CN110481162B - Ink box driving device of surface jet printing equipment - Google Patents
Ink box driving device of surface jet printing equipment Download PDFInfo
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- CN110481162B CN110481162B CN201910898433.6A CN201910898433A CN110481162B CN 110481162 B CN110481162 B CN 110481162B CN 201910898433 A CN201910898433 A CN 201910898433A CN 110481162 B CN110481162 B CN 110481162B
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- 230000007246 mechanism Effects 0.000 claims abstract description 77
- 238000000034 method Methods 0.000 claims abstract description 19
- 230000008569 process Effects 0.000 claims abstract description 19
- 239000007921 spray Substances 0.000 claims description 49
- 230000008713 feedback mechanism Effects 0.000 claims description 21
- 230000009471 action Effects 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 11
- 239000000463 material Substances 0.000 description 11
- 239000000758 substrate Substances 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000003854 Surface Print Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
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- Ink Jet (AREA)
Abstract
The invention discloses an ink box driving device of surface jet printing equipment, which comprises a Y-axis direction driving mechanism, an X-axis direction driving mechanism and an adjusting mechanism. When the printing stock is subjected to jet printing, the Y-axis direction driving mechanism drives the X-axis direction driving mechanism and the whole ink box to move along the Y-axis direction, so that the ink box reaches the required height; meanwhile, the X-axis direction driving mechanism drives the ink box to move along the X-axis direction, so that the ink box is close to a printing object, and meanwhile, the adjusting mechanism starts to work to adjust the position of the ink box, so that the distance from the two ends of a wider ink box nozzle to a jet printing area is equal to that from the printing object, and the phenomenon that the ink box is deviated in the jet printing process to affect the jet printing effect is caused by different surface distances between the two ends of the nozzle and the printing object is prevented. Through setting up Y axle direction actuating mechanism, X axle direction drive to and mechanism adjustment mechanism, then can spout the seal to the printing stock that different sizes and surface curvature radius are different, the suitability is strong, has improved structural stability and spouts the seal quality simultaneously.
Description
Technical Field
The invention belongs to the technical field of jet printing equipment, and particularly relates to an ink box driving device of surface jet printing equipment.
Background
The existing printer can only print on a plane, and when the curved printing effect is required to be presented, most of the printers print on a plane printing stock and then bend the plane printing stock into a specific shape, such as paper cups printed with patterns and characters; or sticking the paper or plastic cloth with the sprayed pattern on the curved surface printing object. The operation is complex, the process is complex, the efficiency is low, and in the reprocessing process of the printing stock after the spray printing, the spray printing patterns or characters are easy to deform and damage. Therefore, the device capable of directly performing jet printing on the curved surface of the printing stock is required to be designed, and as the surface of the printing stock is the curved surface, the curvatures of different parts are different, and the ink box has a certain width, the position of the ink box needs to be adjusted during jet printing, so that the spray head of the ink box and the surface of the printing stock form the required position relation for jet printing, the jet printing quality can be ensured, and the influence on the jet printing effect caused by the deviation of the spray head in the jet printing process is prevented.
Disclosure of Invention
The invention aims to provide an ink box driving device of a surface jet printing device, which solves the technical problem that the spray head of the ink box is not easy to adjust with the surface of a printing object and the spray head is deviated in the jet printing process to influence the jet printing effect because the surface of the jet printing object is a curved surface and the curvatures of different parts are different.
In order to achieve the above purpose, the invention adopts the following specific technical scheme:
An ink cartridge driving apparatus of a surface jet printing apparatus, comprising:
The Y-axis direction driving mechanism is used for driving the ink box to move up and down along the Y-axis direction;
the X-axis direction driving mechanism is used for driving the ink box to move left and right along the X-axis direction;
The adjusting mechanism is used for adjusting the spray head of the ink box to form a position relation required by spray printing with the surface of a printing object.
When the printing stock is subjected to jet printing, the Y-axis direction driving mechanism drives the X-axis direction driving mechanism and the whole ink box to move along the Y-axis direction, so that the ink box reaches the required height; meanwhile, the X-axis direction driving mechanism drives the ink box to move along the X-axis direction, so that the ink box is close to a printing object, and meanwhile, the adjusting mechanism starts to work to adjust the position of the ink box, so that the distance from the two ends of a wider ink box spray head to a jet printing area is equal to that from the printing object, the cambered surface of the printing object can be adapted, the difference between the two ends of the spray head and the surface distance of the printing object is prevented, and the ink box is deviated in the jet printing process to influence the jet printing effect.
Through setting up Y axle direction actuating mechanism, X axle direction drive to and mechanism adjustment mechanism, then can spout the seal to the printing stock that different sizes and surface curvature radius are different, the suitability is strong, has improved structural stability and spouts the seal quality simultaneously.
The Y-axis direction is a vertical direction or forms a certain included angle with the vertical direction; the X-axis direction is a horizontal direction or forms a certain included angle with the horizontal direction; the Y-axis and the X-axis may or may not be perpendicular to each other. The Y-axis direction driving mechanism and the X-axis direction driving mechanism can drive the ink box to move in the three-dimensional space, so that the ink box can approach to the printing stock.
Further improved, the regulating mechanism comprises a first sliding block and a first bracket for fixing the ink box, the first bracket is rotationally connected with the first sliding block, and the ink box is detachably arranged on the first bracket; two contacts are arranged at one end of the first bracket, which is close to the ink box spray head, and the two contacts are distributed at two ends of the spray head; the X-axis driving mechanism drives the first sliding block, the first support and the ink box to approach the printing stock together, and when one of the contacts is contacted with the printing stock and extruded, the first support and the ink box rotate together around the first sliding block, so that the two contacts are contacted with the surface of the printing stock.
When one of the contacts is contacted with a printing stock, the X-axis driving mechanism drives the first sliding block, the first support and the ink box to continuously move towards the printing stock, the contact is extruded by the printing stock, the first support and the ink box rotate around the first sliding block together, then the two contacts are contacted with the surface of the printing stock, the purpose that the spray head of the ink box and the surface of the printing stock meet the position relation required by spray printing is achieved, namely, the spray head of the ink box is parallel to the surface to-be-sprayed area of the printing stock, and the distance between the spray head of the ink box and the surface to-be-sprayed area is 2-5mm.
Although the surface of the whole printing stock is a cambered surface, even a cambered surface with different curvature radius, small areas corresponding to the ink box spray heads instantaneously can be regarded as planes or cambered surfaces with unchanged curvature radius, such as cylindrical surfaces and the like, so long as the spray heads of the ink box are parallel to the printing stock surface to-be-sprayed area, namely the distances from the two ends of the ink box spray heads to the printing stock surface to-be-sprayed area are equal, the distance from the ink box spray heads to the printing stock surface to-be-sprayed area is required to be 2-5mm.
The device is further improved, and the device further comprises a position feedback mechanism, wherein after the two contacts on the first support are contacted with the surface of the printing stock to be printed, the position feedback mechanism acts, and the X-axis direction driving mechanism performs the next action according to the action signal of the position feedback mechanism.
Further improved, the position feedback mechanism is one of the following two structures:
1) The position feedback mechanism comprises a limit switch and a trigger piece, and after the two contacts on the first bracket are contacted with the surface of the printing stock to be printed, the trigger piece triggers the limit switch, the X-axis direction driving mechanism stops working or the X-axis direction driving mechanism drives the ink box to continuously move a certain distance to the ink box and then stops working; the limit switch can be a mechanical proximity switch or a photoelectric switch.
2) The position feedback mechanism is a pressure sensor arranged at the contact point, after the two contact points on the first support are contacted with the surface of the printing stock to be sprayed, the pressure sensor is extruded by the printing stock, and when the pressure value detected by the pressure sensor is greater than or equal to a set value, the X-axis direction driving mechanism stops working.
When the two contacts are in contact with the surface of a printing stock, the X-axis driving mechanism drives the first sliding block, the first support and the ink box to continuously move towards the printing stock together, the ink box is extruded by the printing stock, at the moment, the motor current driven by the X-axis driving mechanism starts to increase, the distance from the two ends of the ink box spray head to the surface of the printing stock to be sprayed is equal, the distance from the ink box spray head to the surface of the printing stock to be sprayed is 2-5mm, the requirement of spraying is met, and the effect of high motor current plays a limiting role.
Although the high motor current indicates that the required positional relationship between the ink cartridge nozzle and the surface of the substrate has been satisfied. However, the force of mutual extrusion between the printing material and the two optical contacts of the first bracket is smaller, that is, the structural stability between the ink box and the printing material is poor, and the printing material can shift in position and even separate from the contacts along with the rotation of the printing material in the jet printing process. Therefore, after the two contacts are contacted with the surface of the printing stock through the position feedback mechanism, the X-axis driving mechanism drives the first sliding block, the first bracket and the ink box to continuously move towards the printing stock for a certain distance, so that shaking or position deviation can be avoided as much as possible in the rotating process of the printing stock, even the printing stock is separated from the contacts, and the jet printing quality and the structural stability are improved.
Further improved, the position feedback mechanism comprises a limit switch and a trigger piece; the first sliding block is fixedly provided with a second sliding rail, the second sliding rail is provided with a second sliding block, the second sliding block can move back and forth along the second sliding rail, the second sliding block is parallel to the moving direction of the first sliding block, the first support is rotationally connected with one end of the second sliding block, the other end of the second sliding block is used as a trigger piece, and the limit switch is arranged at one end, close to the trigger piece, of the first sliding block.
In the process that two contacts are contacted with the surface of a printing stock, the X-axis driving mechanism drives the first sliding block, the first support and the ink box to continuously move towards the printing stock together, when the two contacts are contacted with the surface of the printing stock and extruded, the ink box receives directional acting force to push the second sliding block and the first support to move towards one end far away from the printing stock along the second sliding rail, after the tail end of the second sliding block triggers the limit switch, the X-axis driving mechanism drives to stop working, the first support and the ink box do not move along the X-axis direction any more, and the stress of the ink box is in a balanced state. Through setting up second slide rail and second slider, improve structural design's rationality and stability, guarantee that the motion of first support and ink horn in X axle direction is more smooth and easy.
Further improved, one end of the second sliding block is fixedly provided with at least one first guide rod, the first sliding block is provided with a first guide hole or guide groove, the other end of each first guide rod is movably inserted into a corresponding first guide hole or guide groove, and the first guide rods and the second sliding rail are arranged in parallel.
In the process that the ink box receives directional acting force to push the second sliding block and the first bracket to move along the second sliding rail to one end far away from the printing stock, the first guide rod moves along the first guide hole or the guide groove along the X axis. Through setting up first guide bar and first guiding hole or guide way, improve structural stability, prevent that the second slider from driving when first support and ink horn follow the motion of second slide rail, take place skew etc. leads to the motion to be obstructed and influences the jet printing effect.
Further improved, an elastic piece is arranged between the first sliding block and the second sliding block, after two contacts on the first support are contacted with the surface of the printing stock to be printed, the elastic piece starts to deform, and when the spray head of the ink box and the surface of the printing stock form the position relation required by the printing, the elastic piece is in a compressed state.
The force of mutual extrusion between the contact and the printing stock cannot be too small or too large, so that the printing stock can shake in the rotation process, and the position of the printing stock can be propped and deviated too large. By arranging the elastic piece, the ink box nozzle has a buffering effect, so that the ink box nozzle and the surface of a jet printing object can meet the position relation required by jet printing, and the contact is prevented from being propped against the position of the object; in addition, after the jet printing is finished, the ink box can be automatically reset in time under the action of the restoring force of the elastic piece.
Further improved, the elastic piece is a spring, and the spring is sleeved on the first guide rod; or the spring is not sleeved on the first guide rod, and two ends of the spring are respectively fixed on the corresponding first sliding block and second sliding block;
Or the elastic piece is an elastic rubber column, and two ends of the elastic piece are respectively fixed on the corresponding first sliding block and second sliding block.
Further improved, the one end that the trigger piece was kept away from to the second slider is provided with the second support, including first pole setting, bottom plate and the second pole setting that links firmly in proper order, the whole U-shaped that is of second support, first support and ink horn are located between first pole setting, the second pole setting, and the both sides of first support rotate with first pole setting, the second pole setting of corresponding side respectively and be connected.
Through setting up the second support, be convenient for first support and second slider rotate to be connected.
Further improved, the two contacts are rollers rotatably arranged on the first support, and the rollers can roll along the surface of a printing stock in the jet printing process. Preventing the ink cartridge from blocking when the ink cartridge and the printing stock relatively move.
Further improved, limiting plates with U-shaped grooves are arranged on two sides of the first support, and the first vertical rods and the second vertical rods are movably clamped in the U-shaped grooves of the corresponding side limiting plates. When the first support and the ink box rotate around the rotation connection point relative to the second support, the side wall of the U-shaped groove of the limiting plate limits the rotation angle of the first support and the ink box, and the width of the U-shaped groove solves the deflection angle of the first support and the ink box. The U-shaped grooves are formed in the limiting plates on the two sides of the first support, so that the ink box is prevented from being excessively deflected to influence jet printing.
Compared with the prior art, the invention has the beneficial effects that:
Through setting up Y axle direction actuating mechanism, X axle direction drive to and mechanism adjustment mechanism, then can spout the seal to the printing stock that different sizes and surface curvature radius are different, the suitability is strong, has improved structural stability and spouts the seal quality simultaneously.
Drawings
Fig. 1 is a block diagram showing an ink cartridge driving apparatus of a surface jet printing apparatus according to the present invention.
Fig. 2 is a structural view of the third bracket.
Fig. 3 is a structural view of the first slider.
Fig. 4 is a structural view of the connection plate.
Fig. 5 is a structural view of the second slide rail.
Fig. 6 is a structural view of the second slider.
Fig. 7 is a structural view of the second bracket.
Fig. 8 is a structural view of the first bracket base plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 8, an ink cartridge driving apparatus of a surface jet printing apparatus includes:
The Y-axis direction driving mechanism is used for driving the ink box to move up and down along the Y-axis direction;
an X-axis direction driving mechanism 1 for driving the ink cartridge to move left and right in the X-axis direction;
And the adjusting mechanism 2 is used for adjusting the spray head of the ink box to ensure that the spray head and the surface of the printing stock meet the position relation required by spray printing.
In this embodiment, the Y-axis direction is a vertical direction, the X-axis direction is a horizontal direction, and the Y-axis and the X-axis may be perpendicular to each other. In other embodiments, the Y-axis direction may have an angle with the vertical direction; the X-axis direction can form a certain included angle with the horizontal direction; the Y-axis and the X-axis may or may not be perpendicular to each other. The Y-axis direction driving mechanism and the X-axis direction driving mechanism can drive the ink box to move in the three-dimensional space, so that the ink box can approach to the printing stock.
When the printing stock is subjected to jet printing, the Y-axis direction driving mechanism drives the X-axis direction driving mechanism and the ink box to integrally move upwards or downwards, so that the ink box reaches the required height; meanwhile, the X-axis direction driving mechanism drives the ink box to move leftwards or rightwards, so that the ink box is close to a printing stock, and meanwhile, the adjusting mechanism starts to work to adjust the position of the ink box, so that the distance from the two ends of a wider ink box spray head to a spray printing area of the printing stock is equal, the cambered surface of the printing stock can be adapted, the difference between the two ends of the spray head and the surface distance of the printing stock is prevented, and the ink box is deviated in the spray printing process to influence the spray printing effect.
Although the surface of the whole printing stock is a cambered surface, even a cambered surface with different curvature radius, small areas corresponding to the ink box spray heads instantaneously can be regarded as planes or cambered surfaces with unchanged curvature radius, such as cylindrical surfaces and the like, so long as the spray heads of the ink box are parallel to the printing stock surface to-be-sprayed area, namely the distances from the two ends of the ink box spray heads to the printing stock surface to-be-sprayed area are equal, the distance from the ink box spray heads to the printing stock surface to-be-sprayed area is required to be 2-5mm.
In this embodiment, when both contacts are in contact with the surface of the print substrate, the distance between the ink cartridge nozzle and the area to be printed on the surface of the print substrate is 3mm.
Through setting up Y axle direction actuating mechanism, X axle direction drive to and mechanism adjustment mechanism, then can spout the seal to the printing stock that different sizes and surface curvature radius are different, the suitability is strong, has improved structural stability and spouts the seal quality simultaneously.
In this embodiment, the X-axis direction driving mechanism 1 includes a third bracket 11, a first motor 12, a first slider 25, a first screw 13, and two first polished rods 14. The first lead screw 13 and two first polished rods 14 are arranged on the third support 11 in parallel, wherein two ends of the two first polished rods 14 are fixedly connected with the third support 11, two ends of the first lead screw 13 are rotatably connected with the third support 11, the first motor 12 is fixedly arranged on the third support 11, and the first motor 12 drives the first lead screw 13 to rotate. Two unthreaded holes and a threaded hole have been seted up on the first slider 25, and first slider 25 cover is established on first lead screw 13 and first polished rod 14, and wherein first lead screw 13 passes threaded hole and first slider 25 threaded connection, and two first polished rods 14 pass corresponding unthreaded holes respectively. The first screw 13 is located between two first polished rods 14. The first motor 12 drives the first screw rod 13 to rotate and drives the first sliding block 25 to move along the first polish rod 14, so that the aim of driving the adjusting mechanism 2 and the ink box to approach or separate from printing materials in the X-axis direction is fulfilled.
In this embodiment, the Y-axis direction driving mechanism (not shown in the figure) includes a fourth bracket, a second motor, a second screw, and two second polished rods; the second lead screw and the two second polished rods are arranged on the fourth support, the third support 11 is sleeved on the second lead screw and the two second polished rods as a fourth sliding block, the third support is in threaded connection with the second lead screw, the second motor drives the second lead screw to rotate, and the third support, the whole X-axis direction driving mechanism and the whole ink box are driven to move in the Y-axis direction along the second polished rod.
In other embodiments, the Y-axis direction driving mechanism and the X-axis direction driving mechanism may be other structures as long as the driving of the ink cartridge in the Y-axis and the X-axis movement is satisfied.
In this embodiment, the adjusting mechanism 2 includes a first slider 25 and a first bracket 21 for fixing the ink cartridge, the first bracket 21 is rotatably connected with the first slider 25, and the ink cartridge 3 is detachably mounted on the first bracket; two contacts 22 are arranged at one end of the first bracket, which is close to the ink box nozzle, and the two contacts 22 are distributed at the upper end and the lower end of the nozzle; the X-axis driving mechanism 1 drives the first sliding block 25, the first support 21 and the ink box 3 to approach the printing stock together, when one of the contacts is contacted with the printing stock and extruded, the first support and the ink box rotate together around the first sliding block, so that the two contacts are contacted with the surface of the printing stock, and the spray head of the ink box and the surface of the printing stock meet the position relation required by spray printing.
When one of the contacts is contacted with a printing stock, the X-axis driving mechanism drives the first sliding block, the first support and the ink box to continuously move towards the printing stock, the contact is extruded by the printing stock, the first support and the ink box rotate around the first sliding block together, and then the two contacts are contacted with the surface of the printing stock, so that the purpose that the spray head of the ink box and the surface of the printing stock meet the position relation required by spray printing is achieved.
In this embodiment, the device further includes a position feedback mechanism, and after both contacts on the first support contact the surface to be printed of the printing object, the position feedback mechanism acts, and the X-axis direction driving mechanism performs a next action according to an action signal of the position feedback mechanism.
In this embodiment, the position feedback mechanism includes a limit switch and a trigger piece, where after two contacts on the first support are both contacted with the surface to be printed of the printing stock, the trigger piece triggers the limit switch, and then the X-axis direction driving mechanism drives the ink cartridge to continuously move a set distance towards the ink cartridge, and then stops working, i.e. the stepper motor of the X-axis direction driving mechanism continuously rotates for a set number of pulses. The limit switch can be a mechanical proximity switch or a photoelectric switch.
In other embodiments, the position feedback mechanism may be a pressure sensor installed at a contact point, where after both contacts on the first support contact the surface to be printed of the printing material, the pressure sensor is pressed by the printing material, and when the pressure value detected by the pressure sensor is greater than or equal to a set value, the X-axis direction driving mechanism stops working.
When the two contacts are in contact with the surface of a printing stock, the X-axis driving mechanism drives the first sliding block, the first support and the ink box to continuously move towards the printing stock together, the ink box is extruded by the printing stock, at the moment, the motor current driven by the X-axis driving mechanism starts to increase, the distance from the two ends of the ink box spray head to the surface of the printing stock to be sprayed is equal, the distance from the ink box spray head to the surface of the printing stock to be sprayed is 2-5mm, the requirement of spraying is met, and the effect of high motor current plays a limiting role.
Although the high motor current indicates that the required positional relationship between the ink cartridge nozzle and the surface of the substrate has been satisfied. However, the force of mutual extrusion between the printing material and the two contacts of the first bracket is smaller, that is, the structural stability between the ink box and the printing material is poor, and the printing material can shift in position and even separate from the contacts along with the rotation of the printing material in the jet printing process. Therefore, after the two contacts are contacted with the surface of the printing stock through the position feedback mechanism, the X-axis driving mechanism drives the first sliding block, the first bracket and the ink box to continuously move towards the printing stock for a certain distance, so that shaking or position deviation can be avoided as much as possible in the rotating process of the printing stock, even the printing stock is separated from the contacts, and the jet printing quality and the structural stability are improved.
In this embodiment, the first sliding rail 25 is fixedly provided with a second sliding rail 26, the second sliding rail 26 is provided with a second sliding block 27, the second sliding block 27 can move back and forth along the second sliding rail 26, the moving direction of the second sliding block and the first sliding block 25 is parallel, the first bracket 21 is rotatably connected with one end of the second sliding block 27,
In this embodiment, the first slider 25 is an L-shaped sheet metal member bent by a steel plate, one end of the first slider is provided with a hole for connecting with the first screw rod 13 and the two first polished rods 14, and the other end of the first slider is fixedly connected with the second slide rail 26 through a connecting piece.
In other embodiments, the L-shaped sheet metal part and the connecting member are integrally formed as the first slider 25.
In this embodiment, a connecting plate 28 is fixedly disposed on the second slider 27 along the length direction thereof, the tail end of the connecting plate 28 is a trigger member, and the limit switch is disposed on one end of the first slider close to the trigger member.
In the process that both contacts are contacted with the surface of a printing stock, the X-axis driving mechanism drives the first sliding block, the first support and the ink box to continuously move towards the printing stock together, when both contacts are contacted with the surface of the printing stock and extruded, the ink box receives acting force to push the second sliding block 27, the connecting plate 28 and the first support 21 to move towards one end far away from the printing stock along the second sliding rail, after the tail end of the connecting plate 28 is used as a trigger piece 281 to trigger a limit switch, the X-axis driving mechanism drives to stop working, then the first support and the ink box do not move along the X-axis direction any more, and the stress of the ink box is in a balanced state. Through setting up second slide rail and second slider, improve structural design's rationality and stability, guarantee that the motion of first support and ink horn in X axle direction is more smooth and easy.
In other embodiments, the connection plate 28 may not be provided, and the end of the second slider may be directly used as the trigger.
In this embodiment, two first guide rods are fixedly disposed at one end of the second slider 27, a first guide hole (or a guide groove) is formed in the first slider 25, and the other end of each first guide rod is movably inserted into a corresponding first guide hole, where the first guide rod and the second slide rail are disposed in parallel.
In the process that the ink box receives directional acting force to push the second sliding block and the first support to move along the second sliding rail to one end far away from the printing stock, the first guide rod moves along the first guide hole in an X-axis mode. Through setting up first guide bar and first guiding hole, improve structural stability, prevent that the second slider from driving when first support and ink horn follow the motion of second slide rail, take place skew etc. leads to the motion to be obstructed and influences the jet printing effect.
In this embodiment, an elastic member 24 is disposed between the first slider and the second slider, and the elastic member is in a compressed state when both contacts of the first support 21 contact the surface to be printed of the printing stock.
By arranging the elastic piece, the buffer effect is achieved, the distance between the two ends of the ink box spray head and the to-be-sprayed area on the surface of the printing stock is ensured to be equal, the position relation required by spray printing is met, and meanwhile, the position of the printing stock is prevented from being propped and deviated; in addition, after the jet printing is finished, the ink box can be automatically reset in time under the action of the restoring force of the elastic piece.
In this embodiment, the elastic member is a spring 24, and the spring is sleeved on the first guide rod; in other embodiments, the spring is not sleeved on the first guide rod, and two ends of the spring are respectively fixed on the corresponding first sliding block and second sliding block;
In other embodiments, the elastic member is an elastic rubber column, and two ends of the elastic member are respectively fixed on the corresponding first sliding block and second sliding block.
In this embodiment, the end of the second slider away from the trigger piece is provided with a second bracket 23, which includes a first upright 231, a bottom plate and a second upright 232 that are sequentially and fixedly connected, the second bracket 23 is integrally U-shaped, the first bracket 21 and the ink cartridge 3 are located between the first upright 231 and the second upright 232, and two sides of the first bracket are respectively connected with the first upright and the second upright on the corresponding sides in a rotating manner;
The first guide rod and the second slider, and the end of the connecting plate 28 far away from the limit switch are fixedly connected with the first upright 231.
By providing the second bracket 23, the first bracket is facilitated to be rotatably connected with the second slider.
In this embodiment, two sides of the bottom plate of the first bracket 21 are turned outwards to form a limiting plate 211, the limiting plate 211 is provided with a U-shaped groove 212, and the first upright post 231 and the second upright post 232 are movably clamped in the U-shaped groove 212 of the corresponding side limiting plate 222. When the first support and the ink box rotate around the rotation connection point relative to the second support, the side wall of the U-shaped groove of the limiting plate limits the rotation angle of the first support and the ink box, and the width of the U-shaped groove solves the deflection angle of the first support and the ink box. The U-shaped grooves are formed in the limiting plates on the two sides of the first support, so that the ink box is prevented from being excessively deflected to influence jet printing.
In this embodiment, the two contacts 22 are rollers rotatably disposed on the first support, and the rollers can roll along the surface of the printing stock during the jet printing process. Preventing the ink cartridge from blocking when the ink cartridge and the printing stock relatively move. The roller may be an omni-directional wheel or a unidirectional wheel connected by bearings.
In other embodiments, the contacts 22 may be in other configurations, such as bumps, etc.
It should be understood that the detailed description and specific examples, while indicating the invention, are intended for purposes of illustration only and are not intended to limit the invention; any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. An ink cartridge driving apparatus of a surface jet printing apparatus, comprising:
The Y-axis direction driving mechanism is used for driving the ink box to move along the Y-axis direction;
an X-axis direction driving mechanism for driving the ink cartridge to move along the X-axis direction;
The adjusting mechanism is used for adjusting the spray head of the ink box to form a position relation required by spray printing with the surface of a printing object;
The adjusting mechanism comprises a first sliding block and a first bracket for fixing the ink box, the first bracket is rotationally connected with the first sliding block, and the ink box is detachably arranged on the first bracket; two contacts are arranged at one end, close to the ink box spray head, of the first support, and the two contacts are distributed on two sides of the spray head; the X-axis direction driving mechanism drives the first sliding block, the first support and the ink box to approach the printing stock together, when one of the contacts is contacted with the printing stock and extruded, the first support and the ink box rotate together around the first sliding block to enable the two contacts to be contacted with the surface of the printing stock, and then a spray head of the ink box and the surface of the printing stock form a position relation required by spray printing;
The device also comprises a position feedback mechanism, wherein after the two contacts on the first bracket are contacted with the surface of the printing stock to be printed, the position feedback mechanism acts, and the X-axis direction driving mechanism performs the next action according to the action signal of the position feedback mechanism; the position feedback mechanism is one of the following two structures:
1) The position feedback mechanism comprises a limit switch and a trigger piece, and after the two contacts on the first bracket are contacted with the surface of the printing stock to be printed, the trigger piece triggers the limit switch, the X-axis direction driving mechanism stops working or the X-axis direction driving mechanism drives the ink box to continuously move a certain distance to the ink box and stops working, namely, the stepping motor of the X-axis direction driving mechanism continuously rotates for a set number of pulses and stops working;
2) The position feedback mechanism is a pressure sensor arranged at the contact point, after the two contact points on the first support are contacted with the surface of the printing stock to be sprayed, the pressure sensor is extruded by the printing stock, and when the pressure value detected by the pressure sensor is greater than or equal to a set value, the X-axis direction driving mechanism stops working.
2. The ink cartridge driving device of the surface jet printing apparatus according to claim 1, wherein the position feedback mechanism includes a limit switch and a trigger;
The first sliding block is fixedly provided with a second sliding rail, the second sliding rail is provided with a second sliding block, the second sliding block can move back and forth along the second sliding rail, the second sliding block is parallel to the moving direction of the first sliding block, the first support is rotationally connected with one end of the second sliding block, the other end of the second sliding block is used as a trigger piece, and the limit switch is arranged on the first sliding block and close to one end of the trigger piece.
3. The ink cartridge driving device of the surface jet printing apparatus according to claim 2, wherein one end of the second slider is fixedly provided with at least one first guide rod, the first slider is provided with a first guide hole or guide groove, the other end of each first guide rod is movably inserted into a corresponding first guide hole or guide groove, and the first guide rod is arranged in parallel with the second slide rail.
4. The ink cartridge driving device of the surface jet printing apparatus according to claim 3, wherein an elastic member is provided between the first slider and the second slider, and after both contacts on the first bracket are in contact with the surface to be jet printed of the printing stock, the elastic member starts to deform, and the elastic member is in a compressed state when the nozzle of the ink cartridge and the surface of the printing stock form a positional relationship required for jet printing.
5. The ink cartridge driving device of the surface jet printing apparatus according to claim 4, wherein the elastic member is a spring, and the spring is sleeved on the first guide rod; or the spring is not sleeved on the first guide rod, and two ends of the spring are respectively fixed on the corresponding first sliding block and second sliding block;
Or the elastic piece is an elastic rubber column, and two ends of the elastic piece are respectively fixed on the corresponding first sliding block and second sliding block.
6. The ink cartridge driving device of the surface jet printing apparatus according to any one of claims 2 to 5, wherein a second bracket is arranged at one end of the second slider far away from the trigger piece, the second bracket comprises a first upright, a bottom plate and a second upright which are fixedly connected in sequence, the second bracket is U-shaped as a whole, the first bracket and the ink cartridge are positioned between the first upright and the second upright, and two sides of the first bracket are respectively connected with the first upright and the second upright on corresponding sides in a rotating way.
7. The ink cartridge driving device of the surface jet printing equipment according to claim 6, wherein limiting plates with U-shaped grooves are arranged on two sides of the first bracket, and the first upright rod and the second upright rod are movably clamped in the U-shaped grooves of the corresponding side limiting plates; when the first bracket and the ink box rotate around the rotation connection point relative to the second bracket, the side wall of the U-shaped groove of the limiting plate limits the rotation angle of the U-shaped groove.
8. The ink cartridge driving device of a surface jet printing apparatus according to claim 6, wherein the two contact points are both rollers rotatably provided on the first frame, and the rollers are capable of rolling along the surface of the printing stock during the jet printing process.
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| CN201910898433.6A CN110481162B (en) | 2019-09-20 | 2019-09-20 | Ink box driving device of surface jet printing equipment |
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| CN201910898433.6A CN110481162B (en) | 2019-09-20 | 2019-09-20 | Ink box driving device of surface jet printing equipment |
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| CN111959126B (en) * | 2020-08-27 | 2022-03-22 | 珠海艾派克微电子有限公司 | Ink box |
| CN112810324B (en) * | 2020-12-30 | 2022-09-23 | 嘉兴市和辉电力科技有限公司 | Multi-curved surface printing device and operation method thereof |
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