CN211363857U - Ink recovery device of gravure press - Google Patents

Abstract

The utility model relates to an intaglio press's printing ink recovery unit, it includes the china ink groove, and the china ink groove is connected with the china ink bucket through going out the china ink union coupling, and the china ink bucket has the pneumatic diaphragm pump that output and china ink groove are connected through returning the china ink union coupling, and the china ink bucket includes staving and the bung that is located the staving top, and the lateral wall of staving is provided with annular bulge, and the bottom surface of bung is provided with the ring of flexible material, and the external diameter of ring equals with the internal diameter on staving top, is provided with multiunit strutting arrangement in the ring. The barrel cover covers the barrel body, the annular bulge extrudes the side wall of the circular ring, and the supporting device supports the circular ring, so that the circular ring is tightly abutted against the side wall of the barrel body, the contact between the internal gas and the external gas of the ink barrel is avoided, the water loss is reduced, the quality of recovered ink is improved, and the waste is avoided.

Description

Ink recovery device of gravure press

Technical Field

The utility model belongs to the technical field of the technique of gravure press and specifically relates to a printing ink recovery unit of gravure press is related to.

Background

The intaglio printing press is a printing mode that the inked part of a printing plate is sunken, and after the plate roller of the intaglio printing press is inked, ink is scraped by a scraper, and only the ink in the intaglio cells is left. After the printing film is contacted with the plate roller, the printing ink is transferred to the printing die to form a pattern, and the printing process is finished. An intaglio printing press generally uses an ink transfer roller to transfer ink in a black tank to assist in completing an inking process of a plate roller of the intaglio printing press, and the ink in the black tank is generally recycled by using a recycling device.

Existing, as chinese patent utility model patent application publication No. CN206520332U discloses an intaglio press printing ink circulating device, including ink plate and china ink bucket, be provided with oil-out and oil inlet on the ink plate, oil inlet department is connected with pneumatic diaphragm pump, and pneumatic diaphragm pump is connected to in the china ink bucket through the oil absorption pipe, and the oil-out is the tube-shape, and the filter cylinder cover is established to cooperation cover on the oil-out, and the built-in filter screen of one end of oil-out is kept away from to the filter cylinder cover, and the one end of keeping away from the oil-out of filter cylinder cover is provided with the filter screen pocket, and filter screen pocket bottom is soaked in. It can filter the ink of retrieving in the ink tray, improves its clean degree.

The above prior art solutions have the following drawbacks: after ink was retrieved the china ink bucket from the ink dish, printing ink was deposited in the china ink bucket for a long time, and the inner space and the atmosphere intercommunication of depositing in-process china ink bucket make the moisture evaporation of printing ink easily, cause the consistency of printing ink to increase, make the quality of printing ink reduce, the condition that printing ink can not reuse appears, causes the waste.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an intaglio press's printing ink recovery unit through the leakproofness that improves the china ink bucket, avoids printing ink moisture evaporation, and the printing quality of guarantee printing ink avoids extravagant.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides an intaglio press's printing ink recovery unit, includes the china ink groove, the china ink groove is connected with the china ink bucket through going out the china ink union coupling, the china ink bucket has the pneumatic diaphragm pump that output and china ink groove are connected through returning the china ink union coupling, the china ink bucket includes staving and the bung that is located the staving top, the lateral wall of staving is provided with annular bulge, the bottom surface of bung is provided with the ring of flexible material, the external diameter of ring equals with the internal diameter on staving top, be provided with multiunit strutting arrangement in the ring.

Through adopting above-mentioned technical scheme, inside the china ink bucket is retrieved through an oil pipe to the inside printing ink of china ink groove, when closing the bung lid on the staving, be less than the diameter of ring between the staving of annular protruding position, annular protruding extrusion ring, the strutting arrangement of the inside of ring carries the holding power to the ring, make the ring support tightly on the inside wall of staving, seal the inside space of china ink bucket, can improve the quality of printing ink, avoid the inside printing ink of china ink bucket and outside air contact and run off moisture, thereby become dense, can not reuse, cause the waste.

The utility model discloses further set up to: the supporting device comprises an arc-shaped plate abutted to the inner side wall of the circular ring, a supporting rod fixed on one side of the arc-shaped plate, which faces away from the circular ring, and a supporting spring connected with the arc-shaped plate, wherein a square seat is arranged in the middle of the barrel cover, and the square seat is connected with one end, far away from the arc-shaped rod, of the supporting spring.

Through adopting above-mentioned technical scheme, when the bung lid closes in the staving top, the protruding extrusion ring of annular makes ring extrusion arc and bracing piece, makes the supporting spring compression, provides the reaction force simultaneously, makes the arc support tight ring inside wall to the ring supports tightly each other with the inside wall of staving, provides sealed effect to the china ink bucket, and the contact with outside gas in the isolated china ink bucket avoids moisture to lose.

The utility model discloses further set up to: the ink tank is characterized in that a connecting part is arranged on the top surface of the barrel cover and comprises a connecting barrel and a protective barrel sleeved on the outer side wall of the connecting barrel, the barrel cover is provided with an oil through hole communicated with the connecting barrel, and one end, away from the ink tank, of the ink outlet pipe is sleeved on the outer wall of the connecting barrel.

Through adopting above-mentioned technical scheme, inside ink in the china ink groove flowed to the china ink bucket from going out the china ink pipe, retrieved the completion back when printing ink, goes out the china ink pipe and can follow the connecting cylinder and pull out, conveniently shifts the china ink bucket.

The utility model discloses further set up to: an interval is reserved between the connecting cylinder and the protection cylinder, and an air pressure balance hole is formed in the position, between the connecting cylinder and the protection cylinder, of the barrel cover.

By adopting the technical scheme, after the ink outlet pipe is pulled out of the connecting cylinder, part of ink stained on the outer wall of the connecting cylinder can flow together between the connecting cylinder and the protective cylinder for collection, and then flows into the barrel body from the air pressure balance hole; meanwhile, the pressure intensity in the barrel body can be balanced through the air pressure balancing hole, so that the ink in the ink tank can flow into the barrel body from the ink outlet pipe.

The utility model discloses further set up to: the barrel cover is connected with a rubber plug for plugging the connecting part through a soft rope.

Through adopting above-mentioned technical scheme, the rubber buffer mutually supports with the looks form of connecting portion, goes out the china ink pipe and pulls out the back from the connecting cylinder, and the rubber plug jam provides the closure effect at connecting portion position, avoids the inside gas of china ink bucket and outside air contact, improves the leakproofness of china ink bucket.

The utility model discloses further set up to: the oil through hole is connected with a guide pipe with the bottom end extending into the bottom in the barrel body.

Through adopting above-mentioned technical scheme, go out the china ink pipe and lead to the bucket oil hole position with the inside printing ink of china ink groove, the honeycomb duct carries out the water conservancy diversion to the printing ink that leads to in the oil hole, avoids printing ink to splash around the staving is inside, splashes because the content is less at the printing ink of staving inside wall, takes place to condense easily, reduces the quality of printing ink.

The utility model discloses further set up to: and the ink return pipe is provided with a check valve.

Through adopting above-mentioned technical scheme, the flow of printing ink in the check valve control return line provides sealed effect simultaneously, makes printing ink store inside the staving, avoids printing ink to store inside the return line.

To sum up, the utility model discloses a beneficial technological effect does:

1. the ink in the ink groove is recycled into the ink barrel through the oil outlet pipe, when the barrel cover is covered on the barrel body, the diameter between the barrel bodies at the positions of the annular bulges is smaller than the diameter of the circular ring, the circular ring is extruded by the annular bulges, and the supporting force of the supporting device in the circular ring is improved, so that the circular ring is tightly abutted against the inner side wall of the barrel body, the space in the ink barrel is sealed, the quality of the ink is improved, the ink in the ink barrel is prevented from contacting with the outside air to lose moisture, the ink becomes thick and cannot be reused to cause waste;

2. the annular bulge extrudes the circular ring, so that the circular ring extrudes the arc-shaped plate and the supporting rod, the supporting spring is compressed, and meanwhile, a reaction force is provided, so that the arc-shaped rod abuts against the inner side wall of the circular ring, therefore, the circular ring and the inner side wall of the barrel body abut against each other, a sealing effect is provided for the ink barrel, the contact between the inside of the ink barrel and external air is isolated, and the loss of moisture is avoided;

3. inside the printing ink of china ink groove flows to china ink bucket from going out the china ink pipe, the inside pressure of staving can be balanced in the atmospheric pressure balancing hole, after printing ink recovery is accomplished, go out the china ink pipe and can follow the connecting cylinder and pull out, the part is infected with and can converges between connecting cylinder and the protective barrel at the printing ink of connecting cylinder outer wall and collect, then flow into the staving inside from the atmospheric pressure balancing hole, with the rubber stopper jam in connecting portion position, provide the sealing effect, avoid the inside gas of china ink bucket and outside air contact, improve the leakproofness of china ink bucket.

Drawings

FIG. 1 is a schematic view showing the overall structure of an ink recovery apparatus of an intaglio printing press;

FIG. 2 is a schematic sectional view of the ink tank;

fig. 3 is a sectional structure diagram of the tub cover.

In the figure, 1, a frame; 11. a printing roller; 12. a platen roller; 13. an ink tank; 131. an ink outlet pipe; 14. a drop roller; 2. an ink tank; 21. a barrel body; 211. an annular projection; 212. an ink return pipe; 2121. a check valve; 213. a pneumatic diaphragm pump; 22. a barrel cover; 221. a square base; 2211. mounting holes; 222. a connecting cylinder; 223. a protective cylinder; 224. an oil through hole; 225. an air pressure balancing hole; 226. a flow guide pipe; 227. an air duct; 3. a support device; 31. an arc-shaped plate; 32. a support bar; 33. a support spring; 4. a circular ring; 5. a rubber plug; 51. a soft rope.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a printing ink recovery unit of gravure press, including frame 1, rotate the printing roller 11 of installing the rubber material on the frame 1, frame 1 is located the top rotation of printing roller 11 and installs embossing roll 12, leaves the clearance that supplies the printing film to pass through between embossing roll 12 and the printing roller 11. An ink transfer roller 14 is rotatably mounted below one side of the printing roller 11 on the frame 1, the ink transfer roller 14 and the printing roller 11 are abutted against each other, an ink tank 13 is mounted below the ink transfer roller 14 on the frame 1, ink for printing is contained in the ink tank 13, and the lower side of the ink transfer roller 14 is immersed in the ink.

The bottom end of the ink tank 13 is connected with an ink outlet tube 131 made of flexible materials, one end of the ink outlet tube 131, which is far away from the ink tank 13, is detachably connected with the ink barrel 2, the bottom end of the ink barrel 2 is connected with an ink return tube 212, one end of the ink return tube 212, which is close to the ink barrel 2, is provided with a check valve 2121, one end of the ink return tube 212, which is far away from the ink barrel 2, is connected with a pneumatic diaphragm pump 213, and the output end of the pneumatic diaphragm pump 213.

Referring to fig. 2, the ink barrel 2 includes a barrel body 21 and a barrel cover 22 covering the barrel body 21, a ring 4 made of a flexible material is fixed on the inner bottom surface of the barrel cover 22, the outer diameter of the ring 4 is equal to the inner diameter of the top of the barrel body 21, and when the barrel cover 22 covers the barrel body 21, the ring 4 is inserted into the inner top end of the barrel body 21. The inside wall of staving 21 is close to top position and is fixed with annular protrusion 211, and staving 21 is located the diameter that annular protrusion 211 is less than the diameter on staving 21 top, and the interval of annular protrusion 211 to staving 21 top is less than the length of ring 4, and ring 4 supports tightly each other with the lateral wall of staving 21 when annular protrusion 211, provides sealed effect.

Referring to fig. 3, four sets of supporting devices 3 are installed inside the circular ring 4, and the circular ring 4 is sealed on one side away from the barrel cover 22, so that the supporting devices 3 are prevented from being polluted by printing ink and are difficult to clean. The supporting device 3 comprises arc plates 31, supporting rods 32 and springs, the outer arc surfaces of the four arc plates 31 are abutted to the inner side wall of the circular ring 4 at intervals and at equal intervals, and the supporting rods 32 are vertically fixed on one surface of the arc plates 31, which faces away from the circular ring 4. The middle of the bottom surface of the barrel cover 22 is fixed with a square seat 221 extending into the inner portion of the circular ring 4, four side walls of the square seat 221 are provided with inward mounting holes 2211, a supporting spring 33 is fixed in the mounting holes 2211, and one end of the supporting rod 32 far away from the arc-shaped plate 31 extends into the mounting holes 2211 and is connected with the supporting spring 33. When the arc plate 31 and the circular ring 4 are abutted against each other, the supporting spring 33 is in a natural state; the ring 4 receives the extrusion when protruding 211 of annular, and arc 31 promotes bracing piece 32 extrusion supporting spring 33, and supporting spring 33 compression provides anti-holding power, makes arc 31 support tightly at the inside wall of ring 4, makes the inseparable butt of the lateral wall of ring 4 and the inside wall of staving 21, further strengthens sealed effect.

Referring to fig. 2, a connecting portion connected to the ink outlet tube 131 is fixed on a top surface of the barrel cover 22, the connecting portion includes a connecting barrel 222 and a protective barrel 223, and the protective barrel 223 is sleeved on an outer side wall of the connecting barrel 222 and spaced from the connecting barrel 222. The barrel cover 22 is provided with an oil through hole 224 communicated with the connecting barrel 222 and the barrel body 21, one end of the ink outlet pipe 131 far away from the ink tank 13 is sleeved on the outer side wall of the connecting barrel 222, and the ink in the ink tank 13 is conveyed to the inside of the ink barrel 2 by the ink outlet pipe 131.

The bottom surface of the barrel cover 22 is located at the oil through hole 224 and vertically extends to form a guide pipe 226, one end, far away from the oil through hole 224, of the guide pipe 226 extends to the position, close to the bottom, of the barrel body 21, so that the ink at the oil through hole 224 is guided, and the situation that the ink splashes to the position of the barrel cover 22 inside the barrel body 21 and is difficult to clean is avoided.

An air pressure balancing hole 225 communicated with the interior of the barrel body 21 is formed between the connecting barrel 222 and the protection barrel 223 of the barrel cover 22, the air pressure balancing hole 225 is connected with an air duct 227, and one end, far away from the barrel cover 22, of the air duct 227 extends out of the bottom end of the circular ring 4. Ink remaining from the connector barrel 222 may be collected between the connector barrel 222 and the shield barrel 223 and then flow into the inside of the tub 21 from the air pressure balance hole 225; meanwhile, the air pressure balancing hole 225 may balance the internal pressure of the barrel 21, so that the ink may flow into the barrel 21 from the ink outlet tube 131.

Referring to fig. 1 and 2, a rubber plug 5 is connected to the position of the barrel cover 22 close to the protective barrel 223 through the cord 51, the shape of the rubber plug 5 and the shape of the connecting portion are matched with each other, and after the ink outlet tube 131 is pulled out of the connecting barrel 222, the rubber plug 5 is blocked at the position of the connecting portion, providing a sealing effect.

The implementation principle of the embodiment is as follows: when bung 22 lid closes on staving 21, staving 21 is located the diameter that annular arch 211's diameter is less than ring 4's diameter, annular arch 211 extrudes ring 4, ring 4 extrudees arc 31 and bracing piece 32 simultaneously, make the compression of supporting spring 33 provide reaction force, the effort that supporting spring 33 provided is received to arc 31 supports ring 4 lateral wall, make the inseparable butt of lateral wall of ring 4 and staving 21, improve china ink bucket 2's leakproofness, avoid the inside gas of china ink bucket 2 and outside air to contact each other, reduce moisture loss. The ink inside the ink tank 13 flows into the ink barrel 2 through the ink outlet tube 131, and the pressure inside the ink barrel 2 is balanced with the atmosphere through the air pressure balancing hole 225, so that the ink can smoothly flow into the ink barrel 2. After the recovery is completed, the ink outlet tube 131 is pulled away from the connecting cylinder 222, and the ink left on the side wall of the connecting cylinder 222 can be collected at the space between the protective cylinder 223 and the connecting cylinder 222, and then flows into the inside of the barrel body 21 from the air pressure balance hole 225. The rubber plug 5 is plugged on the connecting part to seal the connecting part, so that the sealing performance of the ink barrel 2 is further improved, the water loss is reduced, the ink is prevented from becoming thick, the quality of the ink is improved, and the waste is reduced.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (7)

1. An ink recovery device of an intaglio printing press, characterized in that: including china ink groove (13), china ink groove (13) are connected with china ink bucket (2) through going out china ink pipe (131), china ink bucket (2) are connected with pneumatic diaphragm pump (213) that output and china ink groove (13) are connected through ink return pipe (212), china ink bucket (2) include staving (21) and lie in bung (22) of staving (21) top, the lateral wall of staving (21) is provided with annular arch (211), the bottom surface of bung (22) is provided with ring (4) of flexible material, the external diameter of ring (4) equals with the internal diameter on staving (21) top, be provided with multiunit strutting arrangement (3) in ring (4).

2. The ink recovery device of an intaglio printing press according to claim 1, characterized in that: strutting arrangement (3) include with arc (31) of the inside wall butt of ring (4), be fixed in arc (31) bracing piece (32) of ring (4) one side dorsad and with arc (31) interconnect's supporting spring (33), bung (22) middle part is provided with square seat (221), square seat (221) are connected with the one end that supporting spring (33) kept away from arc (31).

3. The ink recovery device of an intaglio printing press according to claim 1, characterized in that: the top surface of the barrel cover (22) is provided with a connecting part, the connecting part comprises a connecting barrel (222) and a protective barrel (223) sleeved on the outer side wall of the connecting barrel (222), the barrel cover (22) is provided with an oil through hole (224) communicated with the connecting barrel (222), and one end, away from the ink groove (13), of the ink outlet pipe (131) is sleeved on the outer wall of the connecting barrel (222).

4. The ink recovery device of an intaglio printing press according to claim 3, characterized in that: a space is reserved between the connecting cylinder (222) and the protective cylinder (223), and an air pressure balance hole (225) is formed in the position, between the connecting cylinder (222) and the protective cylinder (223), of the barrel cover (22).

5. The ink recovery device of an intaglio printing press according to claim 4, characterized in that: the barrel cover (22) is connected with a rubber plug (5) for plugging the connecting part through a soft rope (51).

6. The ink recovery device of an intaglio printing press according to claim 3, characterized in that: the oil through hole (224) is connected with a guide pipe (226) with the bottom end extending into the bottom in the barrel body (21).

7. The ink recovery device of an intaglio printing press according to claim 1, characterized in that: the ink return pipe (212) is provided with a check valve (2121).

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