CN211334436U - Injection molding machine screw rod barrel assembly - Google Patents

Abstract

The utility model discloses an injection molding machine screw rod barrel subassembly, including the barrel, the inner wall fixedly connected with barrel bush of barrel, and the inside right side fixedly connected with drive arrangement of barrel, the inside of barrel bush is provided with outer screw rod, the utility model relates to an injection molding machine technical field. This injection molding machine screw rod barrel subassembly, inside through at outer screw rod sets up interior screw rod, utilize interior screw rod to absorb the heat and come to provide heat energy and improve outer screw rod's revolving force for outer screw rod, increase polymer and barrel bush and outer screw rod clearance department take place the interface and shear and produce huge internal friction heat, realize the high-efficient melting of polymer, then utilize the cylinder pole at the intraductal rotation of cylinder, make silo one side and slot one side intercommunication, make the material pass through in the silo gets into the feed cylinder, owing to be equipped with feed divider mechanism, consequently, the latency of mechanism can be moulded plastics to effectual reduction, can increase substantially the work efficiency of injection molding machine, reduce the energy consumption.

Description

Injection molding machine screw rod barrel assembly

Technical Field

The utility model relates to an injection molding machine technical field specifically is an injection molding machine screw rod barrel subassembly.

Background

The molding machine is also known as an injection molding machine or an injection machine. It is a main forming equipment for making various shaped plastic products from thermoplastic plastics or thermosetting plastics by using plastic forming mould. The device is divided into a vertical type, a horizontal type and a full-electric type. The injection molding machine can heat the plastic, apply high pressure to the molten plastic, and inject it to fill the mold cavity. The injection moulding machine is similar to the injection syringe for injection, and is a technological process in which the plasticized plastic in a molten state (i.e. viscous state) is injected into a closed mould cavity by means of the thrust of a screw (or a plunger), and the product is obtained after solidification and shaping. Injection molding is a cyclic process, each cycle consisting essentially of: quantitative feeding, melting and plasticizing, pressure injection, mold filling and cooling, mold opening and part taking. And taking out the plastic part, closing the mold again, and performing the next cycle.

The existing injection molding machine screw barrel component is mainly characterized in that an injection molding mechanism of the existing injection molding machine screw barrel component adopts an independent extrusion mechanism for extrusion injection molding, so that the injection molding can be carried out only once in one working period, the working efficiency is low, the screw barrel component adopts a single-screw structure, the heat energy generated by a single screw is small, the polymer melting state is poor, and the extruded material is not uniform.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an injection molding machine screw rod barrel subassembly has solved current injection molding machine screw rod barrel subassembly, and a duty cycle can only once mould plastics to screw rod barrel subassembly adopts single screw rod structure, and the heat energy of production is less, the relatively poor problem of polymer molten state.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a screw barrel component of an injection molding machine comprises a barrel, wherein a barrel bushing is fixedly connected to the inner wall of the barrel, a driving device is fixedly connected to the right side of the inner part of the barrel, an outer screw rod is arranged in the barrel bushing, a square groove is formed in the outer screw rod, an inner screw rod is arranged in the square groove, a shell is fixedly connected to the left side of the barrel, an extrusion groove is formed in the shell, a feeding shell is fixedly connected to the bottom of the shell, a connecting groove is formed in the middle of the inner part of the feeding shell, thin grooves are formed in two sides of the inner part of the feeding shell, the two thin grooves are communicated with the connecting groove, a connecting pipe is communicated with the top of the connecting groove, the top end of the connecting pipe penetrates through the feeding shell and extends to the outer part of the feeding shell, the top end of the connecting pipe is communicated with, the internal surface swing joint of cylinder pipe has the cylinder pole, and one side of cylinder pole has seted up the silo, the top of cylinder pole runs through the feeding shell and extends to the outside of feeding shell, the both sides of feeding shell bottom all are provided with the feed cylinder, the bottom of cylinder pole runs through feeding shell and feed cylinder in proper order and extends to the inside of feed cylinder.

Preferably, the number of the fine grooves is multiple, and the fine grooves are uniformly distributed in the feeding shell and positioned on the outer surface of the square groove.

Preferably, both sides of the outer surface of the cylindrical rod are fixedly connected with sliding plugs, and the outer surfaces of the two sliding plugs are rotatably connected with the inner surface of the cylindrical pipe.

Preferably, an extrusion rod is slidably connected to the inner surface of the extrusion groove, and the top end of the extrusion rod penetrates through the shell and extends to the outside of the shell.

Preferably, the number of the charging barrels is provided with a plurality of charging barrels, and the charging barrels are uniformly distributed below the feeding shell.

Preferably, one side at the top of the machine barrel is fixedly connected with a fixed seat, and the top of the fixed seat is fixedly connected with a feeding pipe.

Preferably, the bottom end of the feeding pipe penetrates through the fixed seat and the machine barrel in sequence and extends to the interior of the machine barrel, and the top end of the feeding pipe is communicated with a feeding funnel.

Preferably, the upper side and the lower side of the interior of the machine barrel bushing are fixedly connected with first water pipes, the front side and the rear side of the interior of the machine barrel bushing are fixedly connected with second water pipes, and the first water pipes are communicated with the second water pipes through annular pipes.

Preferably, the bottom of the machine barrel is fixedly connected with a water tank, the left side of the water tank is communicated with a water inlet pipe, the right side of the water tank is communicated with a water outlet pipe, and the surface of the water tank is communicated with a water through pipe.

Preferably, one end of each of the water inlet pipe and the water outlet pipe penetrates through the machine barrel bushing and extends into the machine barrel bushing, one end of the water inlet pipe is communicated with the surface of the first water pipe, and one end of the water outlet pipe is communicated with the surface of the second water pipe.

(III) advantageous effects

The utility model provides an injection molding machine screw rod barrel subassembly. Compared with the prior art, the method has the following beneficial effects:

(1) the injection molding machine screw machine barrel component is characterized in that a square groove is formed in an outer screw, an inner screw is arranged in the square groove, a shell is fixedly connected to the left side of the machine barrel, an extrusion groove is formed in the shell, a feeding shell is fixedly connected to the bottom of the shell, a connecting groove is formed in the middle of the inner part of the feeding shell, fine grooves are formed in two sides of the inner part of the feeding shell, the two fine grooves are communicated with the connecting groove, the top of the connecting groove is communicated with a connecting pipe, the top end of the connecting pipe penetrates through the feeding shell and extends to the outer part of the feeding shell, the top end of the connecting pipe is communicated with the bottom of the extrusion groove, a cylindrical pipe is arranged on one side of the inner surface of each fine groove, a cylindrical rod is movably connected to the inner surface of the cylindrical pipe, a trough is formed in one side of the cylindrical rod, the top end of the cylindrical rod penetrates through the feeding, through the inside at outer screw rod sets up interior screw rod, utilize interior screw rod absorbed heat to provide heat energy and improve outer screw rod's revolving force for outer screw rod, increase polymer and barrel bush and outer screw rod clearance department take place the interface and shear and produce huge internal friction heat, realize the high efficiency melting of polymer, then utilize the cylinder pole at the intraductal rotation of cylinder, make silo one side and slot one side intercommunication, make the material pass through in the silo gets into the feed cylinder, owing to be equipped with feed divider mechanism, consequently can effectual reduction mechanism's latency of moulding plastics, compare with current ordinary mechanism of moulding plastics, can increase substantially the work efficiency of injection molding machine, reduce the energy consumption.

(2) This injection molding machine screw rod barrel subassembly, through the equal fixedly connected with sliding plug in the both sides of cylinder pole surface, the surface of two sliding plugs all is connected with the internal surface rotation of cylinder pipe, and the internal surface sliding connection who extrudes the groove has the extrusion pole, and the top of extrusion pole runs through the casing and extends to the outside of casing, sets up sliding plug through the surface at the cylinder pole, can strengthen its leakproofness, sets up the extrusion pole, can conveniently extrude the material, and work efficiency is high.

(3) This injection molding machine screw rod barrel subassembly, through the one side fixedly connected with fixing base at the barrel top, the top fixedly connected with inlet pipe of fixing base, the bottom of inlet pipe runs through fixing base and barrel in proper order and extends to the inside of barrel, and the top intercommunication of inlet pipe has feed hopper, through setting up the fixing base, is used for strengthening the stability of inlet pipe, sets up feed hopper, can increase the feeding area.

(4) The injection molding machine screw rod machine barrel component is characterized in that first water pipes are fixedly connected to the upper side and the lower side inside a machine barrel lining, second water pipes are fixedly connected to the front side and the rear side inside the machine barrel lining, the first water pipes are communicated with the second water pipes through annular pipes, a water tank is fixedly connected to the bottom of the machine barrel, a water inlet pipe is communicated with the left side of the water tank, a water outlet pipe is communicated with the right side of the water tank, a water through pipe is communicated with the surface of the water tank, one ends of the water inlet pipe and the water outlet pipe penetrate through the machine barrel lining and extend into the machine barrel lining, one end of the water inlet pipe is communicated with the surface of the first water pipe, one end of the water outlet pipe is communicated with the surface of the second water pipe, the first water pipe and the second water pipe are arranged inside the machine barrel lining, the water tank is matched, water circulation, effectively reduces the residue and adhesion of the polymer in the cylinder liner.

Drawings

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

FIG. 2 is a front view of the internal structure of the outer screw rod of the present invention;

FIG. 3 is a side view of the internal structure of the feeder shell of the present invention;

FIG. 4 is a top view of the inner structure of the feeding shell of the present invention;

fig. 5 is a partial top view of the present invention;

fig. 6 is a side view of the internal structure of the barrel liner of the present invention.

In the figure, 1-machine barrel, 2-machine barrel bush, 3-driving device, 4-external screw rod, 5-square groove, 6-internal screw rod, 7-shell, 8-extrusion groove, 9-feeding shell, 10-thin groove, 11-connecting pipe, 12-cylindrical pipe, 13-cylindrical rod, 14-trough, 15-material barrel, 16-sliding plug, 17-extrusion rod, 18-fixed seat, 19-feeding pipe, 20-feeding funnel, 21-first water pipe, 22-second water pipe, 23-annular pipe, 24-water tank, 25-water inlet pipe, 26-water outlet pipe, 27-water pipe and 28-connecting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, an embodiment of the present invention provides a technical solution: a screw machine barrel component of an injection molding machine comprises a machine barrel 1, a water tank 24 is fixedly connected to the bottom of the machine barrel 1, a water inlet pipe 25 is communicated with the left side of the water tank 24, a water outlet pipe 26 is communicated with the right side of the water tank 24, one ends of the water inlet pipe 25 and the water outlet pipe 26 penetrate through a machine barrel lining 2 and extend into the machine barrel lining 2, one end of the water inlet pipe 25 is communicated with the surface of a first water pipe 21, one end of the water outlet pipe 26 is communicated with the surface of a second water pipe 22, a water through pipe 27 is communicated with the surface of the water tank 24, the water through pipe 27 is connected with an external water pipe, a fixed seat 18 is fixedly connected to one side of the top of the machine barrel 1, a feed pipe 19 is fixedly connected to the top of the fixed seat 18, the bottom end of the feed pipe 19 sequentially penetrates through the fixed seat 18, the first water pipe 21 and the second water pipe 22 are arranged in the barrel liner 2, water circulation is realized by matching with a water tank 24, a water inlet pipe 25 and a water outlet pipe 26, after hot water is introduced, the viscosity of a polymer in the barrel liner 2 is reduced, the residue and adhesion of the polymer in the barrel liner 2 are effectively reduced, the first water pipe 21 is fixedly connected to the upper side and the lower side of the interior of the barrel liner 2, the second water pipe 22 is fixedly connected to the front side and the rear side of the interior of the barrel liner 2, the first water pipe 21 is communicated with the second water pipe 22 through an annular pipe 23, a driving device 3 is fixedly connected to the right side of the interior of the barrel 1, the driving device 3 is the prior art and can drive the outer screw rod 4 and the inner screw rod 6 to rotate, the outer screw rod 4 is arranged in the barrel liner 2, the square groove 5 is formed in the outer screw rod 4, the inner screw rod 6 is arranged in the square groove 5, the, the right side of the shell 7 is communicated with the left side of the machine barrel 1, an extrusion groove 8 is formed in the shell 7, the inner surface of the extrusion groove 8 is connected with an extrusion rod 17 in a sliding manner, the top end of the extrusion rod 17 penetrates through the shell 7 and extends to the outside of the shell 7, a feeding shell 9 is fixedly connected to the bottom of the shell 7, a connecting groove 28 is formed in the middle of the inside of the feeding shell 9, two sides of the inside of the feeding shell 9 are respectively provided with a fine groove 10, the number of the fine grooves 10 is multiple, the fine grooves 10 are uniformly distributed in the inside of the feeding shell 9 and positioned on the outer surface of the square groove 5, the two fine grooves 10 are communicated with the connecting groove 28, the top of the connecting groove 28 is communicated with a connecting pipe 11, the top end of the connecting pipe 11 penetrates through the feeding shell 9 and extends to the outside of the feeding shell 9, the top end of the connecting pipe 11 is communicated with, the top end of a cylindrical rod 13 is connected with an external motor, two sides of the outer surface of the cylindrical rod 13 are fixedly connected with sliding plugs 16, the outer surfaces of the two sliding plugs 16 are rotatably connected with the inner surface of a cylindrical pipe 12, one side of the cylindrical rod 13 is provided with a trough 14, the top end of the cylindrical rod 13 penetrates through a feeding shell 9 and extends to the outside of the feeding shell 9, two sides of the bottom of the feeding shell 9 are provided with a plurality of charging barrels 15, the charging barrels 15 are uniformly distributed below the feeding shell 9, the bottom end of the cylindrical rod 13 sequentially penetrates through the feeding shell 9 and the charging barrels 15 and extends to the inside of the charging barrels 15, an internal screw rod 6 is arranged inside an external screw rod 4, the internal screw rod 6 absorbs heat to provide heat energy for the external screw rod 4 and improve the rotating force of the external screw rod 4, so as to increase the interface shearing at the gap between a polymer and the barrel lining 2 and the external screw rod 4 and, the fast and efficient melting of the polymer is realized, then the cylindrical rod 13 is utilized to rotate in the cylindrical pipe 12, one side of the trough 14 is communicated with one side of the fine groove 10, the material enters the charging barrel 15 through the trough 14, and the waiting time of the injection molding mechanism can be effectively reduced due to the material distributing mechanism.

When the device is used, firstly, materials are put into the device from the feed hopper 20 and enter the machine barrel 1 through the feed pipe 19, meanwhile, the outer screw rod 4 and the inner screw rod 6 are driven to rotate through the driving device 3, at the moment, the materials are conveyed, the uniformly melted materials enter the extrusion groove 8 in the shell 7 from the left side of the machine barrel 1, at the moment, the melted materials are extruded through the extrusion rod 17 and further driven to enter the connecting pipe 11, the melted materials are further driven to enter the connecting groove 28 and then dispersed through the plurality of grooves 10, then the external motor is started to drive the cylindrical rod 13 to rotate, further, the sliding plug 16 is driven to rotate on the inner surface of the cylindrical pipe 12, the trough 14 on one side of the cylindrical rod 13 is communicated with one side of the grooves 10, at the moment, the melted materials enter the material barrel 15 through the trough 14, when the trough 14 on one side of the cylindrical rod 13 is not communicated with one, if a work cycle can complete more injection molding processes, the number of the injection molding processes can be increased by more times, which is determined by the time and the work cycle required by the injection molding processes.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims (10)

1. The utility model provides an injection molding machine screw rod barrel subassembly, includes barrel (1), the inner wall fixedly connected with barrel bush (2) of barrel (1), and the inside right side fixedly connected with drive arrangement (3) of barrel (1), the inside of barrel bush (2) is provided with outer screw rod (4), its characterized in that: the novel feeding device is characterized in that a square groove (5) is formed in the outer screw rod (4), an inner screw rod (6) is arranged in the square groove (5), a shell (7) is fixedly connected to the left side of the machine barrel (1), an extrusion groove (8) is formed in the shell (7), a feeding shell (9) is fixedly connected to the bottom of the shell (7), a connecting groove (28) is formed in the middle of the inner portion of the feeding shell (9), fine grooves (10) are formed in two sides of the inner portion of the feeding shell (9), the fine grooves (10) are communicated with the connecting groove (28), a connecting pipe (11) is communicated with the top of the connecting groove (28), the top end of the connecting pipe (11) penetrates through the feeding shell (9) and extends to the outer portion of the feeding shell (9), the top end of the connecting pipe (11) is communicated with the bottom of the extrusion groove (8), a cylindrical pipe (12) is arranged on one side of, the internal surface swing joint of cylinder pipe (12) has cylinder pole (13), and silo (14) have been seted up to one side of cylinder pole (13), the top of cylinder pole (13) runs through feeding shell (9) and extends to the outside of feeding shell (9), the both sides of feeding shell (9) bottom all are provided with feed cylinder (15), the bottom of cylinder pole (13) runs through feeding shell (9) and feed cylinder (15) in proper order and extends to the inside of feed cylinder (15).

2. The injection molding machine screw barrel assembly of claim 1, wherein: the number of the thin grooves (10) is multiple, and the thin grooves (10) are uniformly distributed in the feeding shell (9) and positioned on the outer surface of the square groove (5).

3. The injection molding machine screw barrel assembly of claim 1, wherein: and sliding plugs (16) are fixedly connected to two sides of the outer surface of the cylindrical rod (13), and the outer surfaces of the two sliding plugs (16) are rotatably connected with the inner surface of the cylindrical pipe (12).

4. The injection molding machine screw barrel assembly of claim 1, wherein: the inner surface of the extrusion groove (8) is connected with an extrusion rod (17) in a sliding mode, and the top end of the extrusion rod (17) penetrates through the shell (7) and extends to the outside of the shell (7).

5. The injection molding machine screw barrel assembly of claim 1, wherein: the number of the charging barrels (15) is multiple, and the charging barrels (15) are uniformly distributed below the feeding shell (9).

6. The injection molding machine screw barrel assembly of claim 1, wherein: one side fixedly connected with fixing base (18) at barrel (1) top, the top fixedly connected with inlet pipe (19) of fixing base (18).

7. The injection molding machine screw barrel assembly of claim 6, wherein: the bottom end of the feeding pipe (19) penetrates through the fixed seat (18) and the machine barrel (1) in sequence and extends to the interior of the machine barrel (1), and the top end of the feeding pipe (19) is communicated with a feeding hopper (20).

8. The injection molding machine screw barrel assembly of claim 1, wherein: the barrel bushing is characterized in that first water pipes (21) are fixedly connected to the upper side and the lower side of the interior of the barrel bushing (2), second water pipes (22) are fixedly connected to the front side and the rear side of the interior of the barrel bushing (2), and the first water pipes (21) are communicated with the second water pipes (22) through annular pipes (23).

9. The injection molding machine screw barrel assembly of claim 1, wherein: the bottom fixedly connected with water tank (24) of barrel (1), the left side intercommunication of water tank (24) has inlet tube (25), and the right side intercommunication of water tank (24) has outlet pipe (26), the surface intercommunication of water tank (24) has water service pipe (27).

10. The injection molding machine screw barrel assembly of claim 9, wherein: one end of each of the water inlet pipe (25) and the water outlet pipe (26) penetrates through the machine barrel bushing (2) and extends into the machine barrel bushing (2), one end of each water inlet pipe (25) is communicated with the surface of the first water pipe (21), and one end of each water outlet pipe (26) is communicated with the surface of the second water pipe (22).

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