Solventless glue preparation device with a de-bubbling assembly

Abstract

The application relates to a defoaming assembly for solvent-free glue preparation equipment, which comprises a glue supply box, a conveying box and a defoaming box, the conveying box is fixed on the top of the defoaming box, and the application relates to the technical field of solvent-free glue preparation. The defoaming assembly for solvent-free glue preparation equipment can keep the defoaming box and the conveying box continuously sealed during transfer, can effectively prevent external air from entering the defoaming box, can convey the solvent-free glue to the upper side of a vibrating plate in the defoaming box, can make the vibrating plate vibrate, can prevent the vibration from affecting the defoaming box by arranging an elastic sealing belt, can keep the defoaming box in a state of a slight negative pressure by working of an air suction hole, can effectively suck the gas shaken out of the solvent-free glue into the upper side, can prevent the separated air bubbles from being dissolved into the solvent-free glue again, and can effectively remove the air bubbles in the solvent-free glue by arranging a drainage block, accumulating the solvent-free glue in the inside, then entering a guide groove when the solvent-free glue rises to the height of the drainage block, and increasing the stroke.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of solvent-free glue preparation, in particular to a bubble removing assembly for solvent-free glue preparation equipment. BACKGROUND

[0002] During the preparation of solvent-free glue, air bubbles are easily generated in the glue due to the lack of lubrication and dispersion effect of solvents. These air bubbles not only affect the appearance quality of the glue, but also may cause the performance of the glue to decline. Therefore, how to effectively remove the air bubbles in the glue has become an important problem in the technical field of solvent-free glue preparation. The bubble removing assembly, as an important component of solvent-free glue preparation equipment, its design and performance are directly related to the quality and performance of the glue product. An excellent bubble removing assembly should be able to efficiently remove the air bubbles in the glue while ensuring the uniformity and stability of the glue. SUMMARY

[0003] In view of the deficiencies of the prior art, the present application provides a bubble removing assembly for solvent-free glue preparation equipment, which solves the above-mentioned problems.

[0004] To achieve the above purpose, the present application is implemented by the following technical scheme: a bubble removing assembly for solvent-free glue preparation equipment, comprising a glue supply tank, a conveying tank and a bubble removing tank, the conveying tank is fixed on the top of the bubble removing tank, the side of the glue supply tank is communicated with a material receiving hopper arranged around the conveying tank, the inner cavity of the glue supply tank is communicated with the inner cavity of the conveying tank through a conveying channel, the inner cavity of the conveying tank is provided with an extrusion device for extruding the glue, and the inner cavity of the conveying tank is provided with a sealing transfer mechanism communicated with the bubble removing tank.

[0005] The inner cavity of the bubble removing box is fixedly connected with a vibrating plate through an elastic sealing belt, the bottom of the inner cavity of the bubble removing box is fixedly connected with a vibrating motor abutting against the vibrating plate, the right side of the bubble removing box is fixedly connected with a drainage block fixedly connected with the right side of the elastic sealing belt, the left side of the drainage block is provided with an inclined surface gradually rising from left to right, the drainage block is divided into a discharge chute, a guide groove is arranged in the inner cavity of the drainage block and communicates with the inner cavities of the bubble removing box and the discharge chute, a pushing block driven by a gas cylinder is slidably connected in the inner cavity of the drainage block through an embedded groove, the inner cavity of the bubble removing box below the pushing block is communicated with a discharge pipeline, the glue is added into the glue supply box, then the pressing plate is driven by the lifting cylinder to move up and down, a negative pressure is formed to suck the glue in the glue supply box, then the glue is extruded downward by the pressing plate and is transported into the sealed transfer mechanism, the air extruded to the top of the glue under pressure is discharged through the arrangement of the one-way valve, and the first step of separation is performed, the glue is screened through the arrangement of the screen, the air bubbles in the glue are punctured at the same time, the glue is transported to the sealed transfer mechanism, the glue filled with the glue in the placing groove is rotated to the lower side under the action of gravity, the glue is transported into the bubble removing box, the operation is repeated, the glue is continuously transported, and the bubble removing box and the conveying box are kept sealed during the transportation, so that the external air can be effectively prevented from entering the bubble removing box, the glue is transported to the upper side of the vibrating plate in the bubble removing box, the vibrating plate is vibrated by the vibrating motor, the vibration of the elastic sealing belt can prevent the vibration from affecting the bubble removing box, the air in the bubble removing box is sucked into the upper side through the air suction hopper, the separated air bubbles can be prevented from being recombined into the glue, the glue is accumulated in the inner cavity of the drainage block, then the glue is moved into the guide groove when the glue rises to the height of the drainage block, the stroke is increased, and the air bubbles in the glue can be effectively removed.

[0006] As a further scheme of the application: the extrusion mechanism comprises a lifting cylinder fixed in the inner cavity of the conveying box, the bottom end of the piston rod of the lifting cylinder is fixedly connected with a pressing plate in sliding sealing with the inner cavity of the conveying box, the inner cavity of the pressing plate is provided with a one-way valve for one-way conveying from bottom to top, the pressing plate is driven by the lifting cylinder to move up and down, a negative pressure is formed to suck the glue in the glue supply box, then the glue is extruded downward by the pressing plate and is transported into the inner cavity of the sealed transfer mechanism, and the air extruded to the top of the glue under pressure is discharged through the arrangement of the one-way valve, and the first step of separation is performed.

[0007] As a further scheme of the present application: the four sides of the pressing plate are provided with sunken grooves, through the setting of the sunken grooves, when the pressing plate is lifted, the sunken grooves are flush with the top of the conveying box, the solvent-free glue in the inside can smoothly flow into the receiving hopper, and then is conveyed into the glue supply box for recycling.

[0008] As a further scheme of the present application: the sealing transfer mechanism comprises a rotating cylinder rotatably arranged at the connecting position between the conveying box and the inner cavity of the bubble removing box, and a sealing block fixedly arranged in the inner cavity of the conveying box and in contact with the surface of the rotating cylinder, the inner cavity of the rotating cylinder is provided with two symmetric placing grooves, the rotating cylinder is driven to rotate by a motor, the solvent-free glue pressed and compacted by the pressing plate enters the placing grooves, then the rotating cylinder drives the placing grooves filled with the solvent-free glue to rotate to the lower side, under the action of gravity, the solvent-free glue is conveyed into the bubble removing box, the operation is repeated to continuously transfer, and the bubble removing box and the conveying box are kept in continuous sealing during the transfer, which can effectively prevent external air from entering the bubble removing box.

[0009] As a further scheme of the present application: the top of the bubble removing box is communicated with an air extraction hopper communicated with an external vacuum pump, through the operation of the air extraction hopper, a micro-negative pressure state is kept in the inside of the bubble removing box, which can effectively extract the gas shaken out of the solvent-free glue to the upper side, and can prevent the separated bubbles from being dissolved into the solvent-free glue again.

[0010] As a further scheme of the present application: the inner cavity of the conveying box is fixedly connected with a screen between the pressing plate and the rotating cylinder, through the setting of the screen, the bubbles in the inside can be punctured and floated to the surface of the solvent-free glue while the glue is screened.

[0011] As a further scheme of the present application: the highest position of the drainage block is higher than the lowest position of the rotating cylinder, through the setting of the drainage block, the solvent-free glue is accumulated in the inside, and then is outputted after being lifted to the height of the drainage block, the increased stroke can effectively remove the bubbles in the solvent-free glue.

[0012] Compared with the prior art, the present application has the following beneficial effects:

[0013] During the transfer, the bubble removing box and the conveying box are kept in continuous sealing, which can effectively prevent external air from entering the bubble removing box, the solvent-free glue is conveyed to the upper side of the vibration plate in the bubble removing box, the vibration plate is vibrated by a vibration motor, through the setting of the elastic sealing belt, the vibration can be prevented from affecting the bubble removing box, at this time, through the operation of the air extraction hopper, a micro-negative pressure state is kept in the inside of the bubble removing box, which can effectively extract the gas shaken out of the solvent-free glue to the upper side, can prevent the separated bubbles from being dissolved into the solvent-free glue again, through the setting of the drainage block, the solvent-free glue is accumulated in the inside, and then is inputted into the guide groove after being lifted to the height of the drainage block, the increased stroke can effectively remove the bubbles in the solvent-free glue.

[0014] The present application drives the pressing plate up and down by the lifting cylinder, forms negative pressure to suck the glue in the glue supply tank, then extrudes it downward by the pressing plate, so that it is transported to the inside of the sealing transfer mechanism below, and the air extruded to the top of the glue under pressure can be discharged through the setting of the one-way valve, and the first step of separation is carried out. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the present application.

[0016] Figure 2 It is a structural sectional view of the present application.

[0017] Figure 3 It is a structural schematic diagram of the drainage block of the present application.

[0018] Figure 4 It is a structural plan view of the screen of the present application.

[0019] In the figure: 1, bubble removal tank; 2, glue supply tank; 3, conveying tank; 4, receiving hopper; 5, lifting cylinder; 6, pressing plate; 7, sunken groove; 8, one-way valve; 9, conveying channel; 10, screen; 11, sealing block; 12, rotating cylinder; 13, placing groove; 14, vibrating plate; 15, elastic sealing belt; 16, vibrating motor; 17, drainage block; 18, guide groove; 19, embedded groove; 20, air suction hopper; 21, pushing block; 22, discharging groove; 23, discharging pipeline. DETAILED DESCRIPTION

[0020] In order to further illustrate the technical means and effects adopted by the present application to achieve the predetermined invention purpose, the specific embodiments, structures, features and effects according to the present application are described in detail as follows in combination with the drawings and preferred embodiments.

[0021] Please refer to Figures 1-4 The present application provides a technical solution: a bubble removal assembly for solvent-free glue preparation equipment, which comprises a glue supply tank 2, a conveying tank 3 and a bubble removal tank 1, the conveying tank 3 is fixed on the top of the bubble removal tank 1, the side edge of the glue supply tank 2 is communicated with a receiving hopper 4 arranged around the conveying tank 3, the inner cavity of the glue supply tank 2 is communicated with the inner cavity of the conveying tank 3 through a conveying channel 9, the inner cavity of the conveying tank 3 is provided with an extrusion device for extruding the glue, and the inner cavity of the conveying tank 3 is provided with a sealing transfer mechanism communicated with the bubble removal tank 1.

[0022] The inner cavity of the defoaming box 1 is fixedly connected with a vibrating plate 14 through an elastic sealing band 15, the bottom of the inner cavity of the defoaming box 1 is fixedly connected with a vibrating motor 16 abutting against the vibrating plate 14, the right side of the defoaming box 1 is fixedly connected with a drainage block 17 fixedly connected with the right side of the elastic sealing band 15, the left side of the drainage block 17 is provided with an inclined surface gradually rising from left to right, the drainage block 17 divides the defoaming box 1 into a discharge chute 22, the inner cavity of the drainage block 17 is provided with a guide groove 18 in communication with the inner cavities of the defoaming box 1 and the discharge chute 22, the inner cavity of the drainage block 17 is slidably connected with a pushing block 21 driven by a pneumatic cylinder through an embedded groove 19, the inner cavity of the defoaming box 1 located directly below the pushing block 21 is in communication with a discharge pipeline 23, solvent-free glue is added through the glue supply box 2, then the pressing plate 6 is driven to move up and down by the lifting cylinder 5, a negative pressure is formed to suck the glue in the glue supply box 2, then the glue is extruded downward by the pressing plate 6, so as to be transported into the inside of the sealed transfer mechanism, and the setting of the one-way valve 8 can exhaust the air extruded to the top of the glue under pressure to perform the first step of separation, the setting of the screen 10 can break the bubbles in the glue while screening the glue, so that the bubbles float to the surface of the solvent-free glue, the solvent-free glue is transported to the sealed transfer mechanism, the solvent-free glue extruded and compacted by the pressing plate 6 enters the placing groove 13, then the rotating cylinder 12 drives the placing groove 13 filled with the solvent-free glue to rotate to the lower side, under the action of gravity, the solvent-free glue is transported into the defoaming box 1, the operation is repeated to continuously transfer, and the defoaming box 1 and the conveying box 3 are kept in continuous sealing during the transfer, so that the outside air can be effectively prevented from entering the defoaming box 1, the solvent-free glue is transported above the vibrating plate 14 in the defoaming box 1, the vibrating motor 16 drives the vibrating plate 14 to vibrate, the setting of the elastic sealing band 15 can prevent the vibration from affecting the defoaming box 1 while vibrating, at this time, the air draft 20 is kept in a state of a slight negative pressure in the defoaming box 1, so as to effectively exhaust the gas vibrated out of the solvent-free glue to the upper side, so as to prevent the separated bubbles from being dissolved into the solvent-free glue again, the setting of the drainage block 17 can accumulate the solvent-free glue in the inside, then the solvent-free glue enters the guide groove 18 after rising to the height of the drainage block 17, the increased stroke can effectively remove the bubbles in the solvent-free glue.

[0023] The extrusion mechanism includes a lifting cylinder 5 fixed in the inner cavity of the conveying box 3, the bottom end of the piston rod of the lifting cylinder 5 is fixedly connected with a pressing plate 6 slidably sealed with the inner cavity of the conveying box 3, the inner cavity of the pressing plate 6 is provided with a one-way valve 8 for one-way conveying from bottom to top, the pressing plate 6 is driven to move up and down by the lifting cylinder 5, a negative pressure is formed to suck the glue in the glue supply box 2, then the glue is extruded downward by the pressing plate 6, so as to be transported into the inside of the sealed transfer mechanism, and the setting of the one-way valve 8 can exhaust the air extruded to the top of the glue under pressure to perform the first step of separation.

[0024] The bottom of the pressing plate 6 is provided with a sunken groove 7, through the setting of the sunken groove 7, when the pressing plate 6 is lifted, the sunken groove 7 is flush with the top of the conveying box 3, the solvent-free glue in the inside can flow smoothly into the receiving hopper 4, and then is conveyed to the glue supply tank 2 for recycling.

[0025] The sealing and transferring mechanism comprises a rotating cylinder 12 rotatably arranged at the connecting position between the conveying box 3 and the inside cavity of the bubble removing tank 1, and a sealing block 11 fixedly arranged in the inside cavity of the conveying box 3 and in surface contact with the rotating cylinder 12. The inside cavity of the rotating cylinder 12 is provided with two symmetrical placing grooves 13. The rotating cylinder 12 is driven to rotate by a motor. The solvent-free glue pressed and compacted by the pressing plate 6 enters the placing grooves 13, and then the rotating cylinder 12 drives the placing grooves 13 filled with the solvent-free glue to rotate to the lower position under the action of gravity. The solvent-free glue is conveyed to the bubble removing tank 1. The operation is repeated to continuously transfer, and the bubble removing tank 1 and the conveying box 3 are kept in continuous sealing during the transferring, so that the outside air can be effectively prevented from entering the bubble removing tank 1.

[0026] The top of the bubble removing tank 1 is communicated with an air suction hopper 20 communicated with an outside vacuum pump. The air suction hopper 20 is kept in a micro-negative pressure state by working, so that the gas shaken out of the solvent-free glue can be effectively sucked into the upper position, and the separated gas bubbles can be prevented from being re-mixed into the solvent-free glue.

[0027] The conveying box 3 is fixedly connected with a screen 10 in the inside cavity between the pressing plate 6 and the rotating cylinder 12. Through the setting of the screen 10, the inside gas bubbles can be punctured and floated to the surface of the solvent-free glue while the glue is screened.

[0028] The highest position of the drainage block 17 is higher than the lowest position of the rotating cylinder 12. Through the setting of the drainage block 17, the solvent-free glue is accumulated in the inside, and then is outputted after being lifted to the height of the drainage block 17. The increased stroke can effectively remove the gas bubbles in the solvent-free glue.

[0029] The above is only the preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as the above preferred embodiment, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content to make equivalent embodiments with equivalent changes, as long as the changes or modifications do not deviate from the technical solution of the present application. Any modification, change and modification of the above embodiment based on the technical essence of the present application are still within the scope of the technical solution of the present application.

Claims

1. A defoaming assembly for solventless glue preparation equipment, comprising a glue supply tank (2), a conveying tank (3) and a defoaming tank (1), characterized in that: The conveying box (3) is fixed on the top of the bubble removing box (1), the side of the glue supply box (2) is communicated with the receiving hopper (4) arranged around the conveying box (3), the inner cavity of the glue supply box (2) is communicated with the inner cavity of the conveying box (3) through the conveying channel (9), the inner cavity of the conveying box (3) is provided with the extrusion device for extruding the glue, and the inner cavity of the conveying box (3) is provided with the sealing transfer mechanism communicated with the bubble removing box (1); The inner cavity of the bubble removing box (1) is fixedly connected with the vibrating plate (14) through the elastic sealing belt (15), the bottom of the inner cavity of the bubble removing box (1) is fixedly connected with the vibrating motor (16) abutting against the vibrating plate (14), the right side of the bubble removing box (1) is fixedly connected with the drainage block (17) fixedly connected with the right side of the elastic sealing belt (15), the left side of the drainage block (17) is provided with the inclined surface gradually rising from left to right, the drainage block (17) divides the bubble removing box (1) into the discharging groove (22), the inner cavity of the drainage block (17) is provided with the guide groove (18) communicated with the inner cavities of the bubble removing box (1) and the discharging groove (22), and the inner cavity of the drainage block (17) is slidably connected with the pushing block (21) driven by the air cylinder through the embedded groove (19); the inner cavity of the bubble removing box (1) located below the pushing block (21) is communicated with the discharging pipeline (23). The extrusion mechanism comprises the lifting air cylinder (5) fixed in the inner cavity of the conveying box (3), the bottom end of the piston rod of the lifting air cylinder (5) is fixedly connected with the pressing plate (6) slidably sealed with the inner cavity of the conveying box (3), and the inner cavity of the pressing plate (6) is provided with the one-way valve (8) for one-way conveying from bottom to top. The sealing transfer mechanism comprises the rotating cylinder (12) rotatably arranged at the connecting position between the inner cavities of the conveying box (3) and the bubble removing box (1) and the sealing block (11) fixed in the inner cavity of the conveying box (3) and in surface contact with the rotating cylinder (12), and the inner cavity of the rotating cylinder (12) is provided with two symmetrical placing grooves (13) upward and downward.

2. The defoaming assembly for a solventless glue preparation apparatus according to claim 1, characterized in that: The periphery of the pressing plate (6) is provided with the sunken groove (7).

3. The defoaming assembly for a solventless glue preparation apparatus according to claim 1, wherein: The top of the bubble removing box (1) is communicated with the air suction hopper (20) communicated with the external vacuum pump.

4. The defoaming assembly for a solventless glue preparation apparatus according to claim 1, wherein: The inner cavity of the conveying box (3) between the pressing plate (6) and the rotating cylinder (12) is fixedly connected with the screen mesh (10).

5. The defoaming assembly for a solventless glue preparation apparatus according to claim 1, wherein: The highest position of the drainage block (17) is higher than the lowest position of the rotating cylinder (12).

Images