CN210501257U - Back-off demoulding device and automobile bumper mould - Google Patents
Back-off demoulding device and automobile bumper mould Download PDFInfo
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- CN210501257U CN210501257U CN201921175321.XU CN201921175321U CN210501257U CN 210501257 U CN210501257 U CN 210501257U CN 201921175321 U CN201921175321 U CN 201921175321U CN 210501257 U CN210501257 U CN 210501257U
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Abstract
The utility model provides a back-off shedder and car bumper mould, wherein back-off shedder includes big kicking block and back-off subassembly. Set up a lateral wall that is used for forming the core of moulding plastics on big kicking block, when the back-off subassembly passes through the lateral wall butt of slide rail set spare with big kicking block, make big kicking block and back-off subassembly form complete core of moulding plastics, wherein, be provided with the lateral wall butt that is used for forming the core on back-off subassembly and the big kicking block, after the material of moulding plastics of the core injection molten state between the two, treat that the cooling can form the buckle structure of car bumper, during the die sinking, only need to pass through slide rail set spare with the back-off subassembly and keep away from the lateral wall on the big kicking block, can take out the buckle structure of the car bumper after moulding plastics, can not break the buckle structure of car bumper, guarantee the integrality of protection car bumper. The utility model also provides an automobile bumper mould, demold through back-off shedder.
Description
Technical Field
The utility model relates to a mould equipment technical field, in particular to back-off shedder and car bumper mould.
Background
The front end and the rear end of the automobile are provided with bumpers which not only have the decoration function, but also are more important to be safety devices which absorb and buffer the external impact force and protect the automobile body and passengers. Therefore, to the different shapes of car bumper, the injection mould structure that needs is also different, along with people require higher and higher to car product outward appearance, behind the car bumper of utilizing the mould to mould plastics, need carry out the drawing of patterns, however, to the fastener on the car bumper, buckle structure for example, its drawing of patterns mode is more complicated, makes buckle structure or the protruding atress rupture of buckle on the bumper easily, influences the block stability between bumper product and the automobile body, can influence the protect function of bumper product even.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a back-off shedder, the buckle structure or buckle arch that aim at on solving the car bumper are difficult for the drawing of patterns at the drawing of patterns process, and the technical problem of easy atress rupture.
In order to achieve the above object, the utility model provides a back-off shedder, include: the large top block is provided with a side wall for forming an injection mold core, and the large top block is also provided with at least one group of slide rail components;
the reverse-buckling component is connected with the large top block in a sliding manner through the sliding rail component;
when the reverse-buckling assembly is abutted to the side wall of the large top block through the slide rail assembly, the large top block and the reverse-buckling assembly form a complete injection molding core.
Preferably, every group the slide rail set spare includes guide block and a plurality of mounting, the guide block set up in on the big kicking block, be provided with a plurality of running through on the guide block the first fixed orifices of guide block, the back-off subassembly includes:
the slider, the slider is close to the one end of guide block is equipped with the spout, the guide block set up in the spout and with the cell wall sliding connection of spout, be provided with a plurality of holes of keeping away that run through the slider on the slider, it is a plurality of keep away the hole with a plurality of first fixed orifices one-to-one, it is a plurality of the mounting is through corresponding keep away the hole and set up in corresponding in the first fixed orifices, so that the guide block is fixed in on the big kicking block.
Preferably, one side of the sliding groove, which is close to the side wall of the large top block, is closed, and when the sliding block is far away from the side wall of the large top block, the guide block is abutted against the groove wall of the sliding groove.
Preferably, be provided with on the slider and run through the spacing hole of slider, the back-off subassembly still includes:
the limiting needle is arranged in the limiting hole;
when the sliding block abuts against the side wall of the large top block, the limiting needle is used for fixing the sliding block on the large top block.
Preferably, on the big kicking block and towards one side of spacing hole is provided with second fixed orifices and first spacing groove, first spacing groove with the second fixed orifices intercommunication, work as the slider with on the big kicking block during lateral wall butt, the second fixed orifices with spacing hole is linked together, back-off shedder still includes:
the first limiting block is provided with a bayonet and is arranged in the first limiting groove, and the bayonet is communicated with the second fixing hole;
when the limiting needle is separated from the second fixing hole and the sliding block is far away from the side wall on the large top block, the limiting needle is clamped in the clamping opening.
Preferably, be provided with the second spacing groove on the slider, back-off shedder still includes:
and one end of the second limiting block is fixed on the large top block, and the other end of the second limiting block is arranged in the second limiting groove to limit the sliding block.
Preferably, be provided with the groove that resets on the big kicking block, back-off shedder still includes:
the reset spring is arranged in the reset groove, and when the slide block is far away from the side wall on the large top block, the reset spring is used for providing elasticity for the slide block.
Preferably, the back-off demoulding device further comprises:
the wear-resistant blocks are arranged on the large top block, and the wear-resistant blocks are located at the sliding connection position of the large top block and the sliding block.
The utility model also provides an automobile bumper mould, which comprises any one of the back-off demoulding device and the back-off demoulding device,
the large top block is arranged on the substrate.
Preferably, the base plate is provided with a limiting protrusion, and when the back-off assembly is far away from the side wall on the large top block, the limiting protrusion is used for limiting the displacement of the back-off assembly.
The utility model discloses technical scheme is through setting up a lateral wall that is used for forming the core of moulding plastics on big kicking block, when the back-off subassembly passes through the lateral wall butt of slide rail set spare and big kicking block, make big kicking block and back-off subassembly form the complete core of moulding plastics, wherein, after the lateral wall butt on back-off subassembly and the big kicking block, after the material of moulding plastics of molten condition is injected into to the core of moulding plastics between the two, treat that the cooling can form the buckle structure of car bumper, during the die sinking, only need to pass through slide rail set spare with the back-off subassembly and keep away from the lateral wall on the big kicking block, can take out the buckle structure of the car bumper after moulding plastics, can not break the buckle structure of car bumper, guarantee the integrality of protection car.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment of the inverted buckle demolding device of the present invention;
FIG. 2 is a schematic structural view of another embodiment of the reverse demolding device of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at N;
FIG. 4 is a schematic structural view of a slider according to another embodiment of the inverted demolding device of the present invention;
FIG. 5 is a schematic structural view of a slide block according to another embodiment of the inverted buckle mold releasing device of the present invention;
fig. 6 is an exploded schematic view of a slider according to an embodiment of the present invention.
The reference numbers illustrate:
the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a back-off shedder.
As shown in fig. 1 to 6, an inverted ejector apparatus includes: the injection molding mold comprises a large top block 10, wherein a side wall for forming an injection molding core is arranged on the large top block 10, and at least one group of sliding rail assemblies are further arranged on the large top block 10; the reverse buckle assembly 20 is connected with the large top block 10 in a sliding mode through the sliding rail assembly; when the inverted assembly 20 abuts against the side wall of the large top block 10 through the slide rail assembly, the large top block 10 and the inverted assembly 20 form a complete injection mold core.
The structure of car bumper is complicated, except the many curved surface structure, some are used for buckle structure with bumper block or lock on the car in addition, this kind of buckle structure possesses colludes the form arch, consequently, mould plastics after big kicking block 10 (or the lower die body of mould) sets up the core, after the completion of moulding plastics, if directly according to traditional die sinking mode, be about to mould plastics good car bumper and when colluding the bellied position of form and take out, the buckle structure of car bumper breaks easily, lead to the product to scrap, consequently, there is very big die sinking degree of difficulty, and be unfavorable for protecting the integrality of car bumper.
In view of this, the present invention provides a sidewall for forming an injection mold core on a large top block 10, for example, a notch can be directly formed on the large top block 10, a part of the injection mold core is disposed on any sidewall of the notch, in addition, a back-off component 20 is separately disposed, a part of the injection mold core can be disposed on the back-off component 20, for example, the injection mold core for producing a buckle structure on a bumper of an automobile is divided into two parts, which are respectively named as a first mold core and a second mold core, the first mold core is disposed on the sidewall of the large top block 10, the second mold core is disposed on the back-off component 20, when the back-off component 20 abuts against the sidewall of the large top block 10 through a slide rail component, the first mold core and the second mold core are assembled to form a complete injection mold core with the large top block 10 and the back-off component 20 against the sidewall of the large top block 10, wherein, after the back-off component 20 abuts against the sidewall of the large, after injecting the material of moulding plastics of molten state into toward the mould plastics core between the two, treat that the cooling can form the buckle structure of car bumper, during the die sinking, only need to keep away from lateral wall on the big kicking block 10 with back-off subassembly 20 through slide rail set, make first mold core and second mold core part, can take out the buckle structure of the car bumper after moulding plastics, can not break the buckle structure of car bumper, guarantee the integrality of protection car bumper.
As another preferred scheme, a mold core can be directly arranged on the large top block 10, the inverted component 20 is used for sealing the mold core on the large top block 10, when the inverted component 20 abuts against the side wall on the large top block 10 through the slide rail component, the mold core is surrounded into a complete injection mold core by the slide block 23, namely, the large top block 10 and the inverted component 20 form the complete injection mold core, when the mold is opened, the inverted component 20 only needs to be far away from the side wall on the large top block 10 through the slide rail component, the buckle structure of the injection molded automobile bumper can be taken out towards the inverted component 20, the buckle structure of the automobile bumper can not be broken, and the integrity of the automobile bumper is guaranteed.
It can be understood that the aforesaid regards as the application scene with the car bumper product, is convenient for describe the utility model discloses a back-off shedder, above-mentioned back-off shedder except being used for the car bumper on the field of moulding plastics, can be used for moulding plastics other products equally, consequently, the utility model discloses a back-off shedder is applicable to other injection moulding products equally, does not do the restriction here.
Specifically, every group the slide rail set spare includes guide block 21 and a plurality of mounting 22, guide block 21 set up in on the big kicking block 10, be provided with a plurality of running through on the guide block 21 the first fixed orifices A of guide block 21, back-off component 20 includes: the slider 23, the slider 23 is close to the one end of guide block 21 is equipped with spout B, guide block 21 set up in the spout B and with spout B's cell wall sliding connection, be provided with a plurality of clearance holes C that run through slider 23 on the slider 23, it is a plurality of clearance holes C and a plurality of first fixed orifices A one-to-one, a plurality of mounting 22 is through corresponding clearance holes C set up in corresponding in the first fixed orifices A, so that guide block 21 is fixed in on the big kicking block 10. Based on above structure, every group slide rail set spare includes guide block 21 and a plurality of mounting 22, can understand, guide block 21 can be T shape structure, or trapezium structure, or V-arrangement structure etc, guide block 21 is fixed in on big kicking block 10, be fixed in foretell breach promptly, simultaneously, in order to be convenient for fix guide block 21 on big kicking block 10, set up the first fixed orifices A who link up guide block 21 on guide block 21, set up a plurality of clearance hole C on slider 23 simultaneously, be convenient for set up a plurality of mounting 22 in corresponding first fixed orifices A through corresponding clearance hole C, so that guide block 21 is fixed in on big kicking block 10, after a plurality of mounting 22 set up in corresponding first fixed orifices A, the pore wall of a plurality of clearance hole C on slider 23 does not have the butt with any part.
As a preferred scheme, the slide rail assemblies are preferably arranged into two groups, and the guide blocks 21 are in a T-shaped structure, so that if a stepped structure exists in the notch of the large top block 10, the two guide blocks 21 can be vertically arranged in the same length direction to improve the sliding stability of the sliding block 23.
Specifically, one side of the sliding groove B, which is close to the side wall of the large top block 10, is closed, and when the sliding block 23 is far away from the side wall of the large top block 10, the guide block 21 abuts against the groove wall of the sliding groove B. Based on above structure, the spout B is close to the side of the lateral wall on the big kicking block 10 and seals, and when the slider 23 demolds, when the slider 23 slided towards the side of the lateral wall on the big kicking block 10, the guide block 21 was in butt joint with the cell wall of spout B, prevented that the slider 23 from breaking away from big kicking block 10, caused the accident of moulding plastics.
Specifically, be provided with on the slider 23 and run through slider 23's spacing hole D, back-off component 20 still includes: the limiting needle 24 is arranged in the limiting hole D; when the sliding block 23 abuts against the side wall of the large top block 10, the limiting pin 24 is used for fixing the sliding block 23 on the large top block 10. Based on the above structure, when the slider 23 abuts against the side wall on the large top block 10, the integrity of the injection mold core needs to be ensured, therefore, the slider 23 and the large top block 10 need to be relatively fixed, otherwise, the injection molding liquid with high pressure extrudes the slider 23 to one side of the side wall on the large top block 10, so that the slider 23 is separated from the large top block 10, and an injection molding accident is caused, therefore, the utility model discloses a set up the limit hole D on the slider 23, when the slider 23 abuts against the side wall on the large top block 10, set up the limit pin 24 in the limit hole D for fixing the slider 23 on the large top block 10;
as the preferred scheme, can threaded connection between spacing needle 24 and the spacing hole D, perhaps set up block structure in spacing hole D, simultaneously, can set up the hole site on big kicking block 10, fixed with spacing needle 24 cooperation, be fixed in spacing hole D with spacing needle 24 in, prevent to become flexible.
Specifically, on big kicking block 10 and towards one side of spacing hole D is provided with second fixed orifices E and first spacing groove (not mark in the figure), first spacing groove with second fixed orifices E is linked together, when slider 23 with on the big kicking block 10 during the lateral wall butt, second fixed orifices E with spacing hole D is linked together, back-off shedder still includes: a bayonet H is arranged on the first limiting block 25, the first limiting block 25 is arranged in the first limiting groove, and the bayonet H is communicated with the second fixing hole E; when the limit needle 24 is separated from the second fixing hole E and the slider 23 is far away from the side wall of the large top block 10, the limit needle 24 is clamped in the bayonet H. As the preferred scheme, set up second fixed orifices E and first spacing groove on big kicking block 10, first spacing groove is linked together with second fixed orifices E, and set up first stopper 25 in first spacing inslot, set up bayonet socket H on the first stopper 25, this bayonet socket H is linked together with second fixed orifices E, when spacing needle 24 breaks away from second fixed orifices E, and spacing needle 24 still arranges spacing hole D in, and when slider 23 kept away from the lateral wall on big kicking block 10, spacing needle 24 block is in bayonet socket H, prevent that slider 23 from breaking away from big kicking block 10, cause the accident of moulding plastics.
Specifically, be provided with second spacing groove F on the slider 23, back-off shedder still includes: and one end of the second limiting block 28 is fixed on the large top block 10, and the other end of the second limiting block 28 is arranged in the second limiting groove F to limit the sliding block 23. As another preferred scheme, the second limiting block 28 is disposed on the large top block 10, the sliding block 23 is provided with a second limiting groove F, one end of the second limiting block 28 is fixed on the large top block 10, the other end of the second limiting block 28 is disposed in the second limiting groove F, and when the sliding block 23 is far away from the side wall of the large top block 10, the other end of the second limiting block 28 abuts against the groove wall of the second limiting groove F, so that the sliding block 23 is prevented from being separated from the large top block 10, and injection molding accidents are avoided.
Specifically, be provided with reset groove G on the big kicking block 10, back-off shedder still includes: the return spring 26 is arranged in the return groove G, and when the sliding block 23 is far away from the side wall of the large top block 10, the return spring 26 is used for providing elastic force for the sliding block 23. As a preferred scheme, the telescopic direction of the return spring 26 is consistent with the displacement direction of the slide block 23 relative to the guide block 21, when the slide block 23 is abutted against the side wall on the large top block 10 through the slide rail assembly, the return spring 26 is stressed and compressed, after the injection molding is completed, the limit needle 24 is taken out, the slide block 23 can be maximally far away from the side wall on the large top block 10 by virtue of the rebound force of the return spring 26, and the demolding effect of the back-off assembly 20 is improved.
Specifically, back-off demoulding device still includes: the wear-resistant blocks 27 are arranged on the large top block 10, and the wear-resistant blocks 27 are all located at the sliding connection position of the large top block 10 and the sliding block 23. Preferably, in order to reduce the friction loss between the large top block 10 and the slider 23, the wear-resistant blocks 27 are arranged at the sliding connection position of the large top block 10 and the slider 23, so that the service lives of the large top block 10 and the slider 23 are prolonged, and the mold opening cost of an enterprise is reduced.
As another preferable scheme, oil grooves may be formed in the plurality of wear-resistant blocks 27, a lubricant may be additionally disposed at the sliding connection portion between the large top block 10 and the slider 23, and the lubricant may be stored in the oil grooves, so as to improve the sliding smoothness between the large top block 10 and the slider 23, and the oil grooves may be preferably formed in a circular shape so as to store the lubricant;
as another preferable scheme, graphite may be disposed on a plurality of the wear-resistant blocks 27, so as to improve the sliding smoothness between the large top block 10 and the sliding block 23.
The utility model provides an automobile bumper mould, including base plate 30 and the utility model discloses a back-off shedder, this back-off shedder's concrete structure refers to above-mentioned embodiment, because this back-off shedder has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here. Wherein, the large top block 10 is arranged on the substrate 30.
Specifically, the base plate 30 is provided with a limiting protrusion 31, and when the back-off assembly 20 is far away from the side wall of the large top block 10, the limiting protrusion 31 is used for limiting the displacement of the back-off assembly 20. Based on the above structure, in order to prevent the slider 23 from separating from the large top block 10 and causing an injection molding accident, a limiting protrusion 31 may be disposed on the base plate 30, and when the back-off assembly 20 is far away from the side wall on the large top block 10, the limiting protrusion 31 is used to limit the displacement of the back-off assembly 20.
Preferably, the limiting protrusion 31 is made of a material with high temperature resistance and wear resistance.
The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (10)
1. An inverted demolding device, comprising:
the large top block is provided with a side wall for forming an injection mold core, and the large top block is also provided with at least one group of slide rail components;
the reverse-buckling component is connected with the large top block in a sliding manner through the sliding rail component;
when the reverse-buckling assembly is abutted to the side wall of the large top block through the slide rail assembly, the large top block and the reverse-buckling assembly form a complete injection molding core.
2. The inverted demoulding device according to claim 1, wherein each set of the slide rail assemblies comprises a guide block and a plurality of fixing parts, the guide block is arranged on the large top block, a plurality of first fixing holes penetrating through the guide block are arranged on the guide block, and the inverted demoulding device comprises:
the slider, the slider is close to the one end of guide block is equipped with the spout, the guide block set up in the spout and with the cell wall sliding connection of spout, be provided with a plurality of holes of keeping away that run through the slider on the slider, it is a plurality of keep away the hole with a plurality of first fixed orifices one-to-one, it is a plurality of the mounting is through corresponding keep away the hole and set up in corresponding in the first fixed orifices, so that the guide block is fixed in on the big kicking block.
3. The reverse knock-out apparatus according to claim 2, wherein the side of the slide groove adjacent to the side wall of the large top block is closed, and the guide block abuts against a wall of the slide groove when the slide block is away from the side wall of the large top block.
4. The inverted extractor of claim 2, wherein the shoe has a retaining hole formed therethrough, the inverted extractor assembly further comprising:
the limiting needle is arranged in the limiting hole;
when the sliding block abuts against the side wall of the large top block, the limiting needle is used for fixing the sliding block on the large top block.
5. The inverted ejector apparatus according to claim 4, wherein a second fixing hole and a first stopper groove are provided on the large top block on a side facing the stopper hole, the first stopper groove communicating with the second fixing hole, the second fixing hole communicating with the stopper hole when the slider abuts against the side wall of the large top block, the inverted ejector apparatus further comprising:
the first limiting block is provided with a bayonet and is arranged in the first limiting groove, and the bayonet is communicated with the second fixing hole;
when the limiting needle is separated from the second fixing hole and the sliding block is far away from the side wall on the large top block, the limiting needle is clamped in the clamping opening.
6. The inverted demolding device as claimed in claim 4, wherein the slide block is provided with a second limiting groove, the inverted demolding device further comprising:
and one end of the second limiting block is fixed on the large top block, and the other end of the second limiting block is arranged in the second limiting groove to limit the sliding block.
7. The inverted ejector apparatus of any of claims 2-6, wherein the large top block is provided with a reset groove, the inverted ejector apparatus further comprising:
the reset spring is arranged in the reset groove, and when the slide block is far away from the side wall on the large top block, the reset spring is used for providing elasticity for the slide block.
8. The inverted extractor apparatus of any of claims 2-6, further comprising:
the wear-resistant blocks are arranged on the large top block, and the wear-resistant blocks are located at the sliding connection position of the large top block and the sliding block.
9. An automobile bumper mold, comprising the back-off mold release device according to any one of claims 1 to 8, and,
the large top block is arranged on the substrate.
10. The automobile bumper mold according to claim 9, wherein a stopper protrusion for limiting displacement of the back-off assembly when the back-off assembly is away from the side wall of the large top block is provided on the base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921175321.XU CN210501257U (en) | 2019-07-24 | 2019-07-24 | Back-off demoulding device and automobile bumper mould |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921175321.XU CN210501257U (en) | 2019-07-24 | 2019-07-24 | Back-off demoulding device and automobile bumper mould |
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| CN210501257U true CN210501257U (en) | 2020-05-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110271154A (en) * | 2019-07-24 | 2019-09-24 | 深圳市银宝山新科技股份有限公司 | A kind of back-off stripper apparatus and automotive bumper mold |
-
2019
- 2019-07-24 CN CN201921175321.XU patent/CN210501257U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110271154A (en) * | 2019-07-24 | 2019-09-24 | 深圳市银宝山新科技股份有限公司 | A kind of back-off stripper apparatus and automotive bumper mold |
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