Paste machine for corrugated carton production

Abstract

The invention discloses a paste machine for corrugated carton production, relates to the technical field of paste manufacturing, and aims at solving the problems that a heating system of an existing paste machine does not respond in time or a heat conduction part has heat radiation, and when gelatinization is finished, too high temperature is still provided for paste, so that the quality of the paste is influenced due to excessive gelatinization. When cooling is needed, heat conduction parts are rapidly separated, most heat transfer paths can be cut off immediately, the situation that the temperature of paste is overshoot due to continuous transfer of residual heat is avoided, excessive gelatinization is prevented, the preparation quality of the paste is guaranteed, and then the production quality of corrugated cartons is guaranteed; and meanwhile, gelatinization is prevented by adopting a mode of rapidly separating from the heat conduction part, compared with rapid cooling by utilizing air cooling or water cooling, repeated thermal stress action on the equipment caused by rapid temperature change and influence on the service life of the equipment are avoided, and by adopting the mode, the maintenance and replacement frequency of the equipment can be reduced, and the cost of the equipment is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of paste manufacturing, in particular to a paste machine for producing corrugated paper boxes. Background Art

[0002] During the gelatinization process of preparing the paste, starch particles absorb water, swell, and rupture, and starch molecules dissolve to form a viscous colloid, which is crucial for the bonding of cartons. However, excessive gelatinization will destroy the molecular structure of starch and reduce its viscosity. For example, when the temperature is too high or the gelatinization time is too long, the starch molecules will be excessively degraded, the viscosity of the paste will drop significantly, and the cartons will not be firmly bonded, causing the cartons to easily come apart during subsequent use.

[0003] In the process of heating the paste to make it gelatinized, the glue machine needs to strictly control the heating temperature. The existing glue machines use steam to heat the paste for gelatinization. When the gelatinization is completed, the temperature is generally controlled by turning off the steam or reducing the amount of steam introduced. However, the response of the steam system has a certain lag, and the heat conduction mechanism on the outer wall of the paste tank has absorbed a large amount of heat and has thermal radiation. The heat from the thermal radiation still acts on the paste in the tank, which makes it easy for temperature overshoot and excessive gelatinization to occur, affecting the quality of the paste, and further affecting its adhesion effect on the corrugated box.

[0004] In view of the above problems, a gluing machine for producing corrugated paper boxes is proposed. Summary of the invention

[0005] The purpose of the present invention is to provide a glue machine for corrugated box production, which solves the problems in the background technology that the steam system does not respond in time and the heat conduction components have heat radiation, and when the gelatinization is completed, the paste is still provided with too high a temperature, causing excessive gelatinization and affecting the quality of the paste.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a glue machine for corrugated box production, comprising an outer tank of the glue machine, a heat insulation block is coaxially arranged inside the outer tank of the glue machine, and a heat conduction component is nested inside the heat insulation block, the heat conduction component comprises a heat conduction layer, and the heat conduction layer and the heat insulation block are fixedly connected, a paste preparation tank is coaxially arranged inside the heat conduction layer, and the top of the paste preparation tank is fixedly connected to the outer tank of the glue machine, and heat control components are arranged on the outer wall of the paste preparation tank at equal intervals, the heat control component comprises a second notch, and the second notch is opened on the outer wall of the paste preparation tank, a heat control block is embedded in the second notch, and the heat control block and the paste preparation tank are slidably connected, a heating component is arranged at the bottom of the heat insulation block, and the heating component is used to provide heat to the heat conduction component, and a lifting component is installed on the outer wall of the heat insulation block, and the lifting component is used to carry the heat insulation block and the heat conduction component up or down.

[0007] Preferably, the inner wall of the heat-conducting layer is provided with first slots at equal intervals, and the first slots correspond one-to-one with the heat control blocks. The bottom of the heat-conducting layer is integrally connected with a heat-conducting chassis, and the heat-conducting chassis is used to guide the heat provided by the heating component to the heat-conducting layer.

[0008] Preferably, an air inlet is provided at the top of the paste preparation tank, and the air inlet is connected to the second slot, the air inlets are arranged at equal intervals about the top of the second slot, and the shape of the air inlet is set to be a trumpet shape with the opening size gradually increasing from bottom to top.

[0009] Preferably, an installation opening is provided on the inner wall of the heat control block, and a spring passes through the installation opening, one end of the spring is fixedly connected to the heat control block, and the other end of the spring is fixedly connected to the paste preparation tank.

[0010] Preferably, a limiting telescopic rod passes through the interior of the spring, one end of the limiting telescopic rod is fixedly connected to the heat control block, and the other end of the limiting telescopic rod is fixedly connected to the paste preparation tank.

[0011] Preferably, the lifting assembly includes a ball nut and a guide slide, and the ball nut and the guide slide are respectively fixedly connected to both sides of the insulation block, and a guide slider penetrates the inside of the guide slide, and the guide slider is slidably connected to the guide slide, and both ends of the guide slider are fixedly connected to the inner wall of the outer tank of the paste machine.

[0012] Preferably, the internal thread of the ball nut is connected to a lifting screw, a servo motor is installed on the top of the lifting screw, and the servo motor is fixedly connected to the inner wall of the outer tank of the paste machine, the bottom end of the lifting screw is fixedly connected to a supporting rotating block, and the supporting rotating block is rotatably connected to the paste preparation tank.

[0013] Preferably, the heating assembly includes an insulation ring and heat-conducting fins. The insulation ring is fixedly connected to the inside of the outer tank of the paste machine, and is slidingly connected to the insulation block. The inner wall of the insulation ring is fixedly connected with a guide plate, one side of the insulation ring is fixedly connected with a steam input pipe, and the other side of the insulation ring is fixedly connected with a steam exhaust pipe.

[0014] Preferably, the heat-conducting fins penetrate the interior of the heat-conducting chassis, and the heat-conducting fins are slidably connected to the heat-conducting chassis, and the top ends of the heat-conducting fins are integrally connected with anti-dropping blocks.

[0015] Preferably, a stirring mechanism is installed inside the paste preparation tank, and the stirring mechanism is used to stir the paste inside the paste preparation tank, a paste discharge pipe is fixedly connected to the bottom of the paste preparation tank, a feed pipe is fixedly connected to the top of the paste machine outer tank, and the feed pipe is communicated with the paste preparation tank, and air inlet holes are opened at equal angles on the outer wall of the paste machine outer tank.

[0016] Compared with the prior art, the present invention has the following beneficial effects: The present invention provides a gluing machine for corrugated paper box production. When the paste reaches the temperature at which gelatinization is completed, the heat-conducting components are quickly separated, and most of the heat transfer paths can be immediately cut off, thereby avoiding untimely steam response and heat radiation from the outer heat-conducting components. The residual heat is continuously transferred, resulting in overshoot of the paste temperature, thereby preventing excessive gelatinization, which is beneficial to ensuring the preparation quality of the paste, and further ensuring the production quality of the corrugated paper box. At the same time, gelatinization is prevented by quickly separating the heat-conducting components. Compared with quickly cooling the paste by air cooling or water cooling, the repeated effect of thermal stress on the equipment caused by rapid temperature changes is avoided, which causes fatigue and deformation of the equipment material and shortens the service life of the equipment. In this way, the frequency of equipment maintenance and replacement can be reduced, and the equipment cost can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic cross-sectional structure diagram of the integral heat-conducting component of the present invention in a fully raised state; Figure 2 It is a schematic cross-sectional structure diagram of the integral heat-conducting component of the present invention in a half-raised state; Figure 3 It is a schematic cross-sectional structure diagram of the integral heat-conducting component of the present invention in a completely lowered state; Figure 4 It is a schematic diagram of the overall three-dimensional structure of the present invention; Figure 5 It is a schematic diagram of the three-dimensional structure of the paste preparation tank and the heat control component part of the present invention; Figure 6 It is a three-dimensional structural schematic diagram of the lifting component part of the present invention; Figure 7 It is a schematic cross-sectional structure diagram of the heat-conducting component part of the present invention; Figure 8 It is a schematic diagram of the three-dimensional structure of the heating component part of the present invention; Fig. 9 It is a schematic diagram of the exploded structure of the heat conducting component and the heat controlling component of the present invention; Fig.10 for Figure 1 Schematic diagram of the enlarged structure at point A in the middle.

[0018] In the figure: 1. outer tank of paste machine; 2. heat insulation block; 3. heat conduction component; 4. heat control component; 5. heating component; 6. lifting component; 7. stirring mechanism; 8. feed pipe; 9. air inlet hole; 10. paste discharge pipe; 11. paste preparation tank; 301. heat conduction layer; 302. first notch; 303. heat conduction chassis; 401. second notch; 402. air inlet; 403. heat control block; 404. installation port; 405. spring; 406. limit telescopic rod; 501. heat insulation ring; 502. steam discharge pipe; 503. steam input pipe; 504. heat conduction fin; 505. anti-drop block; 506. guide plate; 601. ball nut; 602. lifting screw; 603. servo motor; 604. support rotating block; 605. guide slide; 606. guide slide. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] In order to further understand the content of the present invention, the present invention is described in detail in conjunction with the accompanying drawings.

[0021] Combination Figure 1-Figure 10 A gluing machine for producing corrugated paperboard boxes of the present invention comprises an outer tank 1 of the gluing machine, a heat insulating block 2 is coaxially arranged inside the outer tank 1 of the gluing machine, and a heat conducting component 3 is nested inside the heat insulating block 2, the heat conducting component 3 comprises a heat conducting layer 301, and the heat conducting layer 301 is fixedly connected to the heat insulating block 2, a paste preparation tank 11 is coaxially arranged inside the heat conducting layer 301, and the top of the paste preparation tank 11 is fixedly connected to the outer tank 1 of the gluing machine, a heat control component 4 is evenly spaced on the outer wall of the paste preparation tank 11, the heat control component 4 comprises a second notch 401, and the second notch 401 is opened on the outer wall of the paste preparation tank 11, and the heat conducting component 3 comprises a heat conducting layer 301, and the heat conducting layer 301 is fixedly connected to the heat insulating block 2, and the heat conducting component 3 comprises a heat conducting layer 301, and the heat conducting layer 301 is fixedly connected to the heat conducting layer 301, and the heat conducting layer 301 is fixedly connected to the outer tank 1 of the gluing machine, and the heat controlling component 4 comprises a second notch 401, and the second notch 401 is opened on the outer wall of the paste preparation tank 11, and the heat conducting component 3 comprises a heat conducting layer 301, and the heat conducting layer 301 is fixedly connected to the heat conducting layer 30 ... outer tank 1 of the gluing machine, and the heat conducting component 3 comprises a heat conducting layer 301, and the A heat control block 403 is embedded inside the second slot 401, and the heat control block 403 is slidably connected to the paste preparation tank 11. A heating component 5 is provided at the bottom of the thermal insulation block 2, and the heating component 5 is used to provide heat to the heat conduction component 3. A lifting component 6 is installed on the outer wall of the thermal insulation block 2, and the lifting component 6 is used to carry the thermal insulation block 2 and the heat conduction component 3 up or down. By lifting and lowering the heat conduction component 3, the size of the contact area between the heat conduction layer 301 and the heat control block 403 and the size of the gap between the heat control block 403 and the paste preparation tank 11 are changed, thereby controlling the amount of heat transferred from the heat conduction layer 301 to the paste preparation tank 11.

[0022] During the process of heating to gelatinize the paste inside the paste preparation tank 11, the insulation block 2 and the heat-conducting component 3 rise to the highest point. At this time, the raised part of the inner wall of the heat-conducting layer 301 is completely attached to the outer wall of the paste preparation tank 11, and the outer side of the heat control block 403 is stuck in the inside of the first slot 302 and tightly attached to the inner wall of the first slot 302. The inner side of the heat control block 403 is stuck in the inside of the second slot 401 and tightly attached to the inner wall of the second slot 401. The heat collected by the heating component 5 can be quickly transferred to the heat-conducting layer 301 and transferred to the paste preparation tank 11 through the second slot 401, so as to heat the paste raw materials inside the paste preparation tank 11 and gelatinize it. When the gelatinization is completed, the steam is stopped, and at the same time, the lifting component 6 quickly descends with the insulation block 2 and the heat-conducting component 3. When it is completely lowered to At the bottom, since the heat-conducting layer 301 and the paste preparation tank 11 are both truncated cone-shaped with a larger top and a smaller bottom, the inner wall of the heat-conducting layer 301 will be separated from the outer wall of the paste preparation tank 11, and the heat control block 403 will be opened outward and separated from the paste preparation tank 11, that is, the heat-conducting components on the outside of the paste preparation tank 11 are completely separated from the paste preparation tank 11, and the outside air enters the gap between the outer wall of the paste preparation tank 11 and the heat-conducting layer 301 and the heat control block 403 through the air inlet hole 9 and the air inlet 402, forming an air layer, and the air layer is used to separate the paste preparation tank 11 from some components on its outside that have heat radiation, so that the paste inside the paste preparation tank 11 can be quickly separated from the heat source when gelatinization is completed, to prevent temperature overshoot from causing excessive gelatinization, so as to ensure the quality of the paste; At the same time, the method of quickly disengaging the heat-conducting components is used to prevent gelatinization. Compared with the rapid cooling by air cooling or water cooling, it avoids the repeated thermal stress caused by rapid temperature changes on the equipment, which causes fatigue and deformation of equipment materials and shortens the service life of the equipment. In this way, the frequency of equipment maintenance and replacement can be reduced, and the equipment cost can be reduced; When gelatinization is completed and insulation is needed, it is only necessary to lower the heat-conducting component 3 to a certain height according to the required temperature. When it is not completely lowered, the outer side of the heat control block 403 is still tightly attached to the first slot 302, but the contact area is reduced compared to the fully raised state, and there is still partial contact between the two inner sides of the heat control block 403 and the second slot 401, so that part of the heat can still be transferred to the paste preparation tank 11 to keep the paste inside it warm.

[0023] The inner wall of the heat-conducting layer 301 is provided with first slots 302 at equal intervals, and the first slots 302 correspond one-to-one to the heat control blocks 403. The bottom of the heat-conducting layer 301 is integrally connected with a heat-conducting chassis 303, and the heat-conducting chassis 303 is used to guide the heat provided by the heating component 5 to the heat-conducting layer 301. The heat-conducting layer 301 then transfers the heat to the surrounding areas of the paste preparation tank 11 by directly contacting the paste preparation tank 11 or indirectly contacting the paste preparation tank 11 through the heat control block 403, thereby heating the paste inside the paste preparation tank.

[0024] An air inlet 402 is provided at the top of the paste preparation tank 11, and the air inlet 402 is connected to the second slot 401. The air inlets 402 are arranged at equal intervals about the top of the second slot 401, and the shape of the air inlet 402 is set to be a trumpet shape with an opening size gradually increasing from bottom to top. The air inlet 402 is used to introduce external air through the air inlet 402 between the heat control block 403 and the paste preparation tank 11 when the heat control block 403 is opened outward, so as to form an air interlayer, so that the paste preparation tank 11 is separated from the heat transfer of the components outside it. When the heat control block 403 with a large top and a small bottom introduces air, it has a guiding and contraction-accelerating effect on the airflow; The inner wall of the heat control block 403 is provided with an installation opening 404, and a spring 405 runs through the inside of the installation opening 404, one end of the spring 405 is fixedly connected to the heat control block 403, and the other end of the spring 405 is fixedly connected to the paste preparation tank 11, the spring 405 is used to use its own elastic force to provide an outward force for the heat control block 403 to make the outer side of the heat control block 403 always in contact with the first slot 302, when heat preservation is required, part of the heat can be transferred to the paste preparation tank 11, and when rapid temperature control is required, the heat control block 403 with heat radiation can be separated from the paste preparation tank 11, the interior of the spring 405 runs through a limiting telescopic rod 406, and one end of the limiting telescopic rod 406 is fixedly connected to the heat control block 403, and the other end of the limiting telescopic rod 406 is fixedly connected to the paste preparation tank 11, and the limiting telescopic rod 406 is used to support and limit the spring 405.

[0025] The lifting assembly 6 includes a ball nut 601 and a guide slide 605, the ball nut 601 and the guide slide 605 are respectively fixedly connected to the two sides of the insulation block 2, a guide slider 606 is passed through the inside of the guide slide 605, the guide slider 606 is slidably connected to the guide slide 605, and the two ends of the guide slider 606 are fixedly connected to the inner wall of the outer tank 1 of the paste machine, the internal thread of the ball nut 601 is connected to the lifting screw 602, the top of the lifting screw 602 is installed with a servo motor 603, and the servo motor 603 is fixedly connected to the inner wall of the outer tank 1 of the paste machine, the bottom end of the lifting screw 602 is fixedly connected to the support rotating block 604, and the support rotating block 604 is rotatably connected to the paste preparation tank 11; When lifting is required, the servo motor 603 is only needed to rotate the lifting screw 602. By rotating the lifting screw 602 forward or reversely, the ball nut 601 can be raised or lowered, and then the insulation block 2 and the heat-conducting component 3 fixed on its inner wall can be raised or lowered together. During the lifting, the guide slide 605 moves up and down along the guide slider 606 to limit and guide the insulation block 2.

[0026] The heating assembly 5 includes a heat insulating ring 501 and heat conducting fins 504. The heat insulating ring 501 is fixedly connected to the inside of the paste machine outer tank 1, and the heat insulating ring 501 is slidably connected to the heat insulating block 2. The inner wall of the heat insulating ring 501 is fixedly connected with a guide plate 506. One side of the heat insulating ring 501 is fixedly connected with a steam input pipe 503, and the other side of the heat insulating ring 501 is fixedly connected with a steam exhaust pipe 502. The heat conducting fins 504 penetrate the inside of the heat conducting chassis 303, and the heat conducting fins 504 are slidably connected to the heat conducting chassis 303. The top of the heat conducting fins 504 is integrally connected with an anti-dropping block 505. The steam provided by the steam generator passes into the interior of the heat insulation ring 501 through the steam input pipe 503, and is blocked by the guide plates 506 on both sides. The steam can only flow through the gaps between the heat conduction fins 504 along the heat conduction fins 504, and then exchange heat with the heat conduction fins 504. The steam that has completed the heat exchange is discharged through the steam discharge pipe 502. A sliding sealing structure may be provided between the heat insulation ring 501 and the heat insulation block 2 to prevent steam leakage. The heat absorbed by the heat-conducting fins 504 and the anti-detachment block 505 can be transferred upward through the heat-conducting chassis 303. The bottom of the paste preparation tank 11 and the part directly in contact with the anti-detachment block 505 can be made of heat-insulating materials, and thinner heat-conducting materials are used around it, so that heat can only be transferred from the surroundings to the interior of the paste preparation tank 11 through the heat-conducting component 3 and the heat control block 403, preventing the bottom from being directly heated by excessive heat and causing a sticky bottom.

[0027] A stirring mechanism 7 is installed inside the paste preparation tank 11, and the stirring mechanism 7 is used to stir the paste inside the paste preparation tank 11. A paste discharge pipe 10 is fixedly connected to the bottom of the paste preparation tank 11. The paste discharge pipe 10 is equipped with a control valve and a pump, and is used to transport the paste to the subsequent coating equipment for corrugated cardboard boxes after the preparation is completed. A feed pipe 8 is fixedly connected to the top of the paste machine outer tank 1, and the feed pipe 8 is connected to the paste preparation tank 11. The feed pipe 8 is used to feed raw materials for making paste such as starch and water into the paste preparation tank 11. Air inlet holes 9 are opened at equal angles on the outer wall of the paste machine outer tank 1.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gluing machine for corrugated box production, characterized in that: It comprises an outer tank of a paste machine, wherein an insulating block is coaxially arranged inside the outer tank of the paste machine, and a heat-conducting component is nested inside the insulating block, the heat-conducting component comprises a heat-conducting layer, and the heat-conducting layer is fixedly connected to the insulating block, a paste preparation tank is coaxially arranged inside the heat-conducting layer, and the top of the paste preparation tank is fixedly connected to the outer tank of the paste machine, heat control components are arranged at equal intervals on the outer wall of the paste preparation tank, the heat control component comprises a second notch, and the second notch is opened on the outer wall of the paste preparation tank, a heat control block is embedded in the second notch, and the heat control block and the paste preparation tank are slidably connected, a heating component is arranged at the bottom of the insulating block, and the heating component is used to provide heat to the heat-conducting component, and a lifting component is installed on the outer wall of the insulating block, and the lifting component is used to lift or lower the insulating block and the heat-conducting component.

2. The gluing machine for corrugated box production according to claim 1, characterized in that: The inner wall of the heat-conducting layer is provided with first slots at equal intervals, and the first slots correspond to the heat control blocks one by one. The bottom of the heat-conducting layer is integrally connected with a heat-conducting chassis, and the heat-conducting chassis is used to guide the heat provided by the heating component to the heat-conducting layer.

3. The gluing machine for corrugated box production according to claim 1, characterized in that: An air inlet is provided on the top of the paste preparation tank, and the air inlet is connected to the second slot. The air inlets are arranged at equal intervals about the top of the second slot, and the shape of the air inlet is set to be a trumpet shape with the opening size gradually increasing from bottom to top.

4. The gluing machine for corrugated box production according to claim 1, characterized in that: The inner wall of the heat control block is provided with an installation opening, and a spring runs through the interior of the installation opening, one end of the spring is fixedly connected to the heat control block, and the other end of the spring is fixedly connected to the paste preparation tank.

5. The gluing machine for corrugated box production according to claim 4, characterized in that: The interior of the spring passes through a limiting telescopic rod, one end of the limiting telescopic rod is fixedly connected to the heat control block, and the other end of the limiting telescopic rod is fixedly connected to the paste preparation tank.

6. The gluing machine for corrugated box production according to claim 1, characterized in that: The lifting assembly includes a ball nut and a guide slide, which are respectively fixedly connected to the two sides of the insulation block. A guide slider penetrates the interior of the guide slide, and the guide slider is slidably connected to the guide slide, and both ends of the guide slider are fixedly connected to the inner wall of the outer tank of the paste machine.

7. The gluing machine for corrugated box production according to claim 6, characterized in that: The internal thread of the ball nut is connected to a lifting screw, a servo motor is installed on the top of the lifting screw, and the servo motor is fixedly connected to the inner wall of the outer tank of the paste machine, the bottom end of the lifting screw is fixedly connected to a supporting rotating block, and the supporting rotating block is rotatably connected to the paste preparation tank.

8. The gluing machine for corrugated box production according to claim 1, characterized in that: The heating assembly includes an insulation ring and heat-conducting fins. The insulation ring is fixedly connected to the inside of the outer tank of the paste machine, and is slidingly connected to the insulation block. The inner wall of the insulation ring is fixedly connected to a guide plate, one side of the insulation ring is fixedly connected to a steam input pipe, and the other side of the insulation ring is fixedly connected to a steam exhaust pipe.

9. The gluing machine for corrugated box production according to claim 8, characterized in that: The heat-conducting fins penetrate the interior of the heat-conducting chassis, and the heat-conducting fins are slidably connected to the heat-conducting chassis. The top ends of the heat-conducting fins are integrally connected with anti-dropping blocks.

10. The gluing machine for corrugated box production according to claim 1, characterized in that: A stirring mechanism is installed inside the paste preparation tank, and the stirring mechanism is used to stir the paste inside the paste preparation tank, a paste discharge pipe is fixedly connected to the bottom of the paste preparation tank, a feed pipe is fixedly connected to the top of the paste machine outer tank, and the feed pipe is communicated with the paste preparation tank, and air inlet holes are opened at equal angles on the outer wall of the paste machine outer tank.

Images