CN208946529U

CN208946529U - An injection molding precision structural part

Info

Publication number: CN208946529U
Application number: CN201821659826.9U
Authority: CN
Inventors: 陈清培
Original assignee: Dongguan Zealwin Electronic Co ltd
Current assignee: Dongguan Zealwin Electronic Co ltd
Priority date: 2018-10-13
Filing date: 2018-10-13
Publication date: 2019-06-07
Anticipated expiration: 2028-10-13

Abstract

The utility model discloses an injection moulding precision structure spare, which comprises a motor, the fixed screw rod that is provided with of output of motor, the screw rod is kept away from the fixed barrel that is provided with in motor one side, the fixed hopper that is provided with in barrel upper end, the fixed a plurality of heaters that are provided with in the barrel outside, the barrel is kept away from screw rod one side and has been seted up the injection port, screw rod outside movable mounting has the spring, the barrel is kept away from the fixed cover half that is provided with in motor one side, the cover half is kept away from barrel one side movable mounting and is had first template, first template both sides movable mounting is kept away from to the cover half has the location axle, the fixed movable mould that is provided with of cover half one end is kept away from. The utility model discloses can ensure that the die cavity inside of compound die has sufficient pressure, ensure sealed effect, have simple structure, advantages such as convenient to use.

Description

A kind of injection moulding fine structure part

Technical field

The utility model relates to be injection moulded field, specially a kind of injection moulding fine structure part.

Background technique

After plastics are plasticized in injection molding machine heating cylinder, by plunger or reciprocating screw injection into the die cavity of Guan Bi mould shape At the plastic working method of product.This method is capable of processing complex contour, accurate size or the product with inserts, high production efficiency.Greatly Most thermoplastics and certain thermosetting plasticses can be used this method to be processed.

Injection molding used at present has the disadvantages that

1, in the injection moulding process of high-precision configuration part, note higher to the sealing requirements of mold in injection molding machine, current Molding machine sealing structure is relatively simple, has certain leakage risk.

2, there is cross force deficiency often in injection moulding process in injection molding fine structure part used at present, generates part flash It is necessary to have stable pressure-maintaining structures for phenomenon.

Utility model content

The purpose of this utility model is to provide a kind of injection moulding fine structure parts, to solve to mention in above-mentioned background technique Out the problem of.

To achieve the above object, the utility model provides the following technical solutions: a kind of injection moulding fine structure part, including Motor, the output end of the motor are fixedly installed screw rod, and the screw rod is fixedly installed machine barrel, the machine far from motor side Cylinder upper end is fixedly installed hopper, is fixedly installed several heaters on the outside of the machine barrel, the machine barrel is opened far from screw rod side Equipped with injection port, it is movably installed with spring on the outside of the screw rod, the machine barrel is fixedly installed cover half far from motor side, described Cover half is movably installed with the first template far from machine barrel side, and the cover half is movably installed with locating shaft far from the first template two sides, The locating shaft is fixedly installed dynamic model far from cover half one end, and the dynamic model is fixedly installed demoulding mechanism close to cover half side, The demoulding mechanism is fixedly installed mandril far from dynamic model side, and the mandril is fixedly installed second far from demoulding mechanism one end Template, the demoulding mechanism are fixedly installed fixed block close to locating shaft side, and the fixed block internal activity is equipped with spiral Axis, the cover half are fixedly installed confinement block close to helical axis side, and the confinement block internal activity is equipped with threaded rod, described Threaded rod is fixedly installed shaft far from confinement block side, is fixedly installed spiral lamination inside the shaft, the spiral lamination with Helical axis is flexibly connected, and the threaded rod upper end is movably set with gear, is intermeshed between the gear and threaded rod, described Gear is fixedly installed rubber sheet gasket close to cover half side.

Preferably, circular trough is offered inside the fixed block, the helical axis is fixedly installed close to fixed block one end Disk, the disk are movably arranged in circular trough.

Preferably, the hopper outer surface is fixedly installed glass.

Preferably, the threaded rod is fixedly installed circular cone close to injection port side.

Preferably, the injection port is conical design.

Compared with prior art, the utility model has the beneficial effects that

1, the utility model enhances injection molding pressure by setting taper injection port, can prevent in injection moulding process, Since injection pressure causes gap the phenomenon of leakage occur, while it being provided with screw rod, machine barrel and spring, is convenient for transverse reciprocating fortune It is dynamic, fast injection molding may be implemented, and can melt plastic pellet by heater, is convenient for subsequent injection operation；

2, the utility model simultaneously be provided with helical axis, threaded rod, gear and rubber sheet gasket may be implemented the first template and Sealed clamping between second template, the first template and the second template are molded, and drive helical axis transverse movement by dynamic model, Helical axis is engaged with the spiral lamination spiral inside shaft, is driven shaft rotation, and then threaded rod is screwed in confinement block, is grasped to molding Make to apply biggish transverse clamping force, while threaded rod is engaged with gear, gear screws in molding gasket, clamps rubber sheet gasket, applies Add the clamping force of vertical direction, it is ensured that mold cavity is fully sealed, it is ensured that it has structure with biggish pressure maintaining ability Simply, the advantages that easy to use.

Detailed description of the invention

Fig. 1 is a kind of injection moulding fine structure part overall structure diagram of the utility model；

Fig. 2 is enlarged view at A in a kind of injection moulding fine structure part Fig. 1 of the utility model.

In figure: 1, motor；2, screw rod；3, hopper；4, heater；5, machine barrel；6, spring；7, injection port；8, dynamic model；9, fixed Position axis；10, cover half；11, demoulding mechanism；12, mandril；13, the first template；14, the second template；15, confinement block；16, threaded rod； 17, spiral lamination；18, shaft；19, helical axis；20, disk；21, fixed block；22, gear；23, rubber sheet gasket；24, circular trough； 25, glass；26, circular cone.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of injection moulding fine structure part, including horse Up to 1, the output end of the motor 1 is fixedly installed screw rod 2, and the screw rod 2 is fixedly installed machine barrel 5, institute far from 1 side of motor It states 5 upper end of machine barrel and is fixedly installed hopper 3, be fixedly installed several heaters 4 on the outside of the machine barrel 5, the machine barrel 5 is far from spiral shell 2 side of bar offers injection port 7, and spring 6 is movably installed on the outside of the screw rod 2, and the machine barrel 5 is fixed far from 1 side of motor It is provided with cover half 10, the cover half 10 is movably installed with the first template 13 far from 5 side of machine barrel, and the cover half 10 is far from the first mould 13 two sides of plate are movably installed with locating shaft 9, and the locating shaft 9 is fixedly installed dynamic model 8, the dynamic model 8 far from 10 one end of cover half It is fixedly installed demoulding mechanism 11 close to 10 side of cover half, the demoulding mechanism 11 is fixedly installed mandril far from 8 side of dynamic model 12, the mandril 12 is fixedly installed the second template 14 far from 11 one end of demoulding mechanism, and the demoulding mechanism 11 is close to locating shaft 9 Side is fixedly installed fixed block 21, and 21 internal activity of fixed block is equipped with helical axis 19, and the cover half 10 is close to spiral 19 side of axis is fixedly installed confinement block 15, and 15 internal activity of confinement block is equipped with threaded rod 16, and the threaded rod 16 is remote It is fixedly installed shaft 18 from 15 side of confinement block, spiral lamination 17, the spiral lamination 17 are fixedly installed inside the shaft 18 It is flexibly connected with helical axis 19,16 upper end of threaded rod is movably set with gear 22, between the gear 22 and threaded rod 16 Intermeshing, the gear 22 are fixedly installed rubber sheet gasket 23 close to 10 side of cover half.

Circular trough 24 is offered inside the fixed block 21, the helical axis 19 is fixedly installed close to 21 one end of fixed block Disk 20, the disk 20 is movably arranged in circular trough 24, and under the action of cross force, helical axis 19 is engaged with spiral lamination 17 Rotation, disk 20 rotate in circular trough 24, prevent die sinking and fall off；3 outer surface of hopper is fixedly installed glass 25, Convenient for the clout situation in observation hopper 3, it is added supplement in time；The threaded rod 16 is set close to the fixation of 7 side of injection port It is equipped with circular cone 26, is convenient for being compressed to injection port 7, it is ensured that do not have bubble in moulding.The injection port 7 is taper Design, can be fitted closely fastly with taper, prevent leakage, and increase the pressure of injection port 7, it is ensured that in moulding not There is bubble.

Working principle: the utility model enhances injection molding pressure by the way that taper injection port 7 is arranged, and can prevent from being molded In the process, since injection pressure causes gap the phenomenon of leakage occur, while it being provided with screw rod 2, machine barrel 5 and spring 6, be convenient for Traverse motion may be implemented fast injection molding, and can be melted plastic pellet by heater 4, after being convenient for Continuous injection operation, while being provided with helical axis 19, threaded rod 16, gear 22 and rubber sheet gasket 23 and 13 and of the first template may be implemented Sealed clamping between second template 14, the first template 13 and the second template 14 are molded, and drive helical axis 19 by dynamic model 8 Transverse movement, helical axis 19 are engaged with 17 spiral of spiral lamination inside shaft 18, drive shaft 18 to rotate, and then by threaded rod 16 Confinement block 15 is screwed in, biggish transverse clamping force is applied to die closing operation, while threaded rod 16 is engaged with gear 22, gear 22 revolves Enter and mold gasket, clamps rubber sheet gasket 23, apply the clamping force of vertical direction, it is ensured that mold cavity is fully sealed, it is ensured that It has the advantages that structure is simple, easy to use, using effect is good with biggish pressure maintaining ability.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. An injection-molded precision structural component, comprising a motor (1), characterized in that: an output end of the motor (1) is fixedly provided with a screw (2), and the screw (2) is away from the side of the motor (1). A machine barrel (5) is fixedly arranged, a hopper (3) is fixedly arranged at the upper end of the machine barrel (5), a number of heaters (4) are fixedly arranged on the outside of the machine barrel (5), and the machine barrel (5) is kept away from An injection port (7) is provided on one side of the screw (2), a spring (6) is movably installed on the outer side of the screw (2), and a fixed die (10) is fixedly arranged on the side of the barrel (5) away from the motor (1). ), a first template (13) is movably installed on one side of the stationary die (10) away from the barrel (5), and a positioning shaft (9) is movably installed on both sides of the stationary die (10) away from the first template (13). ), a movable die (8) is fixedly arranged at one end of the positioning shaft (9) away from the fixed die (10), and a demolding mechanism (11) is fixedly arranged on the side of the movable die (8) close to the fixed die (10), An ejector rod (12) is fixedly arranged on the side of the demolding mechanism (11) away from the movable mold (8), and a second template (14) is fixedly arranged on one end of the ejector rod (12) away from the ejection mechanism (11). A fixing block (21) is fixedly arranged on the side of the demolding mechanism (11) close to the positioning shaft (9), and a screw shaft (19) is movably installed inside the fixing block (21), and the fixing die (10) is close to A limit block (15) is fixedly arranged on one side of the screw shaft (19), a threaded rod (16) is movably installed inside the limit block (15), and the threaded rod (16) is fixedly arranged on a side away from the limit block (15). There is a rotating shaft (18), the interior of the rotating shaft (18) is fixedly provided with a helical thread (17), the helical thread (17) is movably connected with the helical shaft (19), and the upper end of the threaded rod (16) is movably provided with a gear (22), the gear (22) and the threaded rod (16) are engaged with each other, and a rubber gasket (23) is fixedly arranged on the side of the gear (22) close to the fixed die (10).

2 . The injection-molded precision structural part according to claim 1 , wherein a circular groove ( 24 ) is formed inside the fixing block ( 21 ), and the screw shaft ( 19 ) is close to the fixing block ( 21 ). 3 . ) is fixedly provided with a disc (20) at one end, and the disc (20) is movably installed in the circular groove (24).

3 . The injection molding precision structural part according to claim 1 , wherein: the outer surface of the hopper ( 3 ) is fixedly provided with a glass ( 25 ). 4 .

4 . The injection-molded precision structural part according to claim 1 , wherein a conical block ( 26 ) is fixedly arranged on the side of the threaded rod ( 16 ) close to the injection port ( 7 ). 5 .

5 . The injection molding precision structural part according to claim 1 , wherein the injection port ( 7 ) has a conical design. 6 .