A braille printing device and a method of producing a braille printed matter

Abstract

The application discloses a kind of Braille printing device, including base, several transmission channels for thermoplastic printing paper pass are set in base, and upper paper unit and cutting unit are respectively set in both ends on transmission channel, and upper paper unit and cutting unit are set with thermoplastic forming printing device between, thermoplastic forming printing device includes Braille printing device and heating module, Braille printing device is provided with multiple groups of Braille typewriting printing unit, heating module is embedded in transmission channel, and Braille typewriting printing unit and heating module are extruded thermoplastic printing paper to deform and print Braille typewriting on thermoplastic printing paper;Advantage lies in the device of the present application small, low cost, printed Braille printed matter is not easy to rebound, durable;The application further provides a kind of preparation method of Braille printed matter, including paper feeding process, thermoplastic printing and cutting recovery etc., simple operation, convenient and practical, suitable for blind group to print Braille label and application promotion.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of Braille printer, and particularly relates to a Braille printing device and a preparation method of Braille printed matter. BACKGROUND

[0002] Daily necessities and life necessities and related products are less adapted to the blind population. Traditional Braille printing devices generally use mechanical punch needle engraving machines. The punch needles are used to impact and stamp on the kraft paper with a specific strength, so that the paper is raised to form Braille dots. This method has high requirements for equipment and paper, and the printed Braille dots are easy to rebound. After being touched several times by the blind, the paper raised is ground flat, so that the printed information is blurred. In addition, the traditional Braille printing device is large in size, high in cost, and the printing paper used is also relatively high in price and has corresponding restrictions. All these increase the cost of the blind to use Braille products, and limit the promotion and application of Braille. In summary, the existing Braille printing devices are mostly designed for Braille product printing factories. These devices are high in cost and large in size, and are not suitable for the blind population to print small labels in daily life. SUMMARY

[0003] The technical problem to be solved by the present application is to provide a Braille printing device which is small in size and low in cost. The printed Braille printed matter is not easy to rebound, is durable, has large height-diameter ratio of Braille dots, and the Braille dots are smooth and round. The present application also provides a preparation method of Braille printed matter, which is simple, convenient and practical, and is suitable for the blind population to print Braille labels and application promotion.

[0004] The technical solution of the present application to solve the above technical problems is as follows:

[0005] A Braille printing device, comprising a base, a plurality of conveying channels for passing through thermoplastic printing paper are formed in the base, an upper paper unit and a cutting unit are respectively arranged at both ends of the conveying channels, a thermoplastic forming printing device is arranged between the upper paper unit and the cutting unit, the thermoplastic forming printing device comprises a Braille printing device and a heating module, the Braille printing device is provided with a plurality of Braille dot printing units, and the heating module is embedded on the conveying channel. The Braille dot printing units and the heating module are pressed against each other to deform the thermoplastic printing paper and print Braille dots on the thermoplastic printing paper.

[0006] The Braille printing device comprises a rotating rod, at least one rotating wheel threaded on the rotating rod through a connecting mechanism, and a motor arranged at one end of the rotating rod, the rotating wheel is fixedly arranged above the conveying channel, a lifting mechanism is arranged on the Braille printing device, the lifting mechanism is used for resetting the Braille printing device after printing, a plurality of groups of the Braille printing units are uniformly and spacedly arranged on the peripheral wall of the rotating wheel, one group of the Braille printing units is arranged to be tangent to the heating module at the beginning of printing, the motor drives the rotating wheel to rotate, so that any Braille printing unit can be tangent to the heating module during printing, the front end of the connecting mechanism is connected with independent controllers corresponding in number and position to the Braille printing units, and the independent controllers impact the Braille printing units to print Braille on the thermoplastic printing paper. The heating module is arranged on the conveying channel and located directly below the rotating wheel, the rotating wheel is controlled to rotate by the motor to a certain angle, so that a group of Braille printing units is tangent to the heating module, at this time, the independent controller impacts the Braille printing unit to generate concave-convex deformation, thereby printing Braille on the thermoplastic printing paper, and the lifting mechanism arranged on the rotating wheel is used for resetting the Braille printing device after printing and driving the thermoplastic printing paper to be transmitted forward, so that the structure is simple, easy to process and low in cost.

[0007] The connecting mechanism comprises an annular panel arranged between the rotating wheel and the rotating rod and a connecting rod, the connecting rod is threaded through the annular panel and connected with the independent controllers, the independent controllers are internally provided with a plurality of telescopic motors, the Braille printing units are composed of a plurality of plungers corresponding in number and position to the telescopic motors, and the telescopic motors leave convex point imprints on the thermoplastic printing paper by impacting the plungers, thereby printing Braille.

[0008] The lifting mechanism is a spring fixedly arranged on the peripheral wall of the rotating wheel and wound on the outer surface of the plunger, and the spring is used for resetting the telescopic motor after printing.

[0009] Specifically, the plungers are arranged in a three-row two-column mode.

[0010] Specifically, the heating module comprises a heating base embedded on the conveying channel, an electric heating wire arranged on the heating base, and a sponge layer with a thickness of 1.0-1.5 mm arranged above the electric heating wire. Specifically, the thickness of the sponge layer is 1.0 mm; the sponge layer has good heat conduction performance, and at the same time, the sponge layer can ensure that the plunger has sufficient downward buffering area during stamping and thermoplastic processes, and the thermoplastic printing paper can have a downward deformation space.

[0011] Specifically, the positioning device is a cylindrical steel rod fixed on the conveying channel.

[0012] The paper feeding unit is fixed on one end of the base by a vertical rod, and a cylindrical roller is fixed on the vertical rod.

[0013] Specifically, the cutting unit is a steel sawtooth at the outlet of the thermoplastic printing paper.

[0014] Specifically, the material of the thermoplastic printing paper is a thermoplastic resin-based composite material. Optionally, the thermoplastic printing paper has adhesive on the back, and after printing, the adhesive on the back can be removed to paste the printed product anywhere.

[0015] The heating module has multiple selectable temperature settings, which can be selected according to the material and whether the thermoplastic printing paper has adhesive.

[0016] A method for preparing a Braille printed matter, comprising the following steps:

[0017] S1 paper feeding process: the thermoplastic printing paper roll is placed on the cylindrical roller of the paper feeding unit, fixed and placed on the conveying channel by the positioning device, and sent to the printing area by the Braille printing device to complete the paper feeding process.

[0018] S2 thermoplastic printing: after the thermoplastic printing paper reaches the printing area, the heating wire in the heating module is powered on, and the temperature reaches 200-220℃ after 3-5s, at which time the temperature of the thermoplastic printing paper on the heating module is 170-180℃; then start the Braille printing device, drive the rotating wheel by the motor, when the rotating wheel rotates to the position tangent to the heating module on the base, control the motor to stop rotating, at this time the independent controller corresponds to the Braille dot printing unit, control the independent controller to press the corresponding Braille dot printing unit and mold on the thermoplastic printing paper to print the recessed Braille dot, the lifting device lifts and resets the rotating wheel, completes the printing of a group of Braille dots, the motor controls the rotating wheel to continue to rotate, and the above process is repeated to print the next group of Braille dots.

[0019] S3 cutting recovery: after the thermoplastic printing paper completes the printing process, the friction generated by the rotation of the rotating wheel drives it forward to the cutting unit, and the printed product is cut off for use. After cutting, it can be directly used as a Braille label, or the plastic film on the back of the printed product can be torn off, and then the printed product can be pasted anywhere through the adhesive on the back of the printed product.

[0020] Specifically, the six telescopic motors of the independent controller in step S2 press down the corresponding Braille dot printing unit inside the plunger, the plunger presses down the heated thermoplastic printing paper, and after molding, the Braille dots are printed on the thermoplastic printing paper. At this time, the spring is pressed and accumulates elastic potential energy, and the telescopic motor resets, the spring releases the elastic potential energy and resets the plunger, and completes the printing of a group of Braille dots.

[0021] Compared with the prior art, the advantages of the present application are:

[0022] 1. The present application discloses a Braille printing device, which uses thermoplastic molding to mold on the thermoplastic printing paper, and deforms the thermoplastic printing paper by mutual extrusion of the Braille dot printing unit and the heating module to print Braille dots on the thermoplastic printing paper. The printed Braille dots are not easy to rebound, and can still retain clear concave-convex effects after long-time and multiple touch reading, are durable, and have a large height-diameter ratio, a height of 0.5 mm, a height-diameter ratio of 0.8, and smooth and round Braille dots.

[0023] 2. The present application provides a small and low-cost Braille printing device, which can print one or several lines of Braille dots of small size through modular disassembly and assembly, meet different printing needs and printing length, enrich the diversity of printed products at low cost, facilitate the printing of Braille labels by the blind group, and improve the convenience of daily life; it is suitable for the blind group to purchase and use for printing a small amount of text, small printed matter and labels in multiple scenarios.

[0024] 3. The present application also provides a preparation method of Braille printed matter, which uses specific thermoplastic molding processing conditions to print Braille printed matter without using additional ink or hard cowhide printing paper, and is simple, convenient and practical in operation. The printed Braille dots are not easy to rebound, and can still retain clearness after long-time and multiple touch reading, and are especially suitable for printing and application promotion of small Braille printed matter. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0026] Figure 2 It is a schematic diagram of the overall structure of the present application after installing the thermoplastic printing paper roll;

[0027] Figure 3 is the structure diagram of the heating module on the base of the present application;

[0028] Figure 4 is the structure diagram of the inside of the rotating wheel of the present application;

[0029] Figure 5 is the structure diagram of the side of the independent controller of the present application;

[0030] Figure 6 is the structure diagram of the working side of the rotating wheel of the present application;

[0031] Figure 7 is the Braille contrast chart. DETAILED DESCRIPTION

[0032] The present application will be further described in detail below with reference to the examples of the accompanying drawings.

[0033] Example 1

[0034] The overall structure of the Braille printing device is shown in Figure 1 , which comprises a base 1, three parallel transmission channels 2 for the passage of thermoplastic printing paper are provided on the base 1, an upper paper unit 3, a positioning device 4 and a cutting unit 6 are sequentially arranged from front to back on the transmission channels 2, and a thermoplastic forming printing device is arranged on the transmission channels 2 between the positioning device 4 and the cutting unit 6.

[0035] The thermoplastic forming printing device comprises a Braille printing device 5 and a heating module 7, the Braille printing device 5 comprises a rotating rod 51, three rotating wheels 53 are connected in series through a connecting mechanism 52 and arranged on the rotating rod 51, and a motor 54 is arranged at one end of the rotating rod 51, the rotating wheel 53 is fixedly arranged above the transmission channel 2, twelve groups of Braille dot printing units are uniformly arranged on the peripheral wall of the rotating wheel 53, one group of Braille dot printing units is arranged to be tangent to the heating module 7 at the beginning of printing, the motor 54 is used to drive the rotating wheel 53 to rotate so that each group of Braille dot printing units in the printing process can be tangent to the heating module 7, and the front end of the connecting mechanism 52 is connected with the corresponding twelve groups of independent controllers 21.

[0036] The connecting mechanism 52 comprises an annular panel 521 arranged between the rotating wheel 53 and the rotating rod 51 and a connecting rod 522, the connecting rod 522 penetrates the annular panel 521 and connects the independent controller 21, six telescopic motors 211 are arranged inside the independent controller 21 and arranged in the form of three rows and two columns.

[0037] Each Braille printing unit is composed of six strikers 531 arranged in a three-row two-column manner corresponding to the telescopic motor 211, and the spring 532 is arranged on the wall of the rotating wheel 53 and wrapped around the outer surface of the striker 531. The telescopic motor 211 leaves a convex dot mark on the thermoplastic printing paper by striking the striker 531, thereby printing Braille.

[0038] The heating module 7 includes a heating base 71 embedded on the conveying channel 2, an electric heating wire 72 arranged on the heating base 71, and a sponge layer 73 with a thickness of 1.0 mm covering the electric heating wire 72. The heating module 7 can be in different temperature levels by controlling the size of the current flowing through the electric heating wire 72.

[0039] Specifically, the thickness of the sponge layer 73 can be selected from the range of 1.0-1.5 mm, preferably 1.0 mm; the sponge layer 73 is a polyurethane high-density heat-resistant sponge, which has the characteristics of continuous work and high temperature without significant change in performance, is commonly used for flame retardation, has a burning point of 415℃, and will not be burned out at the working temperature of the device, and has good heat conduction performance. The sponge layer 73 can ensure that the striker 531 has enough buffer area for downward pressure during stamping and thermoplastic process, and the thermoplastic printing paper has enough space for downward deformation.

[0040] Specifically, the positioning device 4 is a cylindrical steel rod fixedly arranged on the conveying channel 2 for clamping the printing paper, which can ensure that the content printed by each roller can be aligned.

[0041] Specifically, the cutting unit 6 is a row of 40 mm steel serrations at the outlet of the thermoplastic printing paper, which helps to cut the thermoplastic printing paper after printing is completed.

[0042] Specifically, the conveying channel 2 is a slightly larger than the width of the printing paper, which clamps the thermoplastic printing paper during transmission, so that the thermoplastic printing paper can only be transmitted along the X-axis direction and cannot be shaken in the Y-axis and Z-axis directions, thereby ensuring the neatness of the printed content.

[0043] Specifically, the material of the thermoplastic printing paper is a thermoplastic resin-based composite material (FRTP), and the thickness can be 0.15-0.3 mm; specifically, a thermoplastic printing paper with back adhesive can also be selected, the back adhesive material is heat-conducting glass fiber cloth, the thickness of the thermoplastic printing paper is 0.15 mm, the thickness of the back adhesive is 0.15 mm, and the thermal conductivity coefficient is 0.3 w; the width of the printing paper can be selected within the range of 20-35 mm according to the printed content.

[0044] Example Two:

[0045] The rest is the same as example one, the difference is:

[0046] The paper feeding unit 3 is fixed at one end of the base 1 by a vertical rod 31, and a cylindrical roller 32 is fixed on the vertical rod 31. The thermoplastic printing paper is placed on the cylindrical roller 32 and is driven forward along the conveying channel 2 by the rotating wheel 53.

[0047] Embodiment three:

[0048] A method for preparing a Braille printed matter, comprising the following steps:

[0049] (1) Paper feeding process: the thermoplastic printing paper roll is placed on the cylindrical roller 32 of the paper feeding unit 3, and is inserted from below the cylindrical steel rod of the positioning device 4 and placed at the conveying channel 2. The thermoplastic printing paper is sent to the printing area by the power provided by the Braille printing device 5, and the paper feeding process is completed.

[0050] (2) Thermoplastic printing: after the thermoplastic printing paper reaches the printing area, the heating base 71 supplies power to the electric heating wire 72 in the heating module 7. After 3-5 seconds of power supply, the temperature reaches a stable temperature of 210℃, and the temperature of the thermoplastic printing paper above the heating module 7 is heated to 170-180℃. A group of Braille dot printing units are set to be tangent to the heating module 7 at the beginning of printing, and then the Braille printing device 5 is started. The motor 54 drives the rotating wheel 53 to rotate, for example, when the rotating wheel rotates by 30°, the rotating wheel rotates to a position where a Braille dot printing unit is tangent to the heating module 7 on the base 1. The control motor 54 stops the rotation of the rotating wheel 53. At this time, the independent controller 21 corresponds to the Braille dot printing unit, and the six telescopic motors 211 of the independent controller 21 press the striker 531 in the corresponding Braille dot printing unit according to the electrical signal. The striker 531 punches the heated thermoplastic printing paper downward and molds a recessed Braille dot. At this time, the spring 532 is compressed and accumulates elastic potential energy, so that the telescopic motor 211 resets, and the spring 532 releases the elastic potential energy and resets the striker 531. At this time, a group of Braille dot printing is completed. The rotating wheel 53 continues to rotate, and when the next group of Braille dot printing units in the rotating wheel 53 rotates to a position tangent to the heating module 7 on the base 1, the above process is repeated to print the next group of Braille dots.

[0051] (3) Cutting and recycling: after the thermoplastic printing paper completes the printing process, it is driven forward by the friction generated by the rotation of the rotating wheel, and reaches the cutting unit 6 to cut the printed product for use.

[0052] The six telescopic motors 211 of the independent controller 21 press the corresponding blind dot printing unit's striker 531 according to the electrical signal. The operation according to the electrical signal is to convert the blind dot to be printed into an electrical signal input into the independent controller 21, control the independent controller 21 to correspond to each group of blind dot printing units in the rotating wheel 53 and press down; the blind printing device converts the black and white signals of the six blind dots generated by the contact between the striker 531 of each blind dot printing unit and the independent controller 21 into 1 and 0 of the electrical signal, and corresponds to the electrical signal in the six telescopic motors 211 of the independent controller 21 one by one. When printing, the electrical signal 1 corresponds to the telescopic motor 211 energized for 0.2s, and the electrical signal 0 corresponds to the telescopic motor 211 not energized.

[0053] Figure 7 It is a Braille contrast chart. The corresponding Braille dots of English letters, numbers, punctuation marks, etc. can be contrasted. When the rotating wheel 53 rotates to a group of blind dot printing units tangent to the heating module 7, the six telescopic motors in the independent controller 211 correspond to the six strikers in the blind dot printing unit one by one, and the six strikers in a group of blind dot printing units correspond to the six dots in a group of blind dots to be printed one by one; for example Figure 7 The Braille symbol of "B" in the above, among the six dots of a group of blind dots, 1 and 2 need to be printed, and 3, 4, 5 and 6 do not need to be printed; when the rotating wheel 53 rotates to a group of blind dot printing units tangent to the heating module 7, 1 and 2 in the telescopic motor 211 of the independent controller 21 are energized to stretch once, control the 1 and 2 strikers in the blind dot printing unit to press down, and the two strikers press out the concave-convex shape on the heated thermoplastic printing paper, and then are lifted by the spring 532 to reset. The 3, 4, 5 and 6 positions in the telescopic motor are not energized and do not change, so the corresponding four strikers are not pressed down; at this time, the 1 and 2 dot positions of the Braille dot on the printing paper are printed with concave-convex shape, and the remaining four dot positions are not printed. This process completes the printing of "B". Since the striker 531 is reset by the spring 532, it will not affect the rotation of the rotating wheel 53, so the rotating wheel 53 can continue to rotate to print the next group of blind dots.

[0054] Each rotating wheel 53 includes twelve groups of blind dot printing units. The interval between the blind dot printing units is slightly larger than the interval between the two columns of strikers 531 in the unit. The printed Braille dots can meet the "National General Braille Scheme" issued by the Ministry of Education of the People's Republic of China in 2018; and the rotating wheel 53 can be modularly disassembled, and different numbers of rotating wheels 53 can be disassembled according to the size and number of lines of the printed content.

[0055] The firing pin 531 of the embodiment can extend by 0.5 mm, and the height-diameter ratio of the extendable part is 0.8; each firing pin 531 is controlled to be pressed down by the telescopic motor 211 in the independent controller 21, and a spring 532 is wound on the outer surface of the firing pin 531, so that the firing pin 531 can rebound automatically after being pressed down; when the firing pin 531 in the Braille dot printing unit is pressed to print the molding material, the thermoplastic printing paper is heated to a temperature range suitable for stamping, and the thermoplastic printing paper is stamped by the firing pin to form the concave-convex effect of Braille dots.

[0056] When the thermoplastic printing paper without adhesive is used, the electric heating wire 72 in the heating module 7 is powered on for 3-5 s to reach a stable temperature of 200 DEG C, and the temperature of the thermoplastic printing paper above the heating module 7 is heated to 170-180 DEG C; the temperature can meet the temperature requirement of the thermoplastic molding of the PVC material, and the material will not be excessively melted and difficult to demold and separated from the firing pin; when the thermoplastic printing paper with adhesive is used, the electric heating wire 72 in the heating module 7 is powered on for 5-7 s to reach a stable temperature of 220 DEG C, and the adhesive layer of the thermoplastic printing paper above the heating module 7 is heated to 180 DEG C, and the thermoplastic printing paper is heated to 170-180 DEG C through heat transfer of the adhesive layer; the temperature does not exceed the short-term temperature resistance temperature of the heat-conductive adhesive, and the adhesive will not be melted and denatured, and the temperature requirement of the thermoplastic molding of the PVC material can be met, and the material will not be excessively melted and difficult to demold and separated from the firing pin. Therefore, the specific heating temperature of the thermoplastic printing paper of the present application can avoid the decomposition of the PVC, excessive melting, difficulty in demolding and separation from the firing pin, and the occurrence of the conditions such as yellowing, discoloration and foaming of the printing paper product.

[0057] The Braille printing device of the present application can print Braille on the thermoplastic printing paper through the thermoplastic molding printing device, and according to the length of the printed content, a plurality of printing modules can be installed to work together.

[0058] The thermoplastic printing paper is printed with concave-convex Braille dots through the thermoplastic molding under the joint action of the rotating wheel 53 and the heating module 7, and there is still a track of 80 mm before the printing paper product leaves the printing device, so that the printing paper product can be cooled and shaped at room temperature before contacting the user, and the concave-convex effect of the printed Braille dots is hardened and does not rebound.

[0059] The rotating wheel 53 is fixedly installed above the heating module 7 and always tangent to the heating module, and the position is adjusted when the rotating wheel 53 is installed to ensure that the Braille dot printing unit is tangent to the heating module 7, and the rotating wheel rotates by a specific angle each time in the subsequent rotation, so that a group of Braille dot printing units are tangent to the heating module 7 after each rotation.

[0060] Further, after completing all the printing content, the user can pull out the printing product outward by himself / herself, press the printing paper at a suitable position on the cutting unit 6, and cut the printing product to use.

Claims

1. A Braille printing device comprising a base, a plurality of conveying passages for thermoplastic printing paper to pass through are formed in the base, a paper feeding unit and a cutting unit are respectively arranged at two ends of the conveying passages, characterized in that The upper paper unit and the cutting unit are provided with a thermoplastic forming printing device, the thermoplastic forming printing device comprises a Braille printing device and a heating module, the Braille printing device is provided with a plurality of groups of Braille dot printing units, the heating module is embedded on the conveying channel, the Braille dot printing units and the heating module are extruded to deform the thermoplastic printing paper to print Braille dots on the thermoplastic printing paper, the Braille printing device comprises a rotating rod, at least one rotating wheel which is connected by a connecting mechanism and is arranged on the rotating rod, and a motor which is arranged at one end of the rotating rod, the rotating wheel is fixedly arranged above the conveying channel, a lifting mechanism is arranged on the Braille printing device, the lifting mechanism is used for resetting the Braille printing device after printing, a plurality of groups of the Braille dot printing units are uniformly and spacedly arranged on the peripheral wall of the rotating wheel, one group of the Braille dot printing units is tangent to the heating module at the beginning of printing, the motor drives the rotating wheel to rotate so that any Braille dot printing unit can be tangent to the heating module during printing, the front end of the connecting mechanism is connected with independent controllers corresponding in number and position to the Braille dot printing units, and the independent controllers impact the Braille dot printing units to print Braille dots on the thermoplastic printing paper.

2. A Braille printing device as claimed in claim 1, characterized in that The connecting mechanism comprises an annular panel and a connecting rod which are arranged between the rotating wheel and the rotating rod, the connecting rod penetrates the annular panel and connects the independent controllers, a plurality of telescopic motors are arranged in the independent controllers, the Braille dot printing units are composed of a plurality of plungers corresponding in number and position to the telescopic motors, and the telescopic motors leave convex dot imprints on the thermoplastic printing paper by impacting the plungers, so that Braille dots are printed.

3. A Braille printing device as claimed in claim 2, characterized in that The lifting mechanism is a spring which is fixedly arranged on the peripheral wall of the rotating wheel and is wound on the outer surface of the plunger, and the spring is used for resetting the telescopic motor after printing.

4. A Braille printing device according to claim 1 or 2 or 3, characterized in that The heating module comprises a heating base which is embedded on the conveying channel, an electric heating wire which is arranged on the heating base, and a sponge layer which has a thickness of 1.0-1.5 mm and covers the electric heating wire.

5. A Braille printing device as claimed in claim 1, characterized in that A positioning device is further arranged on the conveying channel, the positioning device is located between the upper paper unit and the thermoplastic forming printing device, and the positioning device is used for fixing the thermoplastic printing paper to move along the conveying channel.

6. A Braille printing device as claimed in claim 1, characterized in that The upper paper unit is fixed at one end of the base through a vertical rod, a cylindrical roller is fixedly arranged on the vertical rod, and the thermoplastic printing paper is wound on the cylindrical roller.

7. A Braille printing device as claimed in claim 1, characterized in that The material of the thermoplastic printing paper is a thermoplastic resin-based composite material.

8. A method of producing a Braille print, characterized by The method comprises the following steps: S1 paper process: the thermoplastic printing paper roll is placed on the cylindrical roller of the paper unit, fixed and placed on the transmission channel by the positioning device, and sent to the printing area by the Braille printing device to complete the paper process; S2 thermoplastic printing: after the thermoplastic printing paper reaches the printing area, the electric heating wire in the heating module is powered on, and the temperature reaches 200-220℃ after 3-5s, at which time the temperature of the thermoplastic printing paper on the heating module is 170-180℃; Then start the Braille printing device, and the motor drives the rotating wheel to rotate, when the rotating wheel rotates to the position tangent to any group of Braille dot printing units and the heating module on the base, control the motor to stop rotating, at this time the independent controller corresponds to the Braille dot printing unit, control the independent controller to press the corresponding Braille dot printing unit and mold on the thermoplastic printing paper to print the recessed Braille dot, the lifting device lifts and resets the rotating wheel, and the printing of a group of Braille dots is completed, the motor controls the rotating wheel to continue to rotate, and the above process is repeated to print the next group of Braille dots; S3 cutting and recycling: after the thermoplastic printing paper completes the printing process, it is driven forward by the friction generated by the rotating wheel, reaches the cutting unit, and is cut off to be used.

9. A method of producing a Braille print according to claim 8, characterized in that The six telescopic motors of the independent controller in step S2 press the firing pin in the corresponding Braille dot printing unit, the firing pin punches the heated thermoplastic printing paper downward, and the molded thermoplastic printing paper prints the recessed Braille dot, at which time the spring is extruded and accumulates elastic potential energy, the telescopic motor resets, the spring releases the elastic potential energy and resets the firing pin, and the printing of a group of Braille dots is completed.

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