove has the first locking position and second and locks position, described printing head support part one side is laterally extending a sliding part, this sliding position in chute and outer end be connected in aforesaid draw-in groove, aforesaid sliding part locks under the state of position in first of draw-in groove, described printhead is duty,
Pull the free end of aforementioned spanner, aforesaid sliding part departs from first and locks position and slide into second of draw-in groove and lock position, and described printing head support part drives printhead to move.
Further, a side of described pedestal forms a through hole, and one end of described spanner has a bearing pin portion, and this bearing pin portion can be located in aforesaid through hole rotationally.
For reducing the wearing and tearing of sliding part, on described sliding part, be arranged with a columned axle sleeve, this axle sleeve contacts with described chute inwall and draw-in groove inwall.
As preferably, described draw-in groove is V font, and described first locks position and second locks a two ends that lay respectively at draw-in groove.
Further, described print head assembly also comprises stage clip and stage clip bracing frame, aforementioned stage clip bracing frame two ends are located on pedestal, aforementioned stage clip two ends offset with printing head support part and stage clip bracing frame respectively, and the madial wall of described pedestal has vertical installation portion, and the front end face of this installation portion has protruding buckle wedge platform, accordingly, described stage clip bracing frame has the hole clipping with aforementioned buckle wedge platform adaptation, and described stage clip bracing frame is subject to stage clip effect and is close to installation portion.
A kind of thermal printer movement, comprise pedestal and be located at the motor on pedestal, driving gear component, print head assembly and rubber roll, the active output gear engagement of the power intake of aforementioned driving gear component and motor, clutch end and the rubber-covered roll gear engagement of being located at rubber roll end, aforementioned rubber roll two ends can be located at rotationally the aforesaid print head assembly in pedestal both sides and comprise printhead and printing head support part, aforesaid printhead is located on printing head support part, aforesaid printing head support part is near rubber roll setting, it is characterized in that described pedestal one side has the chute of an opening upwards, one spanner one end and pedestal one side can arrange rotationally, the other end is free end, the medial surface of this spanner forms a draw-in groove, this draw-in groove has the first locking position and second and locks position, described printing head support part one side is laterally extending a sliding part, this sliding position in chute and outer end be connected in aforesaid draw-in groove,
Aforesaid sliding part locks under the state of position in first of draw-in groove, and it is surperficial and in running order that described printhead is pressed in rubber roll by printing paper;
Pull the free end of aforementioned spanner, aforesaid sliding part departs from first and locks position and slide into second of draw-in groove and lock position, and described printing head support part drives printhead mobile compression press spring and away from rubber roll backward.
One side of described pedestal forms a through hole, and one end of described spanner has a bearing pin portion, and this bearing pin portion can be located in aforesaid through hole rotationally.In described bearing pin portion, be provided with groove, and one end of described rubber roll can be located in this groove rotationally.Spanner and rubber roll are also assembled into one like this, and structure display obtains compact.
Described spanner and driving gear component are located at respectively the both sides of pedestal.Be beneficial to overall weight balance.
Compared with prior art, the invention has the advantages that: printing paper packs into or corrects while processing, only need pull gently spanner, printing head support part just opens with rubber roll, and after being disposed, spanner restores to the original state, printing head support part is near rubber roll, overall structure is simple, convenient to operation, substitutes the traditional structure that original rubber roll moves.
Accompanying drawing explanation
Fig. 1 is example structure schematic diagram.
Fig. 2 is the decomposition installation diagram of Fig. 1.
Fig. 3 is the decomposition installation diagram at another visual angle of Fig. 1.
Fig. 4 is local state figure when spanner is opened in embodiment.
Fig. 5 is that embodiment is used state reference map.
Fig. 6 is another use state reference map of embodiment.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
As shown in Figure 1, Figure 2 and Figure 3, thermal printer movement in the present embodiment comprises pedestal 1 and is located at motor 5, driving gear component 7, flexible PCB 6, print head assembly 4 and the rubber roll 2 on pedestal 1, the active output gear engagement of the power intake of driving gear component 7 and motor 5, clutch end and the rubber roll 2 gear engagements of being located at rubber roll 2 ends, rubber roll 2 two ends can be located at pedestal 1 both sides rotationally, and flexible PCB 6 is connected with printhead 45 with motor respectively.
Print head assembly 4 comprises printhead 45, printing head support part 43, stage clip 42 and stage clip bracing frame 41, printhead 45 is located on printing head support part 43, the two ends of pedestal 1 are located at stage clip bracing frame 41 two ends, stage clip 42 two ends offset with printing head support part 43 and stage clip bracing frame 41 respectively, and printing head support part 43 arranges near rubber roll 2.
The madial wall of pedestal 1 has vertical installation portion 12, the front end face of this installation portion 12 has protruding buckle wedge platform 13, accordingly, stage clip bracing frame 41 has the hole clipping 411 with buckle wedge platform 13 adaptations, and, stage clip bracing frame 41 is subject to stage clip 42 effects and is close to installation portion 12, and design can make stage clip bracing frame be located completely like this.
Pedestal 1 one sides have the chute 11 of an opening upwards, and spanner 3 one end and pedestal 1 one sides can arrange rotationally, and the other end is free end, and the medial surface of this spanner 3 forms a draw-in groove 31, and this draw-in groove 31 has the first locking position 311 and first and locks position 312.Particularly, spanner 3 and driving gear component 7 are located at respectively the both sides of pedestal 1.Draw-in groove 31 is V font, and first locks position 311 and first locks the two ends that position 312 lays respectively at draw-in groove 31.
Printing head support part 43 1 sides are laterally extending a sliding part, this sliding position in chute 11 and outer end be connected in draw-in groove 31, for reducing wear, on sliding part, be arranged with a columned axle sleeve 44, this axle sleeve 44 contacts with chute 11 inwalls and draw-in groove 31 inwalls.
One side of pedestal 1 forms a through hole 14, and one end of spanner 3 has a bearing pin portion 32, in the through hole 14 that this bearing pin portion 32 can be located at rotationally.In bearing pin portion 32, be provided with groove 321, one end of rubber roll 2 can be located in this groove 321 rotationally.Spanner and rubber roll are also assembled into one like this, and structure display obtains compact.
Axle sleeve 44 locks under 311 states of position in first of draw-in groove 31, and it is surperficial and in running order that printhead 45 is pressed in rubber roll 2 by printing paper; Printing paper packs into or corrects while processing, only need pull lightly the free end of spanner 33, sliding part drives axle sleeve 44 to depart from first and locks position 311 and slide into first of draw-in groove 31 and lock position 312, and printing head support part 43 drives printheads 45 mobile compression press spring 42 and away from rubber roll 2 open-shaped (as shown in Figure 4) backward.After being disposed, spanner 3 restores to the original state, and printing head support part 43 compresses printing paper near rubber roll 2, and overall structure is simple, convenient to operation, substitutes the traditional structure that original rubber roll moves.
Fig. 5 is that embodiment is used state reference map, is mainly applicable to crooked paper feed, and Fig. 6 is another use state reference map of embodiment, is mainly applicable to straight-through paper feed.

Claims (10)

1. a print head assembly mounting structure, comprise pedestal and be located at large print head assembly on pedestal, aforesaid print head assembly comprises printhead and printing head support part, aforesaid printhead is located on printing head support part, it is characterized in that described pedestal one side has the chute of an opening upwards, one spanner one end and pedestal one side can arrange rotationally, the other end is free end, the medial surface of this spanner forms a draw-in groove, this draw-in groove has the first locking position and second and locks position, described printing head support part one side is laterally extending a sliding part, this sliding position in chute and outer end be connected in aforesaid draw-in groove,
Aforesaid sliding part locks under the state of position in first of draw-in groove, and described printhead is duty;
Pull the free end of aforementioned spanner, aforesaid sliding part departs from first and locks position and slide into second of draw-in groove and lock position, and described printing head support part drives printhead to move.
2. print head assembly mounting structure according to claim 1, is characterized in that a side of described pedestal forms a through hole, and one end of described spanner has a bearing pin portion, and this bearing pin portion can be located in aforesaid through hole rotationally.
3. print head assembly mounting structure according to claim 1, is characterized in that being arranged with a columned axle sleeve on described sliding part, and this axle sleeve contacts with described chute inwall and draw-in groove inwall.
4. print head assembly mounting structure according to claim 1, is characterized in that described draw-in groove is V font, and described the first locking position and second locks the two ends that position lays respectively at draw-in groove.
5. print head assembly mounting structure according to claim 1, it is characterized in that described print head assembly also comprises stage clip and stage clip bracing frame, aforementioned stage clip bracing frame two ends are located on pedestal, aforementioned stage clip two ends offset with printing head support part and stage clip bracing frame respectively, the madial wall of described pedestal has vertical installation portion, the front end face of this installation portion has protruding buckle wedge platform, accordingly, described stage clip bracing frame has the hole clipping with aforementioned buckle wedge platform adaptation, and described stage clip bracing frame is subject to stage clip effect and is close to installation portion.
6. the application thermal printer movement of any print head assembly mounting structure in requirement 1~5 of having the right, comprise pedestal and be located at the motor on pedestal, driving gear component, print head assembly and rubber roll, the active output gear engagement of the power intake of aforementioned driving gear component and motor, clutch end and the rubber-covered roll gear engagement of being located at rubber roll end, aforementioned rubber roll two ends can be located at rotationally the aforesaid print head assembly in pedestal both sides and comprise printhead and printing head support part, aforesaid printhead is located on printing head support part, aforesaid printing head support part is near rubber roll setting, it is characterized in that described pedestal one side has the chute of an opening upwards, one spanner one end and pedestal one side can arrange rotationally, the other end is free end, the medial surface of this spanner forms a draw-in groove, this draw-in groove has the first locking position and second and locks position, described printing head support part one side is laterally extending a sliding part, this sliding position in chute and outer end be connected in aforesaid draw-in groove,
Aforesaid sliding part locks under the state of position in first of draw-in groove, and it is surperficial and in running order that described printhead is pressed in rubber roll by printing paper;
Pull the free end of aforementioned spanner, aforesaid sliding part departs from first and locks position and slide into second of draw-in groove and lock position, and described printing head support part drives printhead mobile compression press spring and away from rubber roll backward.
7. thermal printer movement according to claim 6, is characterized in that a side of described pedestal forms a through hole, and one end of described spanner has a bearing pin portion, and this bearing pin portion can be located in aforesaid through hole rotationally.
8. thermal printer movement according to claim 7, it is characterized in that being provided with groove in described bearing pin portion, and one end of described rubber roll can be located in this groove rotationally.
9. thermal printer movement according to claim 6, is characterized in that the both sides that described spanner and driving gear component are located at respectively pedestal.
10. thermal printer movement according to claim 6, is characterized in that described draw-in groove is V font, and described the first locking position and second locks the two ends that position lays respectively at draw-in groove.
CN201310537623.8A 2013-11-04 2013-11-04 Print head assembly mounting structure and application have the thermal printer cassette of this structure Active CN103538373B (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104309310A (en) * 2014-10-31 2015-01-28 宁波精芯科技有限公司 Thermal printer
CN104369546A (en) * 2014-11-04 2015-02-25 宁波精芯科技有限公司 Thermal printer
CN105856860A (en) * 2016-06-07 2016-08-17 珠海瑞柏精密科技有限公司 Thermal-sensitive barcode printer and printing method thereof
CN107284048A (en) * 2017-07-04 2017-10-24 宁波精芯科技有限公司 Rubber roll component mounting structure
WO2018035975A1 (en) * 2016-08-22 2018-03-01 厦门顶尖电子有限公司 Fitting structure of rubber roll of printer engine and open linear bearing of main bracket in thermal printer
CN108081760A (en) * 2018-01-08 2018-05-29 厦门爱印科技有限公司 A kind of portable printer
CN108407470A (en) * 2018-03-01 2018-08-17 宁波精芯科技有限公司 Thermal printer movement
JP2018202667A (en) * 2017-05-31 2018-12-27 ブラザー工業株式会社 Printer
CN106414092B (en) * 2014-05-30 2019-03-08 富士通电子零件有限公司 Print apparatus
CN110217002A (en) * 2019-06-17 2019-09-10 中山市毕升打印科技有限公司 A kind of price labeling print module and price labeling
CN112571973A (en) * 2020-12-28 2021-03-30 武汉精臣智慧标识科技有限公司 Intelligent label printer

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CN202278840U (en) * 2011-09-23 2012-06-20 宁波精芯科技有限公司 Thermal printer rubber-roller mounting structure
CN203666134U (en) * 2013-11-04 2014-06-25 宁波精芯科技有限公司 Printing-head assembly installation structure and temperature-sensitive printer core therewith

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Publication number Priority date Publication date Assignee Title
US5697714A (en) * 1993-12-27 1997-12-16 Seiko Instruments Inc. Line printer equipped with easily assembled/replaceable print head
CN2512605Y (en) * 2001-11-20 2002-09-25 威海北洋电气集团股份有限公司 Thermal sensitive label printer
WO2005090086A1 (en) * 2004-03-17 2005-09-29 Bematech Indústria E Comércio De Equipamentos Eletrônicos Sa Thermal printing mechanism
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CN202278840U (en) * 2011-09-23 2012-06-20 宁波精芯科技有限公司 Thermal printer rubber-roller mounting structure
CN203666134U (en) * 2013-11-04 2014-06-25 宁波精芯科技有限公司 Printing-head assembly installation structure and temperature-sensitive printer core therewith

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106414092B (en) * 2014-05-30 2019-03-08 富士通电子零件有限公司 Print apparatus
CN104309310A (en) * 2014-10-31 2015-01-28 宁波精芯科技有限公司 Thermal printer
CN104309310B (en) * 2014-10-31 2016-05-11 宁波精芯科技有限公司 Thermal printer
CN104369546A (en) * 2014-11-04 2015-02-25 宁波精芯科技有限公司 Thermal printer
CN104369546B (en) * 2014-11-04 2015-12-02 宁波精芯科技有限公司 A kind of thermal printer
CN105856860A (en) * 2016-06-07 2016-08-17 珠海瑞柏精密科技有限公司 Thermal-sensitive barcode printer and printing method thereof
WO2018035975A1 (en) * 2016-08-22 2018-03-01 厦门顶尖电子有限公司 Fitting structure of rubber roll of printer engine and open linear bearing of main bracket in thermal printer
JP2018202667A (en) * 2017-05-31 2018-12-27 ブラザー工業株式会社 Printer
CN107284048B (en) * 2017-07-04 2019-03-08 宁波精芯科技有限公司 Rubber roll component mounting structure
CN107284048A (en) * 2017-07-04 2017-10-24 宁波精芯科技有限公司 Rubber roll component mounting structure
CN108081760A (en) * 2018-01-08 2018-05-29 厦门爱印科技有限公司 A kind of portable printer
CN108407470A (en) * 2018-03-01 2018-08-17 宁波精芯科技有限公司 Thermal printer movement
CN110217002A (en) * 2019-06-17 2019-09-10 中山市毕升打印科技有限公司 A kind of price labeling print module and price labeling
CN112571973A (en) * 2020-12-28 2021-03-30 武汉精臣智慧标识科技有限公司 Intelligent label printer

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