CN218928447U

CN218928447U - Feeding device and injection molding equipment

Info

Publication number: CN218928447U
Application number: CN202223369223.4U
Authority: CN
Inventors: 伍德福; 李永超; 林传杰; 陆根柱; 余迎昌
Original assignee: Shanghai M&G Stationery Inc
Current assignee: Shanghai M&G Stationery Inc
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-04-28
Anticipated expiration: 2032-12-15

Abstract

The utility model provides a feeding device and injection molding equipment, and relates to the technical field of injection molding. The feeding device and the injection molding machine are independently arranged and arranged on the injection molding machine and used for providing auxiliary materials for the injection molding machine. The feeding device comprises a charging barrel, an air inlet pipe and a discharging mechanism, wherein the charging barrel is used for storing auxiliary materials, the charging barrel is provided with a charging hole, a discharging hole and an air inlet hole, the air inlet pipe is arranged on the charging barrel and communicated with the air inlet hole, and the air inlet pipe is configured to introduce air into the charging barrel, so that the auxiliary materials are downwards pressed from the charging hole to the discharging hole. The discharging mechanism is arranged on the charging barrel and communicated with the discharging hole, so that auxiliary materials are blown out from the discharging hole. The feeding device and the injection molding machine are independently arranged and arranged on the injection molding machine and are used for providing auxiliary materials for the injection molding machine, so that the auxiliary materials are mixed with dried injection molding materials, the problem that the auxiliary materials are melted in advance and mixed with the injection molding materials is solved, the auxiliary materials and the injection molding materials are separated for discharging, the phenomenon that the auxiliary materials are melted in advance and mixed with the unmelted injection molding materials to form uneven blocks is prevented, and the quality of a finished product is improved.

Description

Feeding device and injection molding equipment

Technical Field

The utility model relates to the technical field of injection molding, in particular to a feeding device and injection molding equipment.

Background

In the injection molding process of the existing injection molding machine, auxiliary materials such as demolding powder, color master batch and the like are required to be added into the main material, the demolding powder can enable a plastic product to be easily demolded during mold forming, and the color master batch is used for coloring the plastic product. During actual production, the injection molding machine is used for pouring raw materials of plastic particles into a mixing barrel, adding weighted auxiliary materials into the mixing barrel for stirring, and after the mixed raw materials are packed and thickly placed in a material preparation area, pulling the raw materials to a machine for feeding production.

Because plastic particles are used as raw materials, water is required to be dried at 70-90 ℃ in the process of feeding, after auxiliary materials and the plastic particles are mixed, if the auxiliary materials and the plastic particles are heated and dried in a charging basket at 70-90 ℃ and the temperature is circularly heated from bottom to top, however, the demolding powder is melted at 65 ℃, the demolding powder is non-uniform after being melted, or if the drying time and the temperature are reduced, the dehydration effect of the plastic particles is affected, and the quality problems such as material flowers, napping and the like of finished products are caused. In addition, the operator needs to carry auxiliary materials and mix with the main materials, and the labor intensity is high.

Disclosure of Invention

The feeding device and the injection molding equipment provided by the utility model have the advantages that the injection molding quality and the production efficiency are improved.

According to a first aspect of the present utility model, there is provided a feeding device provided independently of and on an injection molding machine for supplying auxiliary material to the injection molding machine to mix the auxiliary material with dried injection molding material, the feeding device comprising:

the charging barrel is used for storing auxiliary materials and is provided with a charging port, a discharging port and an air inlet;

the air inlet pipe is arranged on the charging barrel and communicated with the air inlet hole, and is configured to introduce air into the charging barrel so that the auxiliary materials are pressed down from the charging hole to the discharging hole;

the discharging mechanism is arranged in the charging barrel and communicated with the discharging hole, so that the auxiliary materials are blown out from the discharging hole.

In some of these embodiments, the outfeed mechanism comprises:

the discharging piece is arranged at the discharging hole and communicated with the discharging hole;

the discharging valve penetrates through the charging barrel and is arranged corresponding to the discharging hole and the discharging piece, and the discharging valve is configured to adjust the blowing amount and is used for controlling the discharging amount of the auxiliary materials discharged from the discharging piece.

In some of these embodiments, the outfeed member comprises:

the mounting part is detachably connected with the discharge port;

and one end of the storage part is connected with the mounting part, and the other end of the storage part is provided with a discharge hole.

In some of these embodiments, the discharge valve comprises:

the gun needle is provided with an air inlet at one end and an air outlet at the other end, and the air outlet, the discharge hole and the discharge piece are coaxially arranged and communicated with each other;

and the valve is arranged on the gun needle and used for controlling the blowing amount of the exhaust port.

In some embodiments, the edge of the exhaust port is provided with a guiding surface for guiding the auxiliary material.

In some of these embodiments, the outfeed mechanism further comprises a fixed support comprising:

the first fixing ring is arranged in the discharge hole;

the second fixing ring is arranged in the first fixing ring and is used for bearing the gun needle;

and the circulating part is arranged between the first fixing ring and the second fixing ring, so that the auxiliary materials positioned at the discharge hole flow into the discharge piece through the circulating part.

In some of these embodiments, the outfeed mechanism further comprises:

and the oil-water separator is communicated with the air inlet of the gun needle and is used for separating gas from liquid of the gas.

In some embodiments, the feeding device further comprises:

the air regulating valve is provided with a first air outlet and a second air outlet, the first air outlet is communicated with the air inlet pipe, the second air outlet is communicated with the discharging mechanism, and the air regulating valve is used for regulating the air outlet quantity of the first air outlet and the second air outlet;

and the electromagnetic valve is used for receiving the mold opening signal of the injection molding machine and controlling the opening and closing of the air regulating valve.

In some embodiments, the feeding device further comprises:

the charging barrel is detachably connected to the bracket;

the charging barrel is provided with a mounting hole, and the mounting hole is used for mounting the pressure gauge;

and the signal lamp is arranged on the bracket and used for alarming.

According to a second aspect of the present utility model, an embodiment of the present utility model further provides an injection molding apparatus, including an injection molding machine and the feeding device described above, where the feeding device is separately disposed with the injection molding machine and disposed on the injection molding machine, and the feeding device is configured to provide auxiliary materials for the injection molding machine, so that the auxiliary materials are mixed with the dried injection molding material.

One embodiment of the present utility model has the following advantages or benefits:

according to the feeding device provided by the embodiment of the utility model, the feeding barrel is provided with the feeding hole and the discharging hole, the feeding hole is used for adding auxiliary materials, the discharging hole is used for discharging the auxiliary materials, the air inlet pipe is arranged on the feeding barrel and communicated with the air inlet hole, and the air inlet pipe is used for introducing air into the feeding barrel so as to apply certain pressure to the feeding barrel, so that the auxiliary materials are pressed down to the discharging hole from the feeding hole. The discharging mechanism is arranged on the charging barrel and communicated with the discharging hole, so that auxiliary materials are blown out from the discharging hole and used for discharging and discharging the auxiliary materials. The feeding device and the injection molding machine are independently arranged and arranged on the injection molding machine and are used for providing auxiliary materials for the injection molding machine, so that the auxiliary materials are mixed with dried injection molding materials, the problem that the auxiliary materials are melted in advance and mixed with the injection molding materials is solved, the auxiliary materials and the injection molding materials are separated for discharging, the phenomenon that the auxiliary materials are melted in advance and mixed with the unmelted injection molding materials to form uneven blocks is prevented, and the quality of a finished product is improved.

According to the injection molding device provided by the embodiment of the utility model, when the main material is placed in the machine table of the injection molding machine, the demolding powder is used as the auxiliary material, the auxiliary material is added into the charging barrel of the feeding device, and injection molding finished products of different types are produced, and the injection molding device is used for testing the addition amount of the demolding powder and the reject ratio of the finished products, so that the actual addition amount of the demolding powder meets the standard, the operation procedure is simplified, the transfer field and operators in the material preparation area are reduced, the reject ratio of the injection molding finished products is reduced, and the quality of the injection molding finished products is improved.

Drawings

For a better understanding of the utility model, reference may be made to the embodiments illustrated in the following drawings. The components in the drawings are not necessarily to scale and related elements may be omitted in order to emphasize and clearly illustrate the technical features of the present utility model. In addition, the relevant elements or components may have different arrangements as known in the art. Furthermore, in the drawings, like reference numerals designate identical or similar parts throughout the several views. The above and other features and advantages of the present utility model will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.

Wherein:

FIG. 1 shows a schematic diagram of a feeding device according to an embodiment of the present utility model;

FIG. 2 is a schematic view showing the structure of a bracket in a feeding device according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram showing the structure of a signal lamp in a feeding device according to an embodiment of the present utility model;

FIG. 4 is a schematic view showing the structure of a solenoid valve in a feeding device according to an embodiment of the present utility model;

FIG. 5 is a schematic view showing the structure of an air regulating valve in a feeding device according to an embodiment of the present utility model;

FIG. 6 is a schematic view showing a structure of a cartridge in a feeding device according to an embodiment of the present utility model;

FIG. 7 is a schematic view showing a structure of a feed device with a cover plate removed from a feed cylinder according to an embodiment of the utility model;

FIG. 8 is a schematic diagram showing the cooperation of a discharge member and a discharge valve in a feeding device according to an embodiment of the present utility model;

FIG. 9 is a schematic view showing a structure of a discharging member in a feeding device according to an embodiment of the present utility model;

FIG. 10 shows a second schematic view of the structure of the discharge member of the feeding device according to an embodiment of the present utility model;

FIG. 11 is a schematic view showing the structure of a discharge valve in a feeding device according to an embodiment of the present utility model;

FIG. 12 is a schematic view showing the structure of a guide surface of a discharge valve of a feeding device according to an embodiment of the present utility model;

FIG. 13 is a schematic view showing the structure of a fixing bracket in a feeding device according to an embodiment of the present utility model;

FIG. 14 is a schematic view showing the structure of an oil-water separator in a feeding device according to an embodiment of the present utility model;

wherein reference numerals are as follows:

1. a charging barrel; 2. an air inlet pipe; 3. a discharging mechanism; 4. an air-conditioning valve; 5. an electromagnetic valve; 6. a bracket; 7. a pressure gauge; 8. a signal lamp;

11. a feed inlet; 12. a discharge port; 13. an air inlet hole; 14. a cover plate; 15. a locking handle; 16. a mounting hole; 17. an air port; 18. a mounting member;

31. a discharging piece; 311. a mounting part; 312. a stock part; 313. a discharge port;

32. a discharge valve; 321. a gun needle; 3211. an air inlet; 3212. an exhaust port; 3213. a guide surface; 322. a valve;

33. a fixed bracket; 331. a first fixing ring; 332. a second fixing ring; 333. a flow-through section;

34. an oil-water separator; 341. a body; 342. a pressure adjusting member; 343. a pressure monitoring control; 344. an inlet; 345. an outlet; 346. a water outlet;

41. a first air outlet; 42. a second air outlet; 43. an adjustment knob; 44. a fixing hole;

61. a fixing bump; 62. and a mounting area.

Detailed Description

The technical solutions in the exemplary embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the exemplary embodiments of the present utility model. The example embodiments described herein are for illustrative purposes only and are not intended to limit the scope of the present utility model, and it should be understood that various modifications and changes can be made to the example embodiments without departing from the scope of the utility model.

In the description of the present utility model, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance unless explicitly specified or limited otherwise; the term "plurality" refers to two or more than two; the term "and/or" includes any and all combinations of one or more of the associated listed items. In particular, references to "the/the" object or "an" object are likewise intended to mean one of a possible plurality of such objects.

Unless specified or indicated otherwise, the terms "connected," "fixed," and the like are to be construed broadly and are, for example, capable of being fixedly connected, detachably connected, or integrally connected, electrically connected, or signally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.

Further, in the description of the present utility model, it should be understood that the terms "upper", "lower", "inner", "outer", and the like in the exemplary embodiments of the present utility model are described in terms of the drawings, and should not be construed as limiting the exemplary embodiments of the present utility model. It will also be understood that in the context of an element or feature being connected to another element(s) "upper," "lower," or "inner," "outer," it can be directly connected to the other element(s) "upper," "lower," or "inner," "outer," or indirectly connected to the other element(s) "upper," "lower," or "inner," "outer" via intervening elements.

Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments can be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus detailed descriptions thereof will be omitted.

The embodiment provides a feeding device, and the feeding device is independently arranged with the injection molding machine and arranged on the injection molding machine and is used for providing auxiliary materials for the injection molding machine. It will be appreciated that the number of feeding means may be plural, for example, two feeding means may be provided independently, the two feeding means being for feeding the stripping powder and the masterbatch, respectively.

As shown in fig. 1, the feeding device comprises a charging barrel 1, an air inlet pipe 2 and a discharging mechanism 3, wherein the charging barrel 1 is used for storing auxiliary materials, the charging barrel 1 is provided with a charging opening 11, a discharging opening 12 and an air inlet hole 13, the air inlet pipe 2 is arranged on the charging barrel 1 and is communicated with the air inlet hole 13, and the air inlet pipe 2 is configured to introduce air into the charging barrel 1 so that the auxiliary materials are downwards pressed from the charging opening 11 to the discharging opening 12. The discharging mechanism 3 is arranged on the charging barrel 1 and communicated with the discharging hole 12, so that auxiliary materials are blown out from the discharging hole 12. Wherein the adjuvant has melting point lower than 70deg.C and particle size of 16mm ³ All injection molding additives within include, but are not limited to, release powders, color concentrates, and the like.

The feeding device provided by this embodiment, feed cylinder 1 is provided with pan feeding mouth 11, discharge gate 12, and pan feeding mouth 11 is used for adding the auxiliary material, and discharge gate 12 is used for the emission of auxiliary material, and intake pipe 2 sets up in feed cylinder 1 and communicates with inlet port 13, and intake pipe 2 lets in gas to feed cylinder 1 to apply certain pressure for feed cylinder 1, make the auxiliary material push down to discharge gate 12 from pan feeding mouth 11. The discharging mechanism 3 is arranged on the charging barrel 1 and is communicated with the discharging hole 12, so that auxiliary materials are blown out from the discharging hole 12 and used for discharging and discharging the auxiliary materials. The feeding device and the injection molding machine are independently arranged and arranged on the injection molding machine and are used for providing auxiliary materials for the injection molding machine, so that the auxiliary materials are mixed with dried injection molding materials, the problem that the auxiliary materials are melted in advance and mixed with the injection molding materials is solved, the auxiliary materials and the injection molding materials are separated for discharging, the phenomenon that the auxiliary materials are melted in advance and mixed with the unmelted injection molding materials to form uneven blocks is prevented, and the quality of a finished product is improved.

In one embodiment, as shown in fig. 1-3, the feeding device further comprises a support 6, a pressure gauge 7 and a signal lamp 8, the support 6 serving as a load bearing and support. The cartridge 1 is detachably connected to the support 6, specifically, the support 6 is provided with a fixing protrusion 61 (as shown in fig. 2), the side wall of the cartridge 1 is provided with a mounting member 18, the mounting member 18 is provided with a mounting groove (as shown in fig. 6), and the fixing protrusion 61 is detachably inserted into the mounting groove for mounting and fixing the cartridge 1. The mounting area 62 is provided on the bracket 6, and the signal lamp 8 is provided on the mounting area 62 of the bracket 6. The pressure gauge 7 is disposed in the barrel 1 and is used for monitoring the pressure in the barrel 1. If the pressure gauge 7 detects that the charging barrel 1 is free of materials or abnormal in discharging or the pressure in the charging barrel 1 is abnormal, the signal lamp 8 can give an alarm indication.

In one embodiment, as shown in fig. 1, 4 and 5, the feeding device further comprises an air conditioning valve 4 and a solenoid valve 5, wherein the solenoid valve 5 is used for receiving a mold opening signal of the injection molding machine and controlling the opening and closing of the air conditioning valve 4. The air pressure released during die opening is used as a feeding driving source of the feeding device, a power device is not required to be additionally arranged, the traditional material mixing equipment is omitted, and the production cost of power energy consumption, occupied site and the like is reduced.

Wherein, air regulating valve 4 is provided with first gas outlet 41 and second gas outlet 42, and first gas outlet 41 communicates with intake pipe 2, and second gas outlet 42 communicates with discharge mechanism 3, and air regulating valve 4 is used for adjusting the air output of first gas outlet 41 and second gas outlet 42.

Specifically, the air-conditioning valve 4 is provided with an adjusting knob 43, which is screwed by screwing, performs gear switching, and is used for adjusting the magnitude of the air-outlet amount. The air-conditioning valve 4 is provided with a fixing hole 44, and a tie is passed through the fixing hole 44 and wound around the bracket 6 for fixing the air-conditioning valve 4.

In one embodiment, as shown in fig. 6-7, the cartridge 1 includes a storage portion, the storage portion has a shape similar to a cylindrical structure, and the feed inlet 11 of the cartridge 1 is disposed at the top of the storage portion, so that a large amount of auxiliary materials can be conveniently placed in the cartridge 1 through the feed inlet 11. The top of the storage part is rotatably connected with a cover plate 14, and the cover plate 14 can be selectively plugged in the feed inlet 11 to prevent dust from falling into the feed cylinder 1. A locking handle 15 is arranged on the cover plate 14, and the locking handle 15 can be rotated clockwise by 90 degrees for locking.

An air inlet hole 13 is arranged at the middle lower part of the storage part, the air inlet hole 13 is communicated with the air inlet pipe 2 and is used for introducing air into the charging barrel 1 so as to apply certain pressure into the charging barrel 1 and ensure that auxiliary materials can smoothly reach the discharge hole 12. The storage part is provided with mounting holes 16, the mounting holes 16 are used for mounting a pressure gauge 7, and the pressure gauge 7 is used for monitoring the actual pressure in the charging barrel 1.

The feed cylinder 1 still includes the unloading portion, and the unloading position is located the below of storage portion, and the appearance of unloading portion is similar to the toper structure, and the big mouth end of unloading portion is linked together with the bottom of storage portion, and the slope inner wall of toper structure plays the effect of auxiliary material direction to make auxiliary material free fall and assemble to the osculum end. Two opposite sides of the small opening end of the blanking part are respectively provided with a discharge opening 12 and an air opening 17 which are mutually communicated, the discharge mechanism 3 is communicated with the air opening 17 and the discharge opening 12, and the discharge mechanism 3 blows air to the discharge opening 12 through the air opening 17, so that auxiliary materials can be conveniently and smoothly discharged from the discharge opening 12.

In one embodiment, as shown in fig. 1 and 8, the discharging mechanism 3 includes a discharging member 31 and a discharging valve 32, the discharging member 31 is disposed at the discharging port 12 and is communicated with the discharging member, the discharging valve 32 is disposed through the charging barrel 1 and is disposed corresponding to the discharging port 12 and the discharging member 31, and the discharging valve 32 is configured to adjust the air blowing amount for controlling the discharging amount of the auxiliary material discharged from the discharging member 31.

One end of the discharge valve 32 is communicated with the second air outlet 42 of the air regulating valve 4, the other end of the discharge valve 32 is communicated with the air port 17 of the charging barrel 1, and the discharge valve 32 can also regulate the air blowing amount while blowing air to the discharge port 12 of the charging barrel 1 so as to achieve the purpose of regulating the discharge amount of auxiliary materials. The discharge valve 32 corresponds to the discharge port 12 and the discharge piece 31, the discharge piece 31 is arranged at the discharge port 12 and communicated with the discharge port, and auxiliary materials in the discharge port 12 can be blown into the discharge piece 31 to be discharged under the blowing action of the discharge valve 32.

In one embodiment, as shown in fig. 8 to 10, the discharging member 31 includes a mounting portion 311 and a stock portion 312, the mounting portion 311 is detachably connected to the discharging port 12, one end of the stock portion 312 is connected to the mounting portion 311, and the other end is provided with a discharge port 313.

Wherein, the inner wall of installation department 311 is provided with the internal thread, and the outer wall of discharge gate 12 is provided with the external screw thread, and internal screw thread threaded connection is in the external screw thread, the installation and the dismantlement of the discharge gate 12 of the discharge piece 31 of being convenient for and feed cylinder 1. The storage part 312 is protruded on the mounting part 311 in a direction away from the discharge port 12, and the storage part 312 is used for temporarily storing the auxiliary materials flowing out from the discharge port 12 and plays a role of temporarily storing the auxiliary materials.

In one embodiment, as shown in fig. 8 and 11, the discharge valve 32 includes a gun needle 321 and a valve 322, one end of the gun needle 321 is provided with an air inlet 3211, the other end is provided with an air outlet 3212, and the air outlet 3212 is coaxially arranged with and mutually communicated with the discharge port 12 and the discharge member 31. The valve 322 is disposed on the needle 321 for controlling the amount of air blown from the air outlet 3212.

The air inlet 3211 of the gun needle 321 is communicated with the second air outlet 42 of the air regulating valve 4, and is used for allowing air to enter the gun needle 321 through the air inlet 3211, and the air outlet 3212 of the gun needle 321 is arranged in the discharge port 12 and is coaxially arranged with the discharge member 31, so as to blow auxiliary materials in the discharge port 12 into the discharge member 31. The gun needle 321 is provided with a valve 322, and the valve 322 can control the blowing amount of the exhaust port 3212, thereby realizing quantitative discharging.

In one embodiment, as shown in fig. 11-12, the edge of the exhaust port 3212 is provided with a guiding surface 3213 for guiding the auxiliary material. Specifically, the edges of the exhaust ports 3212 may be chamfered to form guide surfaces 3213, so that the auxiliary material may slide through the guide surfaces 3213 to prevent the edges of the auxiliary material exhaust ports 3212 from piling up.

In one embodiment, as shown in fig. 8 and 13, the discharging mechanism 3 further includes a fixing support 33, where the fixing support 33 includes a first fixing ring 331, a second fixing ring 332, and a circulation portion 333, the first fixing ring 331 is disposed in the discharging hole 12, the second fixing ring 332 is disposed in the first fixing ring 331 and is used for carrying the gun needle 321, and the circulation portion 333 is disposed between the first fixing ring 331 and the second fixing ring 332, so that the auxiliary material located in the discharging hole 12 flows into the discharging piece 31 through the circulation portion 333.

The first fixing ring 331 is arranged in the discharge hole 12 to integrally fix the fixing bracket 33 in the discharge hole 12 of the charging barrel 1. The second fixing ring 332 is disposed in the first fixing ring 331, and the gun needle 321 is disposed through the second fixing ring 332, so as to perform the function of bearing and fixing the gun needle 321. A plurality of partition plates are arranged between the first fixing ring 331 and the second fixing ring 332, and a circulation part 333 is formed between two adjacent partition plates for circulation of auxiliary materials, so that the auxiliary materials positioned at the discharge port 12 flow into the storage part of the discharge member 31 through the circulation part 333.

In one embodiment, as shown in fig. 1 and 14, the discharging mechanism 3 further includes an oil-water separator 34, and the oil-water separator 34 is communicated with the air inlet 3211 of the gun needle 321 for gas-liquid separation of the gas.

Specifically, the oil-water separator 34 includes a body 341, a pressure adjusting member 342, and a pressure monitoring member 343, wherein an inlet 344 and an outlet 345 are respectively disposed at two ends of the body 341, the inlet 344 is used for introducing gas, and the outlet 345 is communicated with an air inlet 3211 of the gun needle 321 for introducing gas into the gun needle 321. A pressure monitoring control 343 is provided in the body 341 for monitoring the air pressure in the body 341. A pressure adjusting member 342 is provided in the body 341 for adjusting the air pressure in the body 341. A drain 346 is provided at the bottom of the body 341, and the liquid separated by the gas after passing through the body 341 is discharged through the drain 346.

The embodiment also provides injection molding equipment, including injection molding machine and foretell feedway, feedway and injection molding machine independently set up and set up on the injection molding machine, and feedway is used for providing the auxiliary material for the injection molding machine, makes auxiliary material and the injection molding material mixture after the stoving.

According to the injection molding equipment provided by the embodiment, the feeding device is additionally arranged on the injection molding machine, the auxiliary materials and the injection molding materials are separated for discharging, the phenomenon that the auxiliary materials are melted in advance and the injection molding materials are not melted to be mixed and agglomerated unevenly is prevented, the defect of products generated by a material mixing process is thoroughly solved, the automation degree of the feeding device is high, the production efficiency is improved, and the carrying workload and the labor intensity of operators are reduced.

When the injection molding machine is opened, the injection molding machine gives a signal to the electromagnetic valve 5 through an opening signal, so that the air regulating valve 4 is controlled, and auxiliary materials in the charging barrel 1 are automatically sent to a discharging opening of the injection molding machine through a discharging opening 12 by using compressed air. The adding amount of auxiliary materials is calculated according to the weight of the product, and when the mold opening of the injection molding machine is detected, the auxiliary materials are automatically added by the feeding device for one time.

The assembly process of the injection molding equipment provided by the embodiment is as follows:

1. the gun needle 321 of the discharge valve 32 is inserted from the air port 17 of the charging barrel 1;

2. a fixed bracket 33 is arranged at the discharge port 12 of the charging barrel 1, and a gun needle 321 of the discharge valve 32 passes through a second fixed ring 332 of the fixed bracket 33, so that the gun needle 321 of the discharge valve 32 and the discharge port 12 of the charging barrel 1 are coaxially arranged;

3. the discharging piece 31 is locked and fixed at the discharging hole 12 of the charging barrel 1 by a spanner, so that the fixed support 33 is fixed at the discharging hole 12 of the charging barrel 1, the fixed support 33 is prevented from loosening and falling off, and the discharging hole 313 of the discharging piece 31, the discharging hole 12 of the charging barrel 1 and the air outlet 3212 of the gun needle 321 are coaxially arranged. Mounting the pressure gauge 7 and the signal lamp 8 to the mounting hole 16 of the charging barrel 1 and the mounting area 62 of the bracket 6 respectively;

4. the air-conditioning valve 4 and the electromagnetic valve 5 are fixed on the bracket 6 through a rolling belt, and the fixing lug 61 of the bracket 6 is inserted into the mounting groove of the charging barrel 1 for mounting and fixing the charging barrel 1;

5. fixing the bracket 6 on an injection molding machine;

6. the die opening blowing system of the injection molding machine is connected with an electromagnetic valve 5, the electromagnetic valve 5 is connected with an air regulating valve 4, a first air outlet 41 of the air regulating valve 4 is communicated with an air inlet hole 13 of an air inlet pipe 2, a second air outlet 42 is communicated with an oil-water separator 34 of a discharging mechanism 3, an outlet 345 of the oil-water separator 34 is communicated with an air inlet 3211 of a gun needle 321, and air is introduced into the gun needle 321;

7. the discharge opening 313 of the discharge member 31 communicates with the discharge opening of the injection molding machine.

The working process of the injection molding equipment provided by the embodiment;

when the injection molding machine opens the mold, the injection molding machine gives a signal to the electromagnetic valve 5 through an opening signal, the air regulating valve 4 is controlled, and the air is generated by utilizing the air pressure released during the mold opening and reaches the air regulating valve 4 respectively;

after auxiliary materials are added into the charging barrel 1 from the charging opening 11 of the charging barrel 1, the cover plate 14 is covered, the locking handle 15 is rotated clockwise for 90 degrees to lock, the air regulating valve 4 controls the air outlet amount, wherein a part of air applies a certain amount of pressure into the charging barrel 1 through the air inlet hole 13 of the charging barrel 1, and the quantitative auxiliary materials are ensured to be discharged to the discharging opening 12 of the charging barrel 1 in a self-flowing mode;

the air regulating valve 4 controls the air outlet amount, and the other part of the air enters the oil-water separator 34, so that the oil-water separator 34 can dry and purify the air;

opening a valve 322 of the discharge valve 32, wherein the dried gas enters from an air inlet 3211 of the gun needle 321 and blows auxiliary materials from an air outlet 3212, so that the blown auxiliary materials quantitatively flow into the storage part 312 of the discharge member 31 through a flow part 333 of the fixed bracket 33;

the auxiliary materials are mixed with the injection molding materials and heated to melt in a feeding opening of the injection molding machine through a path formed by the air pipe.

According to the injection molding device provided by the embodiment, after the main material is placed into the machine table of the injection molding machine, the demolding powder is used as the auxiliary material, the auxiliary material is added into the charging barrel 1 of the feeding device, injection molding finished products of different types are produced, the addition amount of the demolding powder and the reject ratio of the finished products are used for testing, the actual addition amount of the demolding powder can be obtained to meet the standard, the operation procedure is simplified, the transfer field and operators in the material preparation area are reduced, the reject ratio of the injection molding finished products is reduced, and the quality of the injection molding finished products is improved.

It should be noted here that the feeding device shown in the drawings and described in this specification is only one example of the principle of the utility model. It will be clearly understood by those of ordinary skill in the art that the principles of the present utility model are not limited to any details or any components of the devices shown in the drawings or described in the specification.

It should be understood that the utility model is not limited in its application to the details of construction and the arrangement of components set forth in the specification. The utility model is capable of other embodiments and of being practiced and carried out in various ways. The foregoing variations and modifications are intended to fall within the scope of the present utility model. It should be understood that the utility model disclosed and defined in this specification extends to all alternative combinations of two or more of the individual features mentioned or evident from the text and/or drawings. All of these different combinations constitute various alternative aspects of the present utility model. The embodiments described in this specification illustrate the best mode known for carrying out the utility model and will enable those skilled in the art to make and use the utility model.

Other embodiments of the utility model will be apparent to those skilled in the art from consideration of the specification and practice of the utility model disclosed herein. This utility model is intended to cover any variations, uses, or adaptations of the utility model following, in general, the principles of the utility model and including such departures from the present disclosure as come within known or customary practice within the art to which the utility model pertains. The specification and example embodiments are to be considered exemplary only, with a true scope and spirit of the utility model being indicated by the following claims.

It is to be understood that the utility model is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the utility model is limited only by the appended claims.

Claims

1. The utility model provides a feedway, its characterized in that, feedway and injection molding machine set up independently and set up in on the injection molding machine, be used for the injection molding machine provides the auxiliary material, makes auxiliary material and the injection molding material mixture after the stoving, feedway includes:

2. The feeding device of claim 1, wherein the discharging mechanism comprises:

3. The feeding device of claim 2, wherein the outfeed member comprises:

the mounting part is detachably connected with the discharge port;

4. The feeding device of claim 2, wherein the discharge valve comprises:

5. The feeding device as claimed in claim 4, characterized in that the edge of the exhaust opening is provided with a guiding surface for guiding the auxiliary material.

6. The feed device of claim 4, wherein the discharge mechanism further comprises a stationary support comprising:

the first fixing ring is arranged in the discharge hole;

7. The feed device of claim 4, wherein the discharge mechanism further comprises:

8. The feeding device of claim 1, wherein the feeding device further comprises:

9. The feeding device of claim 1, wherein the feeding device further comprises:

the charging barrel is detachably connected to the bracket;

and the signal lamp is arranged on the bracket and used for alarming.

10. An injection molding apparatus comprising an injection molding machine and the feeding device of any one of claims 1-9, the feeding device being disposed independently of the injection molding machine and on the injection molding machine, the feeding device being configured to provide auxiliary material to the injection molding machine to mix the auxiliary material with the dried injection molding material.