CN216267393U - Novel oblique guide pillar forming mechanism - Google Patents

Abstract

The utility model relates to the field of injection molding, in particular to a novel inclined guide post molding mechanism which comprises an upper mold component and a lower mold component which are oppositely arranged, wherein an upper mold core and a lower mold core are respectively fixed on the upper mold component and the lower mold component, at least four side mold cores are movably arranged on the lower mold component and positioned around the upper mold core and the lower mold core, the four side mold cores comprise a first side mold core, the first side mold core corresponds to the top surface of a horizontal part, a sub mold core is arranged on the top surface of the horizontal part, a mounting cavity is formed in the first side mold core, the sub mold core is positioned in the mounting cavity, a core pulling component in driving connection with the sub mold core is also movably fixed in the mounting cavity, the core pulling component pulls the sub mold core, the four side mold cores mold the vertical side surfaces of an injection molding product, the sub mold core molds the top surface of the horizontal part, the movement path of the sub mold core is vertical to the top surface of the horizontal part, the movement direction of the side die core is vertical to the corresponding vertical side surface, and the finished product qualification rate is high.

Description

Novel oblique guide pillar forming mechanism

Technical Field

The utility model relates to the field of injection molding, in particular to a novel inclined guide pillar molding mechanism.

Background

At present, in the process of injection molding, in order to better perform mold stripping, mold stripping slopes need to be arranged on an injection molding product, and for the injection molding product without the mold stripping slopes, the conventional upper mold assembly and the conventional lower mold assembly perform mold opening and ejection in the vertical direction, so that the side surfaces of the injection molding product are easily damaged, burs and other bad phenomena, and high-precision molding cannot be realized; and meanwhile, the vertical part is vertical to the horizontal plane, the mold stripping inclination is avoided, the horizontal part is horizontal to the horizontal plane, the injection molding product with the mold stripping inclination is avoided, and the qualified rate of the product is further reduced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a novel inclined guide post forming mechanism which can solve the technical problems that an injection molding product without a mold stripping inclination is low in injection molding precision, low in product yield and the like.

In order to solve the technical problems, the utility model provides the following technical scheme:

a novel inclined guide pillar forming mechanism is used for injection molding of injection products, the injection products comprise a vertical portion and a horizontal portion which are connected with each other, the outer side surface of the vertical portion is a vertical side surface, the top surface of the horizontal portion is provided with an inward concave groove, the bottom of the groove is provided with a through hole, the open area of the through hole is smaller than the area of the bottom of the groove, the novel inclined guide pillar forming mechanism is characterized by comprising an upper die assembly and a lower die assembly which are oppositely arranged, an upper die core and a lower die core are respectively fixed on the upper die assembly and the lower die assembly, the lower die assembly is movably provided with at least four side die cores which are positioned around the upper die core and the lower die core, at least four driving pieces are fixed on the lower die assembly, the driving pieces correspond to the side die cores one by one and respectively drive the side die cores to reciprocate on the lower die assembly along the horizontal direction, and the four side die cores comprise a first side die core, the utility model discloses a core pulling machine, including horizontal part, first side mould benevolence, installation cavity, sub mould benevolence, installation cavity, sub mould benevolence, core pulling assembly, the installation cavity is provided with sub mould benevolence, the first side mould benevolence is corresponding with horizontal part top surface position, be provided with sub mould benevolence on the horizontal part top surface, the installation cavity has been seted up on the first side mould benevolence, sub mould benevolence is located the installation cavity, still the activity is fixed with the subassembly of loosing core of being connected with sub mould benevolence drive in the installation cavity, the subassembly of loosing core is loosed core to sub mould benevolence.

Further, the installation cavity runs through first side mould benevolence along the horizontal direction, the subassembly of loosing core includes the core piece of loosing core, the both ends of core piece are the drive end respectively and loose the core the end, it inlays to establish in the installation cavity and is connected with the drive of submodule benevolence to loose the core the end, the drive end is located the installation cavity and has seted up the drive passage outward, the drive passage leans out to the lower part of drive end towards the direction of keeping away from the installation cavity by the upper portion of drive end, go up to be fixed with on the mould subassembly with drive passage assorted guide pillar to one side, guide pillar and drive passage mutually support and drive the core piece of loosing core and be reciprocal linear motion in the installation cavity to one side.

Furthermore, the side face, far away from the core pulling end, of the driving end is an inclined face, the inclined angle of the inclined face is the same as that of the driving channel, the corresponding position of the upper die assembly and the inclined face is a matching face, and the matching face and the inclined face are mutually attached.

Further, the top surface of son mould benevolence is the driving surface, the slope of driving surface sets up, the incline direction of driving surface is the same with drive channel's incline direction, the end of loosing core be provided with driving surface assorted binding face, be fixed with the slider that extends along driving surface inclination direction on the driving surface, seted up on the binding face with slider assorted spout, the slider inlays to be established in the spout, it is reciprocal linear motion to pass through slider and spout driving son mould benevolence in vertical direction to take out the core piece.

Further, the upper die assembly and the lower die assembly are spaced, four installation frame bodies are fixed on the outer side face of the lower die assembly, four driving pieces are fixed on the four installation frames respectively, and the driving pieces penetrate through gaps between the upper die assembly and the lower die assembly and are in driving connection with the side die cores.

Furthermore, the four side mold cores, the upper mold core and the lower mold core are enclosed to form a molding cavity, a plurality of feeding ports and gas outlets are formed in the upper mold component and the lower mold component, the feeding ports and the gas outlets are respectively connected with a feeding pipeline and a gas outlet pipeline, and the feeding pipeline and the gas outlet pipeline are communicated with the molding cavity.

Further, the lower die assembly comprises an ejector plate, a plurality of ejector pins are fixed on the ejector plate, and the ejector pins penetrate through the lower die assembly and the lower die core and extend into the forming cavity.

Furthermore, the plurality of ejector pins comprise a first ejector pin and a second ejector pin, the first ejector pin corresponds to the upper die core in position, and the second ejector pin corresponds to the horizontal part in position.

The utility model has the beneficial effects that:

in the scheme, the outer side surfaces of the vertical parts of the injection molding products are vertical side surfaces without mold stripping inclination, and meanwhile, the top surface of the horizontal part is parallel to the horizontal plane without mold stripping inclination; four side mould benevolence are moulded to injection moulding product's vertical side, the submodule benevolence is moulded to the top surface of horizontal part, during the demolding, the subassembly of loosing core drives submodule benevolence upward movement in vertical direction, the motion route and the horizontal part top surface mutually perpendicular of submodule benevolence, four driving pieces drive side mould benevolence respectively and move in the horizontal direction, the direction of motion and the vertical side mutually perpendicular that corresponds of side mould benevolence, cause the damage to injection moulding product when avoiding the demolding, the finished product qualification rate is high, the effect of moulding plastics of high accuracy has simultaneously.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of an inclined guide post forming mechanism according to the present invention;

FIG. 2 is a schematic view of the internal structure of the forming mechanism of the angle guide post according to the present invention;

FIG. 3 is a schematic sectional view of the forming mechanism of the angle guide post according to the present invention;

FIG. 4 is a schematic structural view of a part of the forming mechanism of the angle beam of the present invention;

FIG. 5 is a schematic view of the structure of an injection molded product according to the present invention.

Description of the main elements

1. An upper die assembly; 101. an upper die holder; 102. mounting a template; 103. an upper die core; 104. an inclined guide post; 105. a feed port; 1051. a feed line; 106. an air outlet; 1061. an air outlet pipe;

2. a lower die assembly; 201. a lower die holder; 202. a lower template; 203. a side mold core; 2031. a first side mold core; 204. a lower die core; 205. a sub-mold core; 2051. a drive face; 2052. a slider; 206. a core pulling assembly; 2061. core extraction; 2062. a drive channel; 2063. a core drawing end; 2064. a driving end; 2065. a binding face; 2066. a chute; 2067. an inclined surface; 207. an ejector plate; 208. a first thimble; 209. a second thimble; 210. a drive assembly; 211. installing a frame body; 212. a drive member; 3. injection molding a product; 301. a vertical portion; 302. a horizontal portion; 303. a groove; 304. and a through hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1-5, the present invention provides a novel angle guide post forming mechanism for injection molding an injection molding product 3, wherein the injection molding product 3 includes a vertical portion 301 and a horizontal portion 302 connected to each other, an outer side surface of the vertical portion 301 is a vertical side surface, a top surface of the horizontal portion 302 is provided with an inwardly recessed groove 303, a bottom surface of the groove 303 is provided with a through hole 304, an opening area of the through hole 304 is smaller than an area of the bottom surface of the groove 303, the angle guide post 104 forming mechanism includes an upper mold assembly 1 and a lower mold assembly 2 which are oppositely arranged, the upper mold assembly 1 and the lower mold assembly 2 are respectively fixed with an upper mold core 103 and a lower mold core 204, the lower mold assembly 2 is movably provided with at least four side mold cores 203, the side mold cores 203 are positioned around the upper mold core 103 and the lower mold core 204, the lower mold assembly 2 is fixed with at least four driving members 212, the driving members 212 and the side mold cores 203 are in one-to-one correspondence and respectively drive the side mold cores 203 to reciprocate on the lower mold assembly 2 along a horizontal direction, four side mould benevolence 203 include first side mould benevolence 2031, and first side mould benevolence 2031 corresponds with horizontal part 302 top surface position, is provided with sub mould benevolence 205 on the horizontal part 302 top surface, has seted up the installation cavity on the first side mould benevolence 2031, and sub mould benevolence 205 is located the installation cavity, and the installation cavity still activity is fixed with the subassembly 206 of loosing core that is connected with sub mould benevolence 205 drive, looses core the subassembly 206 and looses core to sub mould benevolence 205.

Referring to fig. 1-3, the upper mold assembly 1 includes an upper mold base 101 and an upper mold plate 102 fixed below the upper mold base 101, an inwardly recessed forming groove is formed in the middle of the bottom surface of the upper mold plate 102, and an upper mold core 103 is fixed at the bottom of the forming groove. The upper mold core 103, the four side mold cores 203 and the lower mold core 204 are positioned in the molding grooves to perform injection molding on the injection molding product 3.

Referring to fig. 1-3, the lower mold assembly 2 includes a lower mold base 201 and a lower mold plate 202, and the lower mold plate 202 is fixed above the lower mold base 201. The lower mold core 204 is fixed on the lower template 202, and the four side mold cores 203 are movably arranged on the lower template 202.

Referring to fig. 3-4, the installation cavity penetrates through the first side mold core 2031 in the horizontal direction, the core pulling assembly 206 includes a core pulling block 2061, two ends of the core pulling block 2061 are a driving end 2064 and a core pulling end 2063, the core pulling end 2063 is embedded in the installation cavity and is in driving connection with the sub-mold core 205, the driving end 2064 is located outside the installation cavity and is provided with a driving channel 2062, the driving channel 2062 is inclined outwards from the upper part of the driving end 2064 towards the direction away from the installation cavity to the lower part of the driving end 2064, an inclined guide pillar 104 matched with the driving channel 2062 is fixed on the upper mold plate 102, and the inclined guide pillar 104 and the driving channel 2062 are matched with each other to drive the core pulling block 2061 to make a reciprocating linear motion in the installation cavity. The side of the driving end 2064 away from the core-pulling end 2063 is an inclined surface 2067, the inclined surface 2067 has the same inclination angle as the driving channel 2062, the position of the upper mold plate 102 corresponding to the inclined surface 2067 is a matching surface, and the matching surface is mutually attached to the inclined surface 2067.

Referring to fig. 4, the top surface of the sub-mold core 205 is a driving surface 2051, the driving surface 2051 is arranged in an inclined manner, the inclined direction of the driving surface 2051 is the same as the inclined direction of the driving channel 2062, the core pulling end 2063 is provided with a fitting surface 2065 matched with the driving surface 2051, the driving surface 2051 is fixed with a slide block 2052 extending along the inclined direction of the driving surface 2051, the fitting surface 2065 is provided with a slide groove 2066 matched with the slide block 2052, the slide block 2052 is embedded in the slide groove 2066, and the core pulling block 2061 drives the sub-mold core 205 to make reciprocating linear motion in the vertical direction through the slide block 2052 and the slide groove 2066. In this embodiment, the slide 2052 is a "T" shaped slide 2052, and the slide 2066 is a "T" shaped slide 2066.

Referring to fig. 1, a space is formed between the upper mold plate 102 and the lower mold plate 202, four mounting frames 211 are fixed on the outer side surface of the lower mold plate 202, four driving members 212 are respectively fixed on the four mounting frames, and the driving members 212 penetrate through the gap between the upper mold assembly 1 and the lower mold assembly 2 to be in driving connection with the side mold cores 203. In this embodiment, the driving member 212 is a driving cylinder.

Referring to fig. 1-2, the four side mold cores 203, the upper mold core 103 and the lower mold core 204 are enclosed to form a molding cavity, the upper mold assembly 1 and the lower mold assembly 2 are provided with a plurality of feeding ports 105 and air outlets 106, the feeding ports 105 and the air outlets 106 are respectively connected with a feeding pipeline 1051 and an air outlet pipeline 1061, and the feeding pipeline 1051 and the air outlet pipeline 1061 are communicated with the molding cavity.

Referring to fig. 1-3, a spacer is fixed between the lower die base 201 and the lower die plate 202, and the spacer makes a gap between the lower die base 201 and the lower die plate 202. The lower die assembly 2 further comprises an ejector plate 207, the ejector plate 207 is located between the lower die holder 201 and the lower die plate 202, a plurality of ejector pins are fixed on the ejector plate 207, and the ejector pins penetrate through the lower die plate 202 and the lower die core 204 and extend into the molding cavity. The plurality of pins include a first pin 208 and a second pin 209, the first pin 208 corresponds to the upper mold core 103, and the second pin 209 corresponds to the horizontal portion 302. The ejector plate 207 is also fixed with a driving assembly 210, and the driving assembly 210 drives the ejector plate 207 to do reciprocating linear motion between the lower die holder 201 and the lower die plate 202.

When the mould is used, the four driving air cylinders respectively drive the four side mould cores 203 to move towards the upper mould core 103 and the lower mould core 204, and the side mould cores 203 reach the furthest end of the stroke to form a forming cavity with the upper mould core 103 and the lower mould core 204. The first side core 2031 drives the sub-cores 205 to move synchronously while moving toward the upper and lower cores 103 and 204. When the upper mold assembly 1 and the lower mold assembly 2 are closed, and the upper mold plate 102 and the lower mold plate 202 approach each other, the oblique guide post 104 moves obliquely downward in the driving channel 2062, and the oblique guide post 104 drives the core back block 2061 to move toward the core back 205. The core block 2061 drives the core insert 205 downward in the vertical direction during the forward movement until the mold closing is completed.

During injection molding, injection molding solution enters the molding cavity through the feeding port 105 and the feeding pipeline 1051 for injection molding.

After the injection molding is completed, the upper mold assembly 1 and the lower mold assembly 2 are opened, the inclined guide post 104 drives the core pulling block 2061 to move towards the direction far away from the mold core 205, and the core pulling block 2061 drives the lower mold core 205 to move upwards in the vertical direction to perform core pulling until the mold opening is completed; the four driving cylinders respectively drive the four side mold cores 203 to move towards the direction far away from the upper mold core 103 and the lower mold core 204, and horizontal mold opening is carried out; the first thimble 208 and the second thimble 209 are driven by the thimble plate 207 to eject the tops of the horizontal portion 302 and the vertical portion 301 of the injection product 3, respectively, and then the injection product 3 is taken out.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (8)

1. A novel inclined guide pillar forming mechanism is used for injection molding of injection products, the injection products comprise a vertical portion and a horizontal portion which are connected with each other, the outer side surface of the vertical portion is a vertical side surface, the top surface of the horizontal portion is provided with an inward concave groove, the bottom of the groove is provided with a through hole, the open area of the through hole is smaller than the area of the bottom of the groove, the novel inclined guide pillar forming mechanism is characterized by comprising an upper die assembly and a lower die assembly which are oppositely arranged, an upper die core and a lower die core are respectively fixed on the upper die assembly and the lower die assembly, the lower die assembly is movably provided with at least four side die cores which are positioned around the upper die core and the lower die core, at least four driving pieces are fixed on the lower die assembly, the driving pieces correspond to the side die cores one by one and respectively drive the side die cores to reciprocate on the lower die assembly along the horizontal direction, and the four side die cores comprise a first side die core, the utility model discloses a core pulling machine, including horizontal part, first side mould benevolence, installation cavity, sub mould benevolence, installation cavity, sub mould benevolence, core pulling assembly, the installation cavity is provided with sub mould benevolence, the first side mould benevolence is corresponding with horizontal part top surface position, be provided with sub mould benevolence on the horizontal part top surface, the installation cavity has been seted up on the first side mould benevolence, sub mould benevolence is located the installation cavity, still the activity is fixed with the subassembly of loosing core of being connected with sub mould benevolence drive in the installation cavity, the subassembly of loosing core is loosed core to sub mould benevolence.

2. The novel angle beam forming mechanism of claim 1, wherein: the installation cavity runs through first side benevolence along the horizontal direction, the subassembly of loosing core includes the core piece, the both ends of core piece are the drive end respectively and loose the core the end, it inlays to establish in the installation cavity and is connected with the drive of submodule benevolence to loose the core the end, the drive end is located the installation cavity and has seted up drive channel outward, drive channel leans out to the lower part of drive end towards the direction of keeping away from the installation cavity by the upper portion of drive end, go up to be fixed with on the mould subassembly with drive channel assorted guide pillar to one side, reciprocal linear motion is at the installation cavity to the guide pillar and the drive channel drive core piece of mutually supporting to one side.

3. The novel angle beam forming mechanism of claim 2, wherein: the side face, far away from the core-pulling end, of the driving end is an inclined face, the inclined angle of the inclined face is the same as that of the driving channel, the corresponding position of the upper die assembly and the inclined face is a matching face, and the matching face and the inclined face are mutually attached.

4. The novel angle beam forming mechanism of claim 2, wherein: the top surface of son mould benevolence is the driving surface, the slope of driving surface sets up, the incline direction of driving surface is the same with drive channel's incline direction, the end of loosing core is provided with driving surface assorted binding face, be fixed with the slider that extends along driving surface inclination direction on the driving surface, seted up on the binding face with slider assorted spout, the slider inlays to be established in the spout, it is reciprocal linear motion to pass through slider and spout driving son mould benevolence in vertical direction to take out the piece.

5. The novel angle beam forming mechanism of claim 1, wherein: the mould comprises an upper mould component and a lower mould component, and is characterized in that an interval is arranged between the upper mould component and the lower mould component, four installation frame bodies are fixed on the outer side surface of the lower mould component, four driving pieces are respectively fixed on four installation frames, and the driving pieces penetrate through a gap between the upper mould component and the lower mould component and are in driving connection with side mould cores.

6. The novel angle beam forming mechanism of claim 1, wherein: the four side mould benevolence and last mould benevolence, lower mould benevolence enclose to close and form the shaping chamber, go up and seted up a plurality of pay-off mouths and gas outlet on the mould subassembly and the lower mould subassembly, pay-off mouth and gas outlet are connected with feeding pipeline and pipeline of giving vent to anger respectively, feeding pipeline and pipeline of giving vent to anger communicate with the shaping chamber each other.

7. The novel angle beam forming mechanism of claim 6, wherein: the lower die assembly comprises an ejector plate, a plurality of ejector pins are fixed on the ejector plate, and the ejector pins penetrate through the lower die assembly and the lower die core and extend into the forming cavity.

8. The novel angle beam forming mechanism of claim 7, wherein: the plurality of thimbles include first thimble and second thimble, first thimble corresponds with last mould benevolence position, the second thimble corresponds with the horizontal part position.

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