Vacuum powder conveying mechanism for adhesive production

Abstract

The utility model belongs to the technical field of conveying mechanisms, and particularly relates to a vacuum powder conveying mechanism for adhesive production, the conveying mechanism is used for conveying powder from a material tank into a mixing tank, the conveying mechanism comprises a vacuum pipeline group and a conveying pipeline group which are communicated with the interior of the mixing tank, and the conveying pipeline group is at least partially located in the vacuum pipeline group. The end, away from the mixing tank, of the conveying pipeline set is connected with the material tank. It can be understood that the vacuum pipeline set is arranged in the conveying pipeline set, powder conveying is achieved through vacuum, an external power source is not needed, and the energy utilization rate is increased; the filter plate can prevent powder from entering the conveying pipeline group and is convenient to disassemble, assemble and maintain; a feeding valve, a pressure release valve and a quantitative blanking valve are arranged on the charging bucket, so that the sealing performance and the controllability are ensured; the vacuum transfer pipe and the feeding transfer pipe are detachable and are convenient to overhaul; the distribution plate and the discharging hole in the diffusion pipe improve the powder conveying uniformity, and the mixing efficiency and effect are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to conveying mechanism technical field, especially, relate to a kind of vacuum powder conveying mechanism in adhesive production. BACKGROUND

[0002] Mixing procedure in adhesive processing is the key step in production process, directly influences the performance and quality of adhesive. The core goal of this procedure is to mix resin, curing agent, filler, additive and other raw materials fully, ensure that each component is evenly distributed, while removing bubbles in colloid through vacuum mixing, to avoid bubbles affecting the bonding performance, sealing performance and appearance quality of adhesive;

[0003] In order to improve stirring efficiency and mixing uniformity, some powdery raw materials (such as filler, pigment, etc.) will be gradually added during stirring process, but this needs to ensure the negative pressure effect inside tank, thereby increasing the difficulty of powder feeding;

[0004] To solve the above problems, a kind of vacuum powder conveying mechanism in adhesive production is proposed in the application. INVENTION CONTENTS

[0005] The utility model aims at providing a kind of vacuum powder conveying mechanism in adhesive production, solve the problems raised in the above background.

[0006] To solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model is a kind of vacuum powder conveying mechanism in adhesive production, conveying mechanism is used to convey powder from tank to inside mixing tank, conveying mechanism includes vacuum pipeline group and conveying pipeline group with inside mixing tank intercommunication, the conveying pipeline group is at least partially located inside vacuum pipeline group, the conveying pipeline group is connected with tank at the end away from mixing tank, filter plate for intercepting powder is detachably arranged at the connection of vacuum pipeline group and conveying pipeline group;The vacuum pipeline group includes joint fixed on mixing tank and with its intercommunication and vacuum adapter pipe connected by flange and joint;The conveying pipeline group includes diffusion pipe in joint and feeding adapter pipe partially located in vacuum adapter pipe, the diffusion pipe and feeding adapter pipe intercommunicate, the feeding adapter pipe penetrates inside and outside vacuum adapter pipe.

[0008] Further, the inside of the joint and vacuum adapter pipe flange connection place is equipped with the slot that will position filter plate, the filter plate is sealed and fits in the diffusion pipe outside.

[0009] Further, the inside of the vacuum adapter pipe is equipped with the support for feeding adapter pipe near diffusion pipe one end, the diffusion pipe and feeding adapter pipe are connected by the flange compression of vacuum pipeline group, the connection of diffusion pipe and feeding adapter pipe is located in the inside of vacuum adapter pipe.

[0010] Further, the diffusion pipe is located in the joint and the mixing tank, a ladder is arranged on the side close to the mixing tank of the diffusion pipe, a shunt plate is connected in the ladder, a group of discharge holes are arranged in the bottom of the two parts of the diffusion pipe, and the two groups of discharge holes are diagonally distributed along the axial direction of the diffusion pipe.

[0011] Further, the pressure cover is arranged in the material tank, the piston is slidably connected to the inner side of the material tank, and the discharge port is arranged at the bottom of the material tank.

[0012] Further, the pressure cover is arranged in the material tank, the piston is slidably connected to the inner side of the material tank, and the discharge port is arranged at the bottom of the material tank.

[0013] The utility model has the following beneficial effects:

[0014] The utility model places the vacuum pipeline group in the conveying pipeline group, realizes powder conveying by vacuum, does not need to connect the power source outside, increases energy utilization, the filter plate arranged simultaneously can avoid that powder flows to the conveying pipeline group, and the filter plate can be conveniently disassembled and assembled, is favorable to maintenance, the feeding is guaranteed while the sealing property is guaranteed through setting the feeding valve, pressure relief valve and quantitative discharge valve on the material tank, and controllability and flexibility are improved.

[0015] The utility model discloses a detachable vacuum adapter pipe and feeding adapter pipe, which are convenient for pipeline maintenance and repair.

[0016] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages mentioned above. DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.

[0018] Figure 1 It is the whole appearance structure schematic diagram of the utility model;

[0019] Figure 2 It is the structure schematic diagram of the main view local half cut of the connecting place of conveying mechanism and mixing tank;

[0020] Figure 3 Fig. 2 is a schematic structural view of a material tank in a front view and a half section view;

[0021] Figure 4 Fig. 3 is a schematic structural view of a diffusion tank in a top view and a partial section view;

[0022] Figure 5 Fig. 4 is a schematic structural view of a middle A part in an enlarged view; Figure 2

[0023] In the drawings, the components represented by the respective reference numerals are listed as follows:

[0024] In the drawings, the components represented by the respective reference numerals are listed as follows:1, mixing tank; 2, material tank; 21, pressure cover; 211, piston; 22, discharge port; 3, vacuum pipeline group; 31, joint; 32, vacuum switching pipe; 321, support; 4, conveying pipeline group; 41, diffusion pipe; 411, flow dividing plate; 412, discharging hole; 42, feeding switching pipe; 5, filter plate; 6, feeding valve; 7, pressure relief valve; 8, quantitative discharging valve. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] In the description of the present application, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "periphery" and the like indicate the orientation or positional relationship, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the indicated components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be understood as a limitation of the present application.

[0027] Please refer to Figures 1-5As shown, the utility model is a kind of adhesive production vacuum powder conveying mechanism, conveying mechanism is used to convey powder from tank 2 to the inside of mixing tank 1, conveying mechanism includes with the inside intercommunication of mixing tank 1 vacuum pipeline group 3 and conveying pipeline group 4, conveying pipeline group 4 at least partially located inside vacuum pipeline group 3, conveying pipeline group 4 is connected with tank 2 away from the one end of mixing tank 1, and filter plate 5 for intercepting powder is detachably provided at the joint of vacuum pipeline group 3 and conveying pipeline group 4;Vacuum pipeline group 3 includes joint 31 fixed on mixing tank 1 and with its intercommunication and vacuum adapter pipe 32 connected by flange and joint 31;Conveying pipeline group 4 includes diffusion pipe 41 located in joint 31 and feeding adapter pipe 42 partially located in vacuum adapter pipe 32, diffusion pipe 41 and feeding adapter pipe 42 intercommunicate, and feeding adapter pipe 42 penetrates inside and outside vacuum adapter pipe 32.

[0028] Wherein, the inside of the flange connection of joint 31 and vacuum adapter pipe 32 is provided with the notch for positioning filter plate 5, filter plate 5 is sealed in sleeve in the outside of diffusion pipe 41, in the embodiment, through the notch and filter plate 5 cooperation, then under the action of flange, the maintenance of filter plate 5 can be facilitated.

[0029] Wherein, the inside of vacuum adapter pipe 32 is provided with support 321 for feeding adapter pipe 42 close to the one end of diffusion pipe 41, diffusion pipe 41 and feeding adapter pipe 42 are connected by the flange compression of vacuum pipeline group 3, and the connection of diffusion pipe 41 and feeding adapter pipe 42 is located in the inside of vacuum adapter pipe 32, in the embodiment, support 321 is used for the support of the connection of diffusion pipe 41 and feeding adapter pipe 42, in order to improve the sealing effect of connection, sealing element can be arranged between diffusion pipe 41 and feeding adapter pipe 42.

[0030] Wherein, diffusion pipe 41 is located in joint 31 and mixing tank 1 simultaneously, diffusion pipe 41 is provided with a ladder close to the side of mixing tank 1, the inside of ladder is connected with the shunt plate 411 for dividing diffusion pipe 41 into two parts, a group of discharge holes 412 are formed in the bottom of two parts of diffusion pipe 41, two groups of discharge holes 412 are diagonally distributed along the axial direction of diffusion pipe 41, in the embodiment, as shown in the diagonally distributed discharge hole 412 can convey powder to different radial positions inside mixing tank 1, so that powder and material inside mixing tank 1 are mixed more evenly. Figure 4

[0031] Wherein, the inside of tank 2 is provided with gland 21, piston 211 is fixed on the outside of gland 21 and is slidably fitted with the inside of tank 2, and discharge port 22 is arranged at the bottom of tank 2.

[0032] ​The cover 21 is provided with a feeding opening, the feeding opening is connected with a feeding valve 6, the cover 21 is further provided with a pressure relief valve 7, the bottom of a discharge opening 22 is connected with a quantitative discharge valve 8, and one end of the quantitative discharge valve 8 extends to the outside of the vacuum adapter pipe 32 through a pipeline and the feeding adapter pipe 42, all the valves in the embodiment are electric control valves, then the valves are connected with a controller, precise discharging is realized through the connection of the controller, precise cooperation is ensured, and the powder conveying is ensured at the same time, and the vacuum effect in the mixing tank 1 is ensured.

[0033] It can be understood that the vacuum pipeline group is arranged in the conveying pipeline group, powder conveying is realized by utilizing vacuum, an external power source is not needed, energy utilization is improved, the filter plate can prevent powder from entering the conveying pipeline group and is convenient to disassemble and maintain, the feeding valve, the pressure relief valve and the quantitative discharge valve are arranged on the material tank, the sealing property and controllability are ensured, the vacuum adapter pipe and the feeding adapter pipe are detachable and convenient to overhaul, the shunt plate and the discharge hole in the diffusion pipe improve the uniformity of powder conveying, and the mixing efficiency and effect are ensured.

[0034] One specific application of the embodiment is that the vacuum adapter pipe 32 is connected with a negative pressure device, the lower end of the feeding adapter pipe 42 is connected with the bottom of the quantitative discharge valve 8 through a pipeline.

[0035] The quantitative discharge valve 8 is closed, the pressure relief valve 7 is opened, the cover 21 is lifted upwards and powder is added into the material tank 2 through the feeding valve 6, the pressure relief valve 7 and the feeding valve 6 are closed at the same time after the powder is added, at this moment, the inside of the material tank 2 is in a sealed state, the inside of the mixing tank 1 is vacuumized through the vacuum adapter pipe 32 and the connector 31, when it is needed to add powder in the material tank 2, the quantitative discharge valve 8 is opened, the powder in the material tank 2 is finally introduced into the inside of the mixing tank 1 through the connecting pipe, the feeding adapter pipe 42 and the diffusion pipe 41 under the action of negative pressure, the powder is shunted by the shunt plate 411 when the powder is in the diffusion pipe 41, and then is scattered into the inside of the mixing tank 1 through the distribution of the discharge hole 412 at different radius positions, the filter plate 5 can block the powder from entering the negative pressure device, the powder in the material tank 2 is reduced at the same time, and the cover 21 is lowered in the material tank 2 under the action of the piston 211.

[0036] When the powder in the material tank 2 is about to be used up, at this moment, the pressure relief valve 7 is opened at the same time when the quantitative discharge valve 8 is opened, the powder in the bottom of the material tank 2, the connecting pipe and the conveying pipeline group 4 is sucked into the inside of the mixing tank 1 under the action of negative pressure, and then the pressure relief valve 7 and the quantitative discharge valve 8 are closed.

[0037] The connector 31 and the vacuum adapter pipe 32 are connected through flanges, the filter plate 5 can be conveniently taken out through the dismounting of the connector 31 and the vacuum adapter pipe 32, maintenance is convenient, meanwhile, the diffusion pipe 41 and the feeding adapter pipe 42 can be connected through flanges and docked at the same time under the cooperation of the support 321 and the filter plate 5, the reliability of the connection between the pipelines is ensured, and convenience is improved.

[0038] In the description of the present specification, the description referring to the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0039] The preferred embodiments of the present application disclosed above are only used to help explain the present application. The preferred embodiments do not describe all the details and limit the present application to the specific embodiments described. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present application, so that the persons skilled in the art can well understand and utilize the present application. The present application is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A vacuum powder conveying mechanism for adhesive production, the conveying mechanism being used to convey powder from a powder tank (2) to the inside of a mixing tank (1), the conveying mechanism comprising a vacuum pipe group (3) and a conveying pipe group (4) that communicate with the inside of the mixing tank (1), characterized in that: The conveying pipe group (4) is at least partially located inside the vacuum pipe group (3), and the conveying pipe group (4) is connected with the material tank (2) at one end away from the mixing tank (1); a filter plate (5) for intercepting powder is detachably arranged at the connection between the vacuum pipe group (3) and the conveying pipe group (4); The vacuum pipe group (3) comprises a joint (31) fixed on the mixing tank (1) and communicating with the mixing tank (1), and a vacuum adapter pipe (32) connected through a flange and the joint (31); The conveying pipe group (4) comprises a diffusion pipe (41) located in the joint (31) and a feeding adapter pipe (42) partially located in the vacuum adapter pipe (32); the diffusion pipe (41) and the feeding adapter pipe (42) communicate with each other, and the feeding adapter pipe (42) extends through the inside and outside of the vacuum adapter pipe (32).

2. The vacuum powder conveying mechanism for adhesive production according to claim 1, characterized in that: A notch for positioning the filter plate (5) is arranged inside the flange connection between the joint (31) and the vacuum adapter pipe (32); and the filter plate (5) is sealingly sleeved outside the diffusion pipe (41).

3. The vacuum powder conveying mechanism for adhesive production according to claim 2, characterized in that: A support (321) for the feeding adapter pipe (42) is arranged inside the vacuum adapter pipe (32) near one end of the diffusion pipe (41); the diffusion pipe (41) and the feeding adapter pipe (42) are connected through flange pressing of the vacuum pipe group (3); and the connection between the diffusion pipe (41) and the feeding adapter pipe (42) is located inside the vacuum adapter pipe (32).

4. The vacuum powder conveying mechanism for adhesive production according to claim 1, characterized in that: The diffusion pipe (41) is located in the joint (31) and the mixing tank (1) at the same time; a step is arranged on the side of the diffusion pipe (41) close to the mixing tank (1); a shunt plate (411) for dividing the diffusion pipe (41) into two parts is connected inside the step; a group of discharge holes (412) are arranged at the bottom of each of the two parts of the diffusion pipe (41); and the two groups of discharge holes (412) are diagonally distributed along the axial direction of the diffusion pipe (41).

5. The vacuum powder conveying mechanism for adhesive production according to claim 1, characterized in that: A gland (21) is arranged inside the material tank (2); a piston (211) slidingly matched with the inside of the material tank (2) is fixed on the outside of the gland (21); and a discharge port (22) is arranged at the bottom of the material tank (2).

6. The vacuum powder conveying mechanism for adhesive production according to claim 5, characterized in that: A feeding port is arranged on the gland (21); a feeding valve (6) is connected to the feeding port; a pressure relief valve (7) is further arranged on the gland (21); a quantitative discharge valve (8) is connected to the bottom of the discharge port (22); and the other end of the quantitative discharge valve (8) is fixed by extending through a pipe to one end of the vacuum adapter pipe (32) outside.

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