CN114714573A

CN114714573A - Feeding device for brush plate injection molding and anti-blocking method thereof

Info

Publication number: CN114714573A
Application number: CN202210471425.5A
Authority: CN
Inventors: 田从吾; 华凯; 王志东; 汪馨; 朱小照
Original assignee: Anhui Huanmei Brush Co ltd
Current assignee: Anhui Huanmei Brush Co ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-07-08
Anticipated expiration: 2042-04-28
Also published as: CN114714573B

Abstract

The invention discloses a feeding device for brush plate injection molding, which comprises a support, wherein a feeding barrel for feeding raw materials is fixed at the top end of the support, a material storage tank is arranged on one side of the feeding barrel, a particle suction machine is installed at the top end of the material storage tank, the output end of the particle suction machine is communicated with the top surface of the particle suction machine, a servo motor I is fixed at the center of the outer top surface of the feeding barrel through a screw, a stirring paddle is regulated at the output end of the servo motor I, a feeding auger is fixed on the outer wall of the lower side of the stirring paddle, the output end of the feeding barrel is connected with a material distribution mechanism for intermittently controlling the feeding component, the output end of the material distribution mechanism is connected with a feeding auxiliary component for slowing down the feeding speed of the raw materials, and an injection molding machine body is installed at the lower side of the feeding auxiliary component. The invention has reasonable design and stable device operation, adopts a quantitative sectional feeding mode, and extracts and selects the raw materials before feeding, thereby well avoiding the occurrence of raw material blockage and the waste of raw material resources.

Description

Feeding device for brush plate injection molding and anti-blocking method thereof

Technical Field

The invention relates to the technical field of brush disc production equipment, in particular to a feeding device for brush disc injection molding and an anti-blocking method thereof.

Background

Brushes, which generally refer to dirt removing or grease applying tools made of bristles, palm fibers, plastic wires, metal wires and the like, are usually planted in a brush disc, most of the brush discs are manufactured by injection molding, and injection molding equipment is required.

Through the retrieval, application number 20210863538.5's patent discloses a general loading attachment is moulded plastics to injection molding machine, which comprises a hopper, runner assembly and knocking component, the top of hopper is connected with the discharging pipe, and the top is provided with the pan feeding mouth, and be close to the first fixed block of position fixedly connected with multiunit of pan feeding mouth, the equal fixedly connected with bracing piece in top of the first fixed block of multiunit, the top of bracing piece is connected with the second fixed block, fixedly connected with top cap between the multiunit second fixed block, the internal connection of hopper has the filter screen, a runner assembly for rotating the filter screen is installed on the top cap, and extend to being connected with the filter screen to the inside of hopper, a knocking component mounting in the outside of discharging pipe for knocking the discharging pipe, and be connected with runner assembly, be favorable to improving production efficiency.

The existing injection molding equipment adopts the auger to continuously feed, a feeding cavity is easy to stand and condense to cause blockage when the equipment breaks down or the dead time is long, a large number of stub bars are generally required to be extruded during reuse, and the stub bars cannot be directly reused during actual use, so that the waste of resources is greatly caused, the use requirements of people are difficult to meet, and therefore, the research on the feeding device for brush plate injection molding is necessary.

Disclosure of Invention

The invention aims to solve the problems of labor consumption and low efficiency in the prior art, and provides a feeding device for brush plate injection molding.

In order to achieve the purpose, the invention adopts the following technical scheme:

a feeding device for brush plate injection molding comprises a support, a feeding barrel for feeding raw materials is fixed at the top end of the support, a material storage tank is arranged on one side of the feeding barrel, a particle suction machine is installed at the top end of the material storage tank, the output end of the particle suction machine is communicated with the top surface of the particle suction machine, a servo motor I is fixed at the central position of the outer top surface of the feeding barrel through a screw, a stirring paddle is arranged at the output end of the servo motor I, a feeding auger is fixed on the outer wall of the lower side of the stirring paddle, the output end of the feeding barrel is connected with a material distribution mechanism for intermittently controlling the feeding component, the output end of the material distribution mechanism is connected with a feeding auxiliary assembly for slowing down the feeding speed of the raw materials, an injection molding machine body is installed at the lower side of the feeding auxiliary assembly, a material suction pipe is additionally installed at the output end of the particle suction pipe, an anti-blocking cover for preventing the large-particle raw materials from entering is fixedly sleeved on the outer side of the lower side of the suction pipe, a supporting sheet is further fixed at the lower side of the material storage tank, the outer wall of the lower side of the material storage tank is connected with a supporting plate in a sliding contact mode, jacking springs are fixed between the top surface of the supporting sheet and the bottom surface of the supporting plate, and protection cylinders are sleeved on the outer sides of the jacking springs.

Preferably, the material distributing mechanism comprises a hollow material distributing tank, the hollow material distributing tank is fixed on the inner side of a support, the inner walls of the front end and the rear end of the hollow material distributing tank are rotatably connected with a hollow column, a horizontal frame is fixed on the lower side of the front end of the hollow material distributing tank, a servo motor II is fixed on the top surface of the horizontal frame, the output end of the servo motor II is fixedly connected with the hollow column, a partition plate is fixed on the outer wall of the hollow column, a sealing strip is further fixed at one end of the partition plate, the hollow material distributing tank is uniformly divided into a plurality of blanking chambers by the partition plate, threaded cylinders are respectively rotatably connected on the inner bottom surfaces of the front end and the rear end of each blanking chamber, threaded rods are respectively and threadedly connected on the inner walls of the threaded cylinders, mounting bars are respectively fixed on the top ends of two threaded rods in the same blanking chamber, adjusting plates are respectively and rotatably mounted on both sides of the top ends of the mounting bars, limiting assemblies are slidably connected between the upper ends of the adjusting plates and the blanking chambers, adjusting rods are respectively and rotatably connected on the inner walls of the front side and the rear side of the hollow column, the outer side of one end of the threaded cylinder is fixedly provided with an adjusting bevel gear, the outer walls of the front side and the rear side of the adjusting rod are fixedly provided with a driving bevel gear, the adjusting bevel gear is meshed with the driving bevel gear, and the rear side of the adjusting rod penetrates through the hollow material distributing tank and is fixedly provided with a rotating handle at the end part.

The baffle is equipped with a plurality ofly and evenly distributed on hollow post outer wall, and baffle and sealing strip side all laminate with hollow feed divider inner wall, and the side all sets up with hollow feed divider inner wall laminating around mounting bar and the regulating plate, spacing subassembly includes the stopper, and the stopper rotates to be installed on the regulating plate lateral wall, and baffle upper end lateral wall has still seted up the spacing groove, the equal spacing connection of sliding of stopper is at the spacing inslot.

Preferably, unloading auxiliary assembly includes feed cylinder down, and the lower extreme link up sealing connection with hollow material separating tank bottom surface and injection molding machine body feeding end respectively on the feed cylinder, feed cylinder both sides inner wall all is fixed with and is used for blockking the baffle that the raw materials directly dropped down, states the baffle and is equipped with a plurality ofly and crisscross even fixed on feed cylinder inner wall down, and the baffle sets up by feed cylinder both sides side direction middle part slope down.

Preferably, pay-off auger lower extreme extends to feed mechanism input end position, and the discharge port of lower feed cylinder is greater than feed mechanism dog-house specification, prevent that stifled cover all is netted setting in order to guarantee that the raw materials realizes multi-angle feeding operation on the four sides.

Preferably, the jacking springs are arranged on the bottom surface of the abutting plate and are uniformly distributed, and the protective cylinders are arranged on the bottom surface of the material storage tank and the top surface of the supporting piece.

Preferably, the anti-blocking method of the feeding device comprises the following steps: the feeding operation of rubber granules is completed through the injection molding machine body, the anti-blocking cover screens the sizes of raw material granules during feeding, the raw material is poured into the feeding barrel, the material distributing amount of the material distributing mechanism is adjusted according to the consumption amount of single raw material of a machined part, then the feeding auger is driven by the servo motor to rotate to complete quantitative feeding operation, the raw material is distributed by the material distributing mechanism and intermittent feeding is completed, the feeding speed is controlled by the feeding auxiliary assembly after feeding, and therefore the blocking of the raw material and the waste of resources are well avoided.

Compared with the prior art, the invention provides a feeding device for brush plate injection molding, which has the following beneficial effects:

1. the invention has reasonable design and stable device operation, adopts a quantitative sectional feeding mode, and extracts and selects the raw materials before feeding, thereby well avoiding the occurrence of raw material blockage and the waste of raw material resources;

2. when the automatic lifting device is used, the automatic lifting operation of injection molding raw materials is realized through the particle suction machine, the material distribution amount of the material distribution mechanism is adjusted according to the consumption amount of single raw materials of a workpiece after lifting, then the servo motor drives the feeding auger to rotate to complete quantitative feeding operation, the raw materials are distributed by the material distribution mechanism and intermittent blanking is completed, and the blanking speed is controlled by the blanking auxiliary assembly after blanking, so that the single feeding amount and the specification of the raw materials are controlled from a feeding source, the occurrence of blockage phenomenon is further avoided, and a certain guarantee is provided for the high-quality production of injection molding equipment;

3. when the anti-blocking cover is used, the specification of injection molding raw material particles is selected by the anti-blocking cover, so that the problem that the raw material particles are large and cannot be fully melted is fundamentally solved, the phenomena of cracking and crazing of injection molding parts in later processing are well avoided, and a certain guarantee is provided for high-quality preparation of the injection molding parts;

4. when the material is fed in an injection molding manner, the material is gradually adsorbed, the gravity borne by the jacking spring is reduced, and the abutting plate continuously moves upwards along with the feeding, so that the material sucking pipe can completely adsorb and feed the raw material of the material storage tank, and the feeding efficiency of the raw material is greatly guaranteed;

5. according to the invention, the adjusting rod rotates before feeding, under the transmission action of the adjusting bevel gear and the driving bevel gear, the threaded cylinder rotates to enable the threaded rod to drive the mounting strip to move, and the mounting strip drives the two adjusting plates to realize angle and position adjustment, so that the adjustment operation of the space of the blanking chamber is realized, the component of the raw material fed by different dies at a time is well met, and the application range of the device is greatly improved;

6. when the feeding device is used, the hollow column is driven to rotate by the servo motor II, and the multiple feeding chambers complete material receiving and intermittent feeding operations, so that the single feeding amount is well ensured, the feeding cavity cannot be kept static for condensation to cause blockage when the injection molding machine breaks down or the dead time is long, and the smoothness of feeding raw materials is well ensured;

7. according to the invention, when the raw material falls into the lower charging barrel during charging, the injection molding raw material continuously falls between the plurality of barrier plates, so that the material charging speed is slowed down to ensure the charging uniformity, and further, a certain guarantee is provided for the sufficient hot melting of the injection molding raw material.

Drawings

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

FIG. 2 is a front cross-sectional view of the present invention;

FIG. 3 is an enlarged view taken at A-A of FIG. 1 in accordance with the present invention;

FIG. 4 is a front cross-sectional view of the feed mechanism of the present invention;

fig. 5 is a front sectional view of the blanking assistance assembly of the present invention.

In the figure: the device comprises a support 1, a blanking cylinder 2, a material storage tank 3, a particle suction machine 4, a servo motor I5, a stirring paddle 6, a feeding auger 7, a material distribution mechanism 8, a blanking auxiliary assembly 9, an injection molding machine body 10, a material suction pipe 11, an anti-blocking cover 12, a supporting sheet 13, a supporting plate 14, a jacking spring 15, a hollow material distribution tank 81, a hollow column 82, a horizontal frame 83, a servo motor II 84, a partition plate 85, a sealing strip 86, a blanking chamber 87, a threaded cylinder 88, a threaded rod 89, a mounting strip 810, an adjusting plate 811, a limiting assembly 812, an adjusting rod 813, an adjusting bevel gear 814, a driving bevel gear 815, a rotating handle 816, a blanking cylinder 91 and a blocking plate 92.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example one

Referring to fig. 1-3, a feeding device for brush plate injection molding comprises a bracket 1, a lower feed cylinder 2 for feeding raw materials is fixed at the top end of the bracket 1, a storage tank 3 is arranged at one side of the lower feed cylinder 2, a particle suction machine 4 is installed at the top end of the storage tank 3, the output end of the particle suction machine 4 is communicated with the top surface of the particle suction machine 4, a servo motor I5 is fixed at the center position of the outer top surface of the lower feed cylinder 2 through a screw, a stirring paddle 6 is specified at the output end of the servo motor I5, a feeding auger 7 is fixed on the outer wall of the lower side of the stirring paddle 6, a distributing mechanism 8 for intermittently controlling the feeding component is connected at the output end of the lower feed cylinder 2, an auxiliary feed component 9 for slowing down the feeding rate of the raw materials is connected at the output end of the distributing mechanism 8, an injection molding machine body 10 is installed at the lower side of the auxiliary feed component 9, a feed sucking pipe 11 is additionally installed at the output end of the particle suction pipe 4, a cover 12 for preventing large-particle raw materials from entering is sleeved and fixed at the outer side of the sucking pipe 11, prevent stifled cover 12 four sides and all be netted setting in order to guarantee that the raw materials realizes multi-angle feeding operation, pick by the specification of preventing stifled cover 12 to the raw materials granule of moulding plastics when using, thereby from having solved the great unable abundant hot melt's of raw materials granule problem at all, and then fine avoided injection molding post processing appear checking and the fracture phenomenon, high quality preparation for the injection molding provides certain guarantee, 3 downside of stock tank still is fixed with

backing sheet

13, 3 downside outer walls of stock tank still sliding contact are connected with butt 14, all be fixed with jacking spring 15 between backing sheet 13 top surface and the 14 bottom surfaces of butt, jacking spring 15 outside all overlaps and is equipped with and prevents a protection section of thick bamboo 16.

The anti-blocking method of the feeding device comprises the following steps: at first, accomplish the material loading operation of rubber granule material through injection molding machine body 10, prevent stifled cover 12 during the material loading and screen the raw materials granule size, the raw materials is poured into down in the feed cylinder 2, the branch material volume of feed mechanism 8 is adjusted according to the consumption of machined part single raw materials this moment, then drive the rotatory ration material loading operation of accomplishing of pay-off auger 7 by servo motor 5, the raw materials is divided the material and is accomplished intermittent type unloading by feed mechanism 8, the speed of unloading is controlled by unloading auxiliary assembly 9 after the unloading, thereby fine the jam of avoiding the raw materials and the waste of resource.

Example two

As shown in fig. 1, 3 and 4, in this embodiment, substantially the same as that in embodiment 1, preferably, the material distribution mechanism 8 includes a hollow material distribution tank 81, the hollow material distribution tank 81 is fixed inside the support 1, the inner walls of the front and rear ends of the hollow material distribution tank 81 are rotatably connected with a hollow column 82, the lower side of the front end of the hollow material distribution tank 81 is fixed with a horizontal frame 83, the top surface of the horizontal frame 83 is fixed with a second servo motor 84, the output end of the second servo motor 84 is fixedly connected with the hollow column 82, the outer wall of the hollow column 82 is fixed with a partition 85, one end of the partition 85 is also fixed with a sealing strip 86, the partition 85 divides the hollow material distribution tank 81 into a plurality of blanking chambers 87, when in use, the hollow column 82 is driven by the second servo motor 84 to rotate, at this time, the plurality of blanking chambers 87 complete material receiving and intermittent blanking operations, thereby well ensuring single material loading amount, and the blocking phenomenon of the loading chamber will not occur due to standing condensation when the injection molding machine is in failure or has a long dead time, fine assurance raw materials material loading's smoothness nature, the bottom surface all rotates to be connected with threaded cylinder 88 in the lower feed chamber 87 front and back end, the equal threaded connection of threaded cylinder 88 inner wall has threaded rod 89, two threaded rod 89 tops in same lower feed chamber 87 all are fixed with mounting bar 810, mounting bar 810 top both sides all rotate and install regulating plate 811, sliding limit is connected with spacing subassembly 812 between regulating plate 811 upper end and the lower feed chamber 87, hollow post 82 front and back side inner wall all rotates and is connected with regulation pole 813, threaded cylinder 88 one end outside all is fixed with regulation bevel gear 814, it still is fixed with drive bevel gear 815 to adjust pole 813 front and back side outer wall, it all is connected with drive bevel gear 815 813 meshing to adjust bevel gear 814, it still passes hollow branch material jar 81 and has twist grip 816 at the end fixing still to adjust the pole rear side.

In this embodiment, before material loading, the adjusting rod 813 rotates, under the transmission action of the adjusting bevel gear 814 and the driving bevel gear 815, the threaded cylinder 88 rotates to enable the threaded rod 89 to drive the mounting bar 810 to move, and the mounting bar 810 drives the two adjusting plates 811 to adjust the angle and the position, so that the adjustment operation of the space of the material unloading chamber 87 is realized, the component of the material loading of different molds at a time is well met, and the application range of the device is greatly improved.

EXAMPLE III

As shown in fig. 1, 3 and 4, this embodiment is the same as embodiment 1 basically, preferably, baffle 85 is equipped with a plurality ofly and evenly distributed on hollow post 82 outer wall, and baffle 85 and sealing strip 86 side all with the laminating of hollow material distributing tank 81 inner wall, the side all with the laminating setting of hollow material distributing tank 81 inner wall around mounting bar 810 and the regulating plate 811, spacing subassembly 812 includes the stopper, the stopper rotates to be installed on the regulating plate 811 lateral wall, and the spacing groove has still been seted up to baffle 85 upper end lateral wall, the equal sliding limit of stopper is connected in the spacing groove.

In this embodiment, the adjusting plate 811 is connected with the partition plate 85 in a limiting manner through the limiting block and the limiting groove, so that the adjusting plate 811 can translate and rotate more stably.

Example four

As shown in fig. 1 and 5, in this embodiment, the same as embodiment 1, preferably, the auxiliary blanking assembly 9 includes a blanking barrel 91, the upper and lower ends of the blanking barrel 91 are respectively connected to the bottom surface of the hollow material distributing barrel 81 and the feeding end of the injection molding machine body 10 in a penetrating and sealing manner, the inner walls of both sides of the blanking barrel 91 are fixed with blocking plates 92 for blocking the raw materials from directly dropping, the blocking plates 92 are provided with a plurality of blocks and are uniformly fixed on the inner walls of the blanking barrel 91 in a staggered manner, and the blocking plates 92 are all arranged by inclining the two sides of the blanking barrel 91 to the middle part downwards.

In this embodiment, the raw materials falls into feed cylinder 91 down in the material loading, and the raw materials of moulding plastics constantly rotates between polylith baffler 92 this moment and falls to slowed down the homogeneity of the speed in order to guarantee the material loading of material loading, and then provide certain guarantee for the abundant hot melt of the raw materials of moulding plastics.

EXAMPLE five

As shown in fig. 2 and 3, this embodiment is substantially the same as embodiment 1, and preferably, the lower end of the feeding auger 7 extends to the position of the input end of the material distribution mechanism 8, and the discharge port of the blanking barrel 2 is larger than the specification of the material inlet of the material distribution mechanism 8.

In this embodiment, the discharge port of the lower cylinder 2 is larger than the specification of the feed port of the material distribution mechanism 8, so that the cavity of the lower chamber 87 can be quickly filled with the injection molding raw material.

EXAMPLE six

As shown in fig. 2, this embodiment is substantially the same as embodiment 1, and preferably, the jacking springs 15 are provided in plurality and uniformly distributed on the bottom surface of the resisting plate 14, and the protective cylinders 16 are provided on the bottom surface of the material storage tank 3 and the top surface of the supporting plate 13.

In this embodiment, when the material loading of moulding plastics, along with the material progressively adsorbs, the gravity that jacking spring 15 received at this moment alleviates, supports board 14 and constantly shifts up along with the material loading to guarantee to inhale material pipe 11 and can realize the complete absorption material loading operation to material storage tank 3 ability raw materials, and then the very good efficiency of guaranteeing raw materials material loading greatly.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. A feeding device for brush disc injection molding comprises a support (1), wherein a feeding cylinder (2) for raw material feeding is fixed at the top end of the support (1), and is characterized in that a material storage tank (3) is arranged on one side of the feeding cylinder (2), a particle suction machine (4) is installed at the top end of the material storage tank (3), and the output end of the particle suction machine (4) is in through connection with the top surface of the particle suction machine (4);

a servo motor I (5) is fixed at the center of the outer top surface of the lower charging barrel (2) through a screw, a stirring paddle (6) is specified at the output end of the servo motor I (5), a feeding auger (7) is fixed on the outer wall of the lower side of the stirring paddle (6), the output end of the lower charging barrel (2) is connected with a material distribution mechanism (8) used for intermittently controlling the feeding component, the output end of the material distribution mechanism (8) is connected with a discharging auxiliary assembly (9) used for slowing the discharging speed of the raw material, and an injection molding machine body (10) is installed on the lower side of the discharging auxiliary assembly (9);

granule auto sucking machine (4) output is equipped with additional and inhales material pipe (11), inhales material pipe (11) down the single outside cup joint and is fixed with and is used for preventing that large granule raw materials get into prevent stifled cover (12), and material storage tank (3) downside still is fixed with backing sheet (13), material storage tank (3) downside outer wall still sliding contact is connected with to board (14), all is fixed with between backing sheet (13) top surface and backing sheet (14) bottom surface jacking spring (15), jacking spring (15) outside all overlaps and is equipped with and prevents a protection section of thick bamboo (16).

2. The feeding device for injection molding of the brush disc according to claim 1, wherein the distributing mechanism (8) comprises a hollow distributing tank (81), the hollow distributing tank (81) is fixed inside the support (1), the inner walls of the front end and the rear end of the hollow distributing tank (81) are rotatably connected with a hollow column (82), a horizontal frame (83) is fixed on the lower side of the front end of the hollow distributing tank (81), a second servo motor (84) is fixed on the top surface of the horizontal frame (83), the output end of the second servo motor (84) is fixedly connected with the hollow column (82), a partition plate (85) is fixed on the outer wall of the hollow column (82), a sealing strip (86) is further fixed on one end of the partition plate (85), the partition plate (85) equally divides the hollow distributing tank (81) into a plurality of blanking chambers (87), the inner bottom surfaces of the front end and the rear end of the blanking chamber (87) are rotationally connected with a threaded barrel (88), and the inner walls of the threaded barrel (88) are threadedly connected with a threaded rod (89), two threaded rods (89) top in same unloading room (87) all are fixed with mounting bar (810), and mounting bar (810) top both sides are all rotated and are installed regulating plate (811), and the spacing subassembly (812) that slides between regulating plate (811) upper end and unloading room (87), and hollow post (82) front and back side inner wall all rotates and is connected with regulation pole (813), and threaded cylinder (88) one end outside all is fixed with regulation bevel gear (814), adjust pole (813) front and back side outer wall and still be fixed with drive bevel gear (815), adjust bevel gear (814) and all be connected with drive bevel gear (815) meshing, it still passes hollow branch material jar (81) and has twist grip (816) at the end fixing to adjust pole (813) rear side.

3. The feeding device for injection molding of the brush plate according to claim 2, wherein the partition plates (85) are provided in plurality and uniformly distributed on the outer wall of the hollow column (82), the side surfaces of the partition plates (85) and the sealing strips (86) are attached to the inner wall of the hollow material distribution tank (81), and the front and rear sides of the mounting strips (810) and the adjusting plates (811) are attached to the inner wall of the hollow material distribution tank (81).

4. The brush plate feeding device for injection molding according to claim 2 or 3, wherein the limiting assembly (812) comprises a limiting block, the limiting block is rotatably mounted on a side wall of the adjusting plate (811), a limiting groove is further formed in a side wall of the upper end of the separating plate (85), and the limiting block is connected in the limiting groove in a sliding limiting manner.

5. The feeding device for brush plate injection molding according to claim 1, wherein the blanking auxiliary assembly (9) comprises a blanking barrel (91), the upper end and the lower end of the blanking barrel (91) are respectively connected with the bottom surface of the hollow material distribution barrel (81) and the feeding end of the injection molding machine body (10) in a penetrating and sealing manner, and blocking plates (92) for blocking raw materials from directly falling off are fixed on the inner walls of the two sides of the blanking barrel (91).

6. The feeding device for injection molding of a brush plate according to claim 4, wherein the blocking plate (92) is provided with a plurality of blocking plates and is uniformly fixed on the inner wall of the lower charging barrel (91) in a staggered manner, and the blocking plates (92) are all arranged in a manner that the two sides of the lower charging barrel (91) are inclined downwards towards the middle.

7. The feeding device for brush tray injection molding according to claim 1 or 2, wherein the lower end of the feeding auger (7) extends to the input end position of the material distribution mechanism (8), and the discharge port of the lower material barrel (2) is larger than the specification of the material distribution mechanism (8).

8. The feeding device for injection molding of the brush disc as claimed in claim 1 or 2, wherein the four sides of the anti-blocking cover (12) are all in a net shape to ensure that the raw materials can be fed at multiple angles.

9. The feeding device for injection molding of the brush disc according to claim 1, wherein the jacking springs (15) are provided in plurality and evenly distributed on the bottom surface of the resisting plate (14), and the protective cylinders (16) are arranged on the bottom surface of the material storage tank (3) and the top surface of the supporting sheet (13).

10. A feeding device for injection molding of a brushing disc according to any one of claims 1-9, characterized in that the anti-clogging method of the feeding device is as follows:

the method comprises the following steps: firstly, the feeding operation of rubber granules is completed through an injection molding machine body (10), and the anti-blocking cover (12) screens the sizes of raw material granules during feeding;

step two: the raw materials are poured into the lower charging barrel (2), the material distribution amount of the material distribution mechanism (8) is adjusted according to the consumption amount of the single raw materials of the machined parts, and then the feeding auger (7) is driven by the servo motor I (5) to rotate to complete quantitative feeding operation;

step three: the raw materials are distributed by the distributing mechanism (8) and intermittent blanking is completed, and the blanking speed is controlled by the blanking auxiliary assembly (9) after blanking, so that the blockage of the raw materials and the waste of resources are well avoided.