CN211279617U

CN211279617U - Mould feeding device is used in plastic products production

Info

Publication number: CN211279617U
Application number: CN201922073853.9U
Authority: CN
Inventors: 林伟生; 李启明; 彭学善
Original assignee: Dali Plastic Products Shenzhen Co ltd
Current assignee: Dali Plastic Products Shenzhen Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-08-18
Anticipated expiration: 2029-11-25

Abstract

The utility model relates to a mould feeding device is used in plastic products production, it includes melting chamber and crowded material chamber, the bottom and the melting chamber in crowded material chamber are connected through the honeycomb duct, the honeycomb duct is provided with the feeding solenoid valve, crowded material chamber is provided with the discharging pipe, the discharging pipe is provided with ejection of compact solenoid valve, the inside in crowded material chamber is provided with crowded flitch, crowded material board is connected with the push rod, the push rod is kept away from crowded material chamber one end and is stretched out crowded material chamber and be connected with the limiting plate, the limiting plate has the locating plate to crowded material chamber one side butt dorsad, crowded material chamber is provided with the adjusting device who adjusts the interval in locating lever and crowded. The limiting plate and the locating lever are mutually abutted to limit the feeding quantity and the discharging quantity of the extruding cavity, the distance between the locating plate and the extruding cavity is adjusted through the adjusting device, the accuracy of the feeding quantity and the discharging quantity of the extruding cavity can be guaranteed, and the product quality is improved.

Description

Mould feeding device is used in plastic products production

Technical Field

The utility model belongs to the technical field of the technique of plastic products production and specifically relates to a mould feeding device is used in plastic products production.

Background

Compared with metal, stone and wood, the plastic product has the advantages of low cost, strong plasticity and the like, and is widely applied to national economy. In the production process of plastic products, proportioned plastic particle raw materials are usually melted, heated into a mold for cooling and forming, and demolded to obtain hollow products.

Existing, like chinese patent utility model patent application publication number CN208543689U discloses a mould feeding device is used in plastic products production, including the melting room, first crushing roller is installed to the indoor upper end left part of melting, and the indoor upper end right part of melting is installed the second and is smashed the roller, and the indoor lower extreme mid-mounting of melting has stirring rotor, installs the heating resistor silk on the indoor lower extreme inner wall of melting, and the welding of melting room upper end middle part has the loading hopper, and there is the fill lid in the loading hopper upper end through hinge movable mounting. The utility model discloses an improved the work efficiency of adding the liquation in to the mould, guaranteed plastic products's quality, moreover to the in-process that the plastics wastes material melts and shifts, avoided the scald of high temperature liquation.

The above prior art solutions have the following drawbacks: the raw materials are conveyed into the conveying chamber after being melted, the push rod is used for generating air pressure to convey the melting inside the conveying chamber to the material storage pipe, when the die is injected, the control is not accurate enough by a hand only at each time, the situation that the injection amount is too large or too small is easy to happen, and the product quality is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a mould feeding device is used in plastic products production can improve product quality to the accurate material of annotating of mould.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a mould feeding device is used in plastic products production, is including melting chamber and crowded material chamber, the bottom and the melting chamber in crowded material chamber are connected through the honeycomb duct, the honeycomb duct is provided with the feeding solenoid valve, crowded material chamber is provided with the discharging pipe, the discharging pipe is provided with ejection of compact solenoid valve, the inside in crowded material chamber is provided with crowded flitch, crowded material board is connected with the push rod, the push rod is kept away from crowded material chamber one end and is stretched out crowded material chamber and be connected with the limiting plate, the limiting plate is crowded material chamber one side butt dorsad and has the locating lever, crowded material chamber is provided with the adjusting device who adjusts the interval of locating lever and crowded material chamber.

By adopting the technical scheme, after plastic particle raw materials are heated into a molten state through the melt chamber, the push rod is utilized to drive the extruding plate to move towards the positioning rod, the air pressure in the space on one side of the extruding plate in the extruding cavity is increased, the melt in the melt chamber enters the extruding cavity through the guide pipe, the feeding electromagnetic valve is closed, the discharging electromagnetic valve is opened, and the limiting plate moves reversely to extrude the melt from the discharging pipe; through the interval of adjusting device alignment lever and crowded material chamber, the shift position of limiting plate and the mutual butt of locating lever to crowded flitch is injectd, can adjust the feeding volume in crowded material chamber according to actual conditions, makes the discharging pipe can accurate output at every turn, avoids crowded material chamber to take place the too much or too little phenomenon of ejection of compact, improves the quality of production product.

The utility model discloses further set up to: the adjusting device comprises two screw rods arranged in the extrusion cavity and two thread sleeves respectively sleeved on the two screw rods, wherein a left connecting sleeve and a right connecting sleeve are arranged at two ends of the positioning rod, and are sleeved on the side walls of the screw rods and respectively abutted against two ends of the thread sleeves.

By adopting the technical scheme, the threaded sleeve can move left and right on the screw rod by utilizing the forward or reverse rotation of the hand. The thread bush drives the left connecting sleeve and the right connecting sleeve to move together when moving, so that the positioning rod is driven to move left and right, the distance between the positioning rod and the extruding cavity is conveniently adjusted, and the feeding amount and the discharging amount of the extruding cavity are adjusted.

The utility model discloses further set up to: the lateral wall of screw thread cover is provided with the sprocket, two the sprocket passes through chain interconnect.

By adopting the technical scheme, when one of the thread sleeves is rotated by hand, the two thread sleeves can be synchronously rotated by the chain wheel and the chain, and when the position of the positioning rod is adjusted, the moving distances of the two ends of the positioning rod can be ensured to be equal, so that the feeding amount and the discharging amount of the extruding cavity are prevented from generating errors due to the different moving distances of the two ends of the positioning rod; meanwhile, the time for adjusting the two thread sleeves can be saved, and the working efficiency is improved.

The utility model discloses further set up to: the outer side wall of the threaded sleeve is provided with a plurality of arc-shaped blocks in a surrounding mode.

Through adopting above-mentioned technical scheme, utilize hand effect on the arc piece. The threaded sleeve can be easily driven to rotate, and the position of the positioning rod can be conveniently adjusted by a worker.

The utility model discloses further set up to: the extrusion chamber is provided with the cylinder, the hydraulic stem and the limiting plate of cylinder are connected, the locating lever is provided with and is close to the conflict switch of contradicting with the limiting plate, the locating lever is provided with the controller, cylinder, conflict switch, feeding solenoid valve and ejection of compact solenoid valve all with controller electric connection.

By adopting the technical scheme, the air cylinder pushes the limiting plate to move close to the positioning rod, so that the limiting plate triggers the abutting switch, the controller can close the operation of the air cylinder, and the feeding electromagnetic valve is closed at the same time; the cylinder is started through the controller, the discharging electromagnetic valve is opened simultaneously, the cylinder pushes the limiting plate to move towards the extruding cavity, molten materials in the extruding cavity are extruded out from the discharging pipe, manual operation steps are reduced, labor cost is saved, and intelligent automatic production is achieved.

The utility model discloses further set up to: and a rubber pad is arranged on one surface of the positioning rod, which faces the limiting plate.

Through adopting above-mentioned technical scheme, the rubber pad can provide cushioning effect, avoids locating lever and limiting plate direct contact collision.

The utility model discloses further set up to: the melting chamber is provided with the feeder hopper, be close to blanking mouth position in the feeder hopper and be provided with through motor drive's screw.

Through adopting above-mentioned technical scheme, inside the plastic granules raw materials got into the melting material room through the feeder hopper, the raw materials took place to block up at the blanking mouth easily at feeder hopper feeding in-process, utilized motor drive screw to rotate, stirred near the raw materials of blanking mouth, made the raw materials can drop inside the melting material room, provide the convenience.

To sum up, the utility model discloses a beneficial technological effect does:

1. the push rod is utilized to drive the extruding plate to move towards the positioning rod, the air pressure in the space on one side of the extruding plate in the extruding cavity is increased, molten materials in the molten material chamber enter the extruding cavity through the guide pipe, the feeding electromagnetic valve is closed, the discharging electromagnetic valve is opened at the same time, the molten materials are extruded out of the discharging pipe through reverse movement of the limiting plate, the distance between the positioning rod and the extruding cavity is adjusted through the adjusting device, the limiting plate and the positioning rod are mutually abutted to limit the moving position of the extruding plate, the feeding amount of the extruding cavity can be adjusted according to actual conditions, the discharging pipe can accurately discharge amount at each time, and the quality of produced products is;

2. one of the thread sleeves is rotated forwards or reversely by the hand, the two thread sleeves can be synchronously rotated by the chain wheel and the chain, the moving distances of the two thread sleeves are ensured to be equal, the thread sleeves drive the left connecting sleeve and the right connecting sleeve to move together, so that the positioning rod is driven to move left and right, and the feeding amount and the discharging amount of the extruding cavity are adjusted;

3. the cylinder promotes the limiting plate and is close to the locating lever motion, makes the limiting plate trigger conflict switch, and the controller can close the function of cylinder, closes the feeding solenoid valve simultaneously, starts the cylinder through the controller, opens ejection of compact solenoid valve simultaneously, and the cylinder promotes the limiting plate and moves towards crowded material chamber, extrudes the melt of crowded material intracavity from the discharging pipe, reduces the manual operation step, practices thrift the cost of labor, realizes intelligent automatic production.

Drawings

FIG. 1 is a schematic sectional view of a mold feeding device for plastic product production;

FIG. 2 is a schematic sectional view of the extrusion chamber;

fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

In the figure, 1, a feed hopper; 11. a propeller; 2. a melt chamber; 21. an electric heating wire; 22. a flow guide pipe; 221. a feeding electromagnetic valve; 3. a material extruding cavity; 31. a discharge pipe; 311. a discharge electromagnetic valve; 4. extruding a material plate; 41. a push rod; 42. a limiting plate; 421. a cylinder; 5. an adjustment device; 51. a screw; 52. a threaded sleeve; 521. a sprocket; 522. a chain; 523. an arc-shaped block; 6. positioning a rod; 61. a rubber pad; 62. a controller; 63. a left connecting sleeve; 64. a right connecting sleeve; 65. against the switch.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a mould feeding device is used in plastic products production, including feeder hopper 1, melt room 2 and crowded material chamber 3, feeder hopper 1 is located one side of melt room 2, and the heating wire 21 that carries out the heating to the plastic materials is installed to the interior bottom of melt room 2, and the bottom of melt room 2 is passed through honeycomb duct 22 and is connected bottom the lateral wall of crowded material chamber 3.

The screw 11 is installed in the position that is close to the blanking mouth in feeder hopper 1, and screw 11 drives through motor (not marking in the figure), and screw 11 stirs the inside material of feeder hopper 1, can prevent that the inside material of feeder hopper 1 from taking place to block up at the blanking in-process.

The inside of the extrusion cavity 3 is provided with an extrusion plate 4, and four side walls of the extrusion plate 4 are mutually abutted against four side walls of the extrusion cavity 3. Two push rods 41 are vertically fixed on one side surface of the material extruding plate 4, and one ends of the two push rods 41 far away from the material extruding plate 4 penetrate through the side wall of the material extruding cavity 3 to be fixedly connected with limiting plates 42. The side of the extrusion chamber 3 is fixed with a cylinder 421, and a hydraulic rod of the cylinder 421 is fixedly connected with one surface of the limiting plate 42 facing the extrusion chamber 3. The cylinder 421 pushes the limiting plate 42 to move up and down, so as to drive the material extruding plate 4 to move up and down, and the space in the material extruding cavity 3, which is located on one side of the material extruding plate 4 back to the push rod 41, is filled with the melting material.

The feed electromagnetic valve 221 is installed at one end of the flow guide pipe 22 close to the extrusion chamber 3, the discharge pipe 31 is installed at the bottom of the side wall of the extrusion chamber 3 far away from the cylinder 421, and the discharge electromagnetic valve 311 is installed on the discharge pipe 31. The material extruding plate 4 moves towards one side of the push rod 41 to generate pressure intensity, so that the molten material in the molten material chamber 2 is filled into the material extruding cavity 3 from the guide pipe 22; the feed solenoid valve 221 is closed and the discharge solenoid valve 311 is opened, and the extrusion plate 4 moves in the reverse direction to extrude the melt from the discharge pipe 31.

Referring to fig. 2 and 3, the side wall of the extrusion chamber 3 is mounted with an adjusting device 5, and the adjusting device 5 includes two screws 51 and two thread bushings 52. The two screws 51 are vertically fixed on two sides of the side wall of the extrusion chamber 3 close to the cylinder 421, and the length of the screw 51 is greater than that of the extrusion chamber 3 along the direction of the push rod 41. A positioning rod 6 is connected between the two screw rods 51 in a sliding manner, a left connecting sleeve 63 and a right connecting sleeve 64 are fixed at two ends of the positioning rod 6, and the left connecting sleeve 63 and the right connecting sleeve 64 are sleeved on the side walls of the screw rods 51. The threaded sleeve 52 is sleeved on the screw 51 and positioned between the left connecting sleeve 63 and the right connecting sleeve 64, the threaded sleeve 52 is in threaded connection with the screw 51, and two ends of the threaded sleeve 52 are respectively abutted against the left connecting sleeve 63 and the right connecting sleeve 64. The position of the threaded sleeve 52 on the threaded rod 51, and thus the position of the positioning rod 6, can be adjusted by turning the threaded sleeve 52. The limiting plate 42 can only move to the position where the limiting plate is mutually abutted with the positioning rod 6, and the feeding amount of the extrusion cavity 3 can be adjusted, so that the discharging amount of the extrusion cavity is controlled.

A sprocket 521 is fixed to a side wall of the screw housing 52, and the sprockets 521 of the two screw housings 52 are connected to each other by a chain 522. When one of the thread sleeves 52 is rotated, the two chain wheels 521 synchronously rotate through the chain 522, the two thread sleeves 52 can synchronously rotate, and the two sides can be kept synchronously moving when the position of the positioning rod 6 is adjusted.

The lateral wall hoop of thread bush 52 is fixed with a plurality of arc pieces 523, and arc piece 523 is located one side of sprocket 521, and arc piece 523 conveniently drives thread bush 52 and rotates to adjust the position of locating lever 6. The positioning rod 6 is fixed with a rubber pad 61 towards one side of the limiting plate 42, and the rubber pad 61 provides a buffering effect to avoid direct collision between the positioning rod 6 and the limiting plate 42.

The conflict switch 65 that makes the cylinder 421 open and close work is installed towards the limiting plate 42 simultaneously to the locating lever 6, and the controller 62 is installed to the limiting plate 42 simultaneously dorsad to the locating lever 6, and conflict switch 65, feeding solenoid valve 221, ejection of compact solenoid valve 311 and cylinder 421 all with controller 62 electric connection. When the air cylinder 421 pushes the limiting plate 42 and the positioning rod 6 to approach each other, the limiting plate 42 triggers the abutting switch 65, and the controller 62 can control the air cylinder 421 to stop operating and the feeding solenoid valve 221 to close. And then the controller 62 is used for starting the discharging electromagnetic valve 311, and simultaneously the air cylinder 421 is started to drive the limiting plate 42 to move back to the positioning rod 6, so that the molten material is discharged from the discharging pipe 31, and the automatic intelligent production operation is realized.

The implementation principle of the embodiment is as follows: plastic particle raw material enters the melting chamber 2 from the feed hopper 1, and the heating wire 21 heats the raw material into a molten state. The cylinder 421 pushes the limiting plate 42 to drive the material extruding plate 4 to move towards the positioning rod 6, and pressure is generated inside the material extruding chamber 3, so that the molten material flows into the material extruding chamber 3 from the flow guiding pipe 22. The limiting plate 42 moves to be abutted against the abutting switch 65, the controller 62 stops the air cylinder 421 and closes the feeding electromagnetic valve 221; then, the controller 62 is used to start the air cylinder 421, and simultaneously, the discharging electromagnetic valve 311 is opened, the air cylinder 421 pushes the limiting plate 42 to drive the material extruding plate 4 to move back to the positioning rod 6, so as to extrude the molten material from the material discharging pipe 31. Rotate one of them thread bush 52, chain 522 and sprocket 521 mutually support and make two thread bushes 52 synchronous rotations, can drive the both ends removal of locating lever 6 simultaneously, adjust the position of locating lever 6 to adjust the displacement of limiting plate 42 and crowded material board 4, thereby adjust the feeding volume and the load of crowded material chamber 3, make crowded material chamber 3 can accurate output at every turn, improve product quality.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a mould feeding device is used in plastic products production which characterized in that: including melting chamber (2) and crowded material chamber (3), the bottom and melting chamber (2) in crowded material chamber (3) are connected through honeycomb duct (22), honeycomb duct (22) are provided with feeding solenoid valve (221), crowded material chamber (3) are provided with discharging pipe (31), discharging pipe (31) are provided with ejection of compact solenoid valve (311), the inside in crowded material chamber (3) is provided with crowded flitch (4), crowded flitch (4) are connected with push rod (41), crowded material chamber (3) one end is stretched out crowded material chamber (3) and is connected with limiting plate (42) in push rod (41), limiting plate (42) are crowded material chamber (3) one side butt dorsad and have locating lever (6), crowded material chamber (3) are provided with adjusting device (5) that adjust locating lever (6) and the interval in crowded material chamber (3).

2. The mold charging device for plastic product production as set forth in claim 1, wherein: adjusting device (5) include two screw rods (51) that set up in extrusion chamber (3) and two overlap thread bush (52) of locating on two screw rods (51) respectively, the both ends of locating lever (6) all are provided with left adapter sleeve (63) and right adapter sleeve (64), the lateral wall of screw rod (51) is all located in cover to left side adapter sleeve (63) and right adapter sleeve (64), and respectively with the both ends butt of thread bush (52).

3. The mold charging device for plastic product production as set forth in claim 2, wherein: the side wall of the threaded sleeve (52) is provided with chain wheels (521), and the two chain wheels (521) are connected with each other through a chain (522).

4. The mold charging device for plastic product production as recited in claim 3, wherein: the outer side wall of the threaded sleeve (52) is provided with a plurality of arc-shaped blocks (523) in a surrounding mode.

5. The mold charging device for plastic product production as set forth in claim 1, wherein: crowded material chamber (3) are provided with cylinder (421), the hydraulic stem of cylinder (421) is connected with limiting plate (42), locating lever (6) are provided with and are close to conflict switch (65) of contradicting with limiting plate (42), locating lever (6) are provided with controller (62), cylinder (421), conflict switch (65), feeding solenoid valve (221) and ejection of compact solenoid valve (311) all with controller (62) electric connection.

6. The mold charging device for plastic product production as set forth in claim 1, wherein: and a rubber pad (61) is arranged on one surface of the positioning rod (6) facing the limiting plate (42).

7. The mold charging device for plastic product production as set forth in claim 1, wherein: the melting chamber (2) is provided with a feed hopper (1), and a propeller (11) driven by a motor is arranged in the feed hopper (1) and close to a blanking port.