CN206663999U - Digital printer and its drive mechanism and synchronous belt tightness adjustment assembly - Google Patents

Abstract

The utility model relates to a digital printer and actuating mechanism and hold-in range elasticity adjustment assembly thereof. The tightness adjusting assembly of the synchronous belt comprises a mounting seat, a base, a first adjusting screw, a second adjusting screw and a third adjusting screw; the mounting seat is used for being fixedly connected with the motor; a first threaded hole is formed in the mounting seat; the base is used for being fixedly installed on the equipment body, a connecting through hole corresponding to the first threaded hole is formed in the base, a second threaded hole and a third threaded hole are further formed in the base, and the second threaded hole and the third threaded hole are located on two sides of the connecting through hole in an opposite mode; the first adjusting screw penetrates through the connecting through hole and the first threaded hole; a second adjusting screw penetrates into the second threaded hole, and one end of the second adjusting screw is abutted to the mounting seat; and the third adjusting screw penetrates into the third threaded hole, and one end of the third adjusting screw is abutted to the mounting seat. Above-mentioned hold-in range elasticity adjustment subassembly simple structure, convenient to use, the elasticity that can accurate, quick adjustment hold-in range, and then can guarantee digital printer's the printing precision.

Description

Digital printer and its drive mechanism and synchronous belt tightness adjustment assembly

technical field

The utility model relates to the technical field of printers, in particular to a digital printer, its drive mechanism and a synchronous belt tightness adjustment assembly.

Background technique

A digital printer is a printing device that prints and dyes by jetting ink. When printing, the user positions the printed item on the object placing platform, and the inkjet trolley moves in the X-axis and Y-axis directions to perform inkjet printing on the printed objects on the object placing platform.

The driving mechanism drives the inkjet carriage to move through the motor in cooperation with the synchronous wheel and the synchronous belt. During the installation and use of the synchronous belt, there will be looseness, which will affect the accuracy of the transmission, and then will affect the printing accuracy of the digital printer.

Utility model content

Based on this, it is necessary to address the above technical problems and provide a digital printer capable of accurately and quickly adjusting the tightness of the timing belt, its driving mechanism and a timing belt tightness adjustment assembly.

A synchronous belt tightness adjustment assembly is used to install a motor equipped with a synchronous belt on the equipment body, the synchronous belt tightness adjustment assembly includes a mounting seat, a base, a first adjustment screw, a second adjustment screw and a second adjustment screw. Three adjustment screws;

The mounting base is used for fixed connection with the motor; the mounting base is provided with a first threaded hole;

The base is used for fixed installation on the device body, the base is provided with a connection through hole corresponding to the first threaded hole, and the base is also provided with a second threaded hole and a second threaded hole. Three threaded holes, the second threaded hole and the third threaded hole are located on opposite sides of the connecting through hole;

The first adjusting screw penetrates into the connecting through hole and the first threaded hole; the second adjusting screw penetrates into the second threaded hole, and one end of the second adjusting screw abuts against the mounting seat connected; the third adjusting screw passes through the third threaded hole, and one end of the third adjusting screw abuts against the mounting seat.

In one of the embodiments, the first adjusting screw, the second adjusting screw and the third adjusting screw are arranged in parallel, and the first adjusting screw is located between the second adjusting screw and the third adjusting screw. middle position.

In one embodiment, the pitches of the first adjusting screw, the second adjusting screw and the third adjusting screw are all 0.5 mm to 2 mm.

In one of the embodiments, the mounting base includes a first mounting plate and a second mounting plate, the first mounting plate and the second mounting plate are vertically connected, and the first threaded hole is located on the first mounting plate board;

The base includes a first substrate and a second substrate, the first substrate and the second substrate are vertically connected, and the second threaded hole and the third threaded hole are located on the first substrate;

Wherein, one side of the second mounting plate is in contact with one side of the second base plate, and when the mounting base and the base move relatively, the second mounting plate and the second base plate are opposite to each other. slide.

In one of the embodiments, a guide groove is opened on the second mounting plate, and the extending direction of the guiding groove is consistent with the extending direction of the first adjusting screw;

A guide block is provided on the second base plate, the guide block is located in the guide groove, and when the second mounting plate and the second base plate slide relative to each other, the guide block slides in the guide groove .

In one of the embodiments, the mounting base further includes a third mounting plate, the third mounting plate is vertically connected to the first mounting plate and the second mounting plate respectively, and the third mounting plate is used for Install the motor.

In one of the embodiments, the base further includes a reinforcing plate, and the reinforcing plate is vertically connected to the first base plate and the second base plate respectively.

In one of the embodiments, the first adjusting screw, the second adjusting screw and the third adjusting screw all include a head and a shaft, and the first adjusting screw, the second adjusting screw and the The heads of the third adjusting screws are all located on a side of the first base plate away from the first mounting plate.

A drive mechanism, used to be installed on the device body, the drive mechanism includes the timing belt tightness adjustment assembly, a motor, a first synchronous wheel, a second synchronous wheel, a third synchronous wheel, a first synchronous belt and the second timing belt;

The base is used to be fixedly installed on the device body, the mounting seat is fixedly connected to the motor; the first synchronous wheel is connected to the motor, and the motor drives the first synchronous wheel to rotate, The second synchronous wheel and the third synchronous wheel are installed on the device body, and the second synchronous wheel and the third synchronous wheel are coaxially fixedly connected; the first synchronous belt is sleeved on the The first synchronous wheel and the second synchronous wheel, the second synchronous belt is sleeved on the third synchronous wheel.

A digital printer, comprising a platform, an inkjet assembly and the drive mechanism;

The platform is used to place printed items, the inkjet assembly is located above the platform, and the inkjet assembly is used to inkjet print items on the platform; the second timing belt drives the inkjet assembly Move over said platform.

The above-mentioned digital printer, its driving mechanism and the timing belt tightness adjustment assembly can adjust the distance between the mounting base and the base by turning the first adjusting screw, thereby adjusting the tightness of the timing belt driven by the motor. The second adjusting screw and the third adjusting screw bear against the mounting seat to form a fastening structure with one pull and two tops to prevent loosening between the mounting seat and the base during long-term use of the motor. The synchronous belt tightness adjustment assembly is simple in structure and easy to use, and can accurately and quickly adjust the tightness of the synchronous belt, thereby ensuring the printing accuracy of the digital printer.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain the drawings of other embodiments according to these drawings without creative work.

Fig. 1 is a three-dimensional schematic diagram of a digital printer in an embodiment;

Fig. 2 is a three-dimensional schematic diagram of the driving mechanism of the digital printer shown in Fig. 1;

FIG. 3 is a schematic cross-sectional view of a synchronous belt tightness adjustment assembly of the digital printer shown in FIG. 1 .

detailed description

In order to facilitate the understanding of the present invention, the digital printer, its driving mechanism and the synchronous belt tightness adjustment assembly will be more fully described below with reference to the relevant drawings. The preferred embodiment of the digital printer, its driving mechanism and the synchronous belt tightness adjustment assembly is given in the accompanying drawings. However, the digital printer, its driving mechanism and the synchronous belt tension adjustment assembly can be implemented in many different forms, and are not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the digital printer and its driving mechanism and the synchronous belt tension adjustment assembly more thorough and comprehensive.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of this invention. The terminology used herein in the specification of the digital printer, its driving mechanism and the synchronous belt tension adjustment assembly is only for the purpose of describing specific embodiments, and is not intended to limit the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in FIG. 1 and FIG. 2 , a digital printer 10 in one embodiment includes a platform 12 , an inkjet assembly 14 and a driving mechanism 16 . The platform 12 is used to place printed items, the inkjet assembly 14 is located above the platform 12 , and the inkjet assembly 14 is used to inkjet print the items on the platform 12 . The driving mechanism 16 drives the inkjet assembly 14 to move above the platform 12 .

Referring to FIG. 2 , the driving mechanism 16 includes a synchronous belt tightness adjustment assembly 100 , a motor 200 , a first synchronous wheel 300 , a second synchronous wheel 400 , a third synchronous wheel 500 , a first synchronous belt 600 and a second synchronous belt 700 . The synchronous belt tightness adjustment assembly 100 is used to install the motor 200 on the device body. In the embodiment of the digital printer 10, the device body is a platform 12. In other embodiments, the synchronous belt tightness adjustment assembly 100 and its The driving mechanism 16 can also be applied to other equipment and instruments.

Also referring to FIG. 3 , the synchronous belt tightness adjustment assembly 100 includes a mounting base 120 , a base 140 , a first adjusting screw 160 , a second adjusting screw 180 and a third adjusting screw 190 . The mounting base 120 is fixedly connected with the motor 200. A first threaded hole 122 is defined on the mounting base 120 . The base 140 is fixedly installed on the device body, and the base 140 is provided with a connection through hole 142 corresponding to the first threaded hole 122, and the base 140 is also provided with a second threaded hole 144 and a third threaded hole 146, The second threaded hole 144 and the third threaded hole 146 are located on opposite sides of the connecting through hole 142 . The first adjusting screw 160 is inserted into the connection through hole 142 and the first threaded hole 122 . The second adjusting screw 180 passes through the second threaded hole 144 , and one end of the second adjusting screw 180 abuts against the mounting base 120 . The third adjusting screw 190 passes through the third threaded hole 146 , and one end of the third adjusting screw 190 abuts against the mounting base 120 .

The first synchronous wheel 300 is connected with the motor 200, the motor 200 drives the first synchronous wheel 300 to rotate, the second synchronous wheel 400 and the third synchronous wheel 500 are installed on the device body, and the second synchronous wheel 400 and the third synchronous wheel 500 are the same The shaft is fixedly connected. The first synchronous belt 600 is set on the first synchronous wheel 300 and the second synchronous wheel 400 , and the second synchronous belt 700 is set on the third synchronous wheel 500 . When the motor 200 drives the first synchronous wheel 300 to rotate, the first synchronous belt 600 drives the second synchronous wheel 400 to rotate, the second synchronous wheel 400 drives the third synchronous wheel 500 to rotate, and then the third synchronous wheel 500 drives the second synchronous belt 700 In operation, the second synchronous belt 700 drives the inkjet assembly 14 to move above the platform 12 . The rotation axes of the first synchronous wheel 300 and the second synchronous wheel 400 are generally parallel.

The timing belt tightness adjusting assembly 100 can adjust the tightness of the first timing belt 600 . Specifically, the distance between the mounting base 120 and the base 140 can be adjusted by turning the first adjusting screw 160 , thereby adjusting the tightness of the first synchronous belt 600 driven by the motor 200 . The second adjusting screw 180 and the third adjusting screw 190 bear against the mounting base 120 to form a fastening structure with one pull and two tops to prevent loosening between the mounting base 120 and the base 140 during long-term use of the motor 200 . The timing belt tightness adjustment assembly 100 is simple in structure and easy to use, and can accurately and quickly adjust the tightness of the first timing belt 600 , thereby ensuring the printing accuracy of the digital printer 10 .

In one embodiment, the first adjusting screw 160 , the second adjusting screw 180 and the third adjusting screw 190 are arranged in parallel, and the first adjusting screw 160 may be located in the middle of the second adjusting screw 180 and the third adjusting screw 190 , The mounting seat 120 and the base 140 are balanced in force, which is more conducive to the stability of the structure. Of course, in other embodiments, the first adjusting screw 160, the second adjusting screw 180 and the third adjusting screw 190 are not parallel or the position of the first adjusting screw 160 deviates from the position of the second adjusting screw 180 and the third adjusting screw 190. The tightness of the first synchronous belt 600 can be precisely and quickly adjusted as long as the adjustment and fastening structure of one pull and two tops can be formed.

The above-mentioned first adjusting screw 160, second adjusting screw 180 and third adjusting screw 190 can all include a head and a rod, and the heads of the first adjusting screw 160, the second adjusting screw 180 and the third adjusting screw 190 are all located at the first adjusting screw 190. A side of the substrate 148 away from the first mounting board 124 . The tightness of the synchronous belt can be adjusted by turning the head of the screw with a wrench, which is convenient to use.

In order to fully realize the fine adjustment, in one embodiment, the pitches of the first adjusting screw 160 , the second adjusting screw 180 and the third adjusting screw 190 are all 0.5 mm to 2 mm. Further, in one embodiment, the first adjusting screw 160, the second adjusting screw 180 and the third adjusting screw 190 can all use M6 standard screws with a tooth pitch of 1 mm, that is, the screw rotates 360 degrees and the adjustment distance is 1 mm. In the process of adjusting the tightness of the synchronous belt, the fine adjustment can be fully realized by rotating the screw, which further improves the precision of the tightness of the synchronous belt.

Referring to Fig. 2 again, in one of the embodiments, the mounting base 120 includes a first mounting plate 124 and a second mounting plate 126, the first mounting plate 124 and the second mounting plate 126 are vertically connected, and the first threaded hole 122 is located at the first Mounting plate 124. The base 140 includes a first base plate 148 and a second base plate 152 , the first base plate 148 and the second base plate 152 are vertically connected, and the second threaded hole 144 and the third threaded hole 146 are located on the first base plate 148 . Wherein, one side of the second mounting plate 126 is in contact with one side of the second base plate 152, and when the mounting seat 120 and the base 140 move relatively, the second mounting plate 126 and the second base plate 152 slide relatively, thereby improving the stability of the structure sex.

Further, in one embodiment, the second mounting plate 126 is provided with a guiding groove 128 , and the extending direction of the guiding groove 128 is consistent with the extending direction of the first adjusting screw 160 . A guide block is disposed on the second base plate 152 , and the guide block is located in the guide groove 128 . When the second mounting plate 126 and the second base plate 152 slide relative to each other, the guide block slides in the guide groove 128 . The guide groove 128 and the guide block can limit the moving direction of the mounting base 120, preventing the first synchronous wheel 300 from the second synchronous wheel 400 (or the third synchronous wheel 500) from being uneven due to uneven force during adjustment or operation. Not parallel.

In one of the embodiments, the mounting base 120 may further include a third mounting plate 129, the third mounting plate 129 is vertically connected with the first mounting plate 124 and the second mounting plate 126 respectively, and the third mounting plate 129 is used for mounting the motor 200 , and at the same time, the third mounting plate 129 can strengthen the connection between the first mounting plate 124 and the second mounting plate 126 and improve the overall structural strength of the mounting base 120 . Similarly, in an embodiment, the base 140 may further include a reinforcing plate 154 vertically connected to the first base plate 148 and the second base plate 152 respectively, so as to improve the overall structural strength of the base 140 . Two reinforcing plates 154 can be provided, and the two reinforcing plates 154 are respectively located on both sides of the mounting seat 120, so that the effect of improving the structural strength is better.

The technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, should be considered as within the scope of this specification.

The above-mentioned embodiments only express several implementation modes of the utility model, and the description thereof is relatively specific and detailed, but it should not be interpreted as a limitation on the patent scope of the utility model. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the scope of protection of the utility model patent should be based on the appended claims.

Claims (10)

1. a kind of tightness of synchronous belt degree adjusts component, for the motor for being provided with timing belt to be arranged on into apparatus body, it is special Sign is, the tightness of synchronous belt degree adjustment component includes mounting seat, pedestal, the first set screw, the second set screw and the Three set screws；

The mounting seat is used to be fixedly connected with the motor；The first screwed hole is offered in the mounting seat；

The pedestal is used to be fixedly mounted on the apparatus body, is offered on the pedestal relative with first screwed hole The connection through hole answered, the second screwed hole and the 3rd screwed hole, second screwed hole and described are further opened with the pedestal The relative both sides for being located at the connection through hole of three screwed holes；

First set screw penetrates the connection through hole and first screwed hole；Second set screw penetrates described Second screwed hole, one end of second set screw abut with the mounting seat；3rd set screw penetrates described Three screwed holes, one end of the 3rd set screw abut with the mounting seat.

2. tightness of synchronous belt degree according to claim 1 adjusts component, it is characterised in that first set screw, institute State the second set screw and the 3rd set screw be arranged in parallel, first set screw is located at second set screw With the centre position of the 3rd set screw.

3. tightness of synchronous belt degree according to claim 1 adjusts component, it is characterised in that first set screw, institute The tooth of the second set screw and the 3rd set screw is stated away from being 0.5mm to 2mm.

4. the tightness of synchronous belt degree adjustment component according to any one of claims 1 to 3, it is characterised in that the mounting seat Including the first installing plate and the second installing plate, first installing plate and the second installing plate vertical connection, first spiral shell Pit is located on first installing plate；

The pedestal includes first substrate and second substrate, the first substrate and the second substrate vertical connection, and described Two screwed holes and the 3rd screwed hole are respectively positioned on the first substrate；

Wherein, the side of second installing plate and the side of the second substrate are in contact, when the mounting seat and the base During seat relative movement, second installing plate and the relative slip of the second substrate.

5. tightness of synchronous belt degree according to claim 4 adjusts component, it is characterised in that is opened up on second installing plate There is a guide groove, the bearing of trend of the guide groove is consistent with the bearing of trend of first set screw；

Guide pad is provided with the second substrate, the guide pad is located in the guide groove, when second installing plate and When the second substrate slides relatively, the guide pad slides in the guide groove.

6. tightness of synchronous belt degree according to claim 4 adjusts component, it is characterised in that the mounting seat also includes the 3rd Installing plate, the 3rd installing plate are pacified with first installing plate and the second installing plate vertical connection, the described 3rd respectively Loading board is used to install the motor.

7. tightness of synchronous belt degree according to claim 4 adjusts component, it is characterised in that the pedestal also includes strengthening Plate, the reinforcing plate respectively with the first substrate and the second substrate vertical connection.

8. tightness of synchronous belt degree according to claim 4 adjusts component, it is characterised in that first set screw, institute Stating the second set screw and the 3rd set screw includes head and bar portion, and first set screw, described second are adjusted The head of section screw and the 3rd set screw is respectively positioned on the one of remote first installing plate of the first substrate Side.

9. a kind of drive mechanism, for installed in apparatus body, it is characterised in that the drive mechanism includes such as claim Tightness of synchronous belt degree adjustment component described in 1 to 8 any one, and motor, the first synchronizing wheel, the second synchronizing wheel, the 3rd are synchronously Wheel, the first timing belt and the second timing belt；

The pedestal is used to be fixedly mounted on the apparatus body, and the mounting seat is fixedly connected with the motor；Described One synchronizing wheel and the motor connection, the motor drive first synchronizing wheel to rotate, second synchronizing wheel and described the Three synchronizing wheels are arranged on the apparatus body, and second synchronizing wheel and the 3rd synchronizing wheel are fixedly and coaxially connected；Institute State the first timing belt and be set in first synchronizing wheel and second synchronizing wheel, second timing belt is set in the described 3rd In synchronizing wheel.

10. a kind of digital-code printer, it is characterised in that including platform, inkjet component and driving machine as claimed in claim 9 Structure；

The platform is used to place printed matter Products, and the inkjet component be located above the platform, the inkjet component for pair Article inkjet printing on the platform；Second timing belt drives the inkjet component just to move on the platform.