CN211307910U

CN211307910U - A gluing machine for paper printed matter

Info

Publication number: CN211307910U
Application number: CN201921940037.7U
Authority: CN
Inventors: 曹庆
Original assignee: Huahui Printing Products Shenzhen Co ltd
Current assignee: Huahui Printing Products Shenzhen Co ltd
Priority date: 2019-11-09
Filing date: 2019-11-09
Publication date: 2020-08-21
Anticipated expiration: 2029-11-09

Abstract

The utility model relates to a gluing machine for paper printed matter, including barrel and roller, the roller setting is in the barrel, and the barrel rotates with the roller relatively, and the roller is the cavity form, is equipped with the through-hole on the roller outer wall, and roller outer wall both ends are fixedly connected with sleeve respectively, and the sleeve is equipped with the sealing ring with the roller junction, and the outer fixedly connected with bearing of sleeve, sleeve pass through the bearing with the barrel and are connected. The heating roller body is heated by constant-temperature water, heat transfer is fast, the temperature is convenient to adjust, the surface temperature of the roller is more uniform, and the surface flatness of the polyester film after gluing is better.

Description

A gluing machine for paper printed matter

Technical Field

The utility model belongs to the technical field of a gluing machine's technique and specifically relates to a gluing machine for paper printed matter is related to.

Background

The paper is a sheet made of plant fiber and can be used for writing and painting, printing books and newspapers, packaging and the like. In order to increase the gloss of printed paper and protect the printed paper from being blurred, a plastic film coated with an adhesive needs to be heated and bonded with a paper printed matter to form a paper-plastic integrated laminating product. The glued paper printed matter not only improves the glossiness and the fastness of the paper printed matter and prolongs the service life of the printed matter, but also has the protection effects of moisture resistance, water resistance, pollution resistance, wear resistance, chemical corrosion resistance and the like, so the glued printed paper is favored by the market deeply. As a method of protecting and decorating the surface of paper prints, the laminator plays a significant role in the processing of printed paper.

The gluing machine is a printing offset printing equipment, mainly implements gluing treatment on paper printed matter, the gluing treatment is to adhere the paper printed matter to be sealed in the plastic film by the processing of the gluing machine, because the processing process is carried out under certain pressure and high temperature, the high quality polyester film and the hot melt adhesive with good transparency are adopted. Therefore, the plastic-sealed paper printed matter can not be damaged at normal temperature, and the visual effect of the paper printed matter is improved. In order to realize mass production and improve the working efficiency, the area of paper is large, the paper is cut after passing glue, the glue passing process is realized by a heating roller, and the uniform heating of the polyester film by the whole heating roller directly influences the flatness of the surface of the polyester film after passing glue, so that the control of the glue passing temperature and the uniform heating are very important. In the existing heating device of the laminator, a heating element is generally arranged in a heating roller, the heating element is arranged in the heating roller, the heating roller is heated from inside to outside, and then hot-pressing lamination is performed. The heat of the heating element is transferred to the cylinder wall through the heat transfer of the air, the temperature of the cylinder wall surface and the uniformity of the temperature are difficult to be strictly controlled, especially when the temperature of the heating roller is higher than the set temperature, the heating can only be stopped, the heating roller waits for cooling, the surface temperature fluctuation of the cylinder body of the heating roller is likely to influence the flatness of the polyester film surface, and even wrinkles are caused to influence the quality of paper.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a gluing machine for paper printed matter gives heating roller barrel heating through constant temperature water, and heat transfer is fast, and the temperature regulation of being convenient for, and heating roller barrel surface temperature is more even moreover, and then paper surface flatness is better behind the gluing polyester film.

The above object of the present invention is achieved by the following technical solutions: the utility model provides a gluing machine for paper printed matter, the roller sets up in the barrel, and the barrel rotates with the roller relatively, and the roller is the cavity form, is equipped with the through-hole on the roller outer wall, and roller outer wall both ends fixedly connected with sleeve respectively, sleeve and roller junction are equipped with the sealing ring, and the outer fixedly connected with bearing of sleeve, sleeve and barrel pass through the bearing and are connected.

By adopting the technical scheme, when the heating roller is used for heating, hot water at a required temperature can be injected into the hollow roller shaft, the hot water flowing through the hollow roller shaft flows onto the cylinder body through the through holes on the roller shaft, so that the cylinder body is full of the hot water, and the outer wall of the cylinder body can be quickly heated up due to the large specific heat capacity of the water and the rapid heat transfer, and then hot-pressing and gluing are carried out; in the technical scheme, the heat of the flowing hot water is directly transmitted to the outer wall of the cylinder body, so that the surface temperature of the cylinder body is more uniform, the flatness of the polyester film gummed paper is better, and the effect of the gummed paper printed matter is improved; when the temperature of the heating roller is higher than the set temperature, the temperature of the cylinder body can be changed by adjusting the temperature of hot water without stopping work and waiting for cooling, so that the adjustment is facilitated.

Preferably, hollow water injection pipeline is connected to roller one end, and water injection pipeline is connected with the heating water tank, and the other end of roller is connected with hollow outlet conduit, and outlet conduit one end is connected with the heating water tank.

By adopting the technical scheme, the heat of the hot water with a certain temperature is timely conducted to the cylinder body, the temperature on the cylinder body of the heating roller is kept constant, meanwhile, the water in the water outlet pipeline can flow back to the heating water tank, so that the water in the water outlet pipeline is recycled, and the loss of heat energy is reduced.

Preferably, be equipped with the through-hole that the diameter is different on the roller, on the water injection pipeline that the roller is connected to the outlet conduit direction, the through-hole diameter grow gradually, and the through-hole distributes uniformly on the roller.

Through adopting above-mentioned technical scheme, when water injection pipeline's hot water passes through the roller, hot water flows to the outside of barrel roller through the through-hole, and the hot water of newly-injected can carry out the heat transfer with the water in the barrel fast, and the hot water of newly-injected makes hydrothermal heat distribution even through the through-hole in different apertures, and the temperature in the barrel keeps invariable to the outer wall that makes the barrel is in invariable temperature.

Preferably, 2-4 groups of propeller type stirring blades are uniformly distributed on the roll shaft.

By adopting the technical scheme, the speed of the newly injected hot water flowing to the inner wall of the cylinder body can be increased, the rotating paddle type stirring blades push the newly injected hot water to the cylinder body, so that the newly injected hot water is quickly mixed with the water in the cylinder body, and the newly injected hot water flows forwards, so that the temperature of the whole cylinder body is kept constant.

Preferably, the length of the stirring blade is more than half of the radius of the cylinder.

By adopting the technical scheme, the water in the cylinder body keeps a good flowing state, the discharge flow of the blades is increased, and the heat conduction efficiency of the newly injected hot water and the water in the cylinder body is improved.

Preferably, the outer wall of the sleeve perpendicular to the roller shaft is provided with a fixing hole, the sleeves at the two ends of the roller shaft are provided with fixing holes, the fixing holes are provided with thermocouples, and one end of each thermocouple extends into the barrel.

By adopting the technical scheme, the temperature of the newly injected water in the cylinder and the water in the cylinder can be monitored, and the temperature of the heating water tank can be timely adjusted according to the temperature.

Preferably, still include the motor, be equipped with outlet conduit's one end at the roller, the cover is equipped with driven pulley on the barrel, and it has the belt to wind on driven pulley's the wheel face, is equipped with driving pulley on the motor, and driving pulley and driven pulley pass through the belt and connect.

Through adopting above-mentioned technical scheme, provide drive power for the barrel, make barrel and roller keep relative motion, make the water in the barrel keep the mobile state.

Preferably, the both ends of roller are equipped with the support frame, and the support frame upper end is equipped with the perforation, and the perforation is passed respectively at the roller both ends to with perforation interference fit.

Through adopting above-mentioned technical scheme, the roller passes through the perforation to be fixed on the support frame, prevents that the roller from removing.

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

1. when the heating roller is used for heating, hot water at a required temperature can be injected into the hollow roller shaft, the hot water flowing through the hollow roller shaft flows onto the cylinder body through the through holes in the roller shaft, so that the cylinder body is filled with the hot water, and the outer wall of the cylinder body can be quickly heated due to the large specific heat capacity of the water and the rapid heat transfer, and then hot-pressing gluing is carried out; the heat of the flowing hot water is directly transmitted to the outer wall of the cylinder body, so that the surface temperature of the cylinder body is more uniform, the flatness of the polyester film gummed paper is better, and the effect of the printed matter of the gummed paper is improved; when the temperature of the heating roller is higher than the set temperature, the temperature of the cylinder body can be changed by adjusting the temperature of hot water without stopping work and waiting for cooling, so that the temperature of the cylinder body can be adjusted conveniently.

2. When the hot water of water injection pipeline passes through the roller, hot water flows to the outside of barrel roller through the through-hole, and the hot water of newly-injected can carry out heat-conduction with the water in the barrel fast, and the hot water of newly-injected makes hydrothermal heat distribution even through the through-hole in different apertures, and the temperature in the barrel keeps invariable to make the outer wall of barrel be in invariable temperature, improve the roughness that the polyester film crossed gluey paper.

Drawings

Fig. 1 is a schematic view of the overall structure of the laminator.

FIG. 2 is a schematic view of the structure of a heating roll in the laminator.

Fig. 3 is a partial sectional view of a heating roll in the laminator.

FIG. 4 is a schematic view showing a relationship between a roller shaft and a cylinder in the heating roller.

Reference numerals: 1. a feeding device; 11. a conveyor belt; 12. a feed roller; 2. a heating device; 21. a squeeze roll; 22. a heating roller; 221. a barrel; 222. a bearing; 223. a roll shaft; 2231. a through hole; 2232. a propeller type stirring blade; 224. a seal ring; 225. a sleeve; 2251. a thermocouple; 2252. a fixing hole; 2261. a support frame; 2262. perforating; 2271. a water injection pipeline; 2272. a water outlet pipeline; 2273. heating the water tank; 2281. a motor; 2282. a drive pulley; 2283. a belt; 2284. a driven pulley; 3. a cooling device; 4. and a discharging device.

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 gluing machine for paper printed matter, including material feeding unit 1, heating device 2, cooling device 3 and discharging device 4, material feeding unit 1, heating device 2, cooling device 3 and discharging device 4 connect gradually, material feeding unit 1 includes conveyer belt 11 and feed roll 12, the paper printed matter passes through conveyer belt 11 and conveys the station of heating device 2, feed roll 12 carries heating device 2 with the polyester film, heating device 2 is equipped with warming mill 22 and the corresponding squeeze roll 21 of warming mill 22, the polyester film is through squeeze roll 21 and warming mill 22 effect, form the gluey product of crossing of paper plastic unification, the one end that material feeding unit 1 was kept away from to warming mill 22 is connected with cooling device 3, the gluey product conveys discharging device 4 after cooling device 3 cools off.

Referring to fig. 2, the heating roller in the laminator is schematically shown in structure, and comprises a barrel 221 and a roller 223, wherein the roller 223 is arranged in the barrel 221, and the barrel 221 and the roller 223 rotate relatively.

Referring to fig. 3, the roller shaft 223 is hollow, a through hole 2231 is formed on an outer wall of the roller shaft 223, one end of the roller shaft 223 is screwed to a hollow water injection pipe 2271, the water injection pipe 2271 is connected to a heating water tank 2273, the other end of the roller shaft 223 is connected to a hollow water outlet pipe 2272, and one end of the water outlet pipe 2272 is connected to the heating water tank 2273. The heating water tank 2273 conveys hot water with a certain temperature for the roller shaft 223 through the water injection pipeline 2271, so that a certain heat input of the barrel body 221 is ensured, and the water of the water outlet pipeline 2272 flows back to the heating water tank 2273, so that the water of the water outlet pipeline 2272 is recycled, and the heat loss is reduced.

Referring to fig. 3, the roller shaft 223 is provided with through holes 2231 having different diameters, and the through holes 2231 are gradually enlarged in a direction from a water injection pipe 2271 to a water outlet pipe 2272 to which the roller shaft 223 is connected, and the through holes 2231 are uniformly distributed on the roller shaft 223. When the hot water of the water injection pipe 2271 passes through the roller shaft 223, the heat of the newly injected hot water is large at the through hole 2231 which is closer to the water injection pipe 2271, and the heat can be conducted through the hot water having a small aperture. With the increase of the diameter of the through hole 2231, the newly injected hot water flows into the cylinder 221 through a larger aperture for heat exchange, so that the water in the cylinder 221 can be kept at a constant temperature better, and the smoothness of the polyester film gummed paper is better.

Further, 3 groups of propeller type stirring blades 2232 are uniformly distributed on the roller shaft 223, when the roller shaft 223 and the cylinder 221 move relatively, the propeller type stirring blades 2232 fixed on the roller shaft 223 can stir the water in the cylinder 221, so that the newly injected water and the water in the cylinder 221 can fully transfer heat; the length of the propeller type stirring blade 2232 is greater than half of the radius of the cylinder 221, so that the water in the cylinder 221 is fully stirred, the temperature of the surface of the cylinder 221 is kept constant, and the flatness of the polyester film gummed paper is improved.

Referring to fig. 4, sleeves 225 are fixedly connected to both ends of the outer wall of the roller shaft 223, respectively, a sealing ring 224 is disposed at a joint of the sleeve 225 and the roller shaft 223, a bearing 222 is fixedly connected to the outside of the sleeve 225, and the sleeve 225 and the cylinder 221 are connected through the bearing 222. The outer wall of the sleeve 225 perpendicular to the roller shaft 223 is provided with a fixing hole 2252, the sleeve 225 at the two ends of the roller shaft 223 is provided with fixing holes 2252, the fixing hole 2252 is provided with a thermocouple 2251, one end of the thermocouple 2251 extends into the cylinder 221, the thermocouple 2251 is in direct contact with water in the cylinder 221, the temperature of water newly injected into the cylinder 221 and the temperature of water in the cylinder 221 can be detected, and the temperature of the heating water tank 2273 and the flow rate of the newly injected hot water can be adjusted according to two temperature differences.

Referring to fig. 3, the laminator for paper printing further includes a motor 2281, one end of the cylinder 221 close to the water outlet pipe 2272 is sleeved with a driven pulley 2284, a belt 2283 is wound on the wheel surface of the driven pulley 2284, a driving pulley 2282 is arranged on the motor 2281, and the driving pulley 2282 and the driven pulley 2284 are connected through the belt 2283. When the motor 2281 is started, the driving pulley 2282 drives the driven pulley 2284 to rotate through the belt 2283, so as to drive the cylinder 221 to rotate, and the cylinder 221 and the roller shaft 223 rotate relatively.

Furthermore, two ends of the roller shaft 223 are provided with a support 2261, the upper end of the support 2261 is provided with a through hole 2262, and the two ends of the roller shaft 223 respectively penetrate through the through hole 2262 and are in interference fit with the through hole 2262. The roller 223 passes through the through hole 2262 and is fixed to the support 2261, preventing the movement of the roller 223.

The implementation principle of the embodiment is as follows: the heating water tank 2273 is started, water in the heating water tank 2273 is conveyed into the barrel 221 through the water injection pipeline 2271, heat transfer is fast by utilizing the characteristic of large specific heat capacity of water, the temperature of the outer wall of the barrel 221 can be rapidly increased, and heat is provided for the barrel 221 by continuously injecting new hot water; meanwhile, the motor 2281 is started, the driving pulley 2282 on the motor 2281 drives the driven pulley 2284 to rotate through the belt 2283, and further drives the cylinder 221 to rotate, so that the cylinder 221 and the roller shaft 223 rotate relatively, the propeller-type stirring blade 2232 on the roller shaft 223 and the rotating cylinder 221 also rotate relatively, the propeller-type stirring blade 2232 stirs hot water in the cylinder 221, when the newly injected hot water passes through the through holes 2231 with different apertures on the roller shaft 223, the newly injected hot water can be uniformly distributed in the cylinder 221, the propeller-type stirring blade 2232 further enables the water in the cylinder 221 and the newly injected hot water to carry out heat transfer rapidly, the hot water in the cylinder 221 is kept consistent, and the flatness of the polyester film coated paper is improved. The thermocouple 2251 detects the temperature in the cylinder 221, and can monitor the temperature change of the water in the cylinder 221 as needed to control the temperature of the cylinder 221.

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

1. A gluing machine for paper prints, comprising a cylinder (221) and a roller (223), characterized in that: roller (223) set up in barrel (221), barrel (221) and roller (223) relative rotation, roller (223) are the cavity form, are equipped with through-hole (2231) on roller (223) outer wall, roller (223) outer wall both ends respectively fixedly connected with sleeve (225), sleeve (225) and roller (223) junction are equipped with sealing ring (224), sleeve (225) outer fixedly connected with bearing (222), sleeve (225) are connected through bearing (222) with barrel (221).

2. A laminator for paper print according to claim 1, wherein: hollow water injection pipeline (2271) is connected to roller (223) one end, and water injection pipeline (2271) is connected with heating water tank (2273), and the other end of roller (223) is connected with hollow outlet conduit (2272), and outlet conduit (2272) one end is connected with heating water tank (2273).

3. A laminator for paper print according to claim 2, wherein: be equipped with different through-hole (2231) of diameter on roller (223), on water injection pipeline (2271) to outlet conduit (2272) direction that roller (223) are connected, through-hole (2231) diameter grow gradually, and through-hole (2231) distributes uniformly on roller (223).

4. A laminator for paper print according to claim 1, wherein: 2-4 groups of propeller type stirring blades (2232) are uniformly distributed on the roll shaft (223).

5. A laminator for paper print according to claim 4, wherein: the length of the rotary paddle type stirring blade (2232) is more than half of the radius of the cylinder body (221).

6. A laminator for paper print according to claim 1, wherein: be equipped with fixed orifices (2252) on sleeve (225) and the perpendicular outer wall of roller (223), all be equipped with fixed orifices (2252) on sleeve (225) at roller (223) both ends, fixedly connected with thermocouple (2251) on fixed orifices (2252), thermocouple (2251) one end stretches into in barrel (221).

7. A laminator for paper print according to claim 1, wherein: still include motor (2281), barrel (221) are close to outlet conduit (2272) one pot head and are equipped with driven pulley (2284), and it has belt (2283) to wind on driven pulley (2284) wheel face, is equipped with driving pulley (2282) on motor (2281), and driving pulley (2282) and driven pulley (2284) pass through belt (2283) and connect.

8. A laminator for paper print according to claim 1, wherein: the two ends of the roller shaft (223) are provided with support frames (2261), the upper ends of the support frames (2261) are provided with through holes (2262), and the two ends of the roller shaft (223) penetrate through the through holes (2262) respectively and are in interference fit with the through holes (2262).