CN218660282U - A slider advances gluey mould structure for shaping car seat guide pin bushing - Google Patents

Abstract

The utility model discloses a slider advances gluey mould structure for shaping car seat guide pin bushing, including upper die kernel, lower die kernel, a plurality of slider, form the die cavity between the three, the upper die kernel sets up the injecting glue mouth, the lower die kernel sets up the glue inlet hole that communicates with the die cavity, at least one slider surface is seted up middle runner, middle runner intercommunication injecting glue mouth and glue inlet hole, the slider sets up ejection hole, ejection hole one end communicates middle runner, the ejection hole other end runs through the slider, the lower die kernel sets up a plurality of through-holes, be equipped with the ejector pin in the through-hole, ejector pin and through-hole clearance fit; a guide structure is arranged between the upper die core and the slide block, the guide structure enables the slide block to be close to or far away from the lower die core along the horizontal direction, the slide block is tightly attached to the lower die core during injection molding, and the ejection hole and the through hole are arranged in a staggered manner; when the mold is opened, the slide block is far away from the lower mold core, and the ejection hole corresponds to the through hole. The automatic ejection and demolding device has the effects of compact structure, automatic ejection and demolding of a molded product, cost reduction, automatic breakage and falling of the stub bar, and reduction of procedures of trimming the stub bar and repairing the molded product.

Description

A slider advances gluey mould structure for shaping car seat guide pin bushing

Technical Field

The utility model relates to an injection mold technical field, in particular to a slider advances glued membrane mould structure for shaping car seat guide pin bushing.

Background

Injection molding, also known as injection molding, is a method of stirring a completely molten plastic material by a screw at a certain temperature, injecting the material into a mold cavity under high pressure, and cooling and solidifying the material to obtain a molded article.

The chinese patent with the existing publication number CN 217531731U discloses a rubber frame injection mold, which comprises: the mold comprises a lower template, a mold core, four sliding blocks, four runners and an upper template, wherein a cavity is formed between the four sliding blocks and the mold core, at least one protruding part is arranged on one surface of each sliding block facing the mold core, each protruding part is provided with a glue inlet, each glue inlet is communicated with the cavity respectively, each runner is arranged on one sliding block, the runners are communicated with the glue inlets respectively, the upper template and the lower template are arranged at intervals, and the upper template is used for movably sealing the cavity.

However, the injection mold described above has the following disadvantages: the slider is driven to do linear reciprocating motion through a driving device such as an oil cylinder, the oil cylinder can enlarge the whole occupied area of the die, and in addition, a formed product of the die is not provided with an ejection mechanism after being formed, so that the die is not convenient to demold.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a slider advances gluey mould structure for shaping car seat guide pin bushing, adopt and install a plurality of sliders additional and form the die cavity jointly between upper die benevolence and lower die benevolence, set up into gluey middle runner on one of them slider surface, it keeps away from the shaping article to drive the slider through guide structure during follow-up die sinking, make stub bar on the slider separate with the shaping article on the lower die benevolence mutually, correspond ejecting stub bar and shaping article from the slider through the ejector pin at last, compact structure has, the automatic ejecting drawing of patterns of shaping article, the effect that the stub bar automatic fracture drops.

The above technical purpose of the present invention can be achieved by the following technical solutions: a sliding block glue feeding die structure for forming a guide sleeve of an automobile seat comprises an upper die core, a lower die core and a plurality of sliding blocks, wherein a cavity is formed among the upper die core, the lower die core and the sliding blocks, a glue injection port is formed in the upper die core, a glue feeding hole is formed in the lower die core, the glue feeding hole is communicated with the cavity, an intermediate runner is formed in the surface of at least one sliding block and is communicated with the glue injection port and the glue feeding hole, an ejection hole is further formed in the sliding block, one end of the ejection hole is communicated with the intermediate runner, the other end of the ejection hole penetrates through the sliding block, a plurality of through holes are formed in the lower die core, ejector rods are arranged in the through holes, and the ejector rods are movably matched with the through holes; a guide structure is arranged between the upper die core and the plurality of sliding blocks, the sliding blocks are close to or far away from the lower die core along the horizontal direction by the guide structure, when the injection molding is carried out, the sliding blocks are attached to the lower die core, and the ejection holes and the through holes are arranged in a staggered manner; when the mold is opened, the slide block is far away from the lower mold core, and the ejection hole corresponds to the through hole.

By adopting the technical scheme, when the injection molding is started, the upper mold core is covered on the lower mold core, the plurality of sliding blocks are enclosed between the upper mold core and the lower mold core, so that a cavity is formed between the upper mold core, the lower mold core and the plurality of sliding blocks, at the moment, two ends of a middle runner of one sliding block are respectively communicated with the glue injection port and the glue inlet hole, then, the glue is injected from the glue injection port for injection molding, the whole middle runner of the sliding block and the glue in the ejection hole jointly form a stub bar, the upper mold core is lifted upwards by external driving force after molding, and under the guiding action of the guiding structure, make a plurality of sliders horizontal direction keep away from lower mould benevolence, let the exit end of middle runner keep away from the entry end of advancing the gluey hole, so, make the stub bar in the slider separate each other between advancing gluey hole position and the shaping article, realize the automatic peeling off of stub bar from the shaping article, a plurality of sliders can only move along the horizontal direction, when the slider slides to the farthest end apart from the shaping article, through-hole and ejecting hole center coincidence, through outside drive power effect ejector pin, the ejector pin passes the through-hole in proper order and stretches into in the ejecting hole, make the stub bar break away from the slider. The mould has the effects of compact structure, automatic ejection and demoulding of a formed product and automatic breaking and falling of a stub bar during mould opening.

The utility model discloses a further set up to: the aperture of one through hole corresponding to the ejection hole is smaller than or equal to the aperture of the ejection hole.

By adopting the technical scheme, the size of one through hole corresponding to the ejection hole is smaller than or equal to that of the ejection hole, so that the ejector rod can smoothly penetrate into the ejection hole from the through hole, and a formed product is ejected from the sliding block.

The utility model discloses a further set up to: the guide structure comprises an inclined guide post and a guide hole, the guide hole is obliquely arranged on the sliding block, and the inclined guide post is matched with the guide hole in a guiding mode.

Through adopting above-mentioned technical scheme, going up reciprocating of mould benevolence and can driving oblique guide pillar synchronous displacement, saved extra drive power that acts on oblique guide pillar, save cost and space.

The utility model discloses a further set up to: the upper die core is provided with a plurality of fixing blocks, mounting holes are obliquely formed in the fixing blocks, and the oblique guide posts are mounted in the mounting holes.

Through adopting above-mentioned technical scheme, oblique guide pillar fixed mounting is on the fixed block around last mould benevolence, makes things convenient for follow-up change to oblique guide pillar.

The utility model discloses a further set up to: the end part of the inclined guide post is hemispherical.

Through adopting above-mentioned technical scheme, hemispherical guide pillar tip to one side can effectively reduce to one side when the guide pillar slides in the guiding hole, and its tip leads to damaging with the hard friction of guiding hole inner wall.

The utility model discloses a further set up to: and a lubricating coating is arranged between the guide hole and the inclined guide post.

Through adopting above-mentioned technical scheme, lubricated picture layer can effectively reduce the frictional force between oblique guide pillar lateral wall and the guide pillar inner wall, improves the utility model discloses a life.

The utility model discloses a further set up to: one end of the glue inlet hole close to the cavity is smaller than one end of the glue inlet hole far away from the cavity.

Through adopting above-mentioned technical scheme, when the shaping article was kept away from to the slider, the stub bar can guarantee to be close to in the one end that advances the gluey hole and be close to the die cavity with the fracture position of shaping article.

The utility model discloses a further set up to: the glue inlet hole is formed in the side wall of the cavity of the lower die core.

By adopting the technical scheme, when the stub bar is separated from the formed product, the fracture part is positioned on the side surface of the formed product instead of the surface of the formed product, so that the surface of the product is free from subsequent repair and is more attractive.

The utility model discloses a further set up to: the lower die core is provided with a plurality of cooling water channels.

By adopting the technical scheme, the injection molding can be completed and then the injection molding can be carried out by filling the circulating cooling water into the cooling water channel for cooling, so that the molding speed of a molded product is increased, the time cost is saved, and the industrial production is facilitated.

The utility model discloses a further set up to: the lower die core is provided with a plurality of slide ways, the slide block is provided with slide rails corresponding to the slide ways, and the slide rails are in sliding fit with the slide ways.

Through adopting above-mentioned technical scheme, through the sliding fit of slide and slide rail, can prevent effectively that the relative lower mould benevolence straight line horizontal direction of slider from taking place the skew, making the utility model discloses through-hole and ejecting hole should not go up when gluing and die sinking are ejecting, and the finished product when influencing the gluing and the die sinking is ejecting.

To sum up, the utility model discloses following beneficial effect has: a plurality of slide blocks are additionally arranged between an upper mold core and a lower mold core to form a mold cavity together, a middle runner for feeding glue is arranged on the surface of one slide block, the slide block is driven to be away from a formed product through a guide structure during subsequent mold opening, so that a material head on the slide block is separated from the formed product on the lower mold core, and finally, the stub bar correspondingly ejects the stub bar and the formed product from the slide block, so that the automatic ejection demolding mechanism has the effects of compact structure, automatic ejection and demolding of the formed product, cost reduction, automatic breakage and falling of the stub bar, reduction of procedures for trimming the stub bar and repairing the formed product, and complete appearance.

Drawings

Fig. 1 is a structural diagram of the present invention, which is in a mold closing state.

Fig. 2 is another structural diagram of the present invention, which is in the state of opening the mold.

Fig. 3 is a longitudinal sectional view of the present invention, in a mold clamping state.

Fig. 4 is a plan view of the present invention, in the open state.

Fig. 5 isbase:Sub>A cross-sectional view of the cross-sectionbase:Sub>A-base:Sub>A of fig. 4 according to the present invention.

Fig. 6 is a longitudinal sectional view of the ejector pin of the present invention when ejecting the stub bar and the molded product, and the upper die core and the inclined guide post are not shown.

Fig. 7 is a cross-sectional view of the cross section B-B in fig. 4 when the ejector pin ejects the stub bar and the molded product, and the upper die core and the inclined guide post are not shown.

In the figure: 1. an upper die core; 11. a glue injection port; 2. a lower die core; 21. a glue inlet hole; 22. a through hole; 221. a top rod; 23. a cooling water channel; 24. a slideway; 3. a slider; 31. an intermediate flow passage; 32. an ejection aperture; 33. a guide hole; 34. a slide rail; 4. a fixed block; 40. mounting holes; 41. an inclined guide post; 5. a mold cavity.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

A slide block glue inlet mould structure for forming a guide sleeve of an automobile seat is disclosed, as shown in figure 1-3, and comprises an upper mould core 1, a lower mould core 2 and four slide blocks 3, wherein the four slide blocks 3 are respectively positioned at the periphery of the lower mould core 2, two sides of each slide block 3 are respectively provided with a limiting block, a corresponding limiting structure is arranged in external equipment corresponding to the limiting blocks, the limiting structures are not shown, the limiting blocks are in limiting sliding fit with the limiting structures, so that the four slide blocks 3 can only slide along a horizontal straight line direction, a mould cavity 5 is formed between the upper mould core 1, the lower mould core 2 and the four slide blocks 3 in a mould closing state, the upper mould core 1 is provided with a glue injection opening 11, the lower mould core 2 is provided with a glue inlet 21, the glue inlet 21 is communicated with the mould cavity 5, the surface of one slide block 3 is provided with a middle runner 31, the middle runner 31 is communicated with the glue injection opening 11 and the glue inlet 21, the slide block 3 is also provided with a top outlet 32, one end of the ejecting hole 32 is communicated with the middle runner 31, the other end of the ejecting hole 32 is communicated with the end surface of the sliding block 3, the lower die core 2 is correspondingly provided with three through holes 22, one through hole 22 is arranged corresponding to the ejecting hole 32 of the sliding block 3 when the die is opened, the other two through holes 22 are arranged on the lower die core 2 corresponding to the two sides of the bottom of the formed product, the size of one through hole 22 corresponding to the ejecting hole 32 is smaller than or equal to that of the ejecting hole 32, so that the corresponding ejecting rod 221 can smoothly penetrate into the ejecting hole 32 from the through hole 22, the formed product is ejected from the sliding block 3, the ejecting rod 221 is arranged in the through hole 22, the ejecting rod 221 is in sliding fit with the through hole 22, a driving device is arranged below the ejecting rod 221, the driving device is not shown, the driving device drives the ejecting rod 221 to move up and down linearly, and the driving device can be an oil cylinder or other device capable of enabling the ejecting rod 221 to move up and down linearly.

As shown in fig. 5-7, a lifting device is disposed above the upper mold core 1, the lifting device can move the upper mold core 1 in a vertical linear direction, the lifting device can be an oil cylinder or other device for moving the upper mold core 1 in a linear direction, an upper mold plate (not shown) is disposed above the upper mold core 1, the lower end of the upper mold plate is fixedly connected with the upper mold core 1 and four fixed blocks 4, the four fixed blocks 4 are respectively enclosed around the upper mold core 1, a guide structure is disposed between the fixed blocks 4 and the four sliders 3, the guide structure enables the sliders 3 to be horizontally close to or far away from the lower mold core 2, the guide structure includes an inclined guide post 41 and a guide hole 33, the guide hole 33 is obliquely disposed on the sliders 3, an inclined mounting hole 40 is disposed in the middle of each fixed block 4 corresponding to the guide hole 33, the inclined guide post 41 is fixedly mounted in the mounting hole 40, the inclined guide post 41 is fixedly mounted on the fixed block 4, unlike the case that the inclined guide post 41 is directly welded around the upper mold core 1, and the arrangement of the fixed block 4 can facilitate the subsequent change of the inclined guide post 41; the inclined guide posts 41 are in one-to-one corresponding guiding fit with the guide holes 33, the inclined guide posts 41 can be driven to synchronously move by the up-and-down movement of the upper die core 1, additional driving force acting on the inclined guide posts 41 is omitted, cost and space are saved, when the slide block 3 is far away from the lower die core 2 to the farthest end, the center of the through hole 22 is superposed with the center of the ejection hole 32, the ejection hole 32 and the through hole 22 are arranged in a staggered mode before injection molding, the upper die core 1 is covered on the lower die core 2, the four slide blocks 3 are matched with the upper die core 1 and the lower die core 2 through the guiding fit of the guide structure to form a die cavity 5, then injection molding can be started, and the lower end of the slide block 3 is always attached to the upper resisting table top of the lower die core 2 in the whole injection molding process; after the injection molding is completed, the upper mold core 1 is driven to be lifted upwards by the lifting device, the lifting device is not shown, the four sliding blocks 3 are far away from the molded product in the horizontal direction through the guiding effect of the guiding structure until the ejection holes 32 correspond to the through holes 22, in the process of keeping away from the molded product, the stub bars in the sliding blocks 3 are mutually broken between the positions of the glue feeding holes 21 and the molded product, and then the stub bars and the molded product can be ejected through the ejector rods 221.

As shown in fig. 3 and 5, the end of the inclined guide post 41 is hemispherical, and the hemispherical end of the inclined guide post 41 can effectively reduce the damage caused by hard friction between the end of the inclined guide post 41 and the inner wall of the guide hole 33 when the inclined guide post 41 slides in the guide hole 33; 41 outer walls of oblique guide pillar scribble lubricating grease or lubricating oil, and after oblique guide pillar 41 inserted guiding hole 33, form the lubricant coating between oblique guide pillar 41 and the guiding hole 33, the lubricated picture layer can effectively reduce the frictional force between 41 lateral walls of oblique guide pillar and the guide pillar inner wall, improves the utility model discloses a life.

As shown in fig. 5-7, the end of the glue inlet hole 21 close to the cavity 5 is smaller than the end of the glue inlet hole 21 far from the cavity 5, when the slider 3 is far from the molded product, the fracture position of the stub bar and the molded product can be ensured to be close to the end of the glue inlet hole 21 close to the cavity 5, and the fracture separation of the molded product and the stub bar is realized; in addition, the position of the outlet of the glue inlet hole 21 is arranged at the position of the side wall of the lower die core 2 far away from the surface of the formed part, for example, the position is arranged at the position corresponding to the middle part of the formed part, when the stub bar is separated from the formed part, the fracture part is positioned at the side surface of the formed part instead of the surface of the formed part, so that the surface of the formed part formed by injection molding is very attractive, and the surface of the product does not need to be repaired subsequently.

As shown in fig. 3 and 5, the lower mold core 2 is provided with a plurality of cooling water channels 23, and after the injection molding is completed, the cooling water channels 23 can be filled with circulating cooling water for cooling, so that the molding speed of the molded product is increased, the time cost is saved, and the industrial production is facilitated.

As shown in fig. 2, a plurality of slides 24 have been seted up to lower mould benevolence 2, and slide rail 34 has been seted up to slide 3 corresponding slide 24, slide rail 34 and slide 24 sliding fit, through the sliding fit of slide 24 with slide rail 34, can prevent effectively that slide 3 relative lower mould benevolence 2 straight line horizontal direction from taking place the skew, make the utility model discloses through-hole 22 and ejecting hole 32 correspond not last when the injecting glue is ejecting with the die sinking, and the shaping article when the die sinking is ejecting in the influence injecting glue.

The utility model discloses a basic operating principle does: when injection molding starts, the upper mold core 1 covers the lower mold core 2, the plurality of sliding blocks 3 are arranged between the upper mold core 1 and the lower mold core 2 in a surrounding mode, a cavity 5 is formed among the upper mold core 1, the lower mold core 2 and the plurality of sliding blocks 3, at the moment, two ends of a middle runner 31 of one sliding block 3 are respectively communicated with a glue injection port 11 and a glue inlet 21, then injection molding is carried out through glue injection from the glue injection port 11, the whole middle runner 31 of the sliding block 3 and glue in an ejection hole 32 form a material head together, the upper mold core 1 is lifted upwards through external driving force after molding, the plurality of sliding blocks 3 are horizontally far away from the lower mold core 2 through the guiding function of a guiding structure, the outlet end of the middle runner 31 is far away from the inlet end of the glue inlet 21, so that the material head in the sliding block 3 is separated from a molded product at the position of the glue inlet 21, automatic stripping of the material head from the molded product is realized, the plurality of sliding blocks 3 can only move along the horizontal direction, when the sliding block 3 slides to the farthest end from the molded product, the center of the through hole 22 is superposed with the center of the ejection hole 32, the outer driving force 221, and the sliding block 221 sequentially passes through the ejection rod 22 and the ejection hole 221, and the ejection rod 3 to separate from the ejection rod 32. The mould has the effects of compact structure, automatic ejection and demoulding of a formed product and automatic breaking and falling of a stub bar when the mould is opened.

The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.

Claims (10)

1. The utility model provides a slider advances gluey mould structure for shaping car seat guide pin bushing, is including last mould benevolence (1), lower mould benevolence (2), a plurality of slider (3), go up mould benevolence (1) lower mould benevolence (2) and a plurality of form die cavity (5) between slider (3), go up mould benevolence (1) and seted up injecting glue mouth (11), lower mould benevolence (2) have been seted up and have been advanced gluey hole (21), advance gluey hole (21) with die cavity (5) intercommunication, its characterized in that:

a middle runner (31) is formed in the surface of at least one sliding block (3), the middle runner (31) is communicated with the glue injection port (11) and the glue inlet hole (21), the sliding block (3) is further provided with a jacking hole (32), one end of the jacking hole (32) is communicated with the middle runner (31), the other end of the jacking hole (32) penetrates through the sliding block (3), the lower mold core (2) is provided with a plurality of through holes (22), a jacking rod (221) is arranged in each through hole (22), and the jacking rod (221) is movably matched with the through holes (22); a guide structure is arranged between the upper die core (1) and the plurality of sliding blocks (3), the sliding blocks (3) are close to or far away from the lower die core (2) along the horizontal direction by the guide structure, when the injection molding is carried out, the sliding blocks (3) are tightly attached to the lower die core (2), and the ejection holes (32) and the through holes (22) are arranged in a staggered manner; when the mold is opened, the sliding block (3) is far away from the lower mold core (2), and the ejecting hole (32) corresponds to the through hole (22).

2. The slide block glue feeding die structure for forming the guide sleeve of the automobile seat as claimed in claim 1, wherein: the aperture of one through hole (22) corresponding to the ejection hole (32) is smaller than or equal to the aperture of the ejection hole (32).

3. The slide block glue feeding die structure for forming the guide sleeve of the automobile seat as claimed in claim 1, wherein: the guide structure comprises an inclined guide post (41) and a guide hole (33), the guide hole (33) is obliquely arranged on the sliding block (3), and the inclined guide post (41) is matched with the guide hole (33) in a guiding mode.

4. The slide block glue feeding die structure for forming the guide sleeve of the automobile seat as claimed in claim 3, wherein: the upper die core (1) is provided with a plurality of fixing blocks (4), the fixing blocks (4) are obliquely provided with mounting holes (40), and the oblique guide pillars (41) are mounted in the mounting holes (40).

5. The slide block glue feeding die structure for forming the guide sleeve of the automobile seat as claimed in claim 3, wherein: the end part of the inclined guide post (41) is hemispherical.

6. The slide block glue feeding die structure for forming the guide sleeve of the automobile seat as claimed in claim 3, wherein: and a lubricating coating is arranged between the guide hole (33) and the inclined guide post (41).

7. The slide block glue feeding die structure for forming the guide sleeve of the automobile seat as claimed in claim 1, wherein: one end of the glue inlet hole (21) close to the cavity (5) is smaller than one end of the glue inlet hole (21) far away from the cavity (5).

8. The slide block glue feeding mold structure for molding the guide sleeve of the automobile seat as claimed in claim 1, wherein: the glue inlet hole (21) is arranged on the side wall of the cavity (5) of the lower die core (2).

9. The slide block glue feeding die structure for forming the guide sleeve of the automobile seat as claimed in claim 1, wherein: the lower die core (2) is provided with a plurality of cooling water channels (23).

10. The slide block glue feeding die structure for forming the guide sleeve of the automobile seat as claimed in claim 1, wherein: the lower die core (2) is provided with a plurality of slide ways (24), the slide block (3) is provided with slide rails (34) corresponding to the slide ways (24), and the slide rails (34) are in sliding fit with the slide ways (24).

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