CN112476970A

CN112476970A - Quantitative feeding device for injection molding machine

Info

Publication number: CN112476970A
Application number: CN202011259525.9A
Authority: CN
Inventors: 吕林
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-03-12

Abstract

The invention relates to the technical field of feeding devices of injection molding machines, in particular to a quantitative feeding device for an injection molding machine, wherein a feeding screw fixedly connected by screws is arranged at the upper end of a working platform, and the feeding screw and a stirring device are arranged, so that the raw materials can not be blocked, the normal operation of the injection molding machine can be ensured, the phenomenon that no material exists in an inner cavity of the feeding screw due to blockage can be avoided, and meanwhile, the quality of the produced product is ensured; through the setting to overall structure, can make the raw materials carry out the pay-off when only feed screw promotes, be favorable to carrying out a certain amount when getting into feed screw to the raw materials like this and control, the motion state of device can keep unanimous with feed screw motion state simultaneously, and this structure transmission mode is ingenious, and further more the debugging before the suitable injection molding machine work.

Description

Quantitative feeding device for injection molding machine

Technical Field

The invention relates to the technical field of feeding devices of injection molding machines, in particular to a quantitative feeding device for an injection molding machine.

Background

An injection molding machine, also known as an injection molding machine or an injection machine, is a main molding device for manufacturing thermoplastic plastics or thermosetting plastics into plastic products with various shapes by utilizing a plastic molding die, and is divided into a vertical type, a horizontal type and an all-electric type, wherein the injection molding machine can heat the plastics and apply high pressure to the molten plastics to ensure that the molten plastics are injected to fill a die cavity of the die; after the injection is finished, the molten material injected into the mold cavity is kept in a fixed shape; composition of the injection system: the injection system consists of a plasticizing device and a power transmission device, wherein the plasticizing device of the screw injection molding machine mainly consists of a feeding device, a charging barrel, a screw, a glue passing assembly and a nozzle part, and the power transmission device comprises an injection oil cylinder, an injection seat moving oil cylinder and a screw driving device.

The pay-off mode of injection molding machine under the prior art is continuous, can not carry out a certain amount of raw materials and carry, consequently a large amount of raw materials cause the inside raw materials of feed screw to be excessive easily, and then can discharge surplus material when using the injection molding machine next time, further cause certain raw materials extravagant, simultaneously a large amount of raw materials cause the jam of conveying line easily, be unfavorable for the timely transport of raw materials, and then cause the phenomenon that the mouth of penetrating beats the empty rifle, further cause the unformed serious consequence of mould.

Disclosure of Invention

The invention aims to provide a quantitative feeding device for an injection molding machine, which aims to solve the problems that the injection molding machine cannot convey a certain amount of raw materials and is easy to cause blockage and the like.

In order to achieve the purpose, the invention provides the following technical scheme: a quantitative feeding device for an injection molding machine is characterized in that a feeding screw fixedly connected by screws is arranged at the upper end of a working platform, a feeding port device is arranged on the feeding screw in a penetrating manner, a feeding pipe fixedly connected by screws is arranged on the upper side of the middle end of the feeding port device, a feeding horn mouth connected by welding is arranged at the upper end of the feeding pipe, a feeding rod is arranged on the middle side of the inner end of the feeding pipe, a fixed rod connected by a rotating shaft is arranged at the upper end of the feeding rod, a stirring device connected by welding is arranged at the upper end of the feeding rod, a progressive material increasing plate is uniformly arranged at the lower end of the feeding rod, a sliding groove is formed in the upper side of the lower end of the feeding pipe in a penetrating manner, a connecting ring connected by a rotating shaft is arranged at one end of the feeding screw, a receiving plate connected by welding is arranged on the upper side of one end of the connecting ring, and the inside linkage post of placing with pay-off pole integrated into one piece of standing groove, linkage post lower extreme sets up screw fixed connection's from rolling up the device, and from the inside elasticity rope that is provided with of rolling up the device, pay-off pole lower extreme one side sets up welded connection's locating piece, and runs through on one side of the locating piece and set up the spacing groove, the elasticity rope runs through and sets up the spacing groove, the inside effect groove that sets up of catch bar one end, and catch bar upper end middle part run through the effect groove and set up the spread groove partially, the stifled mouthful rubber buffer has been placed to spread groove inside, the effect inslot portion is placed and is locked the mechanism with catch bar welded connection's U-shaped, and U-shaped lock position mechanism one end runs through and sets up locking screw.

Preferably, the upper end of the feeding rod is higher than the lower end of the feeding bell mouth, the distance of the height of the feeding rod is one fourth of the height of the feeding rod, the stirring device fixedly connected with the feeding rod is arranged in the feeding bell mouth, and the stirring device is arranged to be attached to the side of the feeding bell mouth.

Preferably, the quantity that the dead lever set up is three, and the angular separation between the dead lever sets up one hundred twenty degrees, and the dead lever is located the below of stirring the material device, and the dead lever setting is connected with inlet pipe welded connection.

Preferably, the progressive material increasing plate is provided with an arc-shaped plate, one side of the arc-shaped plate is provided with a groove, the opening of the groove accounts for one third of the perimeter of the progressive material increasing plate, and the progressive angle torque between the grooves of the progressive material increasing plate is thirty degrees.

Preferably, the setting of end-plugging rubber stopper is overlapped on the elasticity rope, and the elasticity rope runs through the spread groove and sets up in the effect inslot, and the length that the elasticity rope is located the effect inslot is two-thirds of effect groove diameter.

Preferably, the upper side of one end of the U-shaped locking mechanism is provided with screw teeth corresponding to the locking screw, the area of the clamping plate arranged at one end of the locking screw is two thirds of the area of the U-shaped locking mechanism, and one end of the clamping plate contacting with the elastic rope is provided with a metal bur.

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

1. the feeding rod and the stirring device are arranged, so that the raw materials cannot be blocked, the normal operation of the injection molding machine is favorably ensured, the phenomenon that the inner cavity of the feeding screw is free of materials due to blockage is further avoided, and meanwhile, the quality of the produced products is guaranteed;

2. through the setting to overall structure, can make the raw materials carry out the pay-off when only feed screw promotes, be favorable to carrying out a certain amount when getting into feed screw to the raw materials like this and control, the motion state of device can keep unanimous with feed screw motion state simultaneously, and this structure transmission mode is ingenious, and further more the debugging before the suitable injection molding machine work.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a perspective view of the upper structure of the working platform of the present invention;

FIG. 3 is a schematic semi-sectional perspective view of a feed bar of the present invention;

FIG. 4 is a perspective view of the inner structure of the feed rod of the present invention;

FIG. 5 is a schematic semi-sectional perspective view of a feed bar of the present invention;

FIG. 6 is a schematic perspective view of a push rod of the present invention in half section.

In the figure: work platform 1, feed screw 2, feed inlet device 3, inlet pipe 4, feeding horn mouth 5, accept board 6, pay-off pole 7, dead lever 8, stirring device 9, increase flitch 10 in steps, sliding tray 11, connect ring 12, catch bar 13, standing groove 14, linkage post 15, from rolling up device 16, elastic rope 17, locating piece 18, spacing groove 19, effect groove 20, spread groove 21, stifled mouthful rubber buffer 22, U-shaped locking mechanism 23, locking screw 24, screens board 25.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.

Referring to fig. 1 to 6, the present invention provides a technical solution: the upper end of the working platform 1 is provided with a feeding screw rod 2 fixedly connected by screws, the feeding screw rod 2 is provided with a feeding port device 3 in a penetrating way, the upper side of the middle end of the feeding port device 3 is provided with a feeding pipe 4 fixedly connected by screws, the upper end of the feeding pipe 4 is provided with a feeding horn mouth 5 connected by welding, the middle side of the inner end of the feeding pipe 4 is provided with a feeding rod 7, the upper end of the feeding rod 7 is higher than the lower end of the feeding horn mouth 5, the height of the feeding rod 7 is one fourth of the height of the feeding rod 7, a stirring device 9 fixedly connected with the feeding rod 7 is arranged in the feeding horn mouth 5, the stirring device 9 is arranged to be attached to the side of the feeding horn mouth, the upper end of the feeding rod 7 is provided with a fixed rod 8 connected with a rotating shaft, the number of the fixed rods 8 is three, the angular interval between the fixed rods 8 is one hundred twenty degrees, the upper end of a feeding rod 7 is provided with a stirring device 9 which is welded and connected, the lower end of the feeding rod 7 is uniformly provided with progressive material increasing plates 10, the progressive material increasing plates 10 are provided with an arc-shaped plate, one side of the arc-shaped plate is provided with a groove, the opening of the groove is one third of the circumference of the progressive material increasing plates 10, the progressive angle torque between the grooves of the progressive material increasing plates 10 is thirty degrees, the lower end of a feeding pipe 4 is provided with a sliding groove 11 through the upper side, one end of the feeding screw 2 is provided with a connecting ring 12 connected with a rotating shaft, the upper side of one end of the connecting ring 12 is provided with a bearing plate 6 which is welded and connected, the upper side of one end of the bearing plate 6 is provided with a pushing rod 13 which is fixedly connected with screws, the length of the pushing rod 13 completely accords with the length pushed by the feeding screw 2, the pushing rod 13 is arranged in the sliding groove 11 and completely inosculates with the sliding rod 11, a placing groove 14 is arranged, the lower end of the linkage column 15 is provided with a self-rolling device 16 fixedly connected with a screw, an elastic rope 17 is arranged in the self-rolling device 16, one side of the lower end of the feeding rod 7 is provided with a positioning block 18 connected with the feeding rod by welding, one side of the positioning block 18 is provided with a limiting groove 19 in a penetrating way, the elastic rope 17 is provided with a limiting groove 19 in a penetrating way, one end of the pushing rod 13 is provided with an acting groove 20 in an inner part, the middle part of the upper end of the pushing rod 13 is provided with a connecting groove 21 in a penetrating way, a plugging rubber plug 22 enters the connecting groove 21 and is fixedly connected with the connecting groove by glue, a plugging rubber plug 22 is arranged in the connecting groove 21 and is sleeved on the elastic rope 17, the elastic rope 17 is arranged in the acting groove 20 in a penetrating way, the length of the elastic rope 17 in the acting groove 20 is two thirds of the diameter of the acting groove 20, a U-shaped locking mechanism 23 connected with the pushing, the area of the clamping plate 25 arranged at one end of the locking screw 24 is two thirds of the area of the U-shaped locking mechanism 23, one end of the clamping plate 25 contacting with the elastic rope 17 is provided with a metal bur, the outer side of the U-shaped locking mechanism 23 is provided with a rubber pad connected with glue, one end of the U-shaped locking mechanism 23 is penetrated through the locking screw 24, and one end of the locking screw 24 is provided with the clamping plate 25 connected with a rotating shaft.

The working principle is as follows: the characteristics of the self-rolling device 16 can be firstly utilized to pull the elastic rope 17 out of the sliding groove 11, one end of the elastic rope 17 penetrates through the plugging rubber plug 22, the plugging rubber plug 22 is further pressed into the fixed connecting groove 21 by glue, the U-shaped locking mechanism 23 and the locking screw 24 are further utilized to adjust the position of the clamping plate 25, the elastic rope 17 is further fixed in the action groove 20, the push rod 13 penetrates through the sliding groove 11, the elastic rope 17 is retracted into the self-rolling device 16, and one end of the push rod 13 is connected with the connecting ring 12; further, the working performance of the feeding screw 2 on the working platform 1 is tested, the transmission device is started, the nozzle on the feeding screw 2 discharges materials, the feeding screw 2 is further adjusted, when the feeding screw 2 moves forwards to feed materials to the die after the working can be normally carried out, the feeding screw 2 drives the connecting ring 12 to push forwards, the further connecting ring 12 drives the pushing rod 13 to move through the bearing plate 6, the pushing rod 13 moving in the sliding groove 11 drives the elastic rope 17 to extend out, the elastic element in the self-rolling device 16 drives the linkage column 15 to rotate, so that the feeding rod 7 rotates along with the linkage column 15, the feeding rod 7 rotates in the feeding pipe 4 under the action of the fixing rod 8, and the rotation of the feeding rod 7 enables the stirring device 9 to rotate at the feeding horn mouth 5, meanwhile, the progressive material increasing plate 10 located inside the feeding pipe 4 continuously rotates, at the moment, raw materials continuously enter the feeding hole device 3 through the progressive material increasing plate 10, further raw materials enter the feeding screw rod 2 through the feeding hole device 3, and finally, after the feeding screw rod 2 stops moving, the raw materials cannot slide down in the feeding pipe 4 under the action of the progressive material increasing plate 10, so that when the feeding screw rod 2 moves, the raw materials enter through the progressive material increasing plate 10, and the raw materials at the last time are injected into the mold through the feeding screw rod 2.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a dosing device that injection molding machine was used, includes work platform (1), its characterized in that: the feeding device is characterized in that a feeding screw (2) fixedly connected by screws is arranged at the upper end of the working platform (1), a feeding port device (3) is arranged on the feeding screw (2) in a penetrating manner, a feeding pipe (4) fixedly connected by screws is arranged on the upper side of the middle end of the feeding port device (3), a feeding horn mouth (5) connected by welding is arranged at the upper end of the feeding pipe (4), a feeding rod (7) is arranged at the middle side of the inner end of the feeding pipe (4), a fixing rod (8) connected by a rotating shaft is arranged at the upper end of the feeding rod (7), a stirring device (9) connected by welding is arranged at the upper end of the feeding rod (7), progressive material increasing plates (10) are uniformly arranged at the lower end of the feeding rod (7), a sliding groove (11) is formed in a penetrating manner at the upper side of the lower end of the feeding screw (2), a connecting ring (12) connected by the rotating shaft is, the upper side of one end of the bearing plate (6) is provided with a push rod (13) fixedly connected with a screw, the push rod (13) is arranged in a sliding groove (11), a placing groove (14) is formed in the lower end of the feeding rod (7), a linkage column (15) integrally formed with the feeding rod (7) is placed in the placing groove (14), the lower end of the linkage column (15) is provided with a self-winding device (16) fixedly connected with the screw, an elastic rope (17) is arranged in the self-winding device (16), one side of the lower end of the feeding rod (7) is provided with a positioning block (18) in welded connection, one side of the positioning block (18) is provided with a limiting groove (19) in a penetrating manner, the elastic rope (17) is provided with a limiting groove (19) in a penetrating manner, an action groove (20) is formed in one end of the push rod (13), and a connecting groove (21) is formed in a middle part, the connecting groove (21) is inside to have placed stifled mouthful rubber buffer (22), act on inside U-shaped locking mechanism (23) of placing and catch bar (13) welded connection of groove (20), and U-shaped locking mechanism (23) one end runs through and sets up locking screw (24), locking screw (24) one end sets up screens board (25) that the pivot is connected.

2. A dosing device for an injection molding machine as claimed in claim 1, characterized in that: the feeding rod (7) upper end is higher than the feeding bell mouth (5) lower end, the feeding rod (7) is higher by a distance which is one fourth of the height of the feeding rod (7), a stirring device (9) fixedly connected with the feeding rod (7) is arranged in the feeding bell mouth (5), and the stirring device (9) is arranged to be attached to the side of the feeding bell mouth.

3. A dosing device for an injection molding machine as claimed in claim 1, characterized in that: the quantity that dead lever (8) set up is three, and the angle interval between dead lever (8) sets up one hundred twenty degrees, and dead lever (8) are located the below of stirring material device (9), dead lever (8) set up with inlet pipe (4) welded connection.

4. A dosing device for an injection molding machine as claimed in claim 1, characterized in that: the progressive material increasing plate (10) is provided with an arc-shaped plate with a groove on one side, the opening of the groove accounts for one third of the circumference of the progressive material increasing plate (10), and the progressive angle torque between the grooves of the progressive material increasing plate (10) is thirty degrees.

5. A dosing device for an injection molding machine as claimed in claim 1, characterized in that: the blocking rubber stopper (22) sets up the cover on elasticity rope (17), and elasticity rope (17) run through connecting groove (21) and set up in effect groove (20), and the length that elasticity rope (17) are located effect groove (20) is two-thirds of effect groove (20) diameter.

6. A dosing device for an injection molding machine as claimed in claim 1, characterized in that: the upper side of one end of the U-shaped locking mechanism (23) is provided with screw teeth corresponding to the locking screw (24), the area of a clamping plate (25) arranged at one end of the locking screw (24) is two thirds of the area of the U-shaped locking mechanism (23), and one end of the clamping plate (25) contacting with the elastic rope (17) is provided with a metal bur.