CN211221687U

CN211221687U - A mould for producing accurate plastic part

Info

Publication number: CN211221687U
Application number: CN201921465767.6U
Authority: CN
Inventors: 杨银龙
Original assignee: Huaihua Hongyuan Precision Technology Co ltd
Current assignee: Huaihua Hongyuan Precision Technology Co ltd
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-08-11
Anticipated expiration: 2029-09-05

Abstract

The utility model relates to the technical field of plastic moulds, and disclose a mould for producing accurate plastic part, solved the high temperature of present plastic mould and be unfavorable for the shaping of plastic part, and the problem of being inconvenient for taking out after the shaping, it includes the die holder, its the top of die holder is equipped with the upper die base, the middle part fixedly connected with convex mould at die holder top, the inside of convex mould convex surface has seted up first refrigeration chamber, the middle part of convex mould has seted up the lift groove, the middle part of die holder has seted up the control chamber, the four corners department in control chamber all fixedly connected with slide bar, the surface of four slide bars has all cup jointed the spring, the top of four slide bars all fixedly connected with buffer block; this a mould for producing accurate plastic part can effectually cool down at watering and fashioned in-process to be favorable to the shaping of plastic part, this a mould for producing accurate plastic part simultaneously can effectually be ejecting with the plastic part after the shaping, thereby be convenient for take out the plastic part.

Description

A mould for producing accurate plastic part

Technical Field

The utility model belongs to the technical field of the plastic mould, specifically be a mould for producing accurate plastic part.

Background

The plastic mould is a combined mould for compression moulding, extrusion moulding, injection, blow moulding and low foaming moulding, a series of plastic parts with different shapes and sizes can be processed by the coordinated change of a mould convex mould, a mould concave mould and an auxiliary moulding system, the plastic mould is an industrial female mould, the release of new products can relate to plastics at present, and the plastic mould mainly comprises a concave mould with a variable cavity and composed of a concave mould combined substrate, a concave mould component and a concave mould combined clamping plate, and a convex mould with a variable core and composed of a convex mould combined substrate, a convex mould component, a convex mould combined clamping plate, a cavity cut-off component and a side cut-off combined plate.

However, the existing mold for producing precise plastic parts is not beneficial to the molding of the plastic parts due to higher temperature in the pouring process, and the plastic parts are not convenient to take out after molding; it is now necessary to improve on the current situation.

Disclosure of Invention

To the above situation, for overcoming prior art's defect, the utility model provides a mould for producing accurate plastic part, the effectual high temperature of having solved present plastic mould is unfavorable for the shaping of plastic part to and the problem of being not convenient for take out after the shaping.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mould for producing accurate plastic part, including the die holder, it the top of die holder is equipped with the upper die base, the protruding mould of middle part fixedly connected with at die holder top, first refrigeration chamber has been seted up to the inside of terrace die utensil convex surface, the lift groove has been seted up at the middle part of protruding mould, the control chamber has been seted up at the middle part of die holder, the equal fixedly connected with slide bar in four corners department in control chamber, the spring has all been cup jointed on the surface of four slide bars, the equal fixedly connected with buffer block in top of four slide bars, movable mounting has the bottom plate between the upper portion of four slide bars, the inside activity in lift groove is pegged graft and is had the ejector pin, the middle part fixed connection at the bottom plate top of ejector pin, the top of ejector pin extends to the top and the swing joint of protruding mould has the heat conduction template, the die cavity has been seted up to.

Preferably, first guiding gutters are respectively arranged on two sides of the middle part of the lower die holder, one ends of the two first guiding gutters are respectively communicated with two sides of the first refrigeration cavity, and the other ends of the two first guiding gutters are respectively fixedly connected with first guiding pipes on two sides of the lower die holder.

Preferably, the two sides of the middle part of the upper die base are provided with second guide grooves, one ends of the two second guide grooves are respectively communicated with the two sides of the second refrigeration cavity, and the other ends of the two second guide grooves are respectively fixedly connected with second guide pipes on the two sides of the upper die base.

Preferably, the bottom of the lifting groove is communicated with the top of the control cavity, a clamping block is fixedly connected to the middle of the concave surface of the heat-conducting template, a quadrilateral clamping groove is formed in the bottom of the clamping block, the ejector rod is a quadrilateral rod body, the top of the ejector rod is movably clamped inside the quadrilateral clamping groove, and a clamping block groove is formed in the top of the lifting groove.

Preferably, the middle part of the top of the upper die base is provided with a pouring port, and the pouring port is communicated with the concave die groove.

Preferably, the four corners at the top of the lower die base are provided with guide cavities, the four corners at the bottom of the upper die base are fixedly connected with guide rods, and the guide rods are movably inserted in the guide cavities.

Preferably, the heat conducting template is symmetrically and fixedly connected with the stop blocks, and the concave groove is symmetrically provided with the stop grooves.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) in the working process, the die for producing the precise plastic parts can be effectively cooled in the pouring and forming processes by arranging the first diversion trench, the first diversion pipe, the second diversion trench, the second diversion pipe, the first refrigeration cavity and the second refrigeration cavity, so that the forming of the plastic parts is facilitated; the first guide groove and the first guide pipe are used for injecting flowing cold water into the first refrigeration cavity to effectively refrigerate the male die and the heat conducting template, and the second guide groove and the second guide pipe are used for injecting flowing cold water into the second refrigeration cavity to effectively refrigerate the female die groove;

(2) the mold for producing the precise plastic part can effectively eject the plastic part after molding by arranging the lifting groove, the control cavity, the sliding rod, the spring, the buffer block, the bottom plate and the ejector rod, so that the plastic part can be taken out conveniently; after the plastic shaping finishes, tear the top of die holder down with the upper die base, because the extrusion of upper die base installation on the die holder can make the spring compress, after the upper die base is torn down, the effect that spring elasticity resumes can make the bottom plate drive the ejector pin upwards and remove to make heat conduction template drive fashioned plastic part break away from the convex mould, make taking off that heat conduction template and fashioned plastic part can be convenient.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is the schematic view of the cross-sectional structure of the lower die holder of the present invention.

Fig. 3 is a schematic sectional view of the upper die base of the present invention.

Fig. 4 is a schematic view of the lower die holder of the present invention.

In the figure: 1. a lower die holder; 101. a first diversion trench; 102. a first draft tube; 2. an upper die holder; 201. a second guiding gutter; 202. a second draft tube; 3. a male mold; 4. a first refrigeration cavity; 5. a lifting groove; 6. a control chamber; 7. a slide bar; 8. a spring; 9. a buffer block; 10. a base plate; 11. a top rod; 12. a heat conducting template; 13. a die cavity; 14. a second refrigeration cavity; 15. an infusion port; 16. a guide cavity; 17. a guide rod.

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 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.

In the first embodiment, as shown in fig. 1, 2 and 3, the utility model comprises a lower die holder 1, an upper die holder 2 is arranged on the top of the lower die holder 1, a convex die 3 is fixedly connected to the middle of the top of the lower die holder 1, a first refrigeration cavity 4 is arranged inside the convex surface of the convex die 3, the convex die 3 and a heat conducting template 12 are effectively refrigerated through the arrangement of the first refrigeration cavity 4, a lifting groove 5 is arranged in the middle of the convex die 3, a control cavity 6 is arranged in the middle of the lower die holder 1, slide bars 7 are fixedly connected to four corners of the control cavity 6, springs 8 are sleeved on the surfaces of the four slide bars 7, buffer blocks 9 are fixedly connected to the tops of the four slide bars 7, a bottom plate 10 is movably arranged between the upper parts of the four slide bars 7, and the top plate 11 can effectively push the heat conducting template 12 through the arrangement of the slide bars 7, the springs 8, the buffer blocks 9 and, the inside activity grafting of lift groove 5 has ejector pin 11, the middle part fixed connection at the bottom of ejector pin 11 and bottom plate 10 top, the top of ejector pin 11 extends to the top and swing joint of convex mould 3 has heat conduction template 12, die cavity 13 has been seted up to the bottom of upper die base 2, second refrigeration chamber 14 has been seted up to the inside of die cavity 13 concave surface and the inside that is located upper die base 2, through the setting in second refrigeration chamber 14, make it carry out effectual refrigeration to die cavity 13's concave surface.

Embodiment two, on the basis of embodiment one, given by fig. 1 and fig. 2, first guiding gutter 101 has all been seted up to the both sides at lower bolster 1 middle part, the one end of two first guiding gutters 101 is linked together with the both sides of first refrigeration chamber 4 respectively, the other end of two first guiding gutters 101 just is located the both sides of lower bolster 1 and is fixedly connected with first honeycomb duct 102 respectively, through the setting of first guiding gutter 101 and first honeycomb duct 102, make inside the circulation that can keep cold water in first refrigeration chamber 4 to keep good refrigeration performance.

Third embodiment, on the basis of the first embodiment, as shown in fig. 1 and 3, second guiding grooves 201 are formed in both sides of the middle portion of the upper die holder 2, one ends of the two second guiding grooves 201 are respectively communicated with both sides of the second refrigeration cavity 14, second guiding pipes 202 are respectively fixedly connected to the other ends of the two second guiding grooves 201 and both sides of the upper die holder 2, and through the arrangement of the second guiding grooves 201 and the second guiding pipes 202, the inside of the second refrigeration cavity 14 can keep the circulation of cold water, so that good refrigeration performance is kept.

Fourth embodiment, on the basis of first embodiment, by fig. 2, the bottom of lift groove 5 is linked together with the top of control chamber 6, thereby make ejector pin 11 can effectually move from top to bottom, the middle part fixedly connected with fixture block of the 12 concave surfaces of heat conduction template, the quadrangle draw-in groove has been seted up to the bottom of fixture block, ejector pin 11 is the four face shape body of rod, the top activity joint of ejector pin 11 is in the inside of quadrangle draw-in groove, the fixture block groove has been seted up at the top of lift groove 5, through the fixture block, the setting in quadrangle draw-in groove and fixture block groove, make heat conduction template 12 can effectually dismantle and stably install and use.

In the fifth embodiment, on the basis of the first embodiment, as shown in fig. 3, a pouring port 15 is formed in the middle of the top of the die holder 2, and the pouring port 15 is communicated with the die groove 13, so that plastic can be effectively poured.

Sixth embodiment, on the basis of first embodiment, given by fig. 3 and 4, the four corners department at lower die holder 1 top has all seted up and has led chamber 16, and the equal fixedly connected with guide arm 17 of four corners department of upper die base 2 bottom, guide arm 17 activity peg graft in the inside of leading chamber 16, through leading chamber 16 and guide arm 17's setting, make lower die holder 1 and upper die holder 2 can stabilize effectual press forming to the plastic.

Seventh, on the basis of the first embodiment, as shown in fig. 2, 3, and 4, the heat conducting mold plate 12 is symmetrically and fixedly connected with the stoppers, the concave mold groove 13 is symmetrically provided with the retaining grooves, and the lower mold base 1 and the upper mold base 2 can effectively form the mold cavity after being closed by the stoppers and the retaining grooves.

The working principle is as follows: install upper die base 2 in lower die base 1 upper portion, then through first guiding gutter 101 and first honeycomb duct 102 to the inside injection mobile cold water of first refrigeration chamber 4, and second guiding gutter 201 and second honeycomb duct 202 to the inside injection mobile cold water of second refrigeration chamber 14, after the plastic shaping finishes, remove upper die base 2 from the top of lower die base 1, can make bottom plate 10 drive ejector pin 11 upwards remove because the effect of spring 8 elasticity recovery after upper die base 2 is removed, thereby make heat conduction template 12 drive fashioned plastic part break away from convex mould 2, then take off heat conduction template 12 and fashioned plastic part from the top of ejector pin 11 together.

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

1. The utility model provides a mould for producing accurate plastic part, includes die holder (1), its characterized in that: the die comprises a lower die base (1), an upper die base (2) is arranged at the top of the lower die base (1), a convex die (3) is fixedly connected to the middle of the top of the lower die base (1), a first refrigeration cavity (4) is formed inside the convex surface of the convex die (3), a lifting groove (5) is formed in the middle of the convex die (3), a control cavity (6) is formed in the middle of the lower die base (1), slide bars (7) are fixedly connected to four corners of the control cavity (6), springs (8) are sleeved on the surfaces of the four slide bars (7), buffer blocks (9) are fixedly connected to the tops of the four slide bars (7), a bottom plate (10) is movably mounted between the upper portions of the four slide bars (7), ejector rods (11) are movably inserted into the lifting groove (5), the bottoms of the ejector rods (11) are fixedly connected to the middle of the top of the bottom plate (10), the tops of the ejector rods (11), the bottom of the upper die holder (2) is provided with a female die groove (13), and a second refrigeration cavity (14) is formed in the concave surface of the female die groove (13) and the inner part of the upper die holder (2).

2. The mold for manufacturing precision plastic parts according to claim 1, wherein: first guiding gutters (101) are respectively arranged on two sides of the middle of the lower die holder (1), one ends of the two first guiding gutters (101) are respectively communicated with two sides of the first refrigeration cavity (4), and the other ends of the two first guiding gutters (101) are respectively fixedly connected with first guide pipes (102) on two sides of the lower die holder (1).

3. The mold for manufacturing precision plastic parts according to claim 1, wherein: second guiding gutters (201) are respectively arranged on two sides of the middle part of the upper die base (2), one ends of the two second guiding gutters (201) are respectively communicated with two sides of the second refrigeration cavity (14), and second guiding pipes (202) are respectively fixedly connected to the other ends of the two second guiding gutters (201) and two sides of the upper die base (2).

4. The mold for manufacturing precision plastic parts according to claim 1, wherein: the bottom of lift groove (5) is linked together with the top of control chamber (6), and the middle part fixedly connected with fixture block of heat conduction template (12) concave surface has seted up the quadrangle draw-in groove in the bottom of fixture block, and ejector pin (11) are the four face shape body of rod, and the movable joint in the top of ejector pin (11) is in the inside of quadrangle draw-in groove, and the fixture block groove has been seted up at the top of lift groove (5).

5. The mold for manufacturing precision plastic parts according to claim 1, wherein: the middle of the top of the upper die base (2) is provided with a pouring opening (15), and the pouring opening (15) is communicated with the female die groove (13).

6. The mold for manufacturing precision plastic parts according to claim 1, wherein: the die is characterized in that guide cavities (16) are formed in four corners of the top of the lower die base (1), guide rods (17) are fixedly connected to four corners of the bottom of the upper die base (2), and the guide rods (17) are movably inserted into the guide cavities (16).

7. The mold for manufacturing precision plastic parts according to claim 1, wherein: the heat-conducting template (12) is symmetrically and fixedly connected with the stop blocks on the arc edge, and the concave die groove (13) is symmetrically provided with the stop grooves on the arc edge.