CN113119399A

CN113119399A - Feeding device for injection molding shoe mold

Info

Publication number: CN113119399A
Application number: CN202110245842.3A
Authority: CN
Inventors: 金文彬
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-05
Filing date: 2021-03-05
Publication date: 2021-07-16

Abstract

The invention discloses a feeding device for an injection shoe mold, which comprises a device main body, a feeding hopper, an installation frame, an installation plate, a rotary rod, a loop bar, a gear set, a cylinder, a screw rod and a positioning plate, wherein the feeding hopper is arranged below the right side of the device main body, the feeding hopper is movably installed with the installation frame, a discharge hole is arranged below the left side of the device main body, the installation plate is arranged above the inside of the device main body, a driving motor is arranged above the installation plate, the driving motor and the rotary rod are mutually installed, the rotary rod is sleeved in the rotary shaft, and a stirring rod and the loop bar are. This feed arrangement that shoes mould of moulding plastics was used can prevent because of the difference of plastic pellet with look female quality to can wash device main part is inside, can make the inside raw materials of device main part directly flow from the discharge gate simultaneously, also can make the inside raw materials of device main part only locate the surface of screw, perhaps can go on simultaneously, thereby can improve the practicality of device main part.

Description

Feeding device for injection molding shoe mold

Technical Field

The invention relates to the technical field of injection molding shoe molds, in particular to a feeding device for an injection molding shoe mold.

Background

With the widespread use of plastics in various fields, the manufacturing processes, manufacturing techniques and manufacturing equipment for plastic materials have been well developed. In the field of shoe making molds, plastic is required to be injected into the shoe making molds, the application of the shoe making molds in the production field is very wide, and the injection molding is generally to melt a resin material in a charging barrel, rapidly inject the melted plastic into a mold cavity through a nozzle of an injection molding machine by the pushing of a screw rod, and obtain an injection molding product through solidification and shaping.

Injection moulding shoe mold is the former that shoes manufacture in-process was used commonly, can increase substantially the production efficiency and the production quality of shoes through the injection molding machine, and feed arrangement is the indispensable part of mould, and feed arrangement has decided the quality of raw materials when getting into the die cavity, and then has decided the quality after the shoes shaping.

Traditional feeding equipment all uses as the transport means only, lack the multifunctionality, do not possess cleaning function, can not satisfy cleaning equipment's use, and injection moulding shoe mold's raw materials is after mixing plastic granules and look mother, melt through feed arrangement again and mould plastics, pour into the mould die cavity into, thereby obtain the plastic shoes of different colours, but when pouring the raw materials into feed arrangement and melting the operation of will mixing, because plastic granules and look mother are of different quality, the layering condition easily appears in the raw materials that is located the feed arrangement upper end, it is inhomogeneous to cause the plastic shoes colour of follow-up preparation, or the condition of local color lump appears, influence product quality.

We have therefore proposed a feed device for injection moulding footwear moulds in order to solve the problems set out above.

Disclosure of Invention

The invention aims to provide a feeding device for an injection molding shoe mold, which solves the problems that the traditional feeding devices provided by the background technology are only used as transportation tools, lack of multifunctionality, cannot scan and position cleaning workpieces, have no cleaning function, cannot meet the use of multifunctional cleaning equipment, and due to the difference between the quality of plastic particles and the quality of color master batch, raw materials at the upper end of the feeding device are easy to be layered, so that the color of plastic shoes manufactured subsequently is uneven, or the product quality is influenced due to the condition of local color blocks.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a feed arrangement that injection moulding shoes mould was used, includes device main part, feeder hopper, mounting bracket, mounting panel, rotary rod, loop bar, gear train, cylinder, screw rod and locating plate, device main part right side below is equipped with the feeder hopper to feeder hopper and mounting bracket movable mounting, device main part left side below is equipped with the discharge gate moreover, and the inside top of device main part is equipped with the mounting panel simultaneously, the mounting panel top is equipped with driving motor, and driving motor and rotary rod are mutually installed simultaneously to inside the rotation axis was located to the rotary rod cover, there were puddler and loop bar in the rotation axis both sides moreover.

Preferably, the device main part left side top is equipped with the catch basin, and the catch basin left side is equipped with the water inlet moreover, and the catch basin top is equipped with the water pump simultaneously to the catch basin bottom is located to water pump one end water pipe, and water pump other end water pipe links to each other with the shower nozzle and locates the below of mounting panel simultaneously.

Preferably, the inside right side of feeder hopper is equipped with the hinge, the hinge other end and baffle movable mounting simultaneously to the baffle top is equipped with the dog, and the dog fixed mounting of baffle is inside the feeder hopper moreover, and feeder hopper right side surface is equipped with the constant head tank simultaneously.

Preferably, the mounting bracket surface is equipped with the feed inlet to the mounting bracket is equipped with the constant head tank movable mounting that guide rail and feeder hopper were equipped with, and the mounting bracket surface is equipped with the limiting plate simultaneously, and the feed inlet end of mounting bracket is located directly over the limiting plate moreover.

Preferably, the rotary rod surface is equipped with spacing to the outside of rotation axis is located to the rotary rod cover, and the length size of spacing is greater than the twice of electric putter length size moreover, and inside the bearing was located to rotatory axle sleeve simultaneously, and inside the fly leaf was located to the bearing, fly leaf top and electric putter's guide arm fixed mounting simultaneously, and the below of mounting panel is located to electric putter's the other end moreover.

Preferably, the inside of the loop bar is fixedly installed with the positioning spring, the other end of the positioning spring is fixedly installed with the connecting rod, the connecting rod is sleeved inside the loop bar, the other end of the connecting rod is mutually installed with the brush plate, and the sum of the distance from the installation surface of the positioning spring and the loop bar to the rotating shaft, the length of the connecting rod and the initial length of the positioning spring is larger than half of the length of the diagonal line of the two partition plates.

Preferably, gear train and rotary rod interconnect to gear train and screw interconnect, the inside right side of device main part is located to the screw simultaneously, and the screw left side is equipped with the baffle moreover, and the baffle top is equipped with the feed back mouth simultaneously, and baffle bottom and sparse material platform interconnect, and the inside bottom side of device main part is located to the sparse material platform simultaneously.

Preferably, the cylinder is located the inside bottom of device main part, and cylinder and conical gear are mutually installed simultaneously to the conical gear outside cover is equipped with the screw rod, and the screw rod outside and connecting piece threaded connection, connecting piece top and connecting rod movable mounting simultaneously, and the connecting rod other end and locating plate fixed mounting, locating plate movable mounting is inside the feed back mouth of baffle below moreover.

Preferably, the screw rod is in threaded connection with the two connecting pieces, the distance between the two connecting pieces is larger than the length of the material dredging table, and the central axis of the connecting line of the two connecting pieces is parallel to the central axis of the screw rod.

Preferably, the locating plate and the connecting rod are mutually installed at an angle of 15 degrees, and the shape and the size of the locating plate are the same as the shape surrounded by the material returning port and the material dredging table below the partition plate.

Compared with the prior art, the invention has the beneficial effects that: the feeding device for the injection molding shoe mold can enable the screw propeller to return the raw materials to the top end inside the device main body again, so that the raw materials can be stirred by the stirring rod again, the phenomenon that the raw materials at the upper end of the feeding device are easy to delaminate due to the difference between the quality of plastic particles and the quality of color master can be prevented, the interior of the device main body can be cleaned, the long-term use of the device main body can be facilitated, the service life of the device main body can be prolonged, the raw materials inside the device main body can directly flow out of the discharge port, the raw materials inside the device main body can be only arranged on the surface of the screw propeller or can be carried out simultaneously, and the practicability of the device main body can be improved;

(1) the device is provided with a device main body, a mounting plate, a driving motor, a rotating rod, a rotating shaft, a bearing, a movable plate, an electric push rod, a stirring rod, a gear set, a propeller, a material dredging table and a structure of mutual matching of a partition plate and a material return port, so that raw materials above the material dredging table can pass through the material return port below the partition plate and be arranged on the surface of the propeller, the propeller returns the raw materials to the top end inside the device main body again, the raw materials can be stirred by the stirring rod again, and therefore the difference between the quality of plastic particles and the quality of color master can be prevented, and the raw materials at the upper end of the feeding device are;

(2) the device is provided with a device main body, a mounting plate, a driving motor, a rotary rod, a limiting strip, a rotary shaft, a bearing, a movable plate, an electric push rod, a sleeve rod, a positioning spring, a connecting rod, a brush plate, a water storage tank and a water pump which are matched with each other, so that the motor can be driven to work, the brush plate connected with the connecting rod can rotate, and the brush plate can work to any position in the device main body under the action of the positioning spring and the electric push rod in the sleeve, so that the inside of the device main body can be cleaned, raw materials in the device main body are prevented from being attached to the surface, the long-term use of the device main body can be facilitated, and the service life;

(3) be equipped with device main part, cylinder, conical gear, screw rod, connecting piece, connecting rod, locating plate, discharge gate, dredge the structure that material platform, baffle and feed back mouth mutually support, through the work of cylinder to can make the inside raw materials of device main part directly flow from the discharge gate, also can make the surface that the screw was only located to the inside raw materials of device main part, perhaps can go on simultaneously, thereby can improve the practicality of device main part.

Drawings

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

FIG. 2 is a schematic view of the feed hopper of the present invention;

FIG. 3 is a schematic view of the structure of the mounting bracket of the present invention;

FIG. 4 is a schematic view of the connection structure of the rotating rod and the rotating shaft according to the present invention;

FIG. 5 is a schematic view of the separator structure of the present invention;

FIG. 6 is a schematic view of the connection structure of the screw and the connecting member according to the present invention;

FIG. 7 is an enlarged view of the structure at A in FIG. 1 according to the present invention.

In the figure: 1. a device main body; 2. a feed hopper; 3. a hinge; 4. a baffle plate; 5. positioning a groove; 6. a mounting frame; 7. a guide rail; 8. a feed inlet; 9. mounting a plate; 10. a drive motor; 11. rotating the rod; 12. a limiting strip; 13. a rotating shaft; 14. a bearing; 15. a movable plate; 16. an electric push rod; 17. a stirring rod; 18. a loop bar; 19. a positioning spring; 20. a connecting rod; 21. brushing the board; 22. a gear set; 23. a propeller; 24. a water storage tank; 25. a water pump; 26. a cylinder; 27. a bevel gear; 28. a screw; 29. a connecting member; 30. a connecting rod; 31. positioning a plate; 32. a discharge port; 33. a material dredging table; 34. a partition plate; 35. and (6) returning to the material port.

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. 1-7, the present invention provides a technical solution: a feeding device for injection molding shoe molds comprises a device main body 1, a feeding hopper 2, a hinge 3, a baffle 4, a positioning groove 5, a mounting frame 6, a guide rail 7, a feeding hole 8, a mounting plate 9, a driving motor 10, a rotating rod 11, a limiting strip 12, a rotating shaft 13, a bearing 14, a movable plate 15, an electric push rod 16, a stirring rod 17, a loop bar 18, a positioning spring 19, a connecting rod 20, a brush plate 21, a gear set 22, a propeller 23, a water storage tank 24, a water pump 25, a cylinder 26, a bevel gear 27, a screw 28, a connecting piece 29, a connecting rod 30, a positioning plate 31, a discharging hole 32, a material dredging platform 33, a partition plate 34 and a material returning hole 35, wherein the feeding hopper 2 is arranged below the right side of the device main body 1, the feeding hopper 2 and the mounting frame 6 are movably mounted below the left side of the device main body 1, meanwhile, the driving motor 10 and the rotating rod 11 are installed to each other, and the rotating rod 11 is sleeved inside the rotating shaft 13, and the stirring rod 17 and the sleeve rod 18 are provided at both sides of the rotating shaft 13.

A water storage tank 24 is arranged above the left side of the device main body 1, a water inlet is arranged on the left side of the water storage tank 24, a water pump 25 is arranged above the water storage tank 24, a water pipe at one end of the water pump 25 is arranged at the bottom of the water storage tank 24, and a water pipe at the other end of the water pump 25 is connected with a spray head and arranged below the mounting plate 9, so that water in the water storage tank 24 can be sprayed out from the top end of the mounting plate 9 through the work of the water pump 25, the inside of the device main body 1 can be cleaned, raw materials in the device main body 1 are prevented from being attached to;

the hinge 3 is arranged on the right side inside the feed hopper 2, the other end of the hinge 3 is movably mounted with the baffle 4, a stop block is arranged above the baffle 4, the stop block of the baffle 4 is fixedly mounted inside the feed hopper 2, and the positioning groove 5 is arranged on the right side surface of the feed hopper 2, so that the baffle 4 can only rotate to one side, raw materials inside the device main body 1 can be prevented from splashing out of the feed inlet 8, and waste is caused;

the surface of the mounting frame 6 is provided with a feed inlet 8, the mounting frame 6 is provided with a guide rail 7 movably mounted with a positioning groove 5 arranged on the feed hopper 2, meanwhile, the surface of the mounting frame 6 is provided with a limiting plate, and the tail end of the feed inlet 8 of the mounting frame 6 is arranged right above the limiting plate, so that the positioning groove 5 arranged on the feed hopper 2 is matched with the guide rail 7 of the mounting frame 6, the feed hopper 2 can be conveniently mounted, and the feed hopper 2 can be conveniently used and replaced, thereby improving the practicability of the device main body 1;

the surface of the rotating rod 11 is provided with a limiting strip 12, the rotating rod 11 is sleeved outside the rotating shaft 13, the length of the limiting strip 12 is more than twice of the length of the electric push rod 16, meanwhile, the rotating shaft 13 is sleeved inside the bearing 14, the bearing 14 is arranged inside the movable plate 15, meanwhile, the upper part of the movable plate 15 is fixedly installed with a guide rod of the electric push rod 16, and the other end of the electric push rod 16 is arranged below the mounting plate 9, so that when the electric push rod 16 drives the rotating shaft 13 to move in the device main body 1, the rotating shaft 13 can be always arranged inside the rotating rod 11, and the rotating rod 11 can be prevented from being incapable of driving the rotating shaft 13 to rotate, thereby being incapable of cleaning the inside of the device main;

the inside of the loop bar 18 is fixedly installed with a positioning spring 19, the other end of the positioning spring 19 is fixedly installed with a connecting rod 20, the connecting rod 20 is sleeved inside the loop bar 18, the other end of the connecting rod 20 is installed with a brush plate 21, and the sum of the distance between the installation surface of the positioning spring 19 and the loop bar 18 and the rotating shaft 13, the length of the connecting rod 20 and the initial length of the positioning spring 19 is more than half of the length of the diagonal line of the two partition plates 34, so that the brush plate 21 can be always contacted with the inner wall of the device main body 1 or the partition plates 34, the brush plate 21 can clean the inside of the device main body 1, raw materials in the device main body 1 are prevented from being attached to the surface, and the device main body 1 can be used for a;

the gear set 22 and the rotary rod 11 are mutually installed, the gear set 22 and the propeller 23 are mutually installed, the propeller 23 is arranged on the right side in the device main body 1, the partition plate 34 is arranged on the left side of the propeller 23, the feed back port 35 is arranged above the partition plate 34, the bottom of the partition plate 34 is mutually connected with the material dredging table 33, the material dredging table 33 is arranged on the bottom side in the device main body 1, and the raw materials arranged on the surface of the propeller 23 can be arranged in the feed back port 35 arranged above the partition plate 34 through the propeller 23 through the operation of the propeller 23, so that the raw materials can be stirred again at the top end of the device main body 1, and the raw materials in the device main body 1 can be stirred for multiple times, so that the layering condition of the raw materials positioned at the upper end of the feeding device due to the;

the cylinder 26 is arranged at the bottom inside the device main body 1, the cylinder 26 and the bevel gear 27 are mutually installed, the screw 28 is sleeved outside the bevel gear 27, the outer side of the screw 28 is in threaded connection with the connecting piece 29, the upper part of the connecting piece 29 is movably installed with the connecting rod 30, the other end of the connecting rod 30 is fixedly installed with the positioning plate 31, the positioning plate 31 is movably installed inside the material return port 35 below the partition plate 34, so that the screw 28 can be driven to rotate through the work of the cylinder 26, the connecting piece 29 can be driven to move, and the connecting rod 30 and the positioning plate 31 can be further driven to rotate;

the screw 28 is in threaded connection with the two connecting pieces 29, the distance between the two connecting pieces 29 is larger than the length of the material dredging table 33, and the central axis of the connecting line of the two connecting pieces 29 is parallel to the central axis of the screw 28, so that when the discharge port 32 is closed, raw materials in the device main body 1 can be arranged on the surface of the propeller 23, and simultaneously, only the discharge port 32 can be opened to improve the discharging speed or can be opened simultaneously, thereby improving the practicability of the device main body 1;

the positioning plate 31 and the connecting rod 30 are mutually installed at an angle of 15 degrees, and the shape and size of the positioning plate 31 are the same as the shape surrounded by the material returning port 35 and the material dredging table 33 below the partition plate 34, so that the positioning plate 31 can form a closed environment inside the device main body 1.

The working principle of the embodiment is as follows: in the feeding device for the injection shoe mold, firstly, according to the figures 1-3, the positioning groove 5 arranged on the feeding hopper 2 can be matched with the guide rail 7 on the right side of the mounting rack 6, then, raw materials are fed from the feeding hopper 2, so that the raw materials can rotate the baffle 4 in the feeding hopper 2 under the action of the hinge 3, and the raw materials can enter the device main body 1 through the feeding hole 8.

Next, according to fig. 1 and 4, the driving motor 10 above the mounting plate 9 is operated to rotate the rotating rod 11, so that the gear train 22 and the rotating shaft 13 can be rotated by the stopper bar 12, and the screw 23 can be rotated by the gear train 22, so that the raw material on the surface of the screw 23 can be provided above the inside of the apparatus main body 1 through the feed back port 35 above the partition plate 34, and can be stirred by the stirring rod 17 provided on the rotating shaft 13.

Then, according to fig. 1 and 5, the raw material inside the device main body 1 is arranged on the surface of the material dredging table 33 under the effect of gravity, so that the raw material can be returned to the surface of the propeller 23 again through the material returning port 35 below the partition plate 34, and the phenomenon that the raw material at the upper end of the feeding device is easy to delaminate due to the difference between the quality of the plastic particles and the quality of the color masterbatch can be prevented.

Finally, according to fig. 1 and 5-6, by the operation of the cylinder 26 at the bottom of the device body 1, the screw 28 can be rotated by the bevel gear 27, so as to drive the connecting member 29 to move, and further, the connecting rod 30 and the positioning plate 31 can be rotated simultaneously, so as to open the discharge port 32, and prevent the raw material from being disposed on the surface of the propeller 23, so as to increase the discharge speed of the discharge port 32.

When the device is cleaned, according to the figures 1, 4 and 7, water in the water storage tank 24 can be sprayed out from the top end of the mounting plate 9 through the work of the water pump 25, so that the inside of the device body 1 can be cleaned, meanwhile, the sleeve rods 18 on two sides of the rotating shaft 13 are rotated under the action of the driving motor 10, the brush plates 21 connected with the connecting rods 20 can be always in contact with the inner wall of the device body 1 or the partition plate 34 under the action of the positioning springs 19, the movable plate 15 can be driven to move through the electric push rod 16, so that the rotating shaft 13 in the bearing 14 can slide outside the limiting strips 12 of the rotating rod 11, the brush plates 21 can be used for cleaning the inside of the device body 1, raw materials in the device body 1 are prevented from being attached to the surface, and the long-term use of the device body 1 is facilitated.

The operation of the device is completed, and details which are not described in detail in this specification, such as the driving motor 10, the electric push rod 16 and the air cylinder 26, are well known in the art to those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a feed arrangement that injection molding shoes mould was used, includes device main part (1), feeder hopper (2), mounting bracket (6), mounting panel (9), rotary rod (11), loop bar (18), gear train (22), cylinder (26), screw rod (28) and locating plate (31), its characterized in that: device main part (1) right side below is equipped with feeder hopper (2) to feeder hopper (2) and mounting bracket (6) movable mounting, device main part (1) left side below is equipped with discharge gate (32) moreover, and device main part (1) inside top is equipped with mounting panel (9) simultaneously, mounting panel (9) top is equipped with driving motor (10), and driving motor (10) and rotary rod (11) are mutually installed simultaneously to rotary rod (11) cover is located inside rotation axis (13), and rotation axis (13) both sides have puddler (17) and loop bar (18) moreover.

2. The feeding device for injection molding of shoes as claimed in claim 1, wherein: the device is characterized in that a water storage tank (24) is arranged above the left side of the device main body (1), a water inlet is formed in the left side of the water storage tank (24), a water pump (25) is arranged above the water storage tank (24), a water pipe at one end of the water pump (25) is arranged at the bottom of the water storage tank (24), and a water pipe at the other end of the water pump (25) is connected with the spray head and arranged below the mounting plate (9).

3. The feeding device for injection molding of shoes as claimed in claim 1, wherein: inside right side of feeder hopper (2) is equipped with hinge (3), and hinge (3) other end and baffle (4) movable mounting simultaneously to baffle (4) top is equipped with the dog, and the dog fixed mounting of baffle (4) is inside feeder hopper (2) moreover, and feeder hopper (2) right side surface is equipped with constant head tank (5) simultaneously.

4. The feeding device for injection molding of shoes as claimed in claim 1, wherein: mounting bracket (6) surface is equipped with feed inlet (8) to mounting bracket (6) are equipped with constant head tank (5) movable mounting that guide rail (7) and feeder hopper (2) were equipped with, and mounting bracket (6) surface is equipped with the limiting plate simultaneously, and the limiting plate is located directly over to feed inlet (8) end of mounting bracket (6) moreover.

5. The feeding device for injection molding of shoes as claimed in claim 1, wherein: the utility model discloses a portable electric power tool, including rotary rod (11), rotary rod (11) surface is equipped with spacing strip (12), and the outside of rotation axis (13) is located to rotary rod (11) cover, and the length size of spacing strip (12) is greater than electric putter (16) length size's twice, inside bearing (14) are located to rotation axis (13) cover simultaneously, and inside fly leaf (15) were located to bearing (14), the guide arm fixed mounting of fly leaf (15) top and electric putter (16) simultaneously, and the below of mounting panel (9) is located to the other end of electric putter (16).

6. The feeding device for injection molding of shoes as claimed in claim 1, wherein: the inside of the loop bar (18) is fixedly installed with the positioning spring (19), the other end of the positioning spring (19) is fixedly installed with the connecting rod (20), meanwhile, the connecting rod (20) is sleeved inside the loop bar (18), the other end of the connecting rod (20) is installed with the brush plate (21) mutually, and the sum of the distance between the installation surface of the positioning spring (19) and the loop bar (18) and the rotating shaft (13), the length of the connecting rod (20) and the initial length of the positioning spring (19) is larger than half of the length of a diagonal of the two partition plates (34).

7. The feeding device for injection molding of shoes as claimed in claim 1, wherein: gear train (22) and rotary rod (11) are installed each other to gear train (22) and screw (23) are installed each other, and device main part (1) inside right side is located in screw (23) simultaneously, and screw (23) left side is equipped with baffle (34) moreover, and baffle (34) top is equipped with feed back mouth (35) simultaneously, and baffle (34) bottom and sparse material platform (33) interconnect, and the inside bottom side in device main part (1) is located in sparse material platform (33) simultaneously.

8. The feeding device for injection molding of shoes as claimed in claim 1, wherein: device main part (1) inside bottom is located in cylinder (26), and cylinder (26) and conical gear (27) are installed each other simultaneously to conical gear (27) outside cover is equipped with screw rod (28), and screw rod (28) outside and connecting piece (29) threaded connection, connecting piece (29) top and connecting rod (30) movable mounting simultaneously, and the connecting rod (30) other end and locating plate (31) fixed mounting, and locating plate (31) movable mounting is inside feed back mouth (35) below baffle (34).

9. The feeding device for injection molding of shoes as claimed in claim 1, wherein: the screw (28) is in threaded connection with the two connecting pieces (29), the distance between the two connecting pieces (29) is larger than the length of the material dredging table (33), and the central axis of the connecting line of the two connecting pieces (29) is parallel to the central axis of the screw (28).

10. The feeding device for injection molding of shoes as claimed in claim 1, wherein: the positioning plate (31) and the connecting rod (30) are mutually installed at 15 degrees, and the shape and the size of the positioning plate (31) are the same as the shape surrounded by the material returning port (35) and the material dredging platform (33) below the partition plate (34).