CN108995407A - A kind of driving mechanism of printer color tape - Google Patents

Abstract

The invention discloses a kind of driving mechanisms of printer color tape, including apparatus main body, it is set to the intracorporal driving device of described device master, it is set to guiding device in described device main body and is set to the intracorporal whole band device of described device master, the driving device includes being fixedly installed on motor in described device main body, first turn of chamber is provided in the front inner wall of the motor, first turn of chamber, first is provided in the front inner wall of first turn of chamber to begin to speak, the front end power of the motor is combined with first rotating shaft, the front end of the first rotating shaft extend through first turn of chamber be passed through described first begin to speak in and be rotatably assorted and be connected in the front inner wall that described first begins to speak by bearing, first gear is fixedly installed in the described first turn intracavitary first rotating shaft；Present apparatus structure is simple, easy to use, can automatically complete the movement of the needs of colour band, improves the utilization rate of colour band, keeps used colour band arrangement neat, and high-efficiency environment friendly is worth recommending.

Description

A kind of driving mechanism of printer color tape

Technical field

The present invention relates to printer technology field, the driving mechanism of specifically a kind of printer color tape.

Background technique

Nowadays printer is widely used in every field, and each company, school, special shop etc. are daily using printer Frequency is very high, then the consumption of pigment is also very big, and a kind of existing frequently-used printer is to be hit using word vehicle colour band The mode printed, previous colour band utilization rate is lower and internal easy failure, therefore designs simple and effective a kind of beat The driving mechanism of print machine colour band it is really necessary to.

Summary of the invention

Technical problem to be solved by the invention is to provide a kind of driving mechanisms of printer color tape, are able to solve above-mentioned The problems in present technology.

The present invention is achieved through the following technical solutions: a kind of driving mechanism of printer color tape of the invention, packet Apparatus main body is included, the intracorporal driving device of described device master is set to, is set to guiding device in described device main body and sets It is placed in the intracorporal whole band device of described device master, the driving device includes being fixedly installed on motor in described device main body, institute It states and is provided with first turn of chamber in the front inner wall of motor, first turn of chamber is provided in the front inner wall of first turn of chamber First begins to speak, and the front end power of the motor is combined with first rotating shaft, and the front end of the first rotating shaft extends through described first Turn chamber be passed through described first begin to speak in and be rotatably assorted and be connected in the front inner wall that described first begins to speak by bearing, described the It is fixedly installed first gear in one turn of intracavitary first rotating shaft, described first turn intracavitary to be provided with and the first gear The second gear being meshed, the second gear are fixedly connected with the second shaft, and the front end of second shaft, which extends, is passed through institute State first begin to speak in and be rotatably assorted and be connected in the front inner wall that described first begins to speak by bearing, described first begin to speak it is interior Be fixedly installed third gear in the first rotating shaft, described first begin to speak in second shaft on be fixedly installed can be with The 4th gear that the third gear is meshed, what is be connected in the downside inner wall of first turn of chamber is provided with second turn of chamber, Described second turn intracavitary to be provided with the sprocket wheel being meshed with the second gear, described second turn intracavitary be provided with it is described The 5th gear that sprocket wheel is meshed, the 5th gear is fixedly connected with shaft and shaft is rotatably assorted by bearing and is connected to institute It states on the front and back side inner wall of second turn of chamber, described second turn intracavitary to be provided with the 6th gear being meshed with the 5th gear, 6th gear is fixedly connected with third shaft, and described second turn intracavitary to be provided with the 7th to be meshed with the 6th gear Gear, the 7th gear are fixedly connected with the 4th shaft, are provided with second in the front inner wall in the left side of second turn of chamber It begins to speak, is provided with third in the front inner wall on the right side of second turn of chamber and begins to speak, described second begins to speak to begin to speak with the third Between be connected be provided with and the 4th begin to speak, the third begin to speak with described first begin to speak between be connected be provided with and the 5th open Chamber, the front end of the third shaft extend be passed through described second begin to speak in and be rotatably assorted by bearing and to be connected to described second and open In the upper inside walls of chamber, the front end of the 4th shaft extend be passed through described second begin to speak in and be rotatably assorted connection by bearing In in the upper inside walls that described second begins to speak, described second begin to speak in the third shaft on be fixedly connected with eighth gear, Described second, which begins to speak, is fixedly connected with the 9th gear engaged with the eighth gear in interior the 4th shaft.

As a preferred technical solution, the guiding device include rotatably be set to the third begin to speak it is interior close to right 5th shaft of side inner wall, the left end of the 5th shaft are fixedly connected with guide plate, in the downside inner wall that the third is begun to speak It is provided with the second cavity, the lower end of the 5th shaft, which extends to be passed through in second cavity and be rotatably assorted by bearing, is connected to institute It states on the downside inner wall of the second cavity, the left end of the 5th shaft in second cavity is fixedly connected with bull stick, described Bull stick up and down be provided with the first sliding chamber, what is be connected in the upper inside walls of second cavity is provided with third cavity, The first sliding block is slidably provided in the third cavity, first slip front is fixedly installed can be sliding described first The fixed block of intracavitary sliding is fixedly connected with first between the upper end of first sliding block and the upper inside walls of the third cavity Spring, what is be connected in the downside inner wall of second cavity is provided with the 4th cavity, slidably sets in the 4th cavity It is equipped with the second sliding block, second upper end of slide block is provided with bevel structure, and the lower end of first sliding block, which extends, is passed through described the It is abutted against in two cavitys and with the upper end of second sliding block, what is be connected in the downside inner wall of the 4th cavity is provided with U 5th cavity of shape, what is be connected in the inner left wall of the 4th cavity is provided with the 6th cavity, a left side for the 5th cavity What is be connected in the inner wall of side is provided with the 7th cavity, be slidably provided in the 5th cavity under second sliding block The third sliding block being fixedly connected is held, is slidably provided with Four-slider, the right end of the third sliding block in the 5th cavity Second spring is fixedly connected between the right end of the Four-slider, be rotatably provided in the 6th cavity with it is described The tenth gear that sprocket wheel is meshed, the tenth gear are fixedly connected with the 6th shaft, and the upper end of the 6th shaft passes through axis Dynamic mating connection is forwarded in the upper inside walls of the 6th cavity, and it is empty that the lower end extension of the 6th shaft is passed through the described 7th Chamber is simultaneously rotatably assorted on the downside inner wall for being connected to the 7th cavity by bearing, and described 6th turn in the 7th cavity The first cam that can be abutted against with the left end of the third sliding block is fixedly connected on axis, it is described in the 7th cavity The second cam that can be abutted against with the left end of the Four-slider is fixedly connected in 6th shaft.

The tensioning apparatus includes symmetrically being fixedly installed on the third to begin to speak interior left side as a preferred technical solution, The first fixed link begun to speak on inner wall with respect to the 4th, the right end of first fixed link are rotatably provided with the first idler wheel, institute State it is symmetrical in apparatus main body be provided with the 6th and begin to speak, the described 6th interior front and back of beginning to speak is fixedly installed the second fixed link, The second idler wheel is rotatably provided in second fixed link, the described 6th begins to speak leads on the interior side inner wall being located remotely from each other It crosses hinge and is rotatably assorted and be connected with the first rotating bar, in first rotating bar and the described 6th side being located remotely from each other begun to speak Second spring is fixedly connected between wall, be connected on the inner wall of the described 6th side close to each other begun to speak be provided with What the external world was connected the 7th begins to speak, described second begin to speak interior front and back it is fixed be provided with third fixed link, the third fixed link On be rotatably provided with third idler wheel, the third is begun to speak interior setting color band, and the colour band left end is around in first rolling Wheel is around in the third idler wheel, second idler wheel simultaneously with the 9th gear place of being meshed overturning by the eighth gear It is returned in third begins to speak by the 4th gear and the third gear place of being meshed.

The beneficial effects of the present invention are: the configuration of the present invention is simple, easy to operate, colour band is driven by the present apparatus When, motor is opened, motor drives first rotating shaft rotation, and then drives the rotation of third gear, while first gear drives the 7th tooth Wheel rotation, and then the rotation of the 4th gear is driven, while the 7th gear band movable sprocket rotates, and then drive the rotation of the tenth gear, into And the rotation of the first cam is driven, and then third sliding block is driven to move right, and then drive Four-slider to be moved to the left, while the tenth Gear rotation drives the rotation of the second cam, and then Four-slider is driven to move right, and then third sliding block is driven to be moved to the left, into And drive the second sliding block move left and right, and then the first sliding block under the action of the first spring along the inclined-plane of the upper end of the second sliding block Lower movement, and then bar rotation is driven, and then drive the rotation of the 5th shaft, and then drive guide plate rotation, allow colour band by rule Arrangement, while sprocket wheel drives the rotation of the 5th gear, and then drives the rotation of the 6th gear, and then drives the rotation of third shaft, in turn Eighth gear rotation is driven, while the 6th gear drives the rotation of the 7th gear, and then drives the rotation of the 4th shaft, and then drive the The rotation of nine gears, colour band is driven by eighth gear and the 9th gear and the 4th gear and third gear and is moved, by preceding It is overturn, to reach the utilization rate on colour band two sides, second spring acts on the first rotating bar and colour band abuts against and can open colour band Tightly, the first idler wheel wear colour band will not be moved, and present apparatus structure is simple, easy to use, can automatically complete colour band The movement needed improves the utilization rate of colour band, keeps used colour band arrangement neat, and high-efficiency environment friendly is worth recommending.

Detailed description of the invention

The present invention is described in detail by following specific embodiments and drawings for ease of explanation,.

Fig. 1 is a kind of schematic diagram of internal structure of the driving mechanism of printer color tape of the invention；

Fig. 2 is the right view of " A-A " in Fig. 1；

Fig. 3 is the top view of " B-B " in Fig. 2；

Fig. 4 is the rearview of " C-C " in Fig. 3.

Specific embodiment

As Figure 1-Figure 4, the driving mechanism of a kind of printer color tape of the invention, including apparatus main body 11, be set to Driving device in described device main body 11 is set to guiding device in described device main body 11 and is set to described device master Tensioning apparatus in body 11, the driving device include being fixedly installed on motor 40 in described device main body 11, the motor 40 Front inner wall in be provided with first turn of chamber 38, first turn of chamber 38 is provided in the front inner wall of first turn of chamber 38 First begins to speak 37, and the front end power of the motor 40 is combined with first rotating shaft 32, and the front end of the first rotating shaft 32 extends through First turn of chamber 38, which is passed through described first, begins to speak to be rotatably assorted in 37 and by bearing and is connected to described first and begins to speak before 37 In the inner wall of side, first gear 39, first turn of chamber are fixedly installed in the first rotating shaft 32 in first turn of chamber 38 The second gear 41 being meshed with the first gear 39 is provided in 38, the second gear 41 is fixedly connected with the second shaft 30, the front end of second shaft 30, which extends to be passed through described first and begin to speak to be rotatably assorted in 37 and by bearing, is connected to described the One begin to speak 37 front inner wall in, be fixedly installed third gear 33 in the described first first rotating shaft 32 begun to speak in 37, The 4th tooth that can be meshed with the third gear 33 is fixedly installed in described first second shaft 30 begun to speak in 37 29 are taken turns, what is be connected in the downside inner wall of first turn of chamber 38 is provided with second turn of chamber 40, setting in second turn of chamber 40 There is the sprocket wheel 46 being meshed with the second gear 41, is provided in second turn of chamber 40 and is meshed with the sprocket wheel 46 The 5th gear 45, the 5th gear 45 is fixedly connected with shaft and shaft is rotatably assorted by bearing and is connected to described second Turn on the front and back side inner wall of chamber 40, is provided with the 6th gear being meshed with the 5th gear 45 in second turn of chamber 40 43, the 6th gear 43 is fixedly connected with third shaft 15, is provided in second turn of chamber 40 and the 6th gear 43 The 7th gear 41 being meshed, the 7th gear 41 are fixedly connected with the 4th shaft 17, the left side of second turn of chamber 40 It is provided with second in front inner wall and begins to speak 13, third is provided in the front inner wall on the right side of second turn of chamber 40 and begins to speak 34, Described second, which begins to speak, 13 the 4th begins to speak 23 with the third being provided with of beginning to speak to be connected between 34, and the third is begun to speak 34 and institute State first begin to speak to be connected between 37 be provided with and the 5th begin to speak 31, the front end of the third shaft 15, which extends, is passed through described second Begin to speak to be rotatably assorted in 13 and by bearing be connected to described second begin to speak 13 upper inside walls on, before the 4th shaft 17 End extend be passed through described second begin to speak to be rotatably assorted in 13 and by bearing be connected to described second begin to speak 13 upper inside walls on, Be fixedly connected with eighth gear 14 in the described second third shaft 15 begun to speak in 13, described second begin to speak it is described in 13 The 9th gear 16 engaged with the eighth gear 14 is fixedly connected in 4th shaft 17.

Valuably, the guiding device includes rotatably being set to the third to begin to speak in 34 close to the of right side inner wall Five shafts 28, the left end of the 5th shaft 28 are fixedly connected with guide plate 27, the third begin to speak 34 downside inner wall in set It is equipped with the second cavity 54, the lower end of the 5th shaft 28, which extends, to be passed through in second cavity 54 and be rotatably assorted connection by bearing In on the downside inner wall of second cavity 54, the left end of the 5th shaft 58 in second cavity 54 is fixedly connected with Bull stick 53, the bull stick 53 up and down be provided with the first sliding chamber 59, be connected in the upper inside walls of second cavity 54 Be provided with third cavity 57, the first sliding block 56 is slidably provided in the third cavity 57, before first sliding block 56 End is fixedly installed the fixed block 58 that can be slided in the described first sliding chamber 59, the upper end of first sliding block 56 and the third The first spring 55 is fixedly connected between the upper inside walls of cavity 57, what is be connected in the downside inner wall of second cavity 54 sets It is equipped with the 4th cavity 49, the second sliding block 51 is slidably provided in the 4th cavity 49,51 upper end of the second sliding block is set Be equipped with bevel structure, the lower end of first sliding block 56 extend be passed through in second cavity 54 and with second sliding block 51 Upper end abuts against, the 5th cavity 66 for being provided with U-shaped being connected in the downside inner wall of the 4th cavity 49, and the described 4th is empty What is be connected in the inner left wall of chamber 49 is provided with the 6th cavity 47, and what is be connected in the inner left wall of the 5th cavity 66 sets It is equipped with the 7th cavity 61, is slidably provided in the 5th cavity 66 and is fixedly connected with the lower end of second sliding block 51 Third sliding block 65 is slidably provided with Four-slider 64, the right end of the third sliding block 65 and institute in the 5th cavity 66 It states and is fixedly connected with second spring 67 between the right end of Four-slider 65, be rotatably provided in the 6th cavity 47 and institute The tenth gear 48 that sprocket wheel 46 is meshed is stated, the tenth gear 48 is fixedly connected with the 6th shaft 60, the 6th shaft 60 Upper end be rotatably assorted in the upper inside walls for being connected to the 6th cavity 47 by bearing, the lower end of the 6th shaft 60 is prolonged It stretches and is passed through the 7th cavity 61 and is rotatably assorted on the downside inner wall for being connected to the 7th cavity 61 by bearing, described It is convex that can abut against with the left end of the third sliding block 65 first is fixedly connected in the 6th shaft 60 in seven cavitys 61 63 are taken turns, being fixedly connected in the 6th shaft 60 in the 7th cavity 61 can be with the left end of the Four-slider 64 The second cam 62 abutted against.

Valuably, the tensioning apparatus include symmetrically be fixedly installed on the third begin to speak it is opposite in inner left wall in 34 4th begin to speak 23 the first fixed link 24, the right end of first fixed link 24 is rotatably provided with the first idler wheel 26, described Symmetrical in apparatus main body 11 to be provided with the 6th and begin to speak 25, the described 6th begins to speak, and to be fixedly installed second fixed for front and back in 25 Bar 21, is rotatably provided with the second idler wheel 22 in second fixed link, and the described 6th begins to speak one be located remotely from each other in 25 It is rotatably assorted on the inner wall of side by hinge and is connected with the first rotating bar 18, first rotating bar 18 begins to speak 25 with the described 6th Be fixedly connected with second spring 19 between the side inner wall being located remotely from each other, the described 6th begin to speak 25 side close to each other it is interior The 7th to be connected with the external world that be provided with being connected on wall begins to speak 20, described second begin to speak front and back in 13 it is fixed be provided with the Three fixed links 12, are rotatably provided with third idler wheel 36 in the third fixed link 12, and the third begins to speak to be provided in 34 Colour band 35,35 left end of colour band are around in first idler wheel 26, pass through the eighth gear 14 and 16 phase of the 9th gear Engagement place overturning 180 is around in the third idler wheel 36, second idler wheel 22 and by the 4th gear 29 and third gear 33 places of being meshed return to third and begin to speak in 34.

When driving by the present apparatus to colour band, motor 40 is opened, motor 40 drives first rotating shaft 32 to rotate, and then band Dynamic third gear 33 rotates, while first gear 39 drives the rotation of the 7th gear 41, and then drives the rotation of the 4th gear 29, simultaneously 7th gear 41 is rotated with movable sprocket 46, and then drives the rotation of the tenth gear 48, and then drives the rotation of the first cam 63, and then band Dynamic third sliding block 65 moves right, and then Four-slider 64 is driven to be moved to the left, while the rotation drive second of the tenth gear 48 is convex 62 rotation of wheel, and then drive Four-slider 64 to move right, and then third sliding block 65 is driven to be moved to the left, and then drive second is sliding Block 51 moves left and right, and then the first sliding block 56 moves down along the inclined-plane of the upper end of the second sliding block 51 under the action of the first spring 55 It is dynamic, and then drive bull stick 53 to rotate, and then drive the rotation of the 5th shaft 28, and then guide plate 27 is driven to rotate, allow colour band by rule Rule arrangement, while sprocket wheel 46 drives the rotation of the 5th gear 45, and then drives the rotation of the 6th gear 43, and then drive third shaft 15 Rotation, and then drive eighth gear 14 to rotate, while the 6th gear 43 drives the rotation of the 7th gear 41, and then drives the 4th shaft 17 rotations, and then the rotation of the 9th gear 16 is driven, colour band 35 is by eighth gear 14 and the 9th gear 16 and the 4th gear 29 drive with third gear 33 and move, and by being overturn before 36, to reach the utilization rate on 35 two sides of colour band, second spring 19 is made It is abutted against and colour band 35 can be tensioned with colour band 35 with the first rotating bar 18, the first idler wheel 26 wear colour band 35 will not be moved It is dynamic.

The beneficial effects of the present invention are: the configuration of the present invention is simple, easy to operate, colour band is driven by the present apparatus When, motor is opened, motor drives first rotating shaft rotation, and then drives the rotation of third gear, while first gear drives the 7th tooth Wheel rotation, and then the rotation of the 4th gear is driven, while the 7th gear band movable sprocket rotates, and then drive the rotation of the tenth gear, into And the rotation of the first cam is driven, and then third sliding block is driven to move right, and then drive Four-slider to be moved to the left, while the tenth Gear rotation drives the rotation of the second cam, and then Four-slider is driven to move right, and then third sliding block is driven to be moved to the left, into And drive the second sliding block move left and right, and then the first sliding block under the action of the first spring along the inclined-plane of the upper end of the second sliding block Lower movement, and then bar rotation is driven, and then drive the rotation of the 5th shaft, and then drive guide plate rotation, allow colour band by rule Arrangement, while sprocket wheel drives the rotation of the 5th gear, and then drives the rotation of the 6th gear, and then drives the rotation of third shaft, in turn Eighth gear rotation is driven, while the 6th gear drives the rotation of the 7th gear, and then drives the rotation of the 4th shaft, and then drive the The rotation of nine gears, colour band is driven by eighth gear and the 9th gear and the 4th gear and third gear and is moved, by preceding It is overturn, to reach the utilization rate on colour band two sides, second spring acts on the first rotating bar and colour band abuts against and can open colour band Tightly, the first idler wheel wear colour band will not be moved, and present apparatus structure is simple, easy to use, can automatically complete colour band The movement needed improves the utilization rate of colour band, keeps used colour band arrangement neat, and high-efficiency environment friendly is worth recommending.

The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any The change or replacement expected without creative work, should be covered by the protection scope of the present invention.Therefore, of the invention Protection scope should be determined by the scope of protection defined in the claims.

Claims (3)

1. a kind of driving mechanism of printer color tape, including apparatus main body, it is set to the intracorporal driving device of described device master, sets It is placed in guiding device in described device main body and is set to the intracorporal whole band device of described device master, the driving device includes It is fixedly installed on motor in described device main body, is provided with first turn of chamber in the front inner wall of the motor, first turn of chamber, It is provided with first in the front inner wall of first turn of chamber to begin to speak, the front end power of the motor is combined with first rotating shaft, described The front end of first rotating shaft extend through first turn of chamber be passed through described first begin to speak in and be rotatably assorted and be connected to by bearing In described first front inner wall begun to speak, it is fixedly installed first gear in the described first turn intracavitary first rotating shaft, institute State first turn it is intracavitary be provided with the second gear being meshed with the first gear, the second gear is fixedly connected with second turn Axis, the front end of second shaft extend be passed through described first begin to speak in and be rotatably assorted by bearing and to be connected to described first and open In the front inner wall of chamber, described first, which begins to speak, is fixedly installed third gear in the interior first rotating shaft, and described first begins to speak The 4th gear that can be meshed with the third gear is fixedly installed in interior second shaft, under first turn of chamber What is be connected in the inner wall of side is provided with second turn of chamber, and described second turn intracavitary to be provided with the chain being meshed with the second gear Wheel, described second turn intracavitary to be provided with the 5th gear being meshed with the sprocket wheel, and the 5th gear is fixedly connected with Shaft and shaft are rotatably assorted on the front and back side inner wall for being connected to second turn of chamber by bearing, second turn of intracavitary setting There is the 6th gear being meshed with the 5th gear, the 6th gear is fixedly connected with third shaft, second turn of chamber Inside it is provided with the 7th gear being meshed with the 6th gear, the 7th gear is fixedly connected with the 4th shaft, and described It is provided with second in the front inner wall in the left side of two turns of chambers to begin to speak, is provided in the front inner wall on the right side of second turn of chamber Three begin to speak, described second begins to speak begin to speak with the third between be connected be provided with and the 4th begin to speak, the third is begun to speak and institute State first begin to speak between be connected be provided with and the 5th begin to speak, the front end of the third shaft extend be passed through described second begin to speak in And be rotatably assorted and be connected in the upper inside walls that described second begins to speak by bearing, the front end of the 4th shaft, which extends, is passed through institute State second begin to speak in and be rotatably assorted and be connected in the upper inside walls that described second begins to speak by bearing, described second begin to speak it is interior Be fixedly connected with eighth gear in the third shaft, described second begin to speak in the 4th shaft on be fixedly connected with and institute State the 9th gear of eighth gear engagement.

2. a kind of driving mechanism of printer color tape according to claim 1, it is characterised in that: the guiding device includes It is rotatably set to the third to begin to speak the 5th shaft of interior close right side inner wall, the left end of the 5th shaft is fixedly connected There is guide plate, be provided with the second cavity in the downside inner wall that the third is begun to speak, the lower end of the 5th shaft, which extends, is passed through described the It is rotatably assorted in two cavitys and by bearing on the downside inner wall for being connected to second cavity, it is described in second cavity The left end of 5th shaft is fixedly connected with bull stick, the bull stick up and down be provided with the first sliding chamber, second cavity What is be connected in upper inside walls is provided with third cavity, is slidably provided with the first sliding block in the third cavity, and described One slip front is fixedly installed can be in the fixed block of the described first sliding intracavitary sliding, the upper end of first sliding block and described the The first spring is fixedly connected between the upper inside walls of three cavitys, what is be connected in the downside inner wall of second cavity is provided with 4th cavity is slidably provided with the second sliding block in the 4th cavity, and second upper end of slide block is provided with bevel structure, The lower end of first sliding block, which extends, to be passed through in second cavity and abuts against with the upper end of second sliding block, the described 4th What is be connected in the downside inner wall of cavity is provided with the 5th cavity of U-shaped, is connected in the inner left wall of the 4th cavity It is provided with the 6th cavity, what is be connected in the inner left wall of the 5th cavity is provided with the 7th cavity, in the 5th cavity It slidably is provided with the third sliding block being fixedly connected with the lower end of second sliding block, is slidably set in the 5th cavity It is equipped with Four-slider, is fixedly connected with second spring between the right end of the third sliding block and the right end of the Four-slider, institute The tenth gear for being rotatably provided in the 6th cavity and being meshed with the sprocket wheel is stated, the tenth gear is fixedly connected with The upper end of six shafts, the 6th shaft is rotatably assorted in the upper inside walls for being connected to the 6th cavity by bearing, described The lower end of 6th shaft, which extends to be passed through the 7th cavity and be rotatably assorted by bearing, is connected to the downside of the 7th cavity On inner wall, being fixedly connected in the 6th shaft in the 7th cavity can abut against with the left end of the third sliding block First cam, being fixedly connected in the 6th shaft in the 7th cavity can be with the left end phase of the Four-slider The second cam abutted.

3. a kind of driving mechanism of printer color tape according to claim 1, it is characterised in that: the tensioning apparatus includes It is symmetrically fixedly installed on the third to begin to speak the first fixed link begun to speak with respect to the 4th in interior inner left wall, described first is fixed The right end of bar is rotatably provided with the first idler wheel, symmetrical in described device main body to be provided with the 6th and begin to speak, and described Six interior front and backs of beginning to speak are fixedly installed the second fixed link, and the second idler wheel is rotatably provided in second fixed link, described 6th begin to speak in the side inner wall being located remotely from each other on be rotatably assorted by hinge and be connected with the first rotating bar, described first rotates Be fixedly connected with second spring between bar and the described 6th side inner wall being located remotely from each other begun to speak, the described 6th begin to speak it is mutual Being provided with for being connected on the inner wall of close side the 7th is begun to speak with what the external world was connected, and the described second interior front and back of beginning to speak is fixed Be provided with third fixed link, be rotatably provided with third idler wheel in the third fixed link, the third is begun to speak interior setting Color band, the colour band left end are around in first idler wheel, are turned over by the eighth gear with the 9th gear place of being meshed It turns around in the third idler wheel, second idler wheel and third is returned to the third gear place of being meshed by the 4th gear opens It is intracavitary.