CN112339221A

CN112339221A - PVC product injection molding device

Info

Publication number: CN112339221A
Application number: CN202011094705.6A
Authority: CN
Inventors: 谢于宏
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-02-09

Abstract

The invention relates to the field of injection molding processing equipment, in particular to an injection molding processing device for PVC products, which comprises four raw material melting boxes, vertical frames, a stirring reaction box, a stirring mechanism, a driving mechanism, a lifting linkage mechanism, a feeding pipe fitting, a discharging pipe fitting, an injection molding mechanism and a rack, wherein the four raw material melting boxes are fixed at the top ends of the four vertical frames, and the bottom ends of the four vertical frames are fixed at the four sides of the rack; the lower ends of the four raw material melting boxes are provided with four feeding pipe fittings in a matching way; the four feeding pipe fittings are uniformly fixed on four sides of the stirring reaction box in a surrounding manner and are communicated with the inside of the stirring reaction box; the invention can mix various different injection molding raw materials, so that the raw materials are uniformly mixed, and the quality of the injection molded PVC product is effectively improved.

Description

PVC product injection molding device

Technical Field

The invention relates to the field of injection molding processing equipment, in particular to an injection molding processing device for a PVC product.

Background

The main component of PVC is polyvinyl chloride, which is a synthetic material that is popular, popular and widely used in the world, and the injection molding device is very important in the process of processing PVC products; however, the injection molding device in the prior art is inconvenient for mixing various different injection molding raw materials, and affects the quality of injection molding products.

Disclosure of Invention

The invention aims to provide an injection molding processing device for PVC products, which can effectively solve the problems in the prior art; the invention can mix various different injection molding raw materials, so that the raw materials are uniformly mixed, and the quality of the injection molded PVC product is effectively improved.

In order to achieve the purpose, the application provides an injection molding device for PVC products, which comprises four raw material melting boxes, a vertical frame, a stirring reaction box, a stirring mechanism, a driving mechanism, a lifting linkage mechanism, a feeding pipe fitting, a discharging pipe fitting, an injection molding mechanism and a rack, wherein the four raw material melting boxes are fixed at the top ends of the four vertical frames, and the bottom ends of the four vertical frames are fixed at the four sides of the rack; the lower ends of the four raw material melting boxes are provided with four feeding pipe fittings in a matching way; the four feeding pipe fittings are uniformly fixed on four sides of the stirring reaction box in a surrounding manner and are communicated with the inside of the stirring reaction box; the stirring reaction box is in sliding fit with the middle parts of the four vertical frames, and the middle part of the inner side of the stirring reaction box is in rotating fit with the stirring mechanism; the driving mechanism is in transmission connection with the stirring mechanism and is fixed at the side end of the stirring reaction box; the driving mechanism is in transmission connection with the lifting linkage mechanism; the lifting linkage mechanism is matched and connected with one vertical frame, and is fixedly connected to the outer side of the stirring reaction box; the middle of the bottom end of the stirring reaction box is fixedly connected with the middle of the discharging pipe fitting; the lower end of the discharging pipe fitting is connected with an injection molding mechanism in a matched mode, and the injection molding mechanism is connected to the rack in a matched mode.

Optionally, the raw material melting tank comprises a melting tank body, an annular electric heater, a material conveying pipe, a first sliding shaft, a first pressure plate, a first limiting block and a first pressure spring; the top surface of the melting box body is provided with a feed opening, and the melting box body is fixed at the top end of the vertical frame; the annular electric heater is fixed on the outer wall of the melting box body; the middle part of the material conveying pipe is fixedly connected in a material conveying through hole on the bottom surface of the melting box body in a sealing way; the top surface of the material conveying pipe is closed, and the bottom surface of the material conveying pipe is opened; the middle part of the first sliding shaft is in sealing sliding fit with the top surface of the material conveying pipe, the top end of the first sliding shaft is fixedly connected with a first limiting block, the lower end of the first sliding shaft is fixedly connected with a first pressure plate in sealing sliding fit with the material conveying pipe, and the top surface of the first pressure plate is positioned at the lower end of the bottom surface of the melting box body; the first pressure plate is fixedly connected with the top surface of the material conveying pipe through a first pressure spring sleeved on a first sliding shaft; the conveying pipe is positioned on the pipe surface inside the melting box body and is uniformly provided with a plurality of first filtering holes in a surrounding mode.

Optionally, the feeding pipe comprises a jacking feeding pipe, a conveying bent pipe and a first material receiving box with an opening on the top surface; a plurality of feeding grooves are uniformly arranged on the pipe surface of the jacking and feeding pipe in a surrounding manner; the lower end of the jacking and feeding pipe is fixedly connected and communicated with one end of the material conveying bent pipe, and the other end of the material conveying bent pipe is fixedly connected and communicated with the stirring reaction box; the first material receiving box is fixed at the lower end of the pipe surface of the jacking and feeding pipe; the top end of the jacking and feeding pipe is connected with the first pressure plate in a jacking and matching manner; the jacking feeding pipe is in sealing sliding fit with the inner pipe surface of the conveying pipe.

Optionally, the stirring reaction box comprises a reaction box body and a sliding bracket; the top surface of the reaction box body is arranged in an open manner, and a discharge port in the middle of the bottom surface of the reaction box body is fixedly connected with the discharge pipe fitting in a sealing manner; the reaction box body is fixed on the sliding bracket; the sliding brackets are in sliding fit with the middle parts of the four vertical frames; the bottom surface of the reaction box body is fixedly connected with an annular electric heating plate; the material conveying bent pipe is fixedly connected and communicated with the reaction box body.

Optionally, the stirring mechanism comprises a driven belt wheel, a rotating shaft, a bearing frame, a rotating frame, a stirring shaft and a stirring plate; the driving mechanism is connected with the driven belt wheel through a synchronous belt in a transmission way; the driven belt wheel and the rotating frame are respectively fixed at the upper end and the lower end of the rotating shaft, and the middle part of the rotating shaft is in running fit with the bearing frame; the bearing bracket is fixed on the melting box body; the top of four (mixing) shafts of normal running fit is evenly encircleed in the outside of swivel mount, and the lower extreme of four (mixing) shafts is fixed connection polylith stirring board respectively, and polylith stirring board normal running fit is in the inboard of melting case body.

Optionally, the stirring mechanism further comprises an outer gear ring, an upright post and a linkage gear; the outer gear ring is fixed on the discharging pipe fitting through an upright post; the outer side of the outer gear ring is in meshed transmission connection with four linkage gears, and the four linkage gears are fixedly connected to the upper ends of the four rotating shafts.

Optionally, the driving mechanism comprises a servo motor with a reducer, a worm and a driving belt wheel; the servo motor is fixed on the sliding bracket; an output shaft of the servo motor is in transmission connection with a worm through a coupler; the worm is in meshing transmission connection with the lifting linkage mechanism; the worm is fixedly connected with a driving belt wheel; the driving belt wheel is connected with the driven belt wheel through a synchronous belt.

Optionally, the lifting linkage mechanism includes a worm gear, a first rotating shaft, a first shaft bracket, a driving sprocket, a chain, a driven sprocket, a second rotating shaft, a second shaft bracket and a rotating gear; the worm is in meshed transmission connection with the worm wheel; the worm wheel and the driving chain wheel are respectively fixed at two ends of the first rotating shaft, the middle part of the first rotating shaft is in rotating fit with a first shaft bracket, the first shaft bracket is fixed on the sliding bracket, and the driving chain wheel is connected with a driven chain wheel through chain transmission; the driven chain wheel and the rotating gear are respectively fixed at two ends of the second rotating shaft, the middle part of the second rotating shaft is in running fit with the second shaft frame, and the second shaft frame is fixed on the sliding bracket; the rotary gear is in meshed transmission connection with a plurality of rack teeth, and the outer side face of the vertical frame is sequentially arranged from top to bottom.

Optionally, the discharge pipe fitting comprises a discharge pipe body, a second sliding shaft, a second pressure plate, a second limiting block and a second pressure spring; the middle part of the discharge pipe body is fixedly connected in a discharge port in the middle of the bottom surface of the reaction box body in a sealing manner; the top surface of the discharge pipe body is closed, and the bottom surface of the discharge pipe body is open; the middle part of the second sliding shaft is in sliding fit with the top surface of the discharge pipe body, and the upper end and the lower end of the second sliding shaft are fixedly connected with a second limiting block and a second pressure plate respectively; the second pressure plate is in sealed sliding fit with the inner side surface of the discharge pipe body; the top surface of the discharge pipe body is fixedly connected with the second pressure plate through a second pressure spring sleeved on a second sliding shaft; the height of the top surface of the second pressure plate is lower than that of the bottom surface of the reaction box body; a plurality of second filtering holes are uniformly arranged on the pipe surface of the discharge pipe body in the reaction box body in a surrounding manner; the outer gear ring is fixed on the top surface of the discharge pipe body through an upright post.

Optionally, the injection molding mechanism comprises a driving motor, a driving shaft, a material conveying spiral body, an injection molding pipe, a pipe seat, an injection pipe with a one-way valve, a blanking pipe and a second material receiving box with an opening on the top surface; the driving motor is fixed on the frame, and an output shaft of the driving motor is in transmission connection with one end of the driving shaft through a coupling; the middle part of the driving shaft is rotationally matched on a pipe cover at one end of the injection molding pipe, and the other end of the injection molding pipe is fixedly connected and communicated with the injection pipe; the other end of the driving shaft is fixedly connected with a material conveying spiral body, and the material conveying spiral body is in running fit with the injection molding pipe; the injection molding pipe is fixed on the rack through a pipe seat; the lower end of the blanking pipe is fixedly connected and communicated with a blanking port at the top of the injection molding pipe; the lower end of the blanking pipe surface is fixedly connected with a second material receiving box; the upper end of the blanking pipe is opposite to the second pressure plate, and a plurality of material through holes are uniformly arranged on the pipe surface of the blanking pipe in a surrounding manner; the blanking pipe is in sealing sliding fit with the inner wall of the discharging pipe body.

The invention has the beneficial effects that:

according to the PVC product injection molding processing device, the raw material melting boxes are arranged inside, so that different injection molding raw materials can be subjected to melting treatment; the stirring mechanism is arranged in the stirring device, so that various injection molding raw materials which are molten and then enter the stirring reaction box can be mixed and stirred, the stirring is uniform, the mixing effect is good, and the quality of a product processed by matching the injection molding mechanism and an injection mold in the follow-up process is improved.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention or related technologies, the drawings used in the description of the embodiments or related technologies will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a first general schematic diagram provided in accordance with an embodiment of the present invention;

FIG. 2 is a second overall view provided in accordance with an embodiment of the present invention;

FIG. 3 is a cross-sectional view of the overall structure provided by an embodiment of the present invention;

FIG. 4 is a schematic view of a raw material melting box provided by an embodiment of the present invention;

FIG. 5 is a schematic view of a stirred tank reactor according to an embodiment of the present invention;

FIG. 6 is a schematic view of a stirring mechanism provided in an embodiment of the present invention;

FIG. 7 is a schematic view of a drive mechanism provided by an embodiment of the present invention;

FIG. 8 is a schematic view of a lift linkage according to an embodiment of the present invention;

fig. 9 is a schematic view of a feeding pipe member provided in an embodiment of the present invention;

fig. 10 is a schematic view of a feeding pipe member provided in an embodiment of the present invention;

FIG. 11 is a schematic view of an injection molding mechanism provided in accordance with an embodiment of the present invention;

fig. 12 is a sectional view of an injection molding mechanism according to an embodiment of the present invention.

Icon: a raw material melting box 1; a melting box body 101; an annular electric heater 102; a feed delivery pipe 103; a first slide shaft 104; a first platen 105; a first stopper 106; a first pressure spring 107; a vertical frame 2; a stirring reaction box 3; a reaction box body 301; a sliding bracket 302; a stirring mechanism 4; a driven pulley 401; a rotating shaft 402; a bearing bracket 403; a rotating frame 404; a stirring shaft 405; a stir plate 406; an outer ring gear 407; a column 408; a linkage gear 409; a drive mechanism 5; a servo motor 501; a worm 502; a drive pulley 503; a lifting linkage mechanism 6; a worm gear 601; a first rotating shaft 602; a first shaft holder 603; a drive sprocket 604; a chain 605; a driven sprocket 606; a second rotating shaft 607; a second shaft frame 608; a rotating gear 609; a feed pipe member 7; the feeding pipe 701 is pressed; a delivery elbow 702; a first material receiving box 703; a discharge pipe fitting 8; a discharge pipe body 801; a second sliding shaft 802; a second platen 803; a second stopper 804; a second compression spring 805; an injection molding mechanism 9; a drive motor 901; a drive shaft 902; feeding spirochete 903; an injection molded tube 904; a stem 905; a material injection pipe 906; a blanking pipe 907; a second material receiving box 908; a frame 10.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, the meaning of a plurality of or a plurality of is two or more unless specifically limited otherwise.

It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for understanding and reading the contents disclosed in the specification, and are not used for limiting the conditions that the present application can implement, so the present invention has no technical significance, and any structural modification, ratio relationship change or size adjustment should still fall within the scope of the technical content disclosed in the present application without affecting the efficacy and the achievable purpose of the present application. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present application, and changes or modifications in the relative relationship may be made without substantial technical changes.

The present invention is described in further detail below with reference to figures 1-12.

The first embodiment is as follows:

as shown in fig. 1 to 12, an injection molding device for PVC products comprises four raw material melting boxes 1, four vertical frames 2, a stirring reaction box 3, a stirring mechanism 4, a driving mechanism 5, a lifting linkage mechanism 6, a feeding pipe fitting 7, a discharging pipe fitting 8, an injection molding mechanism 9 and a rack 10, wherein the four raw material melting boxes 1 are fixed at the top ends of the four vertical frames 2, and the bottom ends of the four vertical frames 2 are fixed at the four sides of the rack 10; the lower ends of the four raw material melting boxes 1 are provided with four feeding pipe fittings 7 in a matching way; the four feeding pipe fittings 7 are uniformly fixed on the four sides of the stirring reaction box 3 in a surrounding way and are communicated with the inside of the stirring reaction box 3; the stirring reaction box 3 is in sliding fit with the middle parts of the four vertical frames 2, and the middle of the inner side of the stirring reaction box 3 is in rotating fit with the stirring mechanism 4; the driving mechanism 5 is in transmission connection with the stirring mechanism 4, and the driving mechanism 5 is fixed at the side end of the stirring reaction box 3; the driving mechanism 5 is in transmission connection with the lifting linkage mechanism 6; the lifting linkage mechanism 6 is connected with one vertical frame 2 in a matching way, and the lifting linkage mechanism 6 is fixedly connected with the outer side of the stirring reaction box 3; the middle of the bottom end of the stirring reaction box 3 is fixedly connected with the middle of the discharging pipe fitting 8; the lower end of the discharging pipe fitting 8 is connected with an injection molding mechanism 9 in a matched mode, and the injection molding mechanism 9 is connected to a rack 10 in a matched mode. The PVC product injection molding processing device can process injection molding raw materials, when in use, a plurality of different injection molding raw materials or auxiliary materials are respectively put into different raw material melting boxes 1, and are heated and melted in the raw material melting boxes 1, after the driving mechanism 5 is started, the driving mechanism can drive the lifting linkage mechanism 6 and the stirring mechanism 4 to work, and after the driving mechanism 5 is started, the driving mechanism can drive the lifting linkage mechanism 6 to be matched with one vertical frame 2 so as to drive the stirring reaction box 3 to slide on the other three vertical frames 2 in the vertical direction; the driving mechanism 5 and the lifting linkage mechanism 6 are matched to drive the stirring reaction box 3 to move upwards, the upper ends of four feeding pipe fittings 7 can be driven to contact with four raw material melting boxes 1, the four raw material melting boxes 1 are pressed and driven by the four feeding pipe fittings 7, so that molten raw material slurry in the four raw material melting boxes 1 flows into the stirring reaction box 3, multiple raw material slurries are mixed and stirred by the stirring mechanism 4, then the driving mechanism 5 and the lifting linkage mechanism 6 are matched to drive the stirring reaction box 3 to move downwards, the four feeding pipe fittings 7 and the four raw material melting boxes 1 are gradually separated and stop feeding, the stirring mechanism 4 in the stirring reaction box 3 mixes and stirs the multiple raw material slurries and moves downwards until a discharging pipe fitting 8 is contacted with the injection molding mechanism 9, the injection molding mechanism 9 presses and drives the discharging pipe fitting 8, so that the multiple raw material slurries enter the injection molding mechanism 9 through the discharging pipe fitting 8 after being mixed, when the injection molding mechanism 9 and the discharge pipe fitting 8 are gradually separated, the raw material slurry gradually stops entering the injection molding mechanism 9 through the discharge pipe fitting 8, the upper ends of the four feeding pipe fittings 7 and the four feeding pipe fittings 7 are driven to be in contact with the raw material melting box 1 when the driving mechanism 5 and the lifting linkage mechanism 6 are matched to drive the stirring reaction box 3 to move upwards again, and the four feeding pipe fittings 7 are used for jacking transmission, so that the raw material melting box 1 is used for making four raw material slurry melted in the raw material melting box 1 flows into the stirring reaction box 3, intermittent feeding and discharging work is convenient to realize, and the mixing and stirring of the multiple raw material slurry inside the stirring reaction box 3 by the stirring mechanism 4 are more uniform.

The second embodiment is as follows:

as shown in fig. 1 to 12, the raw material melting tank 1 includes a melting tank body 101, an annular electric heater 102, a material conveying pipe 103, a first sliding shaft 104, a first platen 105, a first stopper 106, and a first pressure spring 107; a feeding port is formed in the top surface of the melting box body 101, and the melting box body 101 is fixed to the top end of the vertical frame 2; the annular electric heater 102 is fixed on the outer wall of the melting box body 101; the middle part of the material conveying pipe 103 is fixedly connected in a material conveying through hole on the bottom surface of the melting box body 101 in a sealing manner; the top surface of the material conveying pipe 103 is closed, and the bottom surface of the material conveying pipe 103 is opened; the middle part of the first sliding shaft 104 is in sealing sliding fit with the top surface of the conveying pipe 103, the top end of the first sliding shaft 104 is fixedly connected with a first limiting block 106, the lower end of the first sliding shaft 104 is fixedly connected with a first pressure plate 105 in sealing sliding fit with the conveying pipe 103, and the top surface of the first pressure plate 105 is positioned at the lower end of the bottom surface of the melting box body 101; the first pressure plate 105 is fixedly connected with the top surface of the material conveying pipe 103 through a first pressure spring 107 sleeved on the first sliding shaft 104; the material conveying pipe 103 is positioned on the pipe surface inside the melting box body 101 and is uniformly provided with a plurality of first filtering holes in a surrounding manner.

The feeding pipe fitting 7 comprises a jacking feeding pipe 701, a delivery bent pipe 702 and a first material receiving box 703 with an opening on the top surface; a plurality of feeding grooves are uniformly arranged on the surface of the jacking feeding pipe 701 in a surrounding manner; the lower end of the jacking and feeding pipe 701 is fixedly connected and communicated with one end of the material conveying bent pipe 702, and the other end of the material conveying bent pipe 702 is fixedly connected and communicated with the stirring reaction box 3; the first material collecting box 703 is fixed at the lower end of the pipe surface of the jacking and feeding pipe 701; the top end of the jacking and feeding pipe 701 is connected with the first pressing plate 105 in a jacking and matching manner; the jacking feeding pipe 701 is in sealing sliding fit with the inner pipe surface of the conveying pipe 103. The first material receiving box 703 with an open top can receive material to prevent the raw slurry from flowing out through a plurality of material feeding grooves which press the material feeding pipe 701.

The raw material melting tank 1 and the feeding pipe fitting 7 are matched for use, the injection molding raw material in the melting tank body 101 can be melted into liquid slurry under the heating of the annular electric heater 102, when the top pressure feeding pipe 701 moves upwards under the driving of the stirring reaction box 3 until the top pressure feeding pipe is in sealing sliding fit with the feeding pipe 103, the jacking pipe 701 generates upward pressure on the first pressing plate 105 and drives the first pressing plate 105 to move upward, the first pressing plate 105 moves upward to compress the first pressure spring 107 and simultaneously drive the first sliding shaft 104 to slide upward, a plurality of first filtering holes are uniformly arranged on the pipe surface of the material conveying pipe 103 in the melting box body 101 in a surrounding manner, when a plurality of feed chutes of the top pressure feed pipe 701 coincide with a plurality of first filtering holes, the melted raw material can fall into the top pressure feed pipe 701 and enter the delivery elbow 702 and the stirring reaction box 3 through the top pressure feed pipe 701; when the first pressing disc 105 moves downwards, the first pressing disc 105 can be restored to the raw material under the action of the elastic force of the first pressure spring 107, and feeding is stopped; evenly encircle a plurality of first filtration pores that set up on the inside pipe surface of melting case body 101 and can also play filterable effect, prevent that the raw materials melting is incomplete, be convenient for improve the quality of follow-up processing product.

The third concrete implementation mode:

as shown in fig. 1 to 12, the agitation reaction tank 3 includes a reaction tank body 301 and a slide holder 302; the top surface of the reaction box body 301 is open, and the discharging pipe fitting 8 is fixedly connected in a sealing manner in a discharging port in the middle of the bottom surface of the reaction box body 301; the reaction box body 301 is fixed on the sliding bracket 302; the sliding brackets 302 are in sliding fit with the middle parts of the four vertical frames 2; an annular electric heating plate is fixedly connected to the bottom surface of the reaction box body 301; the delivery elbow 702 is fixedly connected and communicated with the reaction box body 301. The sliding bracket 302 can slide on the vertical frame 2 under the driving of the lifting linkage mechanism 6, so as to drive the reaction box body 301 to move up and down, and the reaction box body 301 drives the feeding pipe fitting 7 and the discharging pipe fitting 8 to move up and down.

The fourth concrete implementation mode:

as shown in fig. 1 to 12, the stirring mechanism 4 includes a driven pulley 401, a rotating shaft 402, a bearing bracket 403, a rotating bracket 404, a stirring shaft 405, and a stirring plate 406; the driving mechanism 5 is connected with the driven pulley 401 through a synchronous belt; the driven pulley 401 and the rotating frame 404 are respectively fixed at the upper end and the lower end of the rotating shaft 402, and the middle part of the rotating shaft 402 is rotatably matched on the bearing frame 403; the bearing bracket 403 is fixed on the melting box body 101; the outer side of the rotating frame 404 is uniformly matched with the top ends of the four stirring shafts 405 in a surrounding manner, the lower ends of the four stirring shafts 405 are respectively and fixedly connected with a plurality of stirring plates 406, and the plurality of stirring plates 406 are matched with the inner side of the melting box body 101 in a rotating manner. Inside driven pulley 401 of rabbling mechanism 4 can rotate under actuating mechanism 5's drive action, can drive swivel mount 404 through rotation axis 402 when driven pulley 401 rotates and carry out rotary motion, and swivel mount 404 drives stirring board 406 through (mixing) shaft 405 and encircles stirring work, realizes the homogeneous mixing to entering into the multiple raw materials thick liquids in the reaction tank body 301.

The stirring mechanism 4 further comprises an outer gear ring 407, a stand 408 and a linkage gear 409; the outer gear ring 407 is fixed on the discharging pipe fitting 8 through an upright column 408; the outer side of the outer gear ring 407 is engaged and connected with four linkage gears 409, and the four linkage gears 409 are fixedly connected with the upper ends of the four rotating shafts 402. Outer ring gear 407, stand 408 and linkage gear 409's structure sets up, be convenient for improve and mix the stirring effect, can drive linkage gear 409 and outer ring gear 407's different positions contact during (mixing) shaft 405 surrounding movement, thereby drive linkage gear 409 and rotate around self axis, can drive stirring board 406 through (mixing) shaft 405 when linkage gear 409 rotates and carry out rotary motion, thereby improve its mixed effect to multiple raw materials thick liquids.

The fifth concrete implementation mode:

as shown in fig. 1 to 12, the driving mechanism 5 includes a servomotor 501 with a reducer, a worm 502, and a driving pulley 503; the servo motor 501 is fixed on the sliding bracket 302; an output shaft of the servo motor 501 is in transmission connection with a worm 502 through a coupler; the worm 502 is in meshing transmission connection with the lifting linkage mechanism 6; a driving pulley 503 is fixedly connected to the worm 502; the driving pulley 503 is connected to the driven pulley 401 through a synchronous belt drive. Can drive worm 502 and driving pulley 503 after servo motor 501 starts and rotate, can drive when worm 502 rotates 6 work of lifting linkage, can drive through the hold-in range when driving pulley 503 rotates driven pulley 401 rotates, only realizes by a motor rabbling mechanism 4 is mixed to the stirring of raw materials melting case 1 with the cooperation feeding of feeding pipe fitting 7 ejection of compact pipe fitting 8 with the cooperation ejection of compact work of mechanism 9 of moulding plastics, the cost is lower, and efficiency is higher.

The sixth specific implementation mode:

as shown in fig. 1 to 12, the lifting linkage 6 includes a worm gear 601, a first rotating shaft 602, a first shaft bracket 603, a driving sprocket 604, a chain 605, a driven sprocket 606, a second rotating shaft 607, a second shaft bracket 608, and a rotating gear 609; the worm 502 is in meshing transmission connection with a worm wheel 601; the worm wheel 601 and the driving sprocket 604 are respectively fixed at two ends of the first rotating shaft 602, the middle part of the first rotating shaft 602 is rotatably matched on the first shaft bracket 603, the first shaft bracket 603 is fixed on the sliding bracket 302, and the driving sprocket 604 is in transmission connection with the driven sprocket 606 through a chain 605; the driven sprocket 606 and the rotating gear 609 are respectively fixed at two ends of the second rotating shaft 607, the middle part of the second rotating shaft 607 is rotatably matched on a second shaft frame 608, and the second shaft frame 608 is fixed on the sliding bracket 302; the rotary gear 609 is in meshed transmission connection with a plurality of rack teeth which are sequentially arranged on the outer side surface of the vertical frame 2 from top to bottom. The worm wheel 601 can rotate under the transmission of the worm 502, the worm wheel 601 can drive the driving sprocket 604 to rotate through the first rotating shaft 602 when rotating, the driving sprocket 604 drives the driven sprocket 606 to rotate through the chain 605, the driven sprocket 606 drives the rotating gear 609 to rotate through the second rotating shaft 607 when rotating, the rotating gear 609 rotates and is in meshing transmission fit with a plurality of rack teeth which are sequentially arranged on the outer side surface of the stand 2 from top to bottom, so that the lifting linkage mechanism 6 is driven to move up and down integrally, the lifting linkage mechanism 6 drives the stirring reaction box 3 to move up and down, and the stirring reaction box 3 drives the raw material melting box 1 and the feeding pipe fitting 7 or the discharging pipe fitting 8 and the injection molding mechanism 9 to feed materials in a matching manner.

The seventh embodiment:

as shown in fig. 1 to 12, discharge pipe 8 includes a discharge pipe body 801, a second sliding shaft 802, a second pressure plate 803, a second stop block 804, and a second pressure spring 805; the middle part of the discharge pipe body 801 is fixedly connected in a discharge port in the middle of the bottom surface of the reaction box body 301 in a sealing manner; the top surface of the discharge pipe body 801 is closed, and the bottom surface is open; the middle part of the second sliding shaft 802 is in sliding fit with the top surface of the discharge pipe body 801, and the upper end and the lower end of the second sliding shaft 802 are fixedly connected with a second limiting block 804 and a second pressure plate 803 respectively; the second pressure plate 803 is in sealing sliding fit with the inner side surface of the discharge pipe body 801; the top surface of the discharge pipe body 801 is fixedly connected with the second pressure plate 803 through a second pressure spring 805 sleeved on the second sliding shaft 802; the height of the top surface of the second platen 803 is lower than the height of the bottom surface of the reaction box body 301; a plurality of second filtering holes are uniformly arranged on the pipe surface of the discharge pipe body 801 positioned in the reaction box body 301 in a surrounding manner; the outer ring gear 407 is fixed to the top surface of the tapping pipe body 801 by means of a column 408.

The injection molding mechanism 9 comprises a driving motor 901, a driving shaft 902, a material conveying spiral body 903, an injection molding pipe 904, a pipe seat 905, an injection pipe 906 with a one-way valve, a blanking pipe 907 and a second material receiving box 908 with an opening on the top surface; the driving motor 901 is fixed on the frame 10, and an output shaft of the driving motor 901 is in transmission connection with one end of a driving shaft 902 through a coupling; the middle part of the driving shaft 902 is rotatably matched on a pipe cover at one end of the injection molding pipe 904, and the other end of the injection molding pipe 904 is fixedly connected and communicated with the injection pipe 906; the other end of the driving shaft 902 is fixedly connected with a material conveying screw 903, and the material conveying screw 903 is rotatably matched in the injection molding pipe 904; the injection molding pipe 904 is fixed on the frame 10 through a pipe seat 905; the lower end of the blanking pipe 907 is fixedly connected and communicated with a blanking port at the top of the injection molding pipe 904; the lower end of the pipe surface of the blanking pipe 907 is fixedly connected with a second material receiving box 908; the upper end of the blanking pipe 907 is arranged opposite to the second platen 803, and a plurality of material through holes are uniformly arranged on the pipe surface of the blanking pipe 907 in a surrounding manner; the blanking pipe 907 is in sealing sliding fit with the inner wall of the discharge pipe body 801. When the discharging pipe body 801 moves downwards to be in contact with the blanking pipe 907 and continues to move downwards, the blanking pipe 907 can push the second pressure plate 803 to move upwards, the second pressure plate 803 compresses the second pressure spring 805 and drives the second sliding shaft 802 to slide upwards, when a plurality of material passing holes of the blanking pipe 907 are overlapped with a plurality of second filtering holes of the discharging pipe body 801, mixed raw material slurry in the reaction box body 301 can fall into the blanking pipe 907 and enter the injection molding pipe 904, the driving motor 901 can drive the material conveying screw 903 to rotate through the driving shaft 902 after being started, and when the material conveying screw 903 rotates, the raw material can be conveyed to an injection mold through the injection molding pipe 906 through matching with the discharging pipe body 801 to perform injection molding processing on a product.

The principle is as follows: the PVC product injection molding processing device can process injection molding raw materials, when in use, a plurality of different injection molding raw materials or auxiliary materials are respectively put into different raw material melting boxes 1, and are heated and melted in the raw material melting boxes 1, after the driving mechanism 5 is started, the driving mechanism can drive the lifting linkage mechanism 6 and the stirring mechanism 4 to work, and after the driving mechanism 5 is started, the driving mechanism can drive the lifting linkage mechanism 6 to be matched with one vertical frame 2 so as to drive the stirring reaction box 3 to slide on the other three vertical frames 2 in the vertical direction; the driving mechanism 5 and the lifting linkage mechanism 6 are matched to drive the stirring reaction box 3 to move upwards, the upper ends of four feeding pipe fittings 7 can be driven to contact with four raw material melting boxes 1, the four raw material melting boxes 1 are pressed and driven by the four feeding pipe fittings 7, so that molten raw material slurry in the four raw material melting boxes 1 flows into the stirring reaction box 3, multiple raw material slurries are mixed and stirred by the stirring mechanism 4, then the driving mechanism 5 and the lifting linkage mechanism 6 are matched to drive the stirring reaction box 3 to move downwards, the four feeding pipe fittings 7 and the four raw material melting boxes 1 are gradually separated and stop feeding, the stirring mechanism 4 in the stirring reaction box 3 mixes and stirs the multiple raw material slurries and moves downwards until a discharging pipe fitting 8 is contacted with the injection molding mechanism 9, the injection molding mechanism 9 presses and drives the discharging pipe fitting 8, so that the multiple raw material slurries enter the injection molding mechanism 9 through the discharging pipe fitting 8 after being mixed, when the injection molding mechanism 9 and the discharge pipe fitting 8 are gradually separated, the raw material slurry gradually stops entering the injection molding mechanism 9 through the discharge pipe fitting 8, the upper ends of the four feeding pipe fittings 7 and the four feeding pipe fittings 7 are driven to be in contact with the raw material melting box 1 when the driving mechanism 5 and the lifting linkage mechanism 6 are matched to drive the stirring reaction box 3 to move upwards again, and the four feeding pipe fittings 7 are used for jacking transmission, so that the raw material melting box 1 is used for making four raw material slurry melted in the raw material melting box 1 flows into the stirring reaction box 3, intermittent feeding and discharging work is convenient to realize, and the mixing and stirring of the multiple raw material slurry inside the stirring reaction box 3 by the stirring mechanism 4 are more uniform.

The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.

It is further noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Claims

1. The utility model provides a PVC product injection moulding device, includes raw materials melting case (1), grudging post (2), stirring reaction box (3), rabbling mechanism (4), actuating mechanism (5), lift link gear (6), feeding pipe fitting (7), ejection of compact pipe fitting (8), injection moulding mechanism (9) and frame (10), its characterized in that: the number of the raw material melting boxes (1) is four, the four raw material melting boxes (1) are fixed at the top ends of four vertical frames (2), and the bottom ends of the four vertical frames (2) are fixed at the four sides of the rack (10); the lower ends of the four raw material melting boxes (1) are provided with four feeding pipe fittings (7) in a matching way; the four feeding pipe fittings (7) are uniformly fixed on four sides of the stirring reaction box (3) in a surrounding manner and are communicated with the inside of the stirring reaction box (3); the stirring reaction box (3) is in sliding fit with the middle parts of the four vertical frames (2), and the middle of the inner side of the stirring reaction box (3) is connected with a stirring mechanism (4) in a rotating fit manner; the driving mechanism (5) is in transmission connection with the stirring mechanism (4), and the driving mechanism (5) is fixed at the side end of the stirring reaction box (3); the driving mechanism (5) is in transmission connection with the lifting linkage mechanism (6); the lifting linkage mechanism (6) is connected with one vertical frame (2) in a matching way, and the lifting linkage mechanism (6) is fixedly connected to the outer side of the stirring reaction box (3); the middle of the bottom end of the stirring reaction box (3) is fixedly connected with the middle of the discharging pipe fitting (8); the lower end of the discharging pipe fitting (8) is connected with an injection molding mechanism (9) in a matched mode, and the injection molding mechanism (9) is connected to the rack (10) in a matched mode.

2. The PVC product injection molding device according to claim 1, wherein: the raw material melting box (1) comprises a melting box body (101), an annular electric heater (102), a material conveying pipe (103), a first sliding shaft (104), a first pressing plate (105), a first limiting block (106) and a first pressure spring (107); a feeding port is formed in the top surface of the melting box body (101), and the melting box body (101) is fixed to the top end of the vertical frame (2); the annular electric heater (102) is fixed on the outer wall of the melting box body (101); the middle part of the material conveying pipe (103) is fixedly connected in a material conveying through hole on the bottom surface of the melting box body (101) in a sealing way; the top surface of the material conveying pipe (103) is closed, and the bottom surface of the material conveying pipe (103) is opened; the middle part of the first sliding shaft (104) is in sealed sliding fit with the top surface of the conveying pipe (103), the top end of the first sliding shaft (104) is fixedly connected with a first limiting block (106), the lower end of the first sliding shaft (104) is fixedly connected with a first pressure plate (105) which is in sealed sliding fit with the conveying pipe (103), and the top surface of the first pressure plate (105) is positioned at the lower end of the bottom surface of the melting box body (101); the first pressure plate (105) is fixedly connected with the top surface of the material conveying pipe (103) through a first pressure spring (107) sleeved on a first sliding shaft (104); the conveying pipe (103) is positioned on the pipe surface inside the melting box body (101) and is uniformly provided with a plurality of first filtering holes in a surrounding mode.

3. The PVC product injection molding device of claim 2, wherein: the feeding pipe fitting (7) comprises a jacking feeding pipe (701), a material conveying bent pipe (702) and a first material receiving box (703) with an opening on the top surface; a plurality of feeding grooves are uniformly arranged on the surface of the jacking and feeding pipe (701) in a surrounding manner; the lower end of the jacking and feeding pipe (701) is fixedly connected and communicated with one end of the material conveying bent pipe (702), and the other end of the material conveying bent pipe (702) is fixedly connected and communicated with the stirring reaction box (3); the first material collecting box (703) is fixed at the lower end of the pipe surface of the jacking and feeding pipe (701); the top end of the jacking and feeding pipe (701) is connected with the first pressing plate (105) in a jacking and matching manner; the jacking feeding pipe (701) is in sealing sliding fit with the inner pipe surface of the conveying pipe (103).

4. The PVC product injection molding device of claim 3, wherein: the stirring reaction box (3) comprises a reaction box body (301) and a sliding bracket (302); the top surface of the reaction box body (301) is arranged in an open manner, and a discharge port in the middle of the bottom surface of the reaction box body (301) is fixedly connected with the discharge pipe fitting (8) in a sealing manner; the reaction box body (301) is fixed on the sliding bracket (302); the sliding brackets (302) are in sliding fit with the middle parts of the four vertical frames (2); the bottom surface of the reaction box body (301) is fixedly connected with an annular electric heating plate; the material conveying bent pipe (702) is fixedly connected and communicated with the reaction box body (301).

5. The PVC product injection molding device of claim 4, wherein: the stirring mechanism (4) comprises a driven pulley (401), a rotating shaft (402), a bearing frame (403), a rotating frame (404), a stirring shaft (405) and a stirring plate (406); the driving mechanism (5) is connected with the driven belt wheel (401) through a synchronous belt; the driven belt wheel (401) and the rotating frame (404) are respectively fixed at the upper end and the lower end of the rotating shaft (402), and the middle part of the rotating shaft (402) is in running fit with the bearing frame (403); the bearing bracket (403) is fixed on the melting box body (101); the outer side of the rotating frame (404) is uniformly matched with the top ends of the four stirring shafts (405) in a surrounding mode, the lower ends of the four stirring shafts (405) are respectively and fixedly connected with a plurality of stirring plates (406), and the stirring plates (406) are matched with the inner side of the melting box body (101) in a rotating mode.

6. The PVC product injection molding device of claim 5, wherein: the stirring mechanism (4) further comprises an outer gear ring (407), an upright post (408) and a linkage gear (409); the outer gear ring (407) is fixed on the discharging pipe fitting (8) through an upright post (408); the outer side of the outer gear ring (407) is in meshing transmission connection with four linkage gears (409), and the four linkage gears (409) are fixedly connected to the upper ends of the four rotating shafts (402).

7. The PVC product injection molding device of claim 6, which is characterized in that: the driving mechanism (5) comprises a servo motor (501) with a speed reducer, a worm (502) and a driving belt wheel (503); the servo motor (501) is fixed on the sliding bracket (302); an output shaft of the servo motor (501) is in transmission connection with a worm (502) through a coupling; the worm (502) is in meshed transmission connection with the lifting linkage mechanism (6); a driving belt wheel (503) is fixedly connected to the worm (502); the driving pulley (503) is connected with the driven pulley (401) through synchronous belt transmission.

8. The PVC product injection molding device of claim 7, wherein: the lifting linkage mechanism (6) comprises a worm gear (601), a first rotating shaft (602), a first shaft bracket (603), a driving chain wheel (604), a chain (605), a driven chain wheel (606), a second rotating shaft (607), a second shaft bracket (608) and a rotating gear (609); the worm (502) is in meshed transmission connection with a worm wheel (601); the worm wheel (601) and the driving sprocket (604) are respectively fixed at two ends of the first rotating shaft (602), the middle part of the first rotating shaft (602) is in running fit with the first shaft bracket (603), the first shaft bracket (603) is fixed on the sliding bracket (302), and the driving sprocket (604) is in transmission connection with the driven sprocket (606) through a chain (605); the driven chain wheel (606) and the rotating gear (609) are respectively fixed at two ends of the second rotating shaft (607), the middle part of the second rotating shaft (607) is in running fit with a second shaft frame (608), and the second shaft frame (608) is fixed on the sliding bracket (302); the rotating gear (609) is in meshed transmission connection with a plurality of rack teeth which are sequentially arranged on the outer side surface of the vertical frame (2) from top to bottom.

9. The PVC product injection molding device of claim 8, wherein: the discharge pipe fitting (8) comprises a discharge pipe body (801), a second sliding shaft (802), a second pressure plate (803), a second limiting block (804) and a second pressure spring (805); the middle part of the discharge pipe body (801) is fixedly connected in a discharge port in the middle of the bottom surface of the reaction box body (301) in a sealing manner; the top surface of the discharge pipe body (801) is closed, and the bottom surface is open; the middle part of the second sliding shaft (802) is in sliding fit with the top surface of the discharge pipe body (801), and the upper end and the lower end of the second sliding shaft (802) are fixedly connected with a second limiting block (804) and a second pressure plate (803) respectively; the second pressure plate (803) is in sealing sliding fit with the inner side surface of the discharge pipe body (801); the top surface of the discharge pipe body (801) is fixedly connected with the second pressure plate (803) through a second pressure spring (805) sleeved on the second sliding shaft (802); the height of the top surface of the second platen (803) is lower than that of the bottom surface of the reaction box body (301); the discharge pipe body (801) is positioned on the pipe surface inside the reaction box body (301) and is uniformly provided with a plurality of second filtering holes in a surrounding manner; the outer gear ring (407) is fixed to the top surface of the tapping pipe body (801) by means of a column (408).

10. An injection molding apparatus for PVC products according to claim 9, wherein: the injection molding mechanism (9) comprises a driving motor (901), a driving shaft (902), a conveying spiral body (903), an injection molding pipe (904), a pipe seat (905), an injection pipe (906) with a one-way valve, a blanking pipe (907) and a second material receiving box (908) with an opening on the top surface; the driving motor (901) is fixed on the frame (10), and an output shaft of the driving motor (901) is in transmission connection with one end of the driving shaft (902) through a coupling; the middle part of the driving shaft (902) is rotatably matched on a pipe cover at one end of the injection molding pipe (904), and the other end of the injection molding pipe (904) is fixedly connected and communicated with the injection pipe (906); the other end of the driving shaft (902) is fixedly connected with a material conveying spiral body (903), and the material conveying spiral body (903) is in running fit with the injection molding pipe (904); the injection molding pipe (904) is fixed on the frame (10) through a pipe seat (905); the lower end of the blanking pipe (907) is fixedly connected and communicated with a blanking port at the top of the injection molding pipe (904); the lower end of the tube surface of the blanking tube (907) is fixedly connected with a second material receiving box (908); the upper end of the blanking pipe (907) is opposite to the second pressure plate (803), and a plurality of material through holes are uniformly arranged on the pipe surface of the blanking pipe (907) in a surrounding manner; the blanking pipe (907) is in sealing sliding fit with the inner wall of the discharging pipe body (801).