阅读说明：本技术 连续式喷墨印花机的喷头框架锁止定位机构及方法 (Nozzle frame locking and positioning mechanism and method of continuous ink-jet printing machine ) 是由 查银洁 潘统明 于 2021-02-05 设计创作，主要内容包括：本发明涉及一种连续式喷墨印花机的喷头框架锁止定位机构及方法,喷头框架在拉出位置和推进位置之间相对于龙门框架可移动地放置,在所述拉出位置,部分喷头框架从龙门框架内拉出,以及在所述推进位置,将所述部分喷头框架推进到龙门框架内；其特征在于：本喷头框架锁止定位机构包括：挡块锁止组件和磁铁吸附组件,挡块锁止组件位于拉出位置,用于部分喷头框架从龙门框架内拉出后对喷头框架进行锁止定位；磁铁吸附组件位于推进位置,用于部分喷头框架推进到龙门框架内之后对喷头框架进行锁止定位。本喷头框架锁止定位机构的结构设计简单、合理,需要的零部件少,不易出现故障；锁止杆利用气缸驱动,不会产生强的震动,且定位锁止效果好。(The invention relates to a nozzle frame locking and positioning mechanism and a method of a continuous ink-jet printing machine, wherein a nozzle frame is movably arranged relative to a gantry frame between a pull-out position and a push-in position, part of the nozzle frame is pulled out of the gantry frame at the pull-out position, and part of the nozzle frame is pushed into the gantry frame at the push-in position; the method is characterized in that: this shower nozzle frame locking positioning mechanism includes: the device comprises a check block locking assembly and a magnet adsorption assembly, wherein the check block locking assembly is positioned at a pull-out position and is used for locking and positioning a spray head frame after a part of the spray head frame is pulled out of a gantry frame; the magnet adsorption assembly is located at the pushing position and used for locking and positioning the sprayer frame after part of the sprayer frame is pushed into the gantry frame. The spray head frame locking and positioning mechanism is simple and reasonable in structural design, needs few parts and is not easy to break down; the locking pole utilizes the cylinder drive, can not produce strong vibrations, and fixes a position the locking effectual.)

1. A nozzle frame locking and positioning mechanism of a continuous ink jet printing machine, wherein a nozzle frame (1) is movably placed relative to a gantry frame (2) between a pull-out position and an advance position, a part of the nozzle frame (1) is pulled out of the gantry frame (2) at the pull-out position, and the part of the nozzle frame (1) is advanced into the gantry frame (2) at the advance position; the method is characterized in that: this shower nozzle frame locking positioning mechanism includes:

the check block locking assembly is positioned at the pull-out position and used for locking and positioning the spray head frame (1) after part of the spray head frame (1) is pulled out of the gantry frame (2); and

the magnet adsorption component is positioned at the pushing position and used for locking and positioning the spray head frame (1) after part of the spray head frame (1) is pushed into the gantry frame (2);

the two sets of block locking assemblies are arranged on two sides of the spray head frame (1), and each set of block locking assembly at least comprises two blocks (31) and locking rods (32) matched with the blocks (31) one by one; the stop block (31) is arranged on the inner side of the gantry frame (2); one end of the locking rod (32) is hinged with the sprayer frame (1), the other end of the locking rod is a locking end, the locking end of the locking rod (32) is abutted against the end part of the stop block (31) under the driving of power, and when the locking is carried out, the locking ends of the two locking rods (32) of the same set of stop block locking assembly are respectively abutted against the end parts of different sides of the two stop blocks (31);

the magnet adsorption component comprises an electromagnet (41) and a suction head (42), the electromagnet (41) is installed on the gantry frame (2), the suction head (42) is installed on the spray head frame (1), and the electromagnet (41) is matched with the suction head (42).

2. The nozzle frame locking and positioning mechanism of a continuous inkjet printing machine according to claim 1, characterized in that: the locking rod (32) is driven by an air cylinder (33), one air cylinder (33) is arranged on one locking rod (32), the air cylinder (33) is connected with the spray head frame (1), and the end part of the air cylinder rod of the air cylinder (33) is hinged with the locking end of the locking rod (32).

3. The nozzle frame locking and positioning mechanism of a continuous inkjet printing machine according to claim 1, characterized in that: the electromagnet (41) is an annular electromagnet, the suction head (42) is arranged on a buffer, and the buffer is arranged on the spray head frame (1).

4. The nozzle frame locking and positioning mechanism of a continuous inkjet printing machine according to claim 3, characterized in that: the buffer comprises an outer cylinder (51) and a push rod (52), wherein the outer cylinder (51) is connected with the sprayer frame (1), a buffer spring is arranged in the outer cylinder (51), one end of the push rod (52) extends into the outer cylinder (51) and abuts against the buffer spring, and the other end of the push rod (52) extends out of the outer cylinder (51) and then is connected with the suction head (42).

5. The nozzle frame locking and positioning mechanism of a continuous inkjet printing machine according to claim 1, characterized in that: the locking end of the locking lever (32) has a boss (321).

6. A method for locking and positioning a nozzle frame of a continuous inkjet printing machine, which is implemented by using the nozzle frame locking and positioning mechanism of any one of claims 1 to 5, and is characterized in that: the locking positioning method comprises a spray head frame pull-out locking positioning method and a spray head frame push-in locking positioning method;

setting: the pulling direction is front, and the pushing direction is back;

the pull-out locking positioning method of the spray head frame comprises the following steps: the electromagnet (41) is powered off, so that the sucker (42) does not work, then the sprayer frame (1) is pulled out forwards, after the sprayer frame (1) is pulled out in place, the air cylinder (33) is started to push the locking rods (32), so that the locking ends of the two locking rods (32) of the same set of block locking assembly respectively abut against the end parts of the two blocks (31) on different sides, and therefore, the locking positioning after the sprayer frame (1) is pulled out is completed, and the sprayer frame (1) cannot move forwards and backwards;

the pushing, locking and positioning method of the spray head frame comprises the following steps: the air cylinder (33) is utilized to drive the locking rod (32) to reset, the stop block (31) is not pushed by the locking rod (32), then the spray head frame (1) is pushed backwards, the electromagnet (41) is electrified, and after the spray head frame (1) is pushed in place, the electromagnet (41) adsorbs the suction head (42).

7. The method of claim 6, wherein the method comprises the steps of: the two stop blocks (31) are arranged at the inner side of the gantry frame (2) in tandem, and correspondingly, the two locking rods (32) are also arranged at the side surface of the spray head frame (1) in tandem;

in the method for positioning the pull-out and locking of the nozzle frame, the locking end of the front locking rod (32) hooks the rear end surface of the corresponding stop block (31) by using the convex block (321) of the locking end, and the locking end of the rear locking rod (32) abuts against the front end surface of the corresponding stop block (31);

in the method for positioning the nozzle frame by pushing and locking, in addition to locking by the magnet attraction component, the locking end of the front locking rod (32) hooks the rear end face of the rear stop block (31) by the convex block (321) thereof.

Technical Field

The invention relates to the technical field of printing machines, in particular to a nozzle frame locking and positioning mechanism and method of a continuous ink-jet printing machine.

Background

The continuous ink-jet printing machine solves the defects of low production efficiency and low speed of the prior scanning digital printing machine, such as the patent with the publication number of CN 205890234U: the utility model provides a high-speed digital printing machine that weaves of continuous type, this digital printing machine's shower nozzle subassembly is installed in the frame, and the both ends of shower nozzle subassembly are the crane, are provided with the lifter plate on the crane, and the lifter plate passes through the lift guide and installs on the crane of both sides, installs the shower nozzle on the lifter plate. Because the spray head component of the digital printing machine only has the height direction lifting adjusting function so as to meet the distance between the spray head and the conduction band, but the spray head component can not be integrally pulled out to one side of the printing machine, which brings great inconvenience to the subsequent daily maintenance of the spray head component, a continuous ink-jet printing machine with the integral push-pull type spray head component is necessary to be designed, and at present, a reasonable mechanism for locking a spray head frame after the spray head component is pushed and pulled in place does not exist.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides a locking and positioning mechanism for a nozzle frame of a continuous inkjet printing machine, which has the advantages of reasonable and simple structural design and reliable positioning and locking, and a locking and positioning method thereof.

The technical scheme adopted by the invention for solving the problems is as follows: a nozzle frame locking and positioning mechanism of a continuous ink-jet printing machine is disclosed, wherein the nozzle frame is movably placed relative to a gantry frame between a pulling-out position and a pushing-in position, a part of the nozzle frame is pulled out of the gantry frame at the pulling-out position, and the part of the nozzle frame is pushed into the gantry frame at the pushing-in position; the method is characterized in that: this shower nozzle frame locking positioning mechanism includes: the device comprises a check block locking assembly and a magnet adsorption assembly, wherein the check block locking assembly is positioned at a pull-out position and is used for locking and positioning a spray head frame after a part of the spray head frame is pulled out of a gantry frame; the magnet adsorption assembly is located at the pushing position and used for locking and positioning the sprayer frame after part of the sprayer frame is pushed into the gantry frame.

The two sets of the stop block locking assemblies are arranged on two sides of the spray head frame, and each set of the stop block locking assembly at least comprises two stop blocks and locking rods matched with the stop blocks one by one; the stop block is arranged on the inner side of the gantry frame; one end of the locking rod is hinged to the sprayer frame, the other end of the locking rod is a locking end, the locking end of the locking rod is abutted against the end portion of the stop block under the driving of power, and when locking is carried out, the locking ends of the two locking rods of the same set of stop block locking assembly are respectively abutted against the end portions of different sides of the two stop blocks.

The magnet adsorption component comprises an electromagnet and a suction head, the electromagnet is arranged on the gantry frame, the suction head is arranged on the spray head frame, and the electromagnet is matched with the suction head.

Preferably, the locking rod is driven by an air cylinder, one locking rod is provided with the air cylinder, the air cylinder is connected with the spray head frame, and the end part of the air cylinder rod of the air cylinder is hinged with the locking end of the locking rod.

Preferably, the electromagnet is a ring electromagnet, the suction head is arranged on a buffer, and the buffer is arranged on the spray head frame.

Preferably, the buffer comprises an outer cylinder and a push rod, the outer cylinder is connected with the spray head frame, a buffer spring is arranged in the outer cylinder, one end of the push rod extends into the outer cylinder and abuts against the buffer spring, and the other end of the push rod extends out of the outer cylinder and then is connected with the suction head.

Preferably, the locking end of the locking lever has a bump.

In order to solve the technical problem, the invention also provides another technical scheme, and the locking and positioning method of the spray head frame of the continuous ink-jet printing machine is implemented by adopting the spray head frame locking and positioning mechanism, and comprises a spray head frame pull-out locking and positioning method and a spray head frame push-in locking and positioning method; setting: the pull-out direction is forward and the push-in direction is backward.

The pull-out locking positioning method of the spray head frame comprises the following steps: the electromagnet is powered off, the pair of stoppers does not work, the sprayer frame is pulled out forwards, after the sprayer frame is pulled out in place, the air cylinder is started to push the locking rods, the locking ends of the two locking rods of the same set of stopper locking assembly respectively abut against the end parts of different sides of the two stoppers, so that the locking positioning after the sprayer frame is pulled out is completed, and the sprayer frame cannot move back and forth.

The pushing, locking and positioning method of the spray head frame comprises the following steps: utilize the cylinder to drive the locking pole and reset, the dog does not receive pushing away of locking pole to support, impels the shower nozzle frame backward afterwards, and the electro-magnet circular telegram, the shower nozzle frame impels the back that targets in place, and the electro-magnet adsorbs the suction head.

Preferably, the two stop blocks are arranged at the inner side of the gantry frame in tandem, and correspondingly, the two locking rods are also arranged at the side surface of the spray head frame in tandem; in the method for positioning the pull-out locking of the spray head frame, the locking end of the front locking rod hooks the rear end surface of the corresponding stop block by using the convex block, and the locking end of the rear locking rod abuts against the front end surface of the corresponding stop block; in the method for pushing, locking and positioning the spray head frame, besides the locking is carried out by the magnet adsorption component, the locking end of the front locking rod hooks the rear end face of the rear stop block by the convex block.

Compared with the prior art, the invention has the following advantages and effects:

1. the spray head frame locking and positioning mechanism is simple and reasonable in structural design, needs few parts and is not easy to break down; the locking rod is driven by the air cylinder, so that strong vibration cannot be generated, and the positioning and locking effect is good;

2. after the spray head frame is pulled out, the spray head frame is locked and positioned by the stop block locking assembly, and cannot move back and forth, so that the maintenance of workers is facilitated;

3. after the spray head frame is pushed, on one hand, the magnetic adsorption assembly is adopted for locking, and on the other hand, part of the stop block locking assembly is adopted for reinforcing locking, so that the spray head frame cannot move when the spray head works, and the printing quality is not influenced;

4. the buffer is arranged in the magnet adsorption component, and the impact between the spray head frame and the gantry frame can be reduced by the buffer in the process that the electromagnet adsorbs the suction head.

Drawings

In order to illustrate the embodiments of the present invention or the solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive effort.

FIG. 1 is a perspective view of a continuous ink jet printer having an embodiment of the present invention (with the nozzle frame advanced into the gantry frame).

FIG. 2 is a perspective view of a continuous ink jet printer having an embodiment of the present invention (with the nozzle frame pulled from within the gantry frame).

Fig. 3 is a schematic view showing the structure of a stopper locking assembly in the embodiment of the present invention.

Fig. 4 is a view showing an embodiment of the present invention in which the locking end of the rear locking lever abuts against the front end surface of the stopper corresponding thereto after the head frame is pulled out and positioned.

FIG. 5 is a schematic view showing the embodiment of the present invention, after the nozzle frame is pulled out and positioned, the locking end of the front locking rod hooks the rear end surface of the corresponding stopper with the convex block.

Fig. 6 is a schematic structural view illustrating a magnet attraction assembly according to an embodiment of the present invention.

Fig. 7 is a diagram illustrating a buffer in an embodiment of the present invention.

Description of reference numerals: the nozzle comprises a nozzle frame 1, a gantry frame 2, a stop block 31, a locking rod 32, a convex block 321, a cylinder 33, an electromagnet 41, a suction head 42, an outer cylinder 51, a push rod 52, a frame 6 and a sheet metal shield 7.

Detailed Description

The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.

Examples

See fig. 1-7.

The embodiment discloses a nozzle frame locking and positioning mechanism of a continuous ink-jet printing machine, as shown in fig. 1 and 2, the nozzle frame locking and positioning mechanism is installed on the continuous ink-jet printing machine, a gantry frame 2 is installed on a frame 6 of the continuous ink-jet printing machine and is positioned above a printing guide belt, nozzles, ink cartridges, a nozzle cleaning component and the like are installed on the nozzle frame 1, the nozzle frame 1 is movably placed relative to the gantry frame 2 between a pulling-out position and an advancing position, in the pulling-out position, part of the nozzle frame 1 is pulled out from the gantry frame 2 (see fig. 2), and in the advancing position, part of the nozzle frame 1 is advanced into the gantry frame 2 (see fig. 1). The nozzle frames 1 can be arranged in a plurality, the nozzle frames 1 are arranged side by side, two nozzle frames are arranged in the continuous ink-jet printing machine shown in figures 1 and 2, one nozzle frame is provided with one gantry frame 2, and all gantry frames 2 are covered by a sheet metal shield 7 for protection.

This shower nozzle frame locking positioning mechanism includes dog locking subassembly and magnet adsorption subassembly. The block locking assembly is positioned at the pull-out position and is used for locking and positioning the spray head frame 1 after part of the spray head frame 1 is pulled out of the gantry frame 2; the magnet adsorption assembly is located at an advancing position and used for locking and positioning the spray head frame 1 after part of the spray head frame 1 is advanced into the gantry frame 2.

In this embodiment, two sets of block locking assemblies are arranged on two sides of the nozzle frame 1, each set of block locking assembly at least comprises two blocks 31, locking rods 32 matched with the blocks 31 one by one, and an air cylinder 33 used for driving the locking rods 32 to rotate; in this embodiment, the positioning and locking requirements can be satisfied by arranging two stoppers 31 in each set of stopper locking assembly.

In this embodiment, the nozzle frame is set to be pulled out in a forward direction and pushed in a backward direction, the two stoppers 31 are installed inside the gantry frame 2 in tandem, and correspondingly, the two locking rods 32 are also installed on the side of the nozzle frame 1 in tandem; one end of the locking rod 32 is hinged to the head frame 1, and the other end is a locking end having a protrusion 321. A cylinder 33 is provided for a lock lever 32, the cylinder 33 is connected to the head frame 1, and the end of the cylinder 33 is hinged to the lock end of the lock lever 32. Under the drive of cylinder 33, the locking end of locking pole 32 supports and leans on the tip at dog 31, and when carrying out the locking, the locking end of two locking poles 32 of same set of dog locking subassembly supports respectively and leans on the tip at the different sides of two dogs 31 to make shower nozzle frame 1 can not the back-and-forth movement.

In this embodiment, the magnetic attraction assembly includes an electromagnet 41 and a attraction head 42. The electromagnet 41 is a ring-shaped electromagnet and is installed at the rear of the gantry frame 2, and the suction head 42 is installed on a buffer installed at the rear of the head frame 1. The electromagnet 41 can be attracted with the suction head 42 after being electrified. In the process that the electromagnet 41 adsorbs the suction head 42, the buffer reduces the impact between the nozzle frame 1 and the gantry frame 2.

In the present embodiment, specifically, the buffer comprises an outer cylinder 51 and a push rod 52, the outer cylinder 51 is connected to the nozzle frame 1, a buffer spring is disposed in the outer cylinder 51, one end of the push rod 52 extends into the outer cylinder 51 and abuts against the buffer spring, and the other end of the push rod 52 extends out of the outer cylinder 51 and is connected to the nozzle 42.

In this embodiment, the method for locking and positioning the nozzle frame by using the nozzle frame locking and positioning mechanism includes a nozzle frame pull-out locking and positioning method and a nozzle frame push-in locking and positioning method.

The method for positioning the pull-out locking of the spray head frame comprises the following steps: the electromagnet 41 is powered off, so that the electromagnet does not act on the suction head 42, then the nozzle frame 1 is pulled forwards, after the nozzle frame 1 is pulled out to the right position, the air cylinder 33 is started to push the locking rods 32, so that the locking ends of the two locking rods 32 of the same set of block locking assembly respectively abut against the end parts of the two blocks 31 on different sides, specifically, the locking end of the locking rod 32 at the back abuts against the front end surface (see fig. 4) of the block 31 corresponding to the locking end, and the locking end of the locking rod 32 at the front hooks the back end surface (see fig. 5) of the block 31 corresponding to the locking end by using the protruding block 321 of the locking rod; at this point, the locking and positioning of the pulled-out nozzle frame 1 are completed, and the nozzle frame 1 cannot move back and forth.

The pushing, locking and positioning method of the spray head frame comprises the following steps: the air cylinder 33 is used for driving the locking rod 32 to reset, the stop block 31 is not pushed by the locking rod 32, then the spray head frame 1 is pushed backwards, the electromagnet 41 is electrified, after the spray head frame 1 is pushed in place, the electromagnet 41 adsorbs the suction head 42, in addition, the locking end of the front locking rod 32 is hooked on the rear end face of the rear stop block 31 by the convex block 321, and the reliability of locking and positioning is further enhanced.

In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an illustration of the structure of the present invention. All equivalent or simple changes in the structure, characteristics and principles of the invention are included in the protection scope of the patent. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.