CN112936779A

CN112936779A - Compression injection device of injection molding machine

Info

Publication number: CN112936779A
Application number: CN202110095094.5A
Authority: CN
Inventors: 戚秀华
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-06-11

Abstract

The invention discloses a compression glue injection device of an injection molding machine, which structurally comprises a base, a hot melt pipe, an adding hopper, a glue injection pipe and a pressurizer, wherein the top surface of the base is welded with the outer layer of the hot melt pipe, the bottom surface of the adding hopper is mutually communicated with the outer layer of the hot melt pipe and is connected with the outer layer of the hot melt pipe through electric welding, and the left side of the pressurizer is fixedly embedded with the right side of the hot melt pipe. Avoiding the normal thin blowing work.

Description

Compression injection device of injection molding machine

Technical Field

The invention relates to the field of injection molding and glue injection, in particular to a compression glue injection device of an injection molding machine.

Background

The injection is a process of injecting hot-melted plastic liquid into a mold cavity, when the injection is performed, pressure is generated by compressing an injection device, the hot-melted plastic liquid is extruded into the mold cavity through an injection pipeline, and the hot-melted plastic liquid can maintain fluidity only by keeping a certain temperature, so that if the injection is performed once in cold weather, a part of plastic solution which is not completely injected can be accumulated at an injection port of the injection device, and the plastic solution loses heat rapidly at the cold temperature and becomes a solidified state and adheres to the injection port, so that the output quantity of the injection port is reduced, and when the next injection is performed, the plastic which can be solidified again after the hot-melted plastic flows through for a period of time is required to recover to be normal, so that the injection speed is slowed down.

Disclosure of Invention

Aiming at the problems, the invention provides a compression glue injection device of an injection molding machine.

In order to achieve the purpose, the invention is realized by the following technical scheme: the compression glue injection device of the injection molding machine structurally comprises a base, a hot melting pipe, an adding hopper, a glue injection pipe and a pressurizing machine, wherein the top surface of the base is connected with the outer layer of the hot melting pipe in a welding mode, the bottom surface of the adding hopper is mutually communicated with the outer layer of the hot melting pipe and is connected with the outer layer of the hot melting pipe in an electric welding mode, the right side of the glue injection pipe is embedded into the hot melting pipe, and the left side of the pressurizing machine is fixedly connected with the right side; penetrate the hose and include sleeve pipe, output tube, electrothermal tube, injection head, blow the sheet metal, the sleeve pipe left side communicates with each other and passes through the electric welding with the output tube right side and be connected, the electrothermal tube imbeds in the output tube inlayer, the injection head right side communicates with the output tube left side each other and passes through the electric welding and be connected, blow sheet metal right-hand member fixed mounting in the injection head inlayer, the electrothermal tube is equipped with a plurality ofly, and a set of clearance evenly distributes in the output tube inner wall in two of a plurality of electrothermal tubes.

Further, blow the sheet metal and include water conservancy diversion head, fixed block, clamp plate, layer board, the post of blowing, water conservancy diversion head left side and fixed block left side welded connection, the clamp plate bottom is embedded in the layer board top surface, the layer board right side is embedded with the fixed block left side and is connected, blow the post bottom surface and weld in the layer board top surface, blow post right side and clamp plate left side mutual contact, the post of blowing is equipped with fourteen, and seven a set of mirror image distributions of fourteen post of blowing are on the layer board from top to bottom.

Furthermore, the air blowing column comprises a fixing column, a side plate, an air pipe and an air compression structure, the left side of the fixing column is fixedly connected with the right side of the side plate, the air pipe is embedded into the left side of the fixing column, the air compression structure is embedded into the left side of the side plate, the right side of the air compression structure is mutually communicated with an outer ring of the air pipe and is connected with the outer ring of the air pipe through electric welding, the number of the side plate and the air compression structure is two, and the two.

Furthermore, the structure of calming the anger is including pressing frame, reset post, turning round head, exhaust structure, press the frame top and turn round the inside embedded solid of head and be connected, exhaust structure left side and press the frame right side to put through each other and be connected through the electric welding, reset post both ends and the movable block of pressure frame inlayer, exhaust structure is equipped with four, and four exhaust structure clearances distribute in the pressure frame right side uniformly.

Further, exhaust structure includes output tube, laminating wall, suspension post, expands the wheel outward, output tube middle section and laminating wall skin interconnect and through the electric welding connection, the suspension post bottom welds in laminating wall inlayer, expand wheel center outward and suspend capital end activity block in suspension, the suspension post is equipped with four, and two a set of mirror image distributions in laminating wall inlayer of four suspension posts.

Furthermore, the outer expanding wheel comprises an installation shaft, a tension spring, a twisting plate, a pressing frame and a blocking cover, wherein the installation shaft outer ring is connected with the inner ring of the twisting plate through the tension spring, the installation shaft outer ring is connected with the inner ring of the pressing frame through the tension spring, the blocking cover is embedded into the outer layer of the pressing frame, and the outer layer of the twisting plate is provided with three fin-shaped wind receiving plate structures with rough surfaces.

Advantageous effects

Compared with the prior art, the invention has the following beneficial effects:

the pressure sensing is carried out through the blowing thin plate arranged in the injection head, when a large amount of hot melt liquid stays in the injection head after the glue injection is finished, the pressing plate can be pressed down through the weight of the hot melt liquid, so that the pressing plate moves downwards and presses the air pressing structure of the air blowing column in the pressing process, a large amount of air is generated and diffused outwards, the hot melt liquid adhered to the pressing plate is blown to be thin in a large area, the thickness of the hot melt liquid is reduced, the time required by re-hot melting in the next glue injection is greatly reduced, the glue injection speed is accelerated, meanwhile, the pipeline for blowing in the glue injection process is prevented from being blocked through the special exhaust structure, and the phenomenon that the thin liquid cannot be blown normally is avoided.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of a compression glue injection device of an injection molding machine.

FIG. 2 is a schematic structural view of a front cross section of the injection tube of the present invention.

FIG. 3 is a schematic structural diagram of a front cross section of a blown sheet according to the present invention.

FIG. 4 is a schematic structural diagram of a front section of the air blowing column of the present invention.

Fig. 5 is a schematic structural view of a front view cross section of the air compressing structure of the present invention.

FIG. 6 is a schematic structural view of an elevational cross-section of the venting structure of the present invention.

FIG. 7 is a schematic structural view of a front section of the expanding wheel of the present invention.

In the figure: base-1, hot melt pipe-2, feeding hopper-3, injection pipe-4, press-5, sleeve-41, output pipe-42, electrothermal pipe-43, injection head-44, blowing sheet-45, flow guide head-451, fixed block-452, press plate-453, splint-454, blowing column-455, fixed column-A1, side plate-A2, air pipe-A3, air compression structure-A4, press frame-A41, reset column-A42, twist head-A43, air exhaust structure-A44, output pipe-B1, joint wall-B2, suspension column-B3, external expanding wheel-B4, mounting shaft-B41, tension spring-B42, twist sheet-B43, press frame-B44 and blocking cover-B45.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, not all embodiments of the present invention, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The first embodiment is as follows:

referring to fig. 1-5, the embodiments of the present invention are as follows: the compression glue injection device of the injection molding machine structurally comprises a base 1, a hot melting pipe 2, an adding hopper 3, a glue injection pipe 4 and a pressurizing machine 5, wherein the top surface of the base 1 is welded with the outer layer of the hot melting pipe 2, the bottom surface of the adding hopper 3 is mutually communicated with the outer layer of the hot melting pipe 2 and is connected with the outer layer of the hot melting pipe 2 through electric welding, the right side of the glue injection pipe 4 is embedded into the hot melting pipe 2, and the left side of the pressurizing machine 5 is fixedly connected with the right side of the hot melting pipe 2; penetrate rubber tube 4 and include sleeve pipe 41, output tube 42, electrothermal tube 43, injection head 44, blow sheet 45, the mutual switch-on in sleeve pipe 41 left side and output tube 42 right side and pass through the electric welding and be connected, electrothermal tube 43 imbeds in output tube 42 inlayer, the mutual switch-on in injection head 44 right side and output tube 42 left side and pass through the electric welding and be connected, blow sheet 45 right-hand member fixed mounting in injection head 44 inlayer, electrothermal tube 43 is equipped with a plurality ofly, and two a set of clearances of a plurality of electrothermal tubes 43 distribute in output tube 42 inner wall uniformly, are favorable to the reinforcing heating effect, avoid hot melt plastic liquid to solidify fast.

The thin plate 45 comprises a flow guide head 451, a fixing block 452, a pressing plate 453, a supporting plate 454 and blowing columns 455, the left side of the flow guide head 451 is welded to the left side of the fixing block 452, the bottom of the pressing plate 453 is embedded into the top surface of the supporting plate 454, the right side of the supporting plate 454 is fixedly connected to the left side of the fixing block 452, the bottom surfaces of the blowing columns 455 are welded to the top surface of the supporting plate 454, the right side of the blowing columns 455 is in mutual contact with the left side of the pressing plate 453, fourteen blowing columns 455 are arranged, and seven groups of fourteen blowing columns 455 are arranged on the upper surface and the lower surface.

The air blowing column 455 comprises a fixed column A1, a side plate A2, an air pipe A3 and an air compressing structure A4, the left side of the fixed column A1 is fixedly connected with the right side of the side plate A2, the air pipe A3 is embedded in the left side of the fixed column A1, the air compressing structure A4 is embedded in the left side of the side plate A2, the right side of the air compressing structure A4 is communicated with the outer ring of the air pipe A3 and is connected with the outer ring of the air pipe A3 through electric welding, two side plates A2 and two air compressing structures A4 are arranged, the two side plates A2 and the air compressing structure A4 are distributed on two sides of the fixed column A1.

Wherein, structure a4 calms the anger includes pressure frame a41, resets post a42, twists round head a43, exhaust structure a44, press frame a41 top and twist round head a43 inside embedded solid to be connected, exhaust structure a44 left side and pressure frame a41 right side communicate each other and through electric welding connection, reset post a42 both ends and the inlayer activity block of pressure frame a41, exhaust structure a44 is equipped with four, and four exhaust structure a44 clearances distribute evenly in pressure frame a41 right side, are favorable to increasing the air current size of output.

Based on the above embodiment, the specific working principle is as follows: adding plastic raw materials into a feeding hopper 3, carrying out hot melting on the plastic raw materials through a hot melting pipe 2, simultaneously starting a pressurizing machine 5 for pressurizing, so that hot melting liquid is conveyed into an injection rubber pipe 4, a sleeve 41 is output to an output pipe 42, further an electric heating pipe 43 in the output pipe 42 maintains the temperature again, and is quickly output to an injection head 44 for injection, after the injection is finished, a part of hot melting liquid is remained in the injection head 44, due to the weight of the hot melting liquid, a pressing plate 453 of a blowing sheet 45 is pressed downwards, and two sides press the side edge of a blowing column 455 in the pressing process, so that a pressing frame A41 of a pressing structure A4 of the blowing column 455 is pressed inwards, further an air pressure difference is generated, the air is blown into an exhaust structure A44, and is output to an air pipe A3 of the blowing column through the exhaust structure A44 to be diffused upwards, and is blown into the hot melting liquid which is not completely solidified, so that cavities, thereby weakening the thickness thereof.

Example two:

referring to fig. 6-7, the embodiment of the present invention is as follows: exhaust structure A44 includes output tube B1, laminating wall B2, suspension post B3, outer expanding wheel B4, output tube B1 middle section and laminating wall B2 skin interconnect and through the electric welding connection, suspension post B3 bottom weld in laminating wall B2 inlayer, expand wheel B4 center and hang post B3 top activity block outward, suspension post B3 is equipped with four, and two a set of mirror image distributions in laminating wall B2 inlayers of four suspension posts are favorable to increasing the stability of hanging.

Wherein, outer expanding wheel B4 includes installation axle B41, extension spring B42, wrench movement piece B43, pressure frame B44, stop cover B45, the installation axle B41 outer loop passes through extension spring B42 and wrench movement piece B43 inner ring connection, installation axle B41 outer loop passes through extension spring B42 and pressure frame B44 inner ring connection, stop cover B45 and imbed in pressure frame B44 outer layer, twist the fin that piece B43 outer layer is equipped with three surface roughness receives the aerofoil structure, the impetus that produces when being favorable to increasing the air current and flowing through.

Based on the above embodiment, the specific working principle is as follows: when the exhaust structure a44 outputs gas, the gas is output into the joint wall B2 through the output pipe B4, and blows three air receiving plates on the outer layer of the twisting plate B43 of the outward expanding wheel B4, so that the air receiving plates are twisted, and simultaneously twists the tension spring B42, so that the tension spring B42 is rotated and contracted, the pressing frame B44 is jointed with the twisting plate B43, when the external hot melt liquid flows in, the gas cannot be discharged outwards, therefore, the twisting plate B43 losing power is expanded together with the pressing frame B44 under the action of the tension spring B42, the outer surface of the pressing frame B44 is jointed with the joint wall B2, and the tension spring B42 continuously applies pressure to press and deform the pressing frame B44, and the gas flow generated by deformation is quickly blown out of the blocking cover B45, so that the joint wall B2 can be closed, and the whole pipeline can be blocked by the hot melt liquid blown off by the impact of the gas flow flowing in.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a mucilage binding is penetrated in compression of injection molding machine, its structure includes base (1), hot melt pipe (2), adds fill (3), penetrates rubber tube (4), presser (5), its characterized in that:

the top surface of the base (1) is welded with the outer layer of the hot melting pipe (2), the bottom surface of the adding hopper (3) is communicated with the outer layer of the hot melting pipe (2) and is connected with the outer layer of the hot melting pipe (2) through electric welding, the right side of the rubber injection pipe (4) is embedded into the hot melting pipe (2), and the left side of the pressurizer (5) is fixedly connected with the right side of the hot melting pipe (2);

penetrate rubber pipe (4) including sleeve pipe (41), output tube (42), electrothermal tube (43), injection head (44), blow sheet metal (45), sleeve pipe (41) left side and output tube (42) right side switch-on each other and through the electric welding connection, electrothermal tube (43) are embedded in output tube (42) inlayer, injection head (44) right side and output tube (42) left side switch-on each other and through the electric welding connection, blow sheet metal (45) right-hand member fixed mounting in injection head (44) inlayer.

2. The compression injection molding apparatus of an injection molding machine as claimed in claim 1, wherein: the thin plate blowing device is characterized in that the thin plate blowing device (45) comprises a flow guide head (451), a fixing block (452), a pressing plate (453), a supporting plate (454) and a blowing column (455), the left side of the flow guide head (451) is in welded connection with the left side of the fixing block (452), the bottom of the pressing plate (453) is embedded into the top surface of the supporting plate (454), the right side of the supporting plate (454) is fixedly connected with the left side of the fixing block (452), the bottom surface of the blowing column (455) is welded to the top surface of the supporting plate (454), and the right side of the blowing column (455) is in.

3. The compression injection molding apparatus of an injection molding machine as claimed in claim 2, wherein: the air blowing column (455) comprises a fixing column (A1), a side plate (A2), an air pipe (A3) and an air compression structure (A4), the left side of the fixing column (A1) is fixedly connected with the right side of the side plate (A2), the air pipe (A3) is embedded into the left side of the fixing column (A1), the air compression structure (A4) is embedded into the left side of the side plate (A2), and the right side of the air compression structure (A4) is communicated with the outer ring of the air pipe (A3) and is connected with the outer ring of the air pipe (A3.

4. The compression injection molding apparatus of an injection molding machine as claimed in claim 3, wherein: structure (A4) of calming anger is including pressing frame (A41), post (A42) resets, turning round head (A43), exhaust structure (A44), press frame (A41) top and turn round head (A43) inside the embedded solid connection, exhaust structure (A44) left side and press frame (A41) right side to put through each other and through the electric welding connection, it blocks with pressing frame (A41) inlayer activity to restore to the throne post (A42) both ends.

5. The compression injection molding apparatus of an injection molding machine as claimed in claim 4, wherein: exhaust structure (A44) include output tube (B1), laminating wall (B2), hang in midair post (B3), expand wheel (B4) outward, output tube (B1) middle section and laminating wall (B2) skin switch on each other and through the electric welding connection, hang in midair post (B3) bottom weld in laminating wall (B2) inlayer, expand wheel (B4) center and hang in midair post (B3) top activity block outward.

6. The compression molding apparatus of an injection molding machine according to claim 5, wherein: outer expanding wheel (B4) is including installation axle (B41), extension spring (B42), wrench movement piece (B43), pressure frame (B44), stop cover (B45), installation axle (B41) outer loop is through extension spring (B42) and wrench movement piece (B43) inner loop connection, installation axle (B41) outer loop is through extension spring (B42) and pressure frame (B44) inner loop connection, stop cover (B45) imbeds in pressure frame (B44) skin.