CN213558011U

CN213558011U - Ink coating wheel driving device

Info

Publication number: CN213558011U
Application number: CN202021892050.2U
Authority: CN
Inventors: 陈安顺
Original assignee: Group Up Industrial Co ltd
Current assignee: Group Up Industrial Co ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-06-29
Anticipated expiration: 2030-09-02

Abstract

The utility model provides an ink coating wheel driving device, which is used for driving an ink coating wheel to coat ink on a circuit board and comprises a shaft coupling, a motor and an axial movement transmission component arranged between the shaft coupling and the motor, wherein the axial movement transmission component comprises a rotary seat, a spline shaft and a shaft sleeve, the rotary seat is arranged on a rotating shaft of the motor, the spline shaft is provided with a shaft connecting end, a free end and a connecting section connected between the shaft connecting end and the free end, the shaft connecting end is connected with the shaft coupling, the free end is positioned in a groove of the rotary seat and can axially move in the groove, the shaft sleeve is sleeved on an opening of the groove, the shaft sleeve is provided with a perforation groove, the connecting section of the spline shaft is inserted in the perforation groove and can axially move in the perforation groove, and by means of the design that the spline shaft can axially move, the shaft coupling connected with the spline shaft can move axially, so that the aim of quickly disassembling and assembling the ink coating wheel can be fulfilled.

Description

Ink coating wheel driving device

Technical Field

The utility model relates to a drive arrangement that is used for printing ink coating wheel of coating printing ink on circuit board indicates to have ability quick assembly disassembly printing ink coating wheel and can avoid the crooked printing ink coating wheel drive arrangement of circuit board especially.

Background

In the manufacturing process of the printed circuit board, the substrate needs to be coated with ink, then the substrate coated with the ink is conveyed to an oven to be dried, and then the substrate is exposed and developed to expose the circuit layout of the circuit.

In the above ink application process, the ink layer can be uniformly applied to the substrate by pressing the substrate between two ink application rollers for applying the ink. The conventional driving device for driving the two ink coating wheels to rotate comprises a motor and two sets of gear transmission modules meshed with the motor, wherein the two sets of gear transmission modules are respectively meshed with the two ink coating wheels. In the prior art, a single motor and two sets of gear transmission modules are used to drive two ink coating wheels to rotate simultaneously.

However, the conventional two-roller driving device is inconvenient in replacing the roller, and the roller must be replaced after the gear transmission module is removed. In addition, because there is the backlash to exist among the gear drive module, can take place to strike and produce the vibration during the use, consequently can reduce transmission efficiency and precision. Moreover, when the difference between the circumferences of the two ink coating wheels is too large, the linear velocities of the two sides of the circuit board are different when the circuit board is extruded between the two ink coating wheels, so that the problem of bending of the circuit board is easily caused.

Therefore, how to solve the above problems and deficiencies of the prior art is the subject of the urgent research and development of the related art.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main objective lies in, relies on axial displacement transmission assembly's setting, lets printing ink coating wheel directly dismouting on the shaft coupling, and it is convenient and more have efficiency not only to the dismouting to can avoid the problem that transmission efficiency and precision that exist because of the backlash and cause reduce.

The utility model discloses a secondary objective lies in, relies on the mode that lets a motor only drive a printing ink coating wheel, makes the rotation rate of printing ink coating wheel go the adjustment through the motor that drives, so can avoid the crooked problem of circuit board because of the difference of circuit board both sides linear velocity leads to effectively.

To achieve the above object, the present invention provides an ink-applying wheel driving device for driving an ink-applying wheel to apply ink on a circuit board, comprising a coupling, a motor and an axial movement transmission assembly, wherein one end of the coupling is adapted to be coupled to the ink-applying wheel; the motor is provided with a rotating shaft and is used for driving the other end of the coupling to rotate; the axial movement transmission assembly is arranged between the coupler and the motor and comprises a rotating seat, a spline shaft and a shaft sleeve, wherein the rotating seat is arranged on the rotating shaft and is provided with a groove; the spline shaft is provided with a shaft connecting end, a free end and a connecting section connected between the shaft connecting end and the free end, the shaft connecting end is connected to the other end of the coupler in a shaft mode, and the free end is located in the groove and can move axially in the groove; the shaft sleeve is sleeved on the opening of the groove and is provided with a perforated groove, and the connecting section of the spline shaft is inserted in the perforated groove and can move axially in the perforated groove.

In the ink coating wheel driving device, the axial movement transmission assembly includes a limiting member disposed at the free end of the spline shaft, and the limiting member is blocked by the shaft sleeve and limited in the groove.

In the ink coating wheel driving device, the limiting member is fixed to the free end by a screw.

In the ink coating wheel driving device, the connecting section is provided with at least one spline tooth, and the spline tooth and the groove wall of the perforation groove can interfere with each other.

The ink-applying wheel driving device further includes a speed reducer connected to the motor.

The ink coating wheel driving device further comprises a positioning piece which is arranged at one end of the coupler and used for positioning the ink coating wheel.

In the ink coating wheel driving device, the positioning member includes a bearing portion and a covering portion pivotally connected to the bearing portion, a positioning space is formed between the bearing portion and the covering portion, and the positioning space is used for positioning the ink coating wheel.

The ink coating wheel driving device further comprises a protection member located between the coupler and the motor, the protection member has a receiving groove, and the axial movement transmission assembly is located in the receiving groove.

To sum up, the utility model discloses a mechanism design that utilizes axial displacement drive assembly and single motor to drive single printing ink coating wheel except not only can reaching the easy just more efficiency of dismouting, and can avoid reducing because of transmission efficiency and the precision that the backlash caused, the crooked problem of circuit board that produces when can also solving the circuit board and taking turns through printing ink coating.

Drawings

Fig. 1 is a schematic perspective view of an ink application wheel driving device according to the present invention.

Fig. 2 is a schematic side view of the ink application wheel driving device according to the present invention.

Fig. 3 is a schematic perspective exploded view of the ink application wheel driving device according to the present invention.

Fig. 4 is a schematic sectional view showing the spline shaft of the ink application wheel driving device of the present invention moving axially toward the ink application wheel.

Fig. 5 is a schematic cross-sectional view illustrating the spline shaft of the ink application wheel driving device of the present invention moving axially away from the ink application wheel.

Fig. 6 is a schematic perspective view of the ink application wheel driving device for mounting and dismounting the ink application wheel according to the present invention.

Description of reference numerals: 1-ink application wheel drive; 2-a coupler; 3-a motor; 31-a rotating shaft; 4-axially moving the transmission assembly; 41-a rotating seat; 411-grooves; 42-a spline shaft; 421-a shaft connection end; 422-free end; 423-connecting section; 424-spline teeth; 43-a shaft sleeve; 431-perforated slots; 44-a stop; 45-screws; 5, a speed reducer; 6-a positioning member; 61-a carrier; 62-a covering part; 63-positioning space; 7-a protective element; 71-a receiving groove; r-ink applicator wheel; r1-axial center.

Detailed Description

Referring to fig. 1 to 6, an ink coating wheel driving device 1 of the present invention for driving an ink coating wheel R to coat ink on a circuit board includes a coupling 2, a motor 3 and an axial movement transmission assembly 4, wherein the axial movement transmission assembly 4 is located between the coupling 2 and the motor 3 and is power-connected to the coupling 2 and the motor 3 to transmit the rotation power of the motor 3 to the coupling 2.

One end of the coupler 2 is used for being coupled to an axis R1 of the ink applying wheel R, and the motor 3 is used for driving the other end of the coupler 2 to rotate through the axial movement transmission assembly 4, so as to drive the ink applying wheel R coupled to the coupler 2 to rotate together, wherein the motor 3 has a rotating shaft 31, and the rotating shaft 31 is connected with the axial movement transmission assembly 4. Because the utility model discloses a single motor 3 drives single printing ink coating wheel R's mechanism design, so can solve the crooked problem of the produced circuit board of current circuit board when printing ink coating wheel R, in addition, in this embodiment, still be equipped with a reduction gear 5, it is connected in this motor 3 for reduce the rotational speed and promote the moment of torsion.

In the embodiment, as shown in fig. 6, a positioning member 6 is further provided, which is disposed corresponding to one end of the coupler 2 and is used for positioning the ink applying wheel R, so that the axis R1 of the ink applying wheel R can be aligned with one end of the coupler 2, wherein the positioning member 6 includes a bearing portion 61 and a covering portion 62 pivotally connected to the bearing portion 61, a positioning space 63 is formed between the bearing portion 61 and the covering portion 62, the positioning space 63 is used for positioning the ink applying wheel R, so as to position the ink applying wheel R on the positioning member 6, and the ink applying wheel R does not move or shake, so as to increase the reliability and stability of ink application.

Referring to fig. 3, the axial movement transmission assembly 4 is disposed between the coupler 2 and the motor 3, and includes a rotating base 41, a spline shaft 42 and a sleeve 43, wherein the rotating base 41 is disposed on the rotating shaft 31, and the rotating base 41 has a groove 411. The spline shaft 42 has a shaft connecting end 421, a free end 422 and a connecting section 423 connected between the shaft connecting end 421 and the free end 422, the shaft connecting end 421 is connected to the other end of the shaft joint 2, the free end 422 is located in the groove 411 and can move axially in the groove 411. The sleeve 43 is disposed at the opening of the recess 411, the sleeve 43 has a through hole 431, and the connecting section 423 of the spline shaft 42 is inserted into the through hole 431 and can move axially in the through hole 431. Since the shaft-receiving end 421 of the spline shaft 42 is connected to the clutch 2, the clutch 2 can move axially along with the spline shaft 42 toward or away from the ink application wheel R, as shown in fig. 4 and 5, to or away from the positioning member 6, so that the ink application wheel R can be easily replaced or disassembled.

It can be understood that, in order to prevent the spline shaft 42 from being disengaged from the groove 411 of the rotating base 41 during the axial movement, in the embodiment, a limiting member 44 is further disposed on the free end 422 of the spline shaft 42, and the limiting member 44 is blocked by the bushing 43 and is limited in the groove 411, as shown in fig. 4. In the embodiment, please refer to fig. 3, the limiting member 44 is fastened to the free end 422 through a screw 45, but not limited thereto, and other fastening methods can be used in the present invention.

Referring to fig. 4, in order to protect the axial moving transmission assembly 4 from being contaminated or damaged by collision, in this embodiment, a protection member 7 is further provided, the protection member 7 is fixedly disposed on the machine, wherein the protection member 7 has a receiving slot 71, the axial moving transmission assembly 4 is located in the receiving slot 71, so as to be protected by the protection member 7 to avoid damage caused by collision of external force and have a dust-proof effect, and the protection member 7 is located between the coupling 2 and the motor 3.

It is understood that when the axially moving transmission assembly 4 is in transmission operation, the spline teeth 424 formed on the connecting section 423 of the spline shaft 42 can interfere with the groove wall of the through hole 431 of the sleeve 43, so that the rotation power of the motor 3 can be transmitted to the coupler 2 through the rotary base 41, the sleeve 43 and the spline shaft, and then the coupler 2 is coupled to the ink applying wheel R to rotate the ink applying wheel R.

To sum up, the utility model discloses utilize axial displacement transmission assembly 4 and single motor 3 to drive the mechanism design of single printing ink coating wheel R, except not only can reaching the dismouting facility and more having efficiency, and can avoid having transmission efficiency and the precision that causes because of the backlash to reduce, can also solve the crooked problem of circuit board that produces when printing ink coating wheel R of circuit board.

The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. An ink application wheel driving apparatus for driving an ink application wheel to apply ink on a circuit board, comprising:

one end of the coupler is used for being coupled with the ink coating wheel;

the motor is provided with a rotating shaft and is used for driving the other end of the coupler to rotate; and

an axial movement transmission assembly arranged between the coupler and the motor and comprising a rotating seat, a spline shaft and a shaft sleeve, wherein the rotating seat is arranged on the rotating shaft and is provided with a groove; the spline shaft is provided with a shaft connecting end, a free end and a connecting section connected between the shaft connecting end and the free end, the shaft connecting end is connected to the other end of the coupler in a shaft mode, and the free end is located in the groove and can move axially in the groove; the shaft sleeve is sleeved on the opening of the groove and is provided with a perforated groove, and the connecting section of the spline shaft is inserted into the perforated groove and can axially move in the perforated groove.

2. The ink application wheel driving apparatus according to claim 1, wherein: the axial movement transmission assembly comprises a limiting part, the limiting part is arranged at the free end of the spline shaft, and the limiting part is blocked by the shaft sleeve and limited in the groove.

3. The ink application wheel driving apparatus according to claim 2, wherein: the limiting piece is fixedly locked at the free end through a screw.

4. The ink application wheel driving apparatus according to claim 1, wherein: at least one spline tooth is arranged on the connecting section, and the spline tooth and the groove wall of the perforation groove can interfere with each other.

5. The ink applicator wheel drive unit of claim 1, further comprising:

a speed reducer connected to the motor.

6. The ink applicator wheel drive unit of claim 1, further comprising:

and the positioning piece is arranged at one end which can correspond to the coupling and is used for positioning the ink coating wheel.

7. The ink application wheel driving apparatus according to claim 6, wherein: the positioning piece comprises a bearing part and a covering part pivoted to the bearing part, a positioning space is formed between the bearing part and the covering part, and the positioning space is used for positioning the ink coating wheel.

8. The ink applicator wheel drive unit of claim 1, further comprising:

the protection piece is positioned between the coupler and the motor and provided with a containing groove, and the axial movement transmission assembly is positioned in the containing groove.