CN107877804B - A kind of heat preservation pumping device for molten injection molding liquid - Google Patents
A kind of heat preservation pumping device for molten injection molding liquid Download PDFInfo
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- CN107877804B CN107877804B CN201711104831.3A CN201711104831A CN107877804B CN 107877804 B CN107877804 B CN 107877804B CN 201711104831 A CN201711104831 A CN 201711104831A CN 107877804 B CN107877804 B CN 107877804B
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- 239000007788 liquid Substances 0.000 title claims abstract description 50
- 238000001746 injection moulding Methods 0.000 title claims abstract description 47
- 238000004321 preservation Methods 0.000 title claims abstract description 38
- 238000005086 pumping Methods 0.000 title claims abstract description 18
- 238000002347 injection Methods 0.000 claims abstract description 71
- 239000007924 injection Substances 0.000 claims abstract description 71
- 238000009413 insulation Methods 0.000 claims abstract description 34
- 238000010438 heat treatment Methods 0.000 claims abstract description 30
- 230000000903 blocking effect Effects 0.000 claims abstract description 11
- 238000005192 partition Methods 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 9
- 238000001125 extrusion Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 230000003670 easy-to-clean Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/74—Heating or cooling of the injection unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C2045/1784—Component parts, details or accessories not otherwise provided for; Auxiliary operations not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C2045/465—Means for plasticising or homogenising the moulding material or forcing it into the mould using pumps for injecting the material into the mould
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Reciprocating Pumps (AREA)
Abstract
本发明公开了一种熔融注塑液保温泵送装置，包括注塑保温筒、泵、保温输入内管和加热内筒，所述注塑保温筒底端通过螺钉连接下盖，所述注塑保温筒顶端固定连接上盖，所述保温输入内管竖直安装在注塑保温筒内，保温输入内管内部安装有导流管，导流管外部的保温输入内管内壁上固定有封堵环，导流管底侧设有导流孔，导流管底部连接固定座，固定座底部连接顶杆，顶杆底端设置在缓冲套内，缓冲套内的顶杆下方连接弹簧Ⅰ；所述缓冲套上侧的保温输入内管侧面设有出液孔，所述注塑保温筒内部安装有加热内筒；实现自动启闭，避免熔融注塑液倒流，加热效果好，方便将上注塑腔内熔融注塑液进一步挤出，便于清理，提高对熔融注塑液保温泵送的效果。
The invention discloses a heat preservation and pumping device for molten injection molding liquid, comprising an injection molding heat preservation cylinder, a pump, a heat preservation input inner pipe and a heating inner cylinder. Connect the upper cover, the thermal insulation input inner tube is vertically installed in the injection-molded thermal insulation cylinder, a diversion tube is installed inside the thermal insulation input inner tube, a blocking ring is fixed on the inner wall of the thermal insulation input inner tube outside the diversion tube, and the diversion tube The bottom side is provided with a diversion hole, the bottom of the diversion pipe is connected to the fixed seat, the bottom of the fixed seat is connected to the ejector rod, the bottom end of the ejector rod is arranged in the buffer sleeve, and the lower part of the ejector rod in the buffer sleeve is connected to the spring I; the upper side of the buffer sleeve There is a liquid outlet hole on the side of the thermal insulation input inner pipe, and a heating inner cylinder is installed inside the injection insulation cylinder; automatic opening and closing is realized to avoid the backflow of the molten injection molding liquid, and the heating effect is good, which is convenient to further squeeze the molten injection molding liquid in the upper injection cavity. It is easy to clean and improve the effect of heat preservation and pumping of molten injection molding liquid.
Description
技术领域technical field
本发明涉及注塑设备技术领域，具体是一种熔融注塑液保温泵送装置。The invention relates to the technical field of injection molding equipment, in particular to a heat preservation pumping device for molten injection molding liquid.
背景技术Background technique
注塑机又名注射成型机或注射机，它是将热塑性塑料或热固性料利用塑料成型模具制成各种形状的塑料制品的主要成型设备。随着现代化建设脚步的加快，注塑机已经广泛应用于建筑、包装、电器电子、农业、汽车、交通业、轻工业、石油化学工业、机械工业、国防工业等国民经济各个部门及人们生活的各个领域，显示出极为重要的作用。注塑机主要包括进料机构、料筒、螺杆和射嘴等部件；现有的注塑机多为料筒和螺杆实现熔融注塑液输送，其不能够较佳地对熔融的注塑液输送，不但无法控制注塑液输送量，而且在输送过程中会存在大量的热量散失，甚至是熔融的注塑液发生凝固，不能较好的加热保证其流动，而且容易出现熔融的注塑液倒流的情况发生。因此，需要一种熔融注塑液保温泵送装置满足熔融注塑液的输送需求。Injection molding machine, also known as injection molding machine or injection machine, is the main molding equipment for making thermoplastic or thermosetting materials into various shapes of plastic products using plastic molding molds. With the acceleration of modernization construction, injection molding machines have been widely used in construction, packaging, electrical appliances, agriculture, automobiles, transportation, light industry, petrochemical industry, machinery industry, national defense industry and other sectors of the national economy and in various fields of people's lives , showing a very important role. The injection molding machine mainly includes the feeding mechanism, the barrel, the screw, the nozzle and other components; the existing injection molding machines mostly use the barrel and the screw to transport the molten injection liquid, which cannot transport the molten injection liquid well, not only unable to transport the molten injection liquid. Control the amount of injection molding liquid delivered, and there will be a lot of heat loss during the transportation process, even if the molten injection molding liquid solidifies, it cannot be well heated to ensure its flow, and the molten injection molding liquid is prone to backflow. Therefore, a heat preservation and pumping device for molten injection molding liquid is required to meet the transportation requirements of molten injection molding liquid.
发明内容SUMMARY OF THE INVENTION
本发明的目的在于提供一种熔融注塑液保温泵送装置，以解决上述背景技术中提出的问题。The purpose of the present invention is to provide a heat preservation and pumping device for molten injection molding liquid, so as to solve the problems raised in the above-mentioned background technology.
为实现上述目的，本发明提供如下技术方案：To achieve the above object, the present invention provides the following technical solutions:
一种熔融注塑液保温泵送装置，包括注塑保温筒、泵、保温输入内管和加热内筒，所述注塑保温筒底端通过螺钉连接下盖，所述注塑保温筒顶端固定连接上盖，所述保温输入内管竖直安装在注塑保温筒内，保温输入内管内部安装有导流管，导流管外部的保温输入内管内壁上固定有封堵环，导流管底侧设有导流孔，导流管底部连接固定座，固定座底部连接顶杆，顶杆底端设置在缓冲套内，缓冲套内的顶杆下方连接弹簧Ⅰ；所述缓冲套上侧的保温输入内管侧面设有出液孔，所述注塑保温筒内部安装有加热内筒，所述加热内筒上部连接分隔板，分隔板将注塑保温筒内部分隔为上注塑腔和下注塑腔，所述分隔板上设有若干贯通孔，贯通孔连通上注塑腔和下注塑腔，所述上注塑腔内的保温输入内管上套设有活塞板，活塞板底部连接挤压块，活塞板顶部连接弹簧Ⅱ，弹簧Ⅱ顶端固定连接上盖。A heat preservation and pumping device for molten injection molding liquid, comprising an injection molding heat preservation cylinder, a pump, a heat preservation input inner pipe and a heating inner cylinder, the bottom end of the injection molding heat preservation cylinder is connected to a lower cover by screws, and the top end of the injection molding heat preservation cylinder is fixedly connected to the upper cover, The heat preservation input inner pipe is vertically installed in the injection molding heat preservation cylinder, a guide pipe is installed inside the heat preservation input inner pipe, a blocking ring is fixed on the inner wall of the heat preservation input inner pipe outside the guide pipe, and the bottom side of the guide pipe is provided with The diversion hole, the bottom of the diversion pipe is connected to the fixed seat, the bottom of the fixed seat is connected to the ejector rod, the bottom end of the ejector rod is arranged in the buffer sleeve, and the spring I is connected to the bottom of the ejector rod in the buffer sleeve; the thermal insulation input on the upper side of the buffer sleeve There is a liquid outlet hole on the side of the pipe, a heating inner cylinder is installed inside the injection molding insulation cylinder, the upper part of the heating inner cylinder is connected with a partition plate, and the partition plate divides the interior of the injection molding insulation cylinder into an upper injection cavity and a lower injection cavity. The partition plate is provided with a plurality of through holes, and the through holes are connected with the upper injection cavity and the lower injection cavity. The heat preservation input inner pipe in the upper injection cavity is sleeved with a piston plate, and the bottom of the piston plate is connected with the extrusion block, and the piston plate The top is connected to the spring II, and the top of the spring II is fixedly connected to the upper cover.
作为本发明进一步的方案：所述下盖底端中部连接注塑喷嘴，注塑喷嘴底端连接喷出接头，喷出接头连接喷出管。As a further solution of the present invention, the middle part of the bottom end of the lower cover is connected to an injection nozzle, the bottom end of the injection nozzle is connected to a spray joint, and the spray joint is connected to a spray pipe.
作为本发明进一步的方案：所述上盖顶部连接泵壳，泵壳内安装有泵。As a further solution of the present invention, the top of the upper cover is connected to a pump casing, and a pump is installed in the pump casing.
作为本发明进一步的方案：所述泵的输入端连通输入通道，输入通道外端的泵壳上安装有输入接头，输入接头连接输入管，所述泵的输出端连接保温输入内管，保温输入内管内部设为注塑通道。As a further solution of the present invention: the input end of the pump is connected to the input channel, the pump casing at the outer end of the input channel is provided with an input joint, the input joint is connected to the input pipe, the output end of the pump is connected to the thermal insulation input inner tube, and the thermal insulation input inner The inside of the tube is set as an injection channel.
作为本发明进一步的方案：所述固定座与封堵环相抵时，封堵环封堵住导流孔。As a further solution of the present invention: when the fixing seat is in contact with the blocking ring, the blocking ring blocks the diversion hole.
作为本发明进一步的方案：所述加热内筒内嵌入有螺旋加热管，加热内筒内壁上设有若干导热片。As a further solution of the present invention, a spiral heating tube is embedded in the heating inner cylinder, and a plurality of heat-conducting sheets are arranged on the inner wall of the heating inner cylinder.
作为本发明进一步的方案：所述出液孔与上注塑腔连通，注塑喷嘴与下注塑腔连通。As a further solution of the present invention, the liquid outlet hole communicates with the upper injection cavity, and the injection nozzle communicates with the lower injection cavity.
与现有技术相比，本发明的有益效果是：Compared with the prior art, the beneficial effects of the present invention are:
1、所述一种熔融注塑液保温泵送装置，结构简单，装配方便，通过泵方便将熔融注塑液从输入管抽入并泵入到注塑通道内，熔融注塑液压力顶压导流管、固定座和顶杆向下运动压缩弹簧Ⅰ，然后导流孔与封堵环错开，方便熔融注塑液从导流管内部流向外部的注塑通道内，方便自动启闭，避免熔融注塑液倒流。1. The heat preservation and pumping device for molten injection molding liquid has a simple structure and is easy to assemble. It is convenient to pump the molten injection molding liquid from the input pipe and pump it into the injection molding channel through the pump. The fixed seat and the ejector rod move downward to compress the spring I, and then the guide hole and the blocking ring are staggered, which facilitates the flow of the molten injection liquid from the inside of the guide pipe to the external injection channel, which is convenient for automatic opening and closing and avoids the backflow of the molten injection liquid.
2、螺旋加热管通电加热，加热内筒将热量均匀传导，方便对上注塑腔和下注塑腔内熔融注塑液加热保温，避免凝固，加热效果好。2. The spiral heating tube is energized and heated, and the heating inner cylinder conducts the heat evenly, which is convenient for heating and keeping the molten injection liquid in the upper injection cavity and the lower injection cavity, avoiding solidification, and the heating effect is good.
3、注塑结束后，在弹簧Ⅱ弹力作用下，活塞板和挤压块沿保温输入内管向下滑动，方便将上注塑腔内熔融注塑液进一步挤出；下注塑腔内熔融注塑液通过打开下盖排出，便于清理，提高对熔融注塑液保温泵送的效果。3. After the injection is completed, under the elastic force of the spring II, the piston plate and the extrusion block slide down along the thermal insulation input inner pipe, which is convenient to further extrude the molten injection liquid in the upper injection cavity; the molten injection liquid in the lower injection cavity is opened by opening The lower cover is discharged, which is convenient for cleaning and improves the effect of heat preservation and pumping of molten injection molding liquid.
附图说明Description of drawings
图1为本发明的结构示意图。FIG. 1 is a schematic structural diagram of the present invention.
图2为本发明中保温输入内管的结构示意图。FIG. 2 is a schematic structural diagram of the thermal insulation input inner pipe in the present invention.
图3为本发明中活塞板运动的结构示意图。FIG. 3 is a schematic structural diagram of the movement of the piston plate in the present invention.
图中：1-注塑喷嘴、2-喷出管、3-喷出接头、4-下盖、5-螺钉、6-下注塑腔、7-注塑保温筒、8-贯通孔、9-上注塑腔、10-出液孔、11-顶杆、12-导流孔、13-导流管、14-输入接头、15-输入管、16-输入通道、17-泵壳、18-泵、19-注塑通道、20-安装孔、21-上盖、22-弹簧Ⅱ、23-活塞板、24-挤压块、25-保温输入内管、26-弹簧Ⅰ、27-分隔板、28-加热内筒、29-螺旋加热管、30-导热片、31-封堵环、32-缓冲套、33-固定座。In the picture: 1- injection nozzle, 2- injection pipe, 3- injection joint, 4- lower cover, 5- screw, 6- lower injection cavity, 7- injection insulation cylinder, 8- through hole, 9- upper injection Cavity, 10- liquid outlet, 11- ejector rod, 12- guide hole, 13- guide pipe, 14- input joint, 15- input pipe, 16- input channel, 17- pump casing, 18- pump, 19 -Injection channel, 20-installation hole, 21-upper cover, 22-spring II, 23-piston plate, 24-extrusion block, 25-insulation input inner pipe, 26-spring I, 27-partition plate, 28- Heating inner cylinder, 29-spiral heating tube, 30-conducting sheet, 31-blocking ring, 32-buffer sleeve, 33-fixing seat.
具体实施方式Detailed ways
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
请参阅图1～3，本发明实施例中，一种熔融注塑液保温泵送装置，包括注塑保温筒7、泵18、保温输入内管25和加热内筒28，所述注塑保温筒7底端通过螺钉5连接下盖4，下盖4底端中部连接注塑喷嘴1，注塑喷嘴1底端连接喷出接头3，喷出接头3连接喷出管2；所述注塑保温筒7顶端固定连接上盖21，上盖21顶部连接泵壳17，泵壳17内安装有泵18，泵18的输入端连通输入通道16，输入通道16外端的泵壳17上安装有输入接头14，输入接头14连接输入管15，所述泵18的输出端连接保温输入内管25，保温输入内管25内部设为注塑通道19。Referring to FIGS. 1 to 3 , in the embodiment of the present invention, a heat preservation and pumping device for molten injection molding liquid includes an injection molding heat preservation cylinder 7 , a pump 18 , a heat preservation input inner pipe 25 and a heating inner cylinder 28 . The bottom end of the lower cover 4 is connected to the lower cover 4 through the screw 5, the middle of the bottom end of the lower cover 4 is connected to the injection nozzle 1, the bottom end of the injection nozzle 1 is connected to the spray joint 3, and the spray joint 3 is connected to the spray pipe 2; The upper cover 21, the top of the upper cover 21 is connected to the pump casing 17, the pump casing 17 is installed with the pump 18, the input end of the pump 18 is connected to the input channel 16, and the input joint 14 is installed on the pump casing 17 at the outer end of the input channel 16, and the input joint 14 The input pipe 15 is connected, the output end of the pump 18 is connected to the heat preservation input inner pipe 25 , and the interior of the heat preservation input inner pipe 25 is set as the injection channel 19 .
所述保温输入内管25竖直安装在注塑保温筒7内，保温输入内管25内部安装有导流管13，导流管13外部的保温输入内管25内壁上固定有封堵环31，导流管13底侧设有导流孔12，导流管13底部连接固定座33，固定座33底部连接顶杆11，顶杆11底端设置在缓冲套32内，缓冲套32内的顶杆11下方连接弹簧Ⅰ26；所述缓冲套32上侧的保温输入内管25侧面设有出液孔10；当固定座33与封堵环31相抵时，封堵环31封堵住导流孔12；当泵18将熔融注塑液从输入管15抽入并泵入到注塑通道19内，熔融注塑液压力顶压导流管13、固定座33和顶杆11向下运动压缩弹簧Ⅰ26，然后导流孔12与封堵环31错开，方便熔融注塑液从导流管13内部流向外部的注塑通道19内，方便自动启闭，避免熔融注塑液倒流。The heat preservation input inner pipe 25 is vertically installed in the injection molding heat preservation cylinder 7, the heat preservation input inner pipe 25 is installed with a guide pipe 13, and a sealing ring 31 is fixed on the inner wall of the heat preservation input inner pipe 25 outside the guide pipe 13. The bottom side of the guide pipe 13 is provided with a guide hole 12 , the bottom of the guide pipe 13 is connected to the fixed seat 33 , the bottom of the fixed seat 33 is connected to the ejector rod 11 , the bottom end of the ejector rod 11 is arranged in the buffer sleeve 32 , and the top of the buffer sleeve 32 The bottom of the rod 11 is connected to the spring I26; the side surface of the thermal insulation input inner pipe 25 on the upper side of the buffer sleeve 32 is provided with a liquid outlet hole 10; when the fixing seat 33 is in contact with the blocking ring 31, the blocking ring 31 blocks the guide hole 12; When the pump 18 draws the molten injection molding liquid from the input pipe 15 and pumps it into the injection molding channel 19, the molten injection molding liquid presses the guide pipe 13, the fixed seat 33 and the ejector rod 11 downward to move the compression spring I26, and then The diversion hole 12 and the blocking ring 31 are staggered, which facilitates the flow of the molten injection liquid from the inside of the diversion pipe 13 to the external injection channel 19, facilitates automatic opening and closing, and avoids the backflow of the molten injection liquid.
所述注塑保温筒7内部安装有加热内筒28，加热内筒28内嵌入有螺旋加热管29，加热内筒28内壁上设有若干导热片30；所述加热内筒28上部连接分隔板27，分隔板27将注塑保温筒7内部分隔为上注塑腔9和下注塑腔6，所述分隔板27上设有若干贯通孔8，贯通孔8连通上注塑腔9和下注塑腔6；所述出液孔10与上注塑腔9连通，注塑喷嘴1与下注塑腔6连通；螺旋加热管29通电加热，加热内筒28将热量均匀传导，方便对上注塑腔9和下注塑腔6内熔融注塑液加热保温，避免凝固，加热效果好。A heating inner cylinder 28 is installed inside the injection-molding insulation cylinder 7, a spiral heating tube 29 is embedded in the heating inner cylinder 28, and a plurality of heat conducting sheets 30 are arranged on the inner wall of the heating inner cylinder 28; the upper part of the heating inner cylinder 28 is connected to a partition plate 27. The partition plate 27 divides the interior of the injection molding heat preservation cylinder 7 into an upper injection cavity 9 and a lower injection cavity 6. The partition plate 27 is provided with a plurality of through holes 8, and the through holes 8 communicate with the upper injection cavity 9 and the lower injection cavity. 6; the liquid outlet hole 10 is communicated with the upper injection cavity 9, and the injection nozzle 1 is communicated with the lower injection cavity 6; the spiral heating tube 29 is heated by electricity, and the heating inner cylinder 28 conducts the heat evenly, which is convenient for the upper injection cavity 9 and the lower injection The molten injection liquid in cavity 6 is heated and kept warm to avoid solidification, and the heating effect is good.
所述上注塑腔9内的保温输入内管25上套设有活塞板23，活塞板23底部连接挤压块24，活塞板23顶部连接弹簧Ⅱ22，弹簧Ⅱ22顶端固定连接上盖21；当上注塑腔9内泵入熔融注塑液后，在熔融注塑液压力作用下，活塞板23和挤压块24沿保温输入内管25向上滑动并压缩弹簧Ⅱ22；当注塑结束后，泵18停止工作，在弹簧Ⅱ22弹力作用下，活塞板23和挤压块24沿保温输入内管25向下滑动，方便将上注塑腔9内熔融注塑液进一步挤出；下注塑腔6内熔融注塑液通过打开下盖4排出，便于清理，提高对熔融注塑液保温泵送的效果。The thermal insulation input inner pipe 25 in the upper injection cavity 9 is sleeved with a piston plate 23, the bottom of the piston plate 23 is connected to the extrusion block 24, the top of the piston plate 23 is connected to the spring II 22, and the top of the spring II 22 is fixedly connected to the upper cover 21; After the molten injection liquid is pumped into the injection cavity 9, under the action of the pressure of the molten injection liquid, the piston plate 23 and the extrusion block 24 slide up along the thermal insulation input inner pipe 25 and compress the spring II 22; when the injection is completed, the pump 18 stops working, Under the elastic force of the spring II 22, the piston plate 23 and the extrusion block 24 slide down along the thermal insulation input inner pipe 25, which facilitates the further extrusion of the molten injection liquid in the upper injection cavity 9; the molten injection liquid in the lower injection cavity 6 The cover 4 is discharged, which is convenient for cleaning and improves the effect of heat preservation and pumping of the molten injection molding liquid.
本发明并不局限于上述实施例，在本发明公开的技术方案的基础上，本领域的技术人员根据所公开的技术内容，不需要创造性的劳动就可以对其中的一些技术特征作出一些简单修改、等同变化与修饰，均属于本发明技术方案的范围内。The present invention is not limited to the above-mentioned embodiments. On the basis of the technical solutions disclosed in the present invention, those skilled in the art can make some simple modifications to some of the technical features according to the disclosed technical content without creative work. , equivalent changes and modifications, all belong to the scope of the technical solution of the present invention.
在本说明书的描述中，需要说明的是，除非另有明确的规定和限定，术语“设置”、“相连”及“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本发明中的具体含义。In the description of this specification, it should be noted that, unless otherwise expressly specified and limited, the terms "arranged", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.
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| CN110667057B (en) * | 2019-10-15 | 2020-07-10 | 佛山市亿舜注塑科技有限公司 | Push type feeding structure used in plastic mold production process |
| CN111016065B (en) * | 2019-12-19 | 2021-07-13 | 南通德杰新材料科技有限公司 | Plastic injection molding device and injection molding method |
| CN111976107B (en) * | 2020-08-28 | 2022-08-02 | 安徽越洋达新能源科技有限公司 | Injection molding device is used in power support production |
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| CN1968799A (en) * | 2004-06-10 | 2007-05-23 | 丰田自动车株式会社 | Hot runner device and injection molding device |
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Denomination of invention: A thermal insulation pumping device for molten injection molding fluid Granted publication date: 20190705 Pledgee: Zhejiang Hecheng Rural Commercial Bank Co.,Ltd. Pledgor: Jiaxing Qunfeng Electric Appliance Co.,Ltd. Registration number: Y2024980046997 |