CN211105377U - Straight-pushing mold of bumper - Google Patents
Straight-pushing mold of bumper Download PDFInfo
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- CN211105377U CN211105377U CN201921260686.2U CN201921260686U CN211105377U CN 211105377 U CN211105377 U CN 211105377U CN 201921260686 U CN201921260686 U CN 201921260686U CN 211105377 U CN211105377 U CN 211105377U
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Abstract
The utility model provides a pair of straight top mould of bumper, straight top mould of bumper includes: a base; the rear mold core is arranged on the base; the large straight top is arranged on the base and is in sliding connection with the rear mold core; the core pulling piece is arranged in the core pulling tunnel; and the front die and the core-pulling piece form a cavity of the back-off of the injection molding bumper. The utility model discloses make the back-off on the bumper need not be by the oblique top injection moulding, has broken away from the dependence to the oblique top link rod, when can not producing the drawing of patterns of pushing up to one side, the back-off takes place the condition of interference with the footstock to one side, and the drawing of patterns can be smoothly pushed up to one side.
Description
Technical Field
The utility model relates to a mould equipment technical field, in particular to straight top mould of bumper.
Background
The front end and the rear end of the automobile are provided with bumpers, so that the automobile bumper has a decoration function, and more importantly, the automobile bumper is a safety device which absorbs and buffers external impact force and has the safety function of protecting an automobile body and passengers, and therefore, the required injection mold structures are different according to different shapes of the automobile bumpers. The inner side surface of the bumper is provided with the reverse buckle which is an assembly structure on the bumper, in the prior art, the reverse buckle is formed by injection molding of a large pitched roof, because the large pitched roof needs to be subjected to demoulding by virtue of a pitched roof connecting rod, one end of the pitched roof connecting rod is connected with the large pitched roof and the other end is connected with an ejector plate, and when the large pitched roof is demoulded, the reverse buckle is easy to interfere with a pitched roof seat, which is not beneficial to smooth demoulding.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a straight top mould of bumper aims at solving when having the back-off on the medial surface of bumper, is unfavorable for the problem of the smooth drawing of patterns of big oblique top.
In order to achieve the above object, the utility model provides a straight top mould of bumper, the straight top mould of bumper includes:
a base;
the rear mold core is arranged on the base;
the large straight top is arranged on the base and is in sliding connection with the rear mold core;
the core pulling piece is arranged in the core pulling tunnel;
and the front die and the core-pulling piece form a cavity of the back-off of the injection molding bumper.
Optionally, a sliding structure is connected between the core pulling piece and the rear mold core, the sliding structure includes a straight-top guide rail and a straight-top slider, the straight-top guide rail is fixed on the rear mold core, the core pulling piece is fixed on the straight-top slider, and the straight-top guide rail and the straight-top slider are matched with each other to form a sliding connection.
Optionally, a T-shaped guide groove is formed in the straight top guide rail, and a mounting hole is formed in the bottom of the T-shaped guide groove and used for fixing the straight top guide rail on the rear mold core.
Optionally, the straight-top slider is provided with a fixing hole and two guide grooves, the fixing hole is located on a side surface of the straight-top slider, which is away from the straight-top guide rail, the two guide grooves are respectively located on two opposite side surfaces of the straight-top slider, and the two side surfaces are adjacent to the side surface provided with the fixing hole.
Optionally, the straight top mould of bumper still includes the fixed block, the fixed block is located the back mold core with between the big straight top, just the fixed block is fixed on the big straight top and including protruding locating the bulge on the big straight top, the bulge embedding back mold core.
Optionally, the direct-ejecting mold of the bumper further comprises a direct-ejecting link rod, one end of the direct-ejecting link rod is connected with the base, and the other end of the direct-ejecting link rod is connected with the large direct top.
Optionally, a link sleeve is sleeved on the straight-top link.
Optionally, the straight top link is sleeved with a wear-resistant block.
Optionally, the base includes a base plate and a top plate, the top plate is mounted on the base plate, one end of the straight-ejecting link rod is connected to the top plate, and the other end of the straight-ejecting link rod is connected to the large straight ejector.
Optionally, the base still includes thimble panel, mounting panel and backup pad, thimble panel sets up on the thimble bottom plate, the backup pad sets up on the base plate, just the backup pad will thimble bottom plate and thimble panel surround, the mounting panel sets up in the backup pad, install in the backup pad directly greatly.
The utility model discloses technical scheme sets up back mold core and directly pushes up greatly on the base, and back mold core and directly push up greatly between form sliding connection, be equipped with one in the main part of directly pushing up greatly and loose core the tunnel, take out the chipware and install in this tunnel of loosing core, the front mould forms the die cavity of the back-off of the bumper of moulding plastics with the part of loosing core to make the back-off on the bumper need not be by the back injection moulding to one side, broken away from the reliance to pushing up the link rod to one side, when can not producing the drawing of patterns to one side, the back-off takes place the condition of interference with the footstock to one side.
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 a direct-ejecting mold for a bumper of the present invention;
FIG. 2 is a schematic view of a mounting structure of a large straight top in a straight top mold of a bumper of the present invention;
fig. 3 is a schematic structural view of the sliding structure in the direct-acting mold of the bumper of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 121 | Connecting |
325 | |
| 30 | Big straight top | 40 | |
| 31 | Straight |
41 | |
| 311 | Wear-resistant block | 42 | |
| 321 | Straight |
43 | |
| 322 | Straight |
44 | |
| 323 | |
50 | Bumper |
| 324 | T- |
60 | Rear mold core |
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, technical solutions between various embodiments can be combined with each other, but must be realized by a person with ordinary skill in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered.
As shown in fig. 1-3, the utility model provides a straight top mould of bumper, straight top mould of bumper includes: a base; a rear mold core 60, the rear mold core 60 being disposed on the base; a core-pulling tunnel is arranged in the main body of the large straight top 30, and the large straight top 30 is arranged on the base and is in sliding connection with the rear mold core 60; a core pulling element 323, wherein the core pulling element 323 is arranged in the core pulling tunnel (not shown); a front mold (not shown) that forms a cavity with the core-pulling element 323 for molding the reverse of the bumper 50.
In the present embodiment, the large straight top 30 and the rear mold core 60 are both disposed on the base, and a sliding connection is formed between the large straight top 30 and the rear mold core 60 to ensure that the large straight top 30 can be smoothly ejected from the rear mold core 60. The main body of the big straight top 30 is internally provided with a core-pulling tunnel which runs through the main body of the big straight top 30, one outlet of the tunnel is positioned on the surface of the big straight top 30 abutted against the rear mold core 60, and the other outlet is positioned on the surface of the big straight top 30 abutted against the bumper 50. The core pieces 323 are located in the core back tunnel and exit through two outlets of the core back tunnel, at the end abutting the bumper 50. The end surface of the core member 323 smoothly transitions with the surface of the large straight top 30 to smooth the inner surface of the bumper 50.
In a specific embodiment, the core back part 323 and the front mold form a cavity for molding an undercut of the bumper 50 near one end of the front mold, the undercut being located on the inner side of the bumper 50, and the undercut is formed in the cavity formed by the core back part 323 and the front mold after the injection material is injected into the core in liquid form.
As shown in fig. 3, the core pulling element 323 has a cylindrical structure and can be pulled out from the core pulling tunnel, and when the large straight top 30 is demolded, the core pulling element 323 can pull out the large straight top 30 first and then demold the large straight top 30; alternatively, the core back member 323 may be detached from the bumper 50 together with the large straight top 30. Therefore, the reverse buckle on the bumper 50 does not need to be formed by the inclined top injection molding, the dependence on an inclined top connecting rod is eliminated, the condition that the reverse buckle interferes with an inclined top seat when the inclined top is demolded is avoided, and the inclined top can be demolded smoothly.
Further, a sliding structure is connected between the core pulling element 323 and the rear mold core 60, the sliding structure includes a straight top guide rail 321 and a straight top slider 322, the straight top guide rail 321 is fixed on the rear mold core 60, the core pulling element 323 is fixed on the straight top slider 322, and the straight top guide rail 321 and the straight top slider 322 are mutually matched to form a sliding connection.
The sliding structure is located between the core piece 323 and the rear core 60 such that the core piece 323 forms a sliding connection with the rear core 60. The sliding structure is formed by a straight top guide rail 321 and a straight top sliding block 322, wherein the straight top guide rail 321 is fixed on the rear mold core 60, the straight top sliding block 322 is fixedly connected with the core pulling piece 323, and when the large straight top 30 is demolded, the core pulling piece 323 can quickly slide out of the rear mold core 60.
Meanwhile, a sliding structure is connected between the large straight top 30 and the rear mold core 60 to form sliding connection, so that the large straight top 30 can be conveniently installed and demolded.
It should be understood that the sliding connection between the core back member 323 and the rear mold core 60 is not limited to the form of the straight top guide rail 321 and the straight top slider 322 cooperating with each other, for example, the guide rail and the guide rail bar form a guide rail structure, and the gear rack structure can also realize the sliding connection between the core back member 323 and the rear mold core 60.
Specifically, the straight top guide rail 321 is provided with a T-shaped guide groove 324, and a mounting hole is formed in the groove bottom of the T-shaped guide groove 324 and used for fixing the straight top guide rail 321 on the rear mold core 60.
The slot bottom width of the T-shaped guide slot 324 is greater than the slot width. The straight-top sliding block 322 can only slide into the T-shaped guide groove 324 from two ends of the T-shaped guide groove 324, the narrow notch limits the straight-top sliding block 322 to be separated from the T-shaped guide groove 324 from the direction perpendicular to the groove bottom, and the connection reliability of the core pulling piece 323 and the rear mold core 60 is guaranteed.
The bottom of the T-shaped guide groove 324 is provided with a mounting hole (not shown) into which a screw 325 is inserted to fix the straight top rail 321 to the rear mold core 60.
The straight-top slider 322 is provided with a fixing hole (not shown) and two guide grooves (not shown), the fixing hole is located on the side of the straight-top slider 322 that is away from the straight-top guide rail 321, the two guide grooves are respectively located on two opposite side faces of the straight-top slider 322, and the two side faces are adjacent to the side face where the fixing hole is formed.
In this embodiment, the fixing hole is a blind hole for installing the core pulling element 323, one end of the core pulling element 323 is installed in the fixing hole, and is fixedly connected with the straight-top sliding block 322 through a screw 325, and the other end of the core pulling element passes through the large straight top 30 from the tunnel and is smoothly transited with the surface of the large straight top 30. In order to ensure the connection reliability of the straight-top sliding block 322 and the straight-top guide rail 321, two guide grooves are arranged on the straight-top sliding block 322, the two guide grooves are respectively positioned on two opposite side surfaces of the straight-top sliding block 322, and the two side surfaces are adjacent to the side surfaces provided with the fixing holes. The two guide grooves cooperate with the straight top rail 321 to form a sliding connection.
Optionally, the direct-top mold of the bumper further includes a fixing block (not shown), the fixing block is located between the rear mold core 60 and the large direct top 30, the fixing block is fixed on the large direct top 30 and includes a protruding portion protruding from the large direct top 30, and the protruding portion is embedded in the rear mold core 60.
The fixed block is located keeping away from of big straight top 30 the one end of base, and the fixed block is in between big straight top 30 and back mould core 60, and the fixed block has the part of fixing on big straight top 30 also to have the part of protrusion in big straight top 30, and wherein the part of protrusion in big straight top 30 is the bulge, and back mould core 60 is equipped with the recess (not marked in the figure) on the position corresponding to this fixed block, the bulge imbeds in this recess to fixed straight top prevents that big top piece from moving when receiving big injection pressure.
In one embodiment, the straight-top mold of the bumper further comprises a straight-top link 31, one end of the straight-top link 31 is connected with the base, and the other end of the straight-top link 31 is connected with the large straight top 30.
When the big straight top 30 is demolded, the straight top link 31 plays a role of pushing, so that the big straight top 30 moves to a preset demolding direction, wherein. The predetermined demolding direction may be a vertical direction of the base or a direction forming a certain included angle with the vertical direction of the base, depending on the specific structure of the product.
One end of the straight top link rod 31 is connected with the base, the other end of the straight top link rod 31 is connected with the large straight top 30, and the straight top link rod 31 bears the weight of the large straight top 30 and plays a supporting role for the large straight top 30.
In one embodiment, the straight top link 31 is sleeved with a link sleeve 121; or, the straight top link 31 is sleeved with a wear-resistant block 31.
In a specific implementation, the base includes a base plate 40, a thimble base plate 42, a thimble panel 43, a mounting plate 44 and a supporting plate 41, one end of the straight ejector link 31 is connected to the thimble base plate 42, the other end is connected to the large straight ejector 30, the mounting plate 44 is located between the thimble base plate 42 and the large straight ejector 30, therefore, the straight ejector link 31 passes through the middle of the mounting plate 44, when the large straight ejector 30 is demolded, because the large straight ejector 30 is heavy, a large friction force exists between the straight ejector link 31 and the mounting plate 44, and in order to prevent abrasion, the straight ejector link 31 is sleeved with a link sleeve 121 or an abrasion-resistant block 31 to protect the straight ejector link 31.
Optionally, the base includes a base plate 40 and a thimble base plate 42, the thimble base plate 42 is mounted on the base plate 40, one end of the straight-top link 31 is connected to the thimble base plate 42, and the other end is connected to the large straight top 30.
The base plate 40 is a platform for mounting the rest devices on the straight top mold of the bumper, and the ejector base plate 42 is disposed on the base plate 40 and used for supporting the straight top link 31.
Further, the base further includes a thimble panel 43, a mounting plate 44 and a supporting plate 41, the thimble panel 43 is disposed on the thimble base plate 42, the supporting plate 41 is disposed on the base plate 40, the thimble base plate 42 and the thimble panel 43 are surrounded by the supporting plate 41, the mounting plate 44 is disposed on the supporting plate 41, and the vertical roof 30 is disposed on the supporting plate 41.
The supporting plate 41 is also called as a C plate, the supporting plate 41 is arranged on the base plate 40 and surrounds the thimble bottom plate 42 and the thimble panel 43, and the supporting plate 41 is used for supporting the mounting plate 44 and bearing the weight of the mounting plate 44;
the mounting plate 44 is also called the B plate, and the rear mold core 60 and the vertical top 30 are mounted on the mounting plate 44.
As shown in fig. 1-3, the utility model provides a straight top mould of bumper, straight top mould of bumper includes: a base; a rear mold core 60, the rear mold core 60 being disposed on the base; a core-pulling tunnel is arranged in the main body of the large straight top 30, and the large straight top 30 is arranged on the base and is in sliding connection with the rear mold core 60; a core pulling element 323, wherein the core pulling element 323 is arranged in the core pulling tunnel (not shown); a front mold (not shown) that forms a cavity with the core-pulling element 323 for molding the reverse of the bumper 50.
In the present embodiment, the large straight top 30 and the rear mold core 60 are both disposed on the base, and a sliding connection is formed between the large straight top 30 and the rear mold core 60 to ensure that the large straight top 30 can be smoothly ejected from the rear mold core 60. The main body of the big straight top 30 is internally provided with a core-pulling tunnel which runs through the main body of the big straight top 30, one outlet of the tunnel is positioned on the surface of the big straight top 30 abutted against the rear mold core 60, and the other outlet is positioned on the surface of the big straight top 30 abutted against the bumper 50. The core pieces 323 are located in the core back tunnel and exit through two outlets of the core back tunnel, at the end abutting the bumper 50. The end surface of the core member 323 smoothly transitions with the surface of the large straight top 30 to smooth the inner surface of the bumper 50.
In a specific embodiment, the core back part 323 and the front mold form a cavity for molding an undercut of the bumper 50 near one end of the front mold, the undercut being located on the inner side of the bumper 50, and the undercut is formed in the cavity formed by the core back part 323 and the front mold after the injection material is injected into the core in liquid form.
As shown in fig. 3, the core pulling element 323 has a cylindrical structure and can be pulled out from the core pulling tunnel, and when the large straight top 30 is demolded, the core pulling element 323 can pull out the large straight top 30 first and then demold the large straight top 30; alternatively, the core back member 323 may be detached from the bumper 50 together with the large straight top 30. Therefore, the reverse buckle on the bumper 50 does not need to be formed by the inclined top injection molding, the dependence on an inclined top connecting rod is eliminated, the condition that the reverse buckle interferes with an inclined top seat when the inclined top is demolded is avoided, and the inclined top can be demolded smoothly.
Further, a sliding structure is connected between the core pulling element 323 and the rear mold core 60, the sliding structure includes a straight top guide rail 321 and a straight top slider 322, the straight top guide rail 321 is fixed on the rear mold core 60, the core pulling element 323 is fixed on the straight top slider 322, and the straight top guide rail 321 and the straight top slider 322 are mutually matched to form a sliding connection.
The sliding structure is located between the core piece 323 and the rear core 60 such that the core piece 323 forms a sliding connection with the rear core 60. The sliding structure is formed by a straight top guide rail 321 and a straight top sliding block 322, wherein the straight top guide rail 321 is fixed on the rear mold core 60, the straight top sliding block 322 is fixedly connected with the core pulling piece 323, and when the large straight top 30 is demolded, the core pulling piece 323 can quickly slide out of the rear mold core 60.
Meanwhile, a sliding structure is connected between the large straight top 30 and the rear mold core 60 to form sliding connection, so that the large straight top 30 can be conveniently installed and demolded.
It should be understood that the sliding connection between the core back member 323 and the rear mold core 60 is not limited to the form of the straight top guide rail 321 and the straight top slider 322 cooperating with each other, for example, the guide rail and the guide rail bar form a guide rail structure, and the gear rack structure can also realize the sliding connection between the core back member 323 and the rear mold core 60.
Specifically, the straight top guide rail 321 is provided with a T-shaped guide groove 324, and a mounting hole is formed in the groove bottom of the T-shaped guide groove 324 and used for fixing the straight top guide rail 321 on the rear mold core 60.
The slot bottom width of the T-shaped guide slot 324 is greater than the slot width. The straight-top sliding block 322 can only slide into the T-shaped guide groove 324 from two ends of the T-shaped guide groove 324, the narrow notch limits the straight-top sliding block 322 to be separated from the T-shaped guide groove 324 from the direction perpendicular to the groove bottom, and the connection reliability of the core pulling piece 323 and the rear mold core 60 is guaranteed.
The bottom of the T-shaped guide groove 324 is provided with a mounting hole (not shown) into which a screw 325 is inserted to fix the straight top rail 321 to the rear mold core 60.
The straight-top slider 322 is provided with a fixing hole (not shown) and two guide grooves (not shown), the fixing hole is located on the side of the straight-top slider 322 that is away from the straight-top guide rail 321, the two guide grooves are respectively located on two opposite side faces of the straight-top slider 322, and the two side faces are adjacent to the side face where the fixing hole is formed.
In this embodiment, the fixing hole is a blind hole for installing the core pulling element 323, one end of the core pulling element 323 is installed in the fixing hole, and is fixedly connected with the straight-top sliding block 322 through a screw 325, and the other end of the core pulling element passes through the large straight top 30 from the tunnel and is smoothly transited with the surface of the large straight top 30. In order to ensure the connection reliability of the straight-top sliding block 322 and the straight-top guide rail 321, two guide grooves are arranged on the straight-top sliding block 322, the two guide grooves are respectively positioned on two opposite side surfaces of the straight-top sliding block 322, and the two side surfaces are adjacent to the side surfaces provided with the fixing holes. The two guide grooves cooperate with the straight top rail 321 to form a sliding connection.
Optionally, the direct-top mold of the bumper further includes a fixing block (not shown), the fixing block is located between the rear mold core 60 and the large direct top 30, the fixing block is fixed on the large direct top 30 and includes a protruding portion protruding from the large direct top 30, and the protruding portion is embedded in the rear mold core 60.
The fixed block is located keeping away from of big straight top 30 the one end of base, and the fixed block is in between big straight top 30 and back mould core 60, and the fixed block has the part of fixing on big straight top 30 also to have the part of protrusion in big straight top 30, and wherein the part of protrusion in big straight top 30 is the bulge, and back mould core 60 is equipped with the recess (not marked in the figure) on the position corresponding to this fixed block, the bulge imbeds in this recess to fixed straight top prevents that big top piece from moving when receiving big injection pressure.
In one embodiment, the straight-top mold of the bumper further comprises a straight-top link 31, one end of the straight-top link 31 is connected with the base, and the other end of the straight-top link 31 is connected with the large straight top 30.
When the big straight top 30 is demolded, the straight top link 31 plays a role of pushing, so that the big straight top 30 moves to a preset demolding direction, wherein. The predetermined demolding direction may be a vertical direction of the base or a direction forming a certain included angle with the vertical direction of the base, depending on the specific structure of the product.
One end of the straight top link rod 31 is connected with the base, the other end of the straight top link rod 31 is connected with the large straight top 30, and the straight top link rod 31 bears the weight of the large straight top 30 and plays a supporting role for the large straight top 30.
In one embodiment, the straight top link 31 is sleeved with a link sleeve 121; or, the straight top link 31 is sleeved with a wear-resistant block 31.
In a specific implementation, the base includes a base plate 40, a thimble base plate 42, a thimble panel 43, a mounting plate 44 and a supporting plate 41, one end of the straight ejector link 31 is connected to the thimble base plate 42, the other end is connected to the large straight ejector 30, the mounting plate 44 is located between the thimble base plate 42 and the large straight ejector 30, therefore, the straight ejector link 31 passes through the middle of the mounting plate 44, when the large straight ejector 30 is demolded, because the large straight ejector 30 is heavy, a large friction force exists between the straight ejector link 31 and the mounting plate 44, and in order to prevent abrasion, the straight ejector link 31 is sleeved with a link sleeve 121 or an abrasion-resistant block 31 to protect the straight ejector link 31.
Optionally, the base includes a base plate 40 and a thimble base plate 42, the thimble base plate 42 is mounted on the base plate 40, one end of the straight-top link 31 is connected to the thimble base plate 42, and the other end is connected to the large straight top 30.
The base plate 40 is a platform for mounting the rest devices on the straight top mold of the bumper, and the ejector base plate 42 is disposed on the base plate 40 and used for supporting the straight top link 31.
Further, the base further includes a thimble panel 43, a mounting plate 44 and a supporting plate 41, the thimble panel 43 is disposed on the thimble base plate 42, the supporting plate 41 is disposed on the base plate 40, the thimble base plate 42 and the thimble panel 43 are surrounded by the supporting plate 41, the mounting plate 44 is disposed on the supporting plate 41, and the vertical roof 30 is disposed on the supporting plate 41.
The supporting plate 41 is also called as a C plate, the supporting plate 41 is arranged on the base plate 40 and surrounds the thimble bottom plate 42 and the thimble panel 43, and the supporting plate 41 is used for supporting the mounting plate 44 and bearing the weight of the mounting plate 44;
the mounting plate 44 is also called the B plate, and the rear mold core 60 and the vertical top 30 are mounted on the mounting plate 44.
The above is only the optional embodiment of the present invention, and not therefore the limit to the patent scope of the present invention, all the concepts of the present invention utilize the equivalent structure transformation of the content of the specification and the attached drawings, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.
Claims (10)
1. A direct-top bumper mold, comprising:
a base;
the rear mold core is arranged on the base;
the large straight top is arranged on the base and is in sliding connection with the rear mold core;
the core pulling piece is arranged in the core pulling tunnel;
and the front die and the core-pulling piece form a cavity of the back-off of the injection molding bumper.
2. The direct-top mold for bumpers according to claim 1, wherein a sliding structure is connected between the core pulling member and the rear mold core, the sliding structure comprises a direct-top guide rail and a direct-top slider, the direct-top guide rail is fixed on the rear mold core, the core pulling member is fixed on the direct-top slider, and the direct-top guide rail and the direct-top slider are mutually matched to form a sliding connection.
3. The direct-top mold for the bumper as claimed in claim 2, wherein the straight-top guide rail is provided with a T-shaped guide groove, and a mounting hole is formed in a groove bottom of the T-shaped guide groove for fixing the straight-top guide rail to the rear mold core.
4. The direct-top mold for bumpers of claim 3, wherein said straight-top slider has a fixing hole and two guiding grooves, said fixing hole is located on a side of said straight-top slider facing away from said straight-top guiding rail, said two guiding grooves are respectively located on two opposite side surfaces of said straight-top slider, said two side surfaces are adjacent to a side surface where said fixing hole is located.
5. The direct-top mold for bumpers of claim 1 further comprising a fixing block, said fixing block being located between said rear mold core and said large straight top, and said fixing block being fixed to said large straight top and comprising a protrusion protruding from said large straight top, said protrusion being embedded in said rear mold core.
6. The direct-top bumper mold according to claim 1, further comprising a direct-top link, wherein one end of the direct-top link is connected to the base, and the other end of the direct-top link is connected to the large direct top.
7. The direct-top mold for bumpers of claim 6 wherein said direct-top link is sleeved with a link sleeve.
8. The direct-top mold for bumpers of claim 6 wherein said direct-top link is sleeved with a wear resistant block.
9. The direct-top mold for bumpers of claim 6 wherein said base comprises a base plate and an ejector retainer plate, said ejector retainer plate being mounted on said base plate, one end of said direct-top link being connected to said ejector retainer plate and the other end being connected to said large direct top.
10. The direct-ejecting mold for the bumper according to claim 9, wherein the base further comprises an ejector pin panel, a mounting plate and a supporting plate, the ejector pin panel is disposed on the ejector pin base plate, the supporting plate is disposed on the base plate, the ejector pin base plate and the ejector pin panel are surrounded by the supporting plate, the mounting plate is disposed on the supporting plate, and the large direct top is disposed on the supporting plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921260686.2U CN211105377U (en) | 2019-08-06 | 2019-08-06 | Straight-pushing mold of bumper |
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| CN201921260686.2U CN211105377U (en) | 2019-08-06 | 2019-08-06 | Straight-pushing mold of bumper |
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| CN211105377U true CN211105377U (en) | 2020-07-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110328813A (en) * | 2019-08-06 | 2019-10-15 | 深圳市银宝山新科技股份有限公司 | A kind of straight backform tool of bumper |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110328813A (en) * | 2019-08-06 | 2019-10-15 | 深圳市银宝山新科技股份有限公司 | A kind of straight backform tool of bumper |
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