TW202212160A - Dual-print-head adjustment mechanism - Google Patents

Abstract

The disclosure is related to a dual-print-head adjustment mechanism, including a base, a carrying plate and an adjustment element. The base has a platform. The carrying plate is detachably disposed on the platform of the base, and includes a pivoting component, a guiding groove, a locking component and two accommodating bases. The carrying plate is pivotally connected to the platform of the base through the pivoting component. The locking component is detachably connected to the base and passes through the guide groove. When the locking component pushes against the guiding groove, the locking component and the guiding groove are engaged with each other, and the carrying plate is locked on the base. The two accommodating bases are arranged parallel to each other and are located between the pivoting component and the guiding groove. Each accommodating base has three positioning protrusions configured to abut against the two adjacent sides of the print head constantly, so that the two print heads are aligned in parallel. The adjusting component is connected between the base and the carrying plate. When the locking component releases the guiding groove and the adjusting component is engaged with the base and the carrying plate, the carrying plate is rotated around the pivoting component.

Description

Double nozzle adjustment mechanism

This case is about a nozzle adjustment mechanism, especially a dual nozzle adjustment mechanism that quickly achieves parallel alignment.

In recent years, the requirements for printing quality of inkjet printers have been increasing day by day. Although ink dots are getting smaller as resolution increases, inkjet printers still need to meet the demands of high-speed printing. Under this circumstance, the impact of part processing and assembly precision on the printing quality is becoming more and more obvious. However, the high precision requirements in many processing technologies are often accompanied by a substantial increase in manufacturing costs and an increase in defective rates. Therefore, there is a proposal in the market to use the design of the nozzle adjustment mechanism to solve the above-mentioned problems, in order to reduce the influence of parts processing factors on the image quality.

In the traditional nozzle adjustment mechanism, a corresponding adjustment mechanism is set near each nozzle. Usually, it needs to be optimized by the installation or service personnel through continuous adjustment and testing. It often takes a long time to adjust. . On the other hand, the structure of the traditional nozzle adjustment mechanism is complicated. A single adjustment unit corresponds to a single nozzle. For printers with multiple nozzles, the corresponding relationship between each nozzle must be repeatedly confirmed to achieve the purpose of nozzle adjustment. . Due to the high manufacturing cost and complicated adjustment procedures of the traditional nozzle adjustment mechanism, it cannot meet the actual application requirements.

Therefore, how to develop a dual-nozzle adjustment mechanism to solve the problems faced by the prior art is an urgent problem to be solved in this field.

The purpose of this case is to provide a dual-nozzle adjustment mechanism. A metal carrier plate processed by computerized numerical control (CNC), for example, is used to form at least two accommodating seats arranged in parallel. side, at least two nozzles can be kept parallel. After the carrier plate is pivotally installed on the base body, the position of the carrier plate relative to the base body can be adjusted through an adjustment member disposed between the carrier plate and the base body, so as to quickly achieve the purpose of parallel alignment of the dual nozzles. Helps to improve the efficiency of adjusting the nozzle, while reducing the time spent on the adjustment operation.

Another object of this case is to provide a dual-nozzle adjustment mechanism. By arranging a plurality of positioning protrusions on the metal carrier plate, the parallel alignment of the dual nozzles can be quickly achieved. The metal carrier plate provides sufficient mechanical strength to ensure that the plurality of positioning protrusions maintain the accuracy of adjustment in the repeated operation of the adjustment process, and are not easily deformed due to frequent operations or the contact of the nozzle. In addition, the CNC precision machining technology can more accurately set the positions of the plurality of positioning protrusions, realize the parallel alignment of the dual nozzles, and can be detachably installed on the seat body through a pivot piece and a guide groove, and is connected with the transmission mechanism. Driven by the alignment of the seat body, the parallel aligned dual nozzles can be quickly applied to the printing device, which greatly improves the efficiency of the overall adjustment operation, and at the same time reduces the number of parts required for the adjustment mechanism. the purpose of reducing costs.

In order to achieve the aforementioned purpose, this case provides a dual-nozzle adjustment mechanism, which includes a base, a carrier plate and an adjustment piece. The seat body has a bearing platform. The carrier board is detachably arranged on the carrier platform of the base body, and includes a first side edge, a second side edge, a pivot piece, a guide groove, a locking piece and at least two accommodating seats. The first side and the second side are two opposite sides, the pivot member is adjacent to the first side, the locking member and the guide groove are adjacent to the second side, and the carrier plate is pivotally connected to the second side through the pivot member. The bearing platform of the seat body, the locking member is detachably connected to the seat body through the guiding groove, and when the locking member is pressed against the guiding groove and engaged, the carrier plate is locked on the seat body, wherein at least two accommodating seats are mutually The utility model is arranged in parallel between the first side edge and the second side edge, and is located between the pivot member and the guide groove. At least two of the accommodating seats include a first accommodating seat and a second accommodating seat. The first accommodating seat has a first positioning protrusion, a second positioning protrusion and a third positioning protrusion. The two receptacles have a fourth positioning protrusion, a fifth positioning protrusion and a sixth positioning protrusion, wherein the connecting line between the first positioning protrusion and the second positioning protrusion is parallel to the fourth positioning protrusion and the first positioning protrusion. The connecting line of the five positioning protrusions is perpendicular to the connecting line between the third positioning protrusion and the sixth positioning protrusion. The adjustment piece is connected between the seat body and the carrier plate, and is adjacent to one end of the second side. When the locking element releases the guide groove, the adjustment piece is assembled and engaged with the seat body and the carrier board, so that the carrier board is pivotally connected Rotate around the center to adjust the position of the carrier plate relative to the base.

In one embodiment, the first positioning protrusion and the second positioning protrusion are located on the side of the first accommodating seat close to the second side, and the fourth positioning protrusion and the fifth positioning protrusion are located near the second accommodating seat. side of the second side.

In one embodiment, the dual-nozzle adjustment mechanism further includes a first nozzle and a second nozzle respectively disposed in the first accommodating seat and the second accommodating seat, wherein two adjacent sides of the first nozzle abut against the first nozzle. A positioning convex portion, a second positioning convex portion and a third positioning convex portion, two adjacent sides of the second nozzle abut against the fourth positioning convex portion, the fifth positioning convex portion and the sixth positioning convex portion.

In one embodiment, the first positioning protrusion and the second positioning protrusion are abutted against a long side of the first nozzle, and the distance from the first positioning protrusion to the second positioning protrusion is greater than the length of the long side of the first nozzle. Half.

In one embodiment, the fourth positioning protrusion and the fifth positioning protrusion are abutted against a long side of the second nozzle, and the distance from the fourth positioning protrusion to the fifth positioning protrusion is greater than the length of the long side of the second nozzle. Half.

In one embodiment, the double-nozzle adjustment mechanism includes at least two fixed pressure blocks respectively disposed adjacent to two opposite ends of the first accommodating seat, and abutting the first positioning protrusions on two adjacent sides of the first nozzle, When the second positioning convex portion and the third positioning convex portion are used, the first spray head is fixed on the first accommodating seat.

In one embodiment, the dual-nozzle adjustment mechanism includes at least two fixed pressing blocks respectively disposed adjacent to two opposite ends of the second accommodating seat, and abutting the fourth positioning protrusions on two adjacent sides of the second nozzle, When the fifth positioning protrusion and the sixth positioning protrusion are used, the second nozzle is fixed on the second accommodating seat.

In one embodiment, the adjusting member is an adjusting screw, which is disposed along the direction of the second side edge.

In one embodiment, the base body includes a through hole, the carrier plate includes an engagement hole, and the adjusting screw engages with the engagement hole through the through hole.

In one embodiment, the pivoting member includes a pivoting hole and a screw, and the screw is detachably connected to the base through the pivoting hole, so that the carrier plate is pivotally connected to the base through the pivoting member.

In one embodiment, the base body further includes a first positioning post, which is arranged on the bearing platform and is spatially relative to the pivot member of the carrier plate, wherein the first positioning post is engaged with the screw through the pivot hole, so that the The carrier plate and the base body are pivotally connected through the first positioning column and the pivot hole.

In one embodiment, the base body further includes a second positioning column, which is arranged on the bearing platform, is spatially opposite to the guide groove of the carrier board, and is partially accommodated in the guide groove, wherein the carrier board is pivotally connected. When the component is centered and rotated, the guide groove slides relative to the second positioning column.

In one embodiment, the guide groove has a groove structure, which penetrates through the carrier plate, and the second positioning post is accommodated in the groove structure and is detachably connected with the groove structure passing through the guide groove and the fastener. .

In one embodiment, the carrier is formed from a metal material through a computer numerical control process.

In one embodiment, the guide groove is in an arc shape with the pivot element as the center.

In one embodiment, the base body includes a first opening and a second opening, which penetrate through the carrying platform and are spatially opposite to the first accommodating seat and the second accommodating seat, respectively.

In one embodiment, the first accommodating seat and the second accommodating seat have the same contour.

Some typical embodiments embodying the features and advantages of the present case will be described in detail in the description of the latter paragraph. It should be understood that this case can have various changes in different aspects, all of which do not depart from the scope of this case, and the descriptions and drawings therein are essentially for illustration purposes, rather than for limiting this case.

FIG. 1 is an exploded view of the structure of the double-nozzle adjustment mechanism according to the embodiment of the present application from the top view. FIG. 2 is an exploded view of the structure of the dual-nozzle adjustment mechanism according to the embodiment of the present application from another top view. FIG. 3 is an exploded view of the structure of the dual-nozzle adjustment mechanism of the embodiment of the present application from a lower perspective. FIG. 4 is a three-dimensional structural view of the double-nozzle adjustment mechanism of the embodiment of the present case. In this embodiment, the dual-nozzle adjustment mechanism 1 includes a base 2 , a carrier plate 3 and an adjustment member 5 . For example, the base body 2 is assembled and installed on a transmission mechanism (not shown), and the base body 2 is displaced to the required working area through the drive of the transmission mechanism. This case does not limit the transmission method of the base body 2, and no longer Repeat. In this embodiment, the base body 2 has a carrying platform 10 . The carrier plate 3 is detachably arranged on the carrier platform 10 of the base body 2 . In this embodiment, the carrier plate 3 includes a first side 3a, a second side 3b, a pivot member 20, a guide groove 50, a locking member 60, and at least two accommodating seats 30, 40. . The first side 3a and the second side 3b are two opposite sides of the carrier board 3, the pivot member 20 is adjacent to the first side 3a, and the locking member 60 and the guide groove 50 are adjacent to the second side 3b. The carrier plate 3 is pivotally connected to the carrying platform 10 of the base body 2 through the pivot member 20 . The locking member 60 is, for example, a screw, which is detachably connected to the base body 2 through the guide groove 50 , and when the locking member 60 presses against the guide groove 50 and engages with each other, the carrier plate 3 is locked on the base body 2 . In this embodiment, at least two accommodating seats 30 and 40 are disposed parallel to each other between the first side 3 a and the second side 3 b and between the pivot member 20 and the guide groove 50 . The at least two accommodating seats 30 and 40 include a first accommodating seat 30 and a second accommodating seat 40 . The first accommodating seat 30 has a first positioning protrusion 31 , a second positioning protrusion 32 and a third positioning protrusion 33 . The second accommodating seat 40 has a fourth positioning protrusion 41 , a fifth positioning protrusion 42 and a sixth positioning protrusion 43 . The connecting line between the first positioning protrusion 31 and the second positioning protrusion 32 is parallel to the connecting line between the fourth positioning protrusion 41 and the fifth positioning protrusion 42, and is perpendicular to the third positioning protrusion 33 and the sixth positioning protrusion Part 43 of the connection. The adjusting member 5 is connected between the base body 2 and the carrier plate 3, and is adjacent to one end of the second side edge 3b. When the locking member 60 releases the guide groove 50 , the adjusting member 3 is assembled to engage the base 2 and the carrier 3 , so that the carrier 3 rotates around the pivot member 20 to adjust the position of the carrier 3 relative to the base 2 .

In the present embodiment, the dual-nozzle adjustment mechanism 1 is assembled, for example, to perform parallel alignment of a set of nozzles 4 . The dual-nozzle adjustment mechanism 1 further includes a first nozzle 4a and a second nozzle 4b, which are respectively disposed on the first accommodating seat 30 and the second accommodating seat 40 . In this embodiment, the first nozzle 4a and the second nozzle 4b may be, for example, a nozzle body externally connected to an ink cartridge, or may be, for example, a nozzle integrated with the ink cartridge, which is not limited to this case. In addition, the first nozzle 4a and the second nozzle 4b can be, for example, nozzles having the same structure, or they can be used interchangeably, but the present application is not limited to this. In this embodiment, two adjacent sides of the first nozzle 4 a abut against the first positioning protrusion 31 , the second positioning protrusion 32 and the third positioning protrusion 33 . In this embodiment, two adjacent sides of the second nozzle 4 b abut against the fourth positioning protrusion 41 , the fifth positioning protrusion 42 and the sixth positioning protrusion 43 . In this way, the first nozzle 4a and the second nozzle 4b can be stably disposed on the carrier plate 3 and kept parallel to each other. The first positioning protrusion 31 and the second positioning protrusion 32 abut against a long side 4a1 of the first nozzle 4b, and the distance from the first positioning protrusion 31 to the second positioning protrusion 32 is greater than that of the first nozzle 4a. One-half of the long side 4a1 is used to facilitate the first nozzle 4a to be stably disposed on the first accommodating seat 30 . In addition, the third positioning protrusion 33 abuts against a short side 4a2 of the first nozzle 4a, and the first nozzle 4a is correctly set in the first accommodating seat 30 through three-point positioning. Similarly, the fourth positioning protrusion 41 and the fifth positioning protrusion 42 abut against a long side 4b1 of the second nozzle 4b, and the distance from the fourth positioning protrusion 41 to the fifth positioning protrusion 42 is greater than that of the second nozzle 4b 1/2 of the long side 4b1 of the second nozzle 4b, so that the second nozzle 4b can be stably disposed on the first accommodating seat 40 . In addition, the sixth positioning protrusion 43 abuts against a short side 4b2 of the second nozzle 4b, and the second nozzle 4b is correctly set in the second accommodating seat 40 through three-point positioning.

In addition, when the two adjacent sides of the first nozzle 4a abut against the first positioning protrusion 31, the second positioning protrusion 32 and the third positioning protrusion 33, in order to stably fix the first nozzle 4a on the carrier plate 3 Above, the dual-nozzle adjustment mechanism 1 includes at least two fixed pressing blocks 70 respectively disposed adjacent to two opposite ends of the first accommodating seat 30, and abutting the first positioning protrusions 31 on two adjacent sides of the first nozzle 4a , the second positioning convex portion 32 and the third positioning convex portion 33 , the first nozzle 4 a is stably fixed on the first accommodating seat 30 . Similarly, in this embodiment, the dual-nozzle adjustment mechanism 1 includes at least two fixed pressing blocks 70 respectively disposed adjacent to two opposite ends of the second accommodating seat 40 , and abutting against two adjacent sides of the second nozzle 40 . When the fourth positioning protrusion 41 , the fifth positioning protrusion 42 and the sixth positioning protrusion 43 are connected, the second nozzle 4 b is stably fixed on the second accommodating seat 40 . In this embodiment, the first positioning protrusion 31 and the second positioning protrusion 21 are located on the side of the first accommodating seat 30 close to the second side 3b, the fourth positioning protrusion 41 and the fifth positioning protrusion 42 It is located on the side of the second accommodating seat 40 close to the second side edge 3b, so as to facilitate the user to force the first nozzle 4a to press the first positioning convex portion 31 and the first positioning protrusion 31 and the first nozzle 4a on the first accommodating seat 30 smoothly The two positioning protrusions 32 and the third positioning protrusion 33 are fixed by two fixing pressing blocks 70 . It is also beneficial for the user to press the second nozzle 4b against the fourth positioning protrusion 41 , the fifth positioning protrusion 42 and the sixth positioning protrusion 43 on the second accommodating seat 40 smoothly, and press the two fixed pressures. Block 70 completes the fixation. In this embodiment, the fixing pressure block 70 can be fixed to the nozzle group 4 by a screw 71 and a corresponding screw hole 72 on the carrier plate 3 , but the present application is not limited to this.

In this embodiment, the adjusting member 5 can be, for example, an adjusting screw, which is disposed between the base body 2 and the carrier plate 3 along the direction of the second side edge 3b. The base body 2 includes a through hole 15 , and the carrier plate 3 includes an engagement hole 51 , and the adjusting member 5 , such as an adjusting screw, engages with the engagement hole 51 through the through hole 15 . By assembling the adjusting member 5 to engage the base 2 and the carrier 3 , the carrier 3 can be rotated around the pivot member 20 to achieve the purpose of adjusting the position of the carrier 3 relative to the base 2 . Of course, the manner in which the adjusting member 5 drives the carrier plate 3 to move relative to the base body 2 is not limited to this, and will not be described again.

In addition, in this embodiment, the pivoting member 20 may include, for example, a pivoting hole 22 and a screw 21. The screw 21 is detachably connected to the base 2 through the pivoting hole 22, so that the carrier plate 3 can pass through the pivoting member. 20 is pivotally connected to the base body 2 . In this embodiment, the base body 2 further includes a first positioning column 11 , which is disposed on the carrying platform 10 and is spatially relative to the pivot member 20 of the carrier plate 3 , wherein the first positioning column 11 is pivotally connected, for example. The holes 22 are engaged with the screws 21 , so that the carrier plate 3 and the base body 2 can be pivotally connected to the pivot holes 22 through the first positioning post 11 . Of course, this case is not limited to this. Also in this embodiment, the base body 2 further includes a second positioning column 12 , which is disposed on the bearing platform 10 , is spatially opposite to the guiding groove 50 of the carrier plate 3 , and is partially accommodated in the guiding groove 50 . , wherein when the carrier plate 3 rotates around the pivot member 20 , the guide groove 50 slides relative to the second positioning column 12 . In addition, in the present embodiment, the guide groove 50 has, for example, a groove structure 50 a that penetrates through the carrier plate 3 . The structure 50a is detachably connected to the locking member 60 . In this way, when the locking member 60 releases the guiding groove 50, the adjusting member 3 is assembled to engage the seat body 2 and the carrier plate 3, and the carrier plate 3 can rotate smoothly along the guiding groove 50 with the pivot member 20 as the center to achieve adjustment. The purpose of the position of the carrier plate 3 relative to the base body 2 . In this embodiment, both the guide groove 50 and the groove structure 50a are in an arc shape with the pivot member 20 as the center. In other embodiments, the guide grooves 50 are further designed with corresponding scales to indicate the rotation angle of the carrier plate 3 relative to the base body 2 . However, it does not limit the necessary technical features of this case, and will not be repeated here.

It should be noted that, in this embodiment, the carrier plate 3 is formed of a metal material such as aluminum through a computerized numerical control (computerized numerical control, CNC) process. Since the manufacturing cost of the CNC machining process is low, and the dimensional tolerance can be easily controlled to be less than 0.03 mm, it is easy to form the first accommodating seat 30 and the second accommodating seat 30 and the second accommodating seat 30 , which have the same contour and are parallel to each other, on the carrier board 3 . The accommodating seat 40 ensures that the connecting line between the first positioning protrusion 31 and the second positioning protrusion 32 is parallel to the connecting line between the fourth positioning protrusion 41 and the fifth positioning protrusion 42 and is perpendicular to the third positioning protrusion 33 The connection line with the sixth positioning protrusion 43 . After the first nozzle 4a and the second nozzle 4b are respectively fixed to the first accommodating seat 30 and the second accommodating seat 40 in the aforementioned manner, the parallel alignment of the first nozzle 4a and the second nozzle 4b can be quickly achieved, which is helpful for In order to improve the efficiency of adjusting the nozzle, and reduce the time spent on the adjustment operation. Then, the carrier plate 3 is detachably arranged on the base body 2 through the pivot member 20 and the guide groove 50, so that the alignment of the nozzle group 4 can be easily completed, and the first nozzle 4a aligned in parallel can be quickly aligned. When the second nozzle 4b is applied to the printing device, the efficiency of the overall adjustment operation is greatly improved, and the number of parts required by the adjustment mechanism is also reduced, so as to improve the efficiency and reduce the cost.

In this embodiment, the base body 2 includes a first opening 13 and a second opening 14 , which penetrate through the carrying platform 10 and are spatially opposite to the first accommodating seat 30 and the second accommodating seat 40 respectively. When the first nozzle 4a and the second nozzle 4b are assembled to the first receptacle 30 and the second receptacle 40, respectively, the nozzles of the first nozzle 4a and the second nozzle 4b can pass through the first opening 13 and the second nozzle respectively. The opening 14 is used for printing. The arrangement of the first opening 13 and the second opening 14 can be adjusted according to actual application requirements. However, it does not limit the necessary technical features of this case, and will not be repeated here.

FIG. 5 is a schematic diagram showing an initial state of the dual-nozzle adjustment mechanism of the embodiment of the present case. Refer to Figures 1 to 5. In this embodiment, the first nozzle 4a and the second nozzle 4b arranged in parallel on the carrier 3 can quickly apply the nozzle set 4 to the printing device through the carrier 3 pivotally connected to the base 2 . The first positioning protrusion 31 and the second positioning protrusion 32 abut against a long side 4a1 of the first nozzle 4b, and the third positioning protrusion 33 abuts against a short side 4a2 of the first nozzle 4a through three points The positioning determines that the first spray head 4a is correctly disposed on the first accommodating seat 30 . Similarly, the fourth positioning protrusion 41 and the fifth positioning protrusion 42 abut a long side 4b1 of the second nozzle 4b, and the sixth positioning protrusion 43 abuts a short side 4b2 of the second nozzle 4b. Dot positioning confirms that the second nozzle 4b is correctly positioned on the second accommodating seat 40 . When the locking member 60 releases the guide groove 50 , the adjusting member 3 is assembled to engage the base 2 and the carrier 3 , so that the carrier 3 rotates around the pivot member 20 to adjust the position of the carrier 3 relative to the base 2 . In this embodiment, the carrier plate 3 is driven by the adjusting member 5 , so that the carrier plate 3 can rotate relative to the base body 2 within a range of an angle θ with the pivot member 20 as the center. In one embodiment, for example, the adjusting member 5 pushes against the carrier plate 3 , so that the carrier plate 3 rotates by an angle θ1 with the pivot member 20 as the center, as shown in FIG. 6 . In another embodiment, for example, the adjusting member 5 pulls the carrier plate 3 to rotate the carrier plate 3 by an angle θ2 with the pivot member 20 as the center, as shown in FIG. 7 . In other words, through the guide groove 50, the arc length can be designed according to the actual application requirements, and the angle θ of the rotation of the carrier plate 3 relative to the base body 2 is further defined. Of course, this case is not limited to this, and will not be repeated here.

On the other hand, FIGS. 8 to 11 further reveal the structural schematic diagrams of the nozzle adjustment mechanism of the present case at different assembly stages. Among them, Figure 8 shows the appearance of the carrier plate used by the nozzle adjustment mechanism of the embodiment of the present case. Since the carrier board 3 is detachably connected to the base body 2, it can be easily replaced and maintained. In this embodiment, the carrier plate 3 is formed by a metal material such as aluminum through a CNC process. The pivot hole 22 , the first accommodating seat 30 , the second accommodating seat 45 , the guide groove 50 , the engaging hole 51 , the screw hole 72 , etc., can all be formed into a single body in the CNC process, as shown in FIG. 8 shown.

FIG. 9 is a schematic diagram showing the fixed nozzle on the carrier plate of the nozzle adjustment mechanism of the embodiment of the present case. In this embodiment, the user may first place the first nozzle 4a and the second nozzle 4b on the first accommodating seat 30 and the second accommodating seat 40, for example. When two adjacent sides of the first nozzle 4a abut against the first positioning protrusion 31, the second positioning protrusion 32 and the third positioning protrusion 33, the first nozzle 4a can be fixed to the first nozzle 4a by two fixing pressure blocks 70. on the first accommodating seat 30 . Similarly, when two adjacent sides of the second nozzle 4b abut against the fourth positioning protrusion 41 , the fifth positioning protrusion 42 and the third positioning protrusion 53 , the second nozzle can be fixed by the two fixing pressure blocks 70 . 4b is fixed on the second accommodating seat 40 .

Figures 10A and 10B are schematic diagrams showing that the carrier plate of the nozzle adjustment mechanism of the embodiment of the present case completes the fixing of the nozzles. Since the connecting line between the first positioning protrusion 31 and the two positioning protrusions 32 is parallel to the connecting line between the fourth positioning protrusion 41 and the fifth positioning protrusion 42 , and is perpendicular to the third positioning protrusion 33 and the sixth positioning protrusion 43 connection. In addition, two adjacent sides of the first nozzle 4a abut against the first positioning protrusion 31 , the second positioning protrusion 32 and the third positioning protrusion 33 . Two adjacent sides of the second nozzle 4b abut against the fourth positioning protrusion 41 , the fifth positioning protrusion 42 and the sixth positioning protrusion 43 . Therefore, the first nozzle 4a and the second nozzle 4b are firmly fixed on the carrier plate 3 through the four fixing pressing blocks 70 and kept parallel to each other. Of course, the present case is not limited to the order in which the first nozzles 4a and the second nozzles 4b are fixed to the carrier plate 3, and the first nozzles 4a and the second nozzles 4b can be used alternately. This case is not limited to this.

FIG. 11 is a schematic diagram showing the connection between the carrier plate and the base of the nozzle adjustment mechanism of the embodiment of the present case. In this embodiment, after the first nozzle 4a and the second nozzle 4b are arranged in parallel on the carrier plate 3, the carrier plate 3 is pivotally connected to the seat through the screw 21 of the pivot member 20 engaging with the first positioning post 11. body 2. In addition, the locking member 60 penetrates the guide groove 50 and engages with the second positioning post 12, and is further pressed against the guide groove 50 to engage with each other, so that the carrier plate 3 can be locked on the base body 2, and the completed assembly structure is as follows shown in Figure 4.

On the other hand, when the locking member 60 releases the guide groove 50, the adjusting member 3 engages with the engaging hole on the carrier plate 3 through the through hole 15 of the base body 2, and the carrier plate 3 can be pushed and pulled along the direction of the second side edge 3b. The carrier plate 3 is rotated around the pivot member 20, and the alignment of the print head group 4 is easily accomplished, and the parallel aligned first print head 4a and the second print head 4b are quickly applied to the printing device, greatly improving the overall alignment The efficiency of the calibration operation is also reduced, and the number of parts required by the calibration mechanism is reduced, which improves the efficiency and reduces the cost.

To sum up, this case provides a dual-nozzle adjustment mechanism for printers. At least two parallel accommodating seats are formed by a metal carrier such as CNC machined, and each accommodating seat abuts against two adjacent sides of the corresponding nozzle through three positioning protrusions, so that at least two nozzles can be held. parallel. After the carrier plate is pivotally installed on the base body, the position of the carrier plate relative to the base body can be adjusted through an adjustment member disposed between the carrier plate and the base body, so as to quickly achieve the purpose of parallel alignment of the dual nozzles. Helps to improve the efficiency of adjusting the nozzle, while reducing the time spent on the adjustment operation. Furthermore, by arranging a plurality of positioning protrusions on the metal carrier plate, the parallel alignment of the dual nozzles can be quickly achieved. The metal carrier plate provides sufficient mechanical strength to ensure that the plurality of positioning protrusions maintain the accuracy of adjustment in the repeated operation of the adjustment process, and are not easily deformed due to frequent operations or the contact of the nozzle. In addition, the CNC precision machining technology can more accurately set the positions of the plurality of positioning protrusions, realize the parallel alignment of the dual nozzles, and can be detachably installed on the seat body through a pivot piece and a guide groove, and is connected with the transmission mechanism. Driven by the alignment of the seat body, the parallel aligned dual nozzles can be quickly applied to the printing device, which greatly improves the efficiency of the overall adjustment operation, and at the same time reduces the number of parts required for the adjustment mechanism. the purpose of reducing costs. .

This case can be modified by a person who is familiar with this technology, and all kinds of modifications can be made without departing from the protection of the scope of the patent application attached.

1: Double nozzle adjustment mechanism 2: seat body 3: carrier board 3a: first side 3b: Second side 4: Nozzle group 4a: The first nozzle 4b: The second nozzle 4a1, 4b1: Long side 4a2, 4b2: Short side 5: Adjustment pieces 10: Bearing platform 11: The first positioning column 12: Second positioning column 13: The first opening 14: Second opening 15: Perforation 20: Pivot piece 21: Screws 22: Pivot hole 30: The first receiving seat 31: The first positioning protrusion 32: Second positioning protrusion 33: The third positioning protrusion 40: The second receiving seat 41: Fourth positioning protrusion 42: Fifth positioning protrusion 43: Sixth positioning protrusion 50: Guiding groove 50a: groove structure 51: Engagement hole 60: Lock firmware 70: Fixed pressure block 71: Screws 72: screw hole θ, θ1, θ2: Angle

FIG. 1 is an exploded view of the structure of the double-nozzle adjustment mechanism according to the embodiment of the present application from the top view. FIG. 2 is an exploded view of the structure of the dual-nozzle adjustment mechanism according to the embodiment of the present application from another top view. FIG. 3 is an exploded view of the structure of the dual-nozzle adjustment mechanism of the embodiment of the present application from a lower perspective. FIG. 4 is a three-dimensional structural view of the double-nozzle adjustment mechanism of the embodiment of the present case. FIG. 5 is a schematic diagram showing an initial state of the dual-nozzle adjustment mechanism of the embodiment of the present case. FIG. 6 is a schematic diagram showing the state after adjustment of one of the adjustment mechanisms of the dual nozzles of the embodiment of the present case. FIG. 7 is a schematic diagram showing another state after adjustment of the dual-nozzle adjustment mechanism of the embodiment of the present case. Figure 8 shows the appearance of the carrier plate used by the nozzle adjustment mechanism of the embodiment of the present case. FIG. 9 is a schematic diagram showing the fixed nozzle on the carrier plate of the nozzle adjustment mechanism of the embodiment of the present case. Figures 10A and 10B are schematic diagrams showing that the carrier plate of the nozzle adjustment mechanism of the embodiment of the present case completes the fixing of the nozzles. FIG. 11 is a schematic diagram showing the connection between the carrier plate and the base of the nozzle adjustment mechanism of the embodiment of the present case.

1: Double nozzle adjustment mechanism

2: seat body

3: carrier board

3a: first side

3b: Second side

4: Nozzle group

4a: The first nozzle

4b: The second nozzle

5: Adjustment pieces

10: Bearing platform

11: The first positioning column

12: Second positioning column

13: The first opening

14: Second opening

15: Perforation

20: Pivot piece

21: Screws

22: Pivot hole

30: The first receiving seat

31: The first positioning protrusion

32: Second positioning protrusion

33: The third positioning protrusion

40: The second receiving seat

41: Fourth positioning protrusion

42: Fifth positioning protrusion

43: Sixth positioning protrusion

50: Guiding groove

51: Engagement hole

60: Lock firmware

70: Fixed pressure block

71: Screws

72: screw hole

Claims (13)

A dual nozzle adjustment mechanism, comprising: a body with a bearing platform; A carrier plate is detachably arranged on the carrier platform of the base body, and includes a first side edge, a second side edge, a pivot member, a guide groove, a locking member and at least two accommodating parts The seat, wherein the first side and the second side are two opposite sides, the pivot member is adjacent to the first side, the locking member and the guide groove are adjacent to the second side, The carrier plate is pivotally connected to the carrying platform of the base body through the pivot member, the locking member is detachably connected to the base body through the guide groove, and when the locking member is pressed against the guide groove to engage, The carrier plate is locked on the base, wherein the at least two accommodating bases are arranged parallel to each other between the first side edge and the second side edge, and are located between the pivot member and the guide groove The at least two accommodating seats include a first accommodating seat and a second accommodating seat, and the first accommodating seat has a first positioning protrusion, a second positioning protrusion and a third positioning protrusion the second accommodating seat has a fourth positioning protrusion, a fifth positioning protrusion and a sixth positioning protrusion, wherein the connecting line between the first positioning protrusion and the second positioning protrusion is parallel to the the connecting line between the fourth positioning protrusion and the fifth positioning protrusion is perpendicular to the connecting line between the third positioning protrusion and the sixth positioning protrusion; and An adjustment piece is connected between the base body and the carrier plate, and is adjacent to one end of the second side edge. When the locking piece releases the guide groove, the adjustment piece is assembled and engaged with the base body and the The carrier plate is rotated around the pivot member to adjust the position of the carrier plate relative to the base. The dual-nozzle adjustment mechanism according to claim 1, further comprising a first nozzle and a second nozzle respectively disposed in the first accommodating seat and the second accommodating seat, wherein two adjacent ones of the first nozzles The side edge is in contact with the first positioning protrusion, the second positioning protrusion and the third positioning protrusion, and two adjacent side edges of the second nozzle are in contact with the fourth positioning protrusion and the fifth positioning protrusion and the sixth positioning protrusion. The adjustment mechanism for dual nozzles as claimed in claim 2, wherein the first positioning protrusion and the second positioning protrusion are abutted against a long side of the first nozzle, and the first positioning protrusion reaches the second The distance between the positioning protrusions is greater than half of the long side of the first nozzle, wherein the fourth positioning protrusion and the fifth positioning protrusion are abutted against a long side of the second nozzle, and the fourth positioning protrusion The distance from the positioning convex portion to the fifth positioning convex portion is greater than half of the long side of the second nozzle. The dual-nozzle adjustment mechanism as claimed in claim 2, comprising at least two fixed pressing blocks respectively disposed adjacent to two opposite ends of the first accommodating seat, and abutting the two adjacent sides of the first nozzle When the first positioning protrusion, the second positioning protrusion and the third positioning protrusion are used, the first nozzle is fixed on the first accommodating seat. The dual-nozzle adjustment mechanism as claimed in claim 2, comprising at least two fixed pressure blocks respectively disposed adjacent to two opposite ends of the second accommodating seat, and abutting the two adjacent sides of the second nozzle When the fourth positioning protrusion, the fifth positioning protrusion and the sixth positioning protrusion are used, the second nozzle is fixed on the second accommodating seat. The dual-nozzle adjustment mechanism according to claim 1, wherein the first positioning protrusion and the second positioning protrusion are located on a side of the first accommodating seat close to the second side edge, and the fourth positioning protrusion and the fifth positioning protrusion is located on the side of the second accommodating seat close to the second side edge. The adjusting mechanism for dual nozzles as claimed in claim 1, wherein the adjusting member is an adjusting screw disposed along the direction of the second side, wherein the base includes a through hole, the carrier plate includes an engaging hole, and the adjustment The screw is engaged with the engaging hole through the through hole. The adjustment mechanism for dual nozzles as claimed in claim 1, wherein the pivoting member comprises a pivoting hole and a screw, and the screw is detachably connected to the base through the pivoting hole, so that the carrier plate can pass through the pivoting connection. The piece is pivotally connected to the base. The adjustment mechanism for dual nozzles as claimed in claim 8, wherein the base further comprises a first positioning column disposed on the carrying platform and spatially relative to the pivotal member of the carrying plate, wherein the first positioning column is A positioning post is engaged with the screw through the pivot hole, so that the carrier plate and the base body are pivotally connected to the pivot hole through the first positioning post. The dual-nozzle adjustment mechanism as claimed in claim 9, wherein the base body further comprises a positioning column, which is arranged on the carrying platform, is spatially opposite to the guiding groove of the carrying plate, and is partially accommodated in the In the guide groove, when the carrier plate rotates with the pivot member as the center, the guide groove slides relative to the second positioning column. The dual-nozzle adjustment mechanism as claimed in claim 10, wherein the guide groove has a groove structure, which penetrates through the carrier plate, the second positioning post is accommodated in the groove structure, and is connected with the guide groove through the guide plate. The groove structure of the groove is detachably connected with the locking member. The dual-nozzle adjustment mechanism as claimed in claim 1, wherein the carrier plate is formed of a metal material through a computer numerical control process, wherein the guide groove is in an arc shape with the pivot member as the center. The dual-nozzle adjustment mechanism according to claim 1, wherein the base body includes a first opening and a second opening, which penetrate through the carrying platform and are spatially opposite to the first accommodating seat and the second accommodating seat, respectively. An accommodating seat, wherein the first accommodating seat and the second accommodating seat have the same outline.

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