CN211467331U - Oblique top mould of bumper - Google Patents
Oblique top mould of bumper Download PDFInfo
- Publication number
- CN211467331U CN211467331U CN201921356674.XU CN201921356674U CN211467331U CN 211467331 U CN211467331 U CN 211467331U CN 201921356674 U CN201921356674 U CN 201921356674U CN 211467331 U CN211467331 U CN 211467331U
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- lifter
- angle
- die
- base
- inclined top
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Abstract
The utility model provides a push up mould to one side of bumper, the push up mould to one side of bumper includes: a base; the rear mold core is arranged on the base; the pitched roof assembly is arranged on the base and is in sliding connection with the rear die core; the front die and the inclined top assembly form a cavity for injection molding of the side edge of the bumper; the inclined top assembly comprises a first inclined top and a second inclined top, the first inclined top is abutted to the second inclined top, the first inclined top and the second inclined top move towards the rear die core to realize die stripping, and an included angle is formed between the die stripping direction of the first inclined top and the die stripping direction of the second inclined top. The utility model discloses successfully avoid to push up the subassembly drawing of patterns to one side when taking place to interfere with the turn-ups, realize smooth drawing of patterns.
Description
Technical Field
The utility model relates to a mould equipment technical field, in particular to angle 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, is a safety device which absorbs and buffers external impact force and has the functions of protecting an automobile body and protecting passengers, and therefore, the required injection mold structures are different according to different shapes of automobile bumpers. In the prior art, a whole block of large pitched roof close to an automobile headlamp area on a bumper is subjected to injection molding in a cavity formed by a front mold, the large pitched roof is directly demolded from the bumper, and for the bumper with inward flanging in the area close to the automobile headlamp, the mode that the whole block of large pitched roof and the front mold form an injection molding cavity can be limited by the inward flanging during demolding, so that smooth demolding is difficult.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a push up mould to one side of bumper can receive the inboard turn-ups restriction of bumper when aiming at solving the big drawing of patterns of pushing up to one side, is difficult to the problem of smooth drawing of patterns.
In order to achieve the above object, the utility model provides a lifter mould of bumper, the lifter mould of bumper includes: a base; the rear mold core is arranged on the base; the pitched roof assembly is arranged on the base and is in sliding connection with the rear die core; the front die and the inclined top assembly form a cavity for injection molding of the side edge of the bumper; the inclined top assembly comprises a first inclined top and a second inclined top, the first inclined top is abutted to the second inclined top, the first inclined top and the second inclined top move towards the rear die core to realize die stripping, and an included angle is formed between the die stripping direction of the first inclined top and the die stripping direction of the second inclined top.
Optionally, an included angle formed between a butting surface of the first oblique top and the second oblique top and the bottom surface of the base ranges from 30 ° to 60 °.
Optionally, a first abutting portion and a first idle portion are arranged on a side surface, close to the second oblique top, of the first oblique top, a second abutting portion and a second idle portion are arranged on a side surface, close to the first oblique top, of the second oblique top, the first abutting portion and the second abutting portion are abutted to form an abutting surface, and an included angle formed by the first idle portion and the second idle portion ranges from 30 degrees to 60 degrees.
Optionally, an included angle of 15-30 degrees is formed between the demolding direction of the first inclined top and the vertical plane of the base.
Optionally, the demolding direction of the second lifter is parallel to the vertical plane of the base.
Optionally, a guide rail slider structure is connected between the first lifter and the second lifter and the rear mold core to form the sliding connection, a guide rail in the guide rail slider structure is fixed on the rear mold core, and a slider in the guide rail slider structure is fixed on the first lifter and the second lifter.
Optionally, the guide rail in the guide rail slider structure includes a linear guide rail and/or a curved guide rail, and the curved guide rail has a curved portion recessed toward the rear mold core.
Optionally, all be provided with the guide arm on first lifter and the second lifter, the guide rail groove has been seted up to the one end of guide arm, the guide rail groove with curve guide rail mutually supports and forms sliding connection, the other end of guide arm runs through the main part of first lifter and the main part of second lifter and is provided with and draws the piece.
The pitched roof mold of the bumper further comprises a first pitched roof connecting rod and a second pitched roof connecting rod, one end of the first pitched roof connecting rod is connected with one end, close to the base, of the first pitched roof, and the other end of the first pitched roof connecting rod is connected with the base; one end of the second pitched roof connecting rod is connected with one end, close to the base, of the second pitched roof, and the other end of the second pitched roof connecting rod is connected with the base.
Optionally, a connecting block is arranged between the first pitched roof connecting rod and the first pitched roof, the connecting block is arranged between the second pitched roof connecting rod and the second pitched roof, sliding grooves are formed in the first pitched roof and the second pitched roof, and the connecting block and the sliding grooves form sliding connection.
The utility model discloses technical scheme is through mold core and the oblique top subassembly behind setting up on the base, and pushes up the subassembly to one side and form sliding connection with the back mold core, the front mould with the oblique top subassembly forms the die cavity of the bumper side of moulding plastics, and wherein, pushes up the subassembly to one side and includes first oblique top and the second pushes up to one side, first oblique top and the mutual butt of second oblique top, first oblique top with the second pushes up to one side towards the back mold core motion realization drawing of patterns, the drawing of patterns direction on first oblique top with the drawing of patterns direction formation contained angle on the second oblique top for the first oblique top avoids the regional turn-ups of headlight on the bumper with the drawing of patterns route on second oblique top, has successfully avoided the oblique top subassembly to take place the problem of interfering with the turn-ups, realizes the drawing of patterns smoothly.
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 lifter die of a bumper of the present invention;
fig. 2 is a schematic view of a connection structure of a first lifter and a second lifter on a lifter die of a bumper of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
fig. 4 is a schematic structural view of the sliding structure of the lifter die of the bumper of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | First inclined top | 24 | Abutting surface (inclined plane) |
| 111 | |
231 | Second |
| 112 | Connecting block | 311 | Wear- |
| 121 | Connecting |
40 | Substrate |
| 13 | First pitched |
41 | |
| 131 | First |
42 | |
| 20 | Second inclined top | 43 | |
| 211 | |
44 | |
| 212 | |
50 | |
| 213 | |
60 | Rear mold core |
| 22 | Second pitched roof connecting rod |
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.
As shown in fig. 1 to 4, to achieve the above object, the present invention provides a lifter mold for a bumper, the lifter mold comprising: a base; a rear mold core 60, the rear mold core 60 being disposed on the base; a lifter assembly disposed on the base and in sliding connection with the rear mold core 60; the front die and the inclined top assembly form a cavity for injection molding the side edge of the bumper 50; the lifter component comprises a first lifter 10 and a second lifter 20, the first lifter 10 is abutted to the second lifter 20, the first lifter 10 and the second lifter 20 move towards the rear mold core 60 to realize demolding, and an included angle is formed between the demolding direction of the first lifter 10 and the demolding direction of the second lifter 20.
As shown in fig. 2, in the present embodiment, the side edge of the bumper refers to a region of the bumper 50 located substantially straight below the top. The base is provided with a rear mold core 60 and an inclined top assembly, the rear mold core 60 and the inclined top assembly are supported, and meanwhile, the rear mold core 60 arranged on the base is in sliding connection with the inclined top assembly. So that the installation and the demoulding of the pitched roof assembly are convenient and fast, a cavity for injection molding the side edge of the bumper 50 is formed between the front die and the pitched roof assembly, and the side edge of the bumper 50 is molded in the cavity.
The lifter assembly is composed of a first lifter 10 and a second lifter 20, the first lifter 10 and the second lifter 20 are mounted side by side on the rear mold core 60 and the base and abut against each other, therefore, in the preferred embodiment, a sliding structure is connected between the first lifter 10 and the second lifter 20 and the rear mold core 60 to form a sliding connection. During demolding, the first lifter 10 and the second lifter 20 both move towards the rear mold core 60, but the movement directions of the first lifter 10 and the second lifter 20 are different, and an included angle is formed between the movement directions of the first lifter 10 and the second lifter 20, so that the demolding path of the first lifter 10 and the second lifter 20 avoids the flanging of the bumper 50 in the headlamp area, the problem of interference between the lifter assembly and the flanging is successfully avoided, and smooth demolding is realized.
The sliding structure can be a guide rail with a guide rail sliding block structure, a guide rail strip structure and the like, and is specifically determined according to the requirements.
Further, an included angle formed between the abutting surface 24 of the first lifter 10 and the second lifter 20 and the bottom surface of the base ranges from 30 ° to 60 °.
The abutting surface 24 formed by the first lifter 10 and the second lifter 20 is an inclined surface 24, the bottom surface of the base is used as a reference surface, and the inclined surface 24 forms an included angle of 30-60 degrees with respect to the bottom surface of the base. Since the first lifter 10 and the second lifter 20 are ejected in different directions, the abutting surface 24 forms an included angle with respect to the bottom surface of the base, so that the first lifter 10 and the second lifter 20 do not interfere with each other during ejection. In a specific implementation, an angle formed by the contact surface 24 with respect to the bottom surface of the base may be any value between 30 ° and 60 °, such as 35 °, 40 °, 50 °, and the like, which are not limited herein.
Specifically, a first abutting portion (not shown) and a first idle portion 131 are arranged on a side surface of the first slanted ejecting portion 10 close to the second slanted ejecting portion 20, a second abutting portion (not shown) and a second idle portion 231 are arranged on a side surface of the second slanted ejecting portion 20 close to the first slanted ejecting portion 10, the first abutting portion and the second abutting portion abut to form the abutting surface 24, and an included angle formed by the first idle portion 131 and the second idle portion 231 ranges from 30 ° to 60 °.
As shown in fig. 3, in the present embodiment, since only a portion of the side surface of the first lifter 10 adjacent to the second lifter 20 abuts against the second lifter 20, the side surface is divided into a first abutting portion that abuts against the second lifter 20 and a first vacant portion 131 that does not abut against the second lifter 20, and similarly, the side surface of the second lifter 20 adjacent to the first lifter 10 is also divided into a second abutting portion and a second vacant portion 231. The first contact part and the second contact part are mutually contacted to form a contact surface 24, and the included angle formed by the contact surface 24 and the bottom surface of the base is between 30 and 60 degrees. The included angle formed by the first idle portion 131 and the second idle portion 231 is also between 30 degrees and 60 degrees, and the included angle formed by the first idle portion 131 and the second idle portion 231 is equal to or not equal to the included angle formed by the abutting surface 24 and the bottom surface of the base.
In one embodiment, the demolding direction of the first lifter 10 forms an included angle of 15 ° to 30 ° with the vertical plane of the base.
The vertical plane of the base is used as a reference plane, and the included angle of 15-30 degrees is formed between the demolding direction of the first inclined top 10 and the vertical plane of the base, so that interference between the first inclined top 10 and the second inclined top 20 or between flanges of the bumper 50 in a headlamp area is prevented in the demolding process, and smooth demolding is guaranteed.
It is understood that the included angle formed by the demolding direction of the first lifter 10 and the vertical plane of the base can be any value between 15 ° and 30 °, such as 20 ° or 25 °, for example only.
Optionally, the demolding direction of the second lifter 20 is parallel to the vertical plane of the base.
In the preferred embodiment, the demolding direction of the second lifter 20 is parallel to the vertical plane of the base, so as to prevent the second lifter 20 from interfering with the first lifter 10 or the flange of the bumper 50 in the headlight area during demolding, and ensure smooth demolding.
As shown in fig. 4, as an embodiment, a rail-slider structure is connected between each of the first lifter 10 and the second lifter 20 and the rear mold core 60 to form the sliding connection, a rail 212 in the rail-slider structure is fixed on the rear mold core 60, and a slider in the rail-slider structure is fixed on the first lifter 10 and the second lifter 20.
The first lifter 10 and the second lifter 20 are both fixed with sliders, the rear mold core 60 is fixed with guide rails 212, the number of the guide rails 212 is equal to that of the sliders, and the guide rails 212 and the sliders form the guide rails 212 and the slider structure to be connected between the first lifter 10 and the rear mold core 60 and between the second lifter 20 and the rear mold core 60, so that the first lifter 10 and the second lifter 20 are both in sliding connection with the rear mold core 60, and convenience in installation and demolding is guaranteed.
Further, the rails 212 of the rail slider structure may include linear rails (not shown) and/or curved rails having a curved portion that is concave toward the rear mold core 60.
The guide 212 may be a linear guide, a curved guide, or a combination of a linear guide and a curved guide, wherein the guide 212 may include both a linear portion and a curved portion, and the curved portion is recessed toward the rear mold core 60. Therefore, when the guide rail 212 includes a curved guide rail, the movement locus of the first lifter 10 and the second lifter 20 for demolding is the same as the shape of the curved guide rail, so that some protruding parts on the bumper 50, such as some inward-turned hems on the bumper 50, can be avoided, and the first lifter 10 or the second lifter 20 is prevented from interfering with the bumper 50 during demolding, thereby ensuring smooth demolding.
Specifically, guide rods 213 are disposed on the first lifter 10 and the second lifter 20, a guide groove is disposed at one end of each guide rod 213, the guide groove and the curved guide rail 212 are matched with each other to form the sliding connection, and the other end of each guide rod 213 penetrates through the main body of the first lifter 10 and the main body of the second lifter 20 and is provided with a pull block 211.
In this embodiment, through holes (not shown) are formed in the main body of the first lifter 10 and the main body of the second lifter 20, the guide rod 213 is located in the through hole, and one end of the guide rod 213 is provided with a guide rail 212 slot, the guide rail 212 slot and the guide rail 212 are matched to form a sliding connection, the other end of the guide rod passes through the main body of the first lifter 10 and the main body of the second lifter 20 and is connected with the pull block 211, and the pull block 211 and the surface of the first lifter 10 or the surface of the second lifter 20 are smoothly transited to ensure that the inner side surface of the bumper 50 meets the specification. When the guide rail 212 is a curved guide rail, the guide rod 213 and the pull block 211 drive the first lifter 10 and the second lifter 20 to form a motion path having the same shape as the curved guide rail to avoid some protruding portions on the bumper 50.
The pitched roof mould of the bumper further comprises a first pitched roof connecting rod 13 and a second pitched roof connecting rod 22, one end of the first pitched roof connecting rod 13 is connected with one end, close to the base, of the first pitched roof 10, and the other end of the first pitched roof connecting rod is connected with the base; one end of the second lifter link 22 is connected to one end of the second lifter 20 close to the base, and the other end is connected to the base.
The first pitched roof link 13 supports the first pitched roof 10 and bears the weight of the first pitched roof 10, and the second pitched roof link 22 supports the second pitched roof 20 and bears the weight of the second pitched roof 20. During demolding, the first lifter link 13 and the second lifter link 22 are pushed, so that the first lifter 10 or the second lifter 20 moves towards a preset demolding direction. Relative to the first inclined top 10, the predetermined direction is a direction in which the first inclined top 10 and a vertical plane of the base form an included angle of 15-30 degrees; the predetermined direction is a direction in which the demolding of the second lifter 20 is parallel to the vertical plane of the base with respect to the second lifter 20.
In a specific implementation, the base includes a base plate 40, an ejector pin base plate 42, an ejector pin panel 43, a mounting plate 44 and a support plate 41, the base plate 40 is a mounting platform for the rest devices on the lifter die of the bumper, the ejector pin base plate 42 is disposed on the base plate 40 and is used for supporting the first lifter link 13 and the second lifter link 22, the support plate 41 is also called a C-plate, the support plate 41 is disposed on the base plate 40 and surrounds the ejector pin base plate 42 and the ejector pin panel 43, and the support plate 41 is used for supporting the mounting plate 44 and bearing the weight on the mounting plate 44; the mounting plate 44, also called the B plate, and the rear core 60 and the lifter assembly roof are mounted on the mounting plate 44.
Since the mounting plate 44 is located between the lifter assembly and the thimble base plate 42, the first lifter link 13 and the second lifter link 22 pass through the mounting plate 44, and the first lifter 10 and the second lifter 20 are heavy, so that when the lifter assembly is demolded, a large friction force exists between the first lifter link 13 and the second lifter link 22 and the mounting plate 44, and therefore, in a preferred embodiment, the first lifter link 13 and the second lifter link 22 are sleeved with the link sleeve 121 or the wear-resistant block 31 to prevent wear.
Optionally, a connecting block 112 is disposed between the first pitched roof connecting rod 13 and the first pitched roof 10, the connecting block 112 is disposed between the second pitched roof connecting rod 22 and the second pitched roof 20, sliding grooves 111 are formed in both the first pitched roof 10 and the second pitched roof 20, and the connecting block 112 and the sliding grooves 111 form a sliding connection.
During demoulding, the connecting block 112 slides along the sliding groove 111 under the pushing of the first pitched roof connecting rod 13, and meanwhile, the first pitched roof 10 is pushed by the first pitched roof connecting rod 13 along the vertical pushing force on the bottom surface of the base, so that after the two are combined, the demoulding direction of the first pitched roof 10 forms an included angle of 15 degrees to 30 degrees with the vertical plane of the base. In an embodiment, the second lifter link 22 may be inclined at a certain angle relative to the bottom surface of the base, so that after the thrust force applied to the second lifter 20 is combined with the friction force generated by the sliding of the connecting block in the sliding slot 111, the demolding direction of the second lifter 20 is parallel to the vertical plane of the base.
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 lifter die for a bumper, comprising:
a base;
the rear mold core is arranged on the base;
the pitched roof assembly is arranged on the base and is in sliding connection with the rear die core;
the front die and the inclined top assembly form a cavity for injection molding of the side edge of the bumper;
the inclined top assembly comprises a first inclined top and a second inclined top, the first inclined top is abutted to the second inclined top, the first inclined top and the second inclined top move towards the rear die core to realize die stripping, and an included angle is formed between the die stripping direction of the first inclined top and the die stripping direction of the second inclined top.
2. The lifter die for bumpers of claim 1, wherein an angle formed by an abutting surface of the first lifter and the second lifter and the bottom surface of the base ranges from 30 ° to 60 °.
3. The angle ejector die for the bumper according to claim 2, wherein a side surface of the first angle ejector, which is close to the second angle ejector, is provided with a first abutting portion and a first vacant portion, a side surface of the second angle ejector, which is close to the first angle ejector, is provided with a second abutting portion and a second vacant portion, the first abutting portion and the second abutting portion abut to form the abutting surface, and an included angle formed by the first vacant portion and the second vacant portion ranges from 30 ° to 60 °.
4. The lifter die for bumpers of claim 2, wherein a demolding direction of said first lifter forms an angle of 15 ° to 30 ° with a vertical plane of said base.
5. The lifter die of claim 4, wherein a demolding direction of the second lifter is parallel to a vertical plane of the base.
6. The angle-top mold of claim 1, wherein a rail-slider structure is connected between each of the first and second angle tops and the rear mold core to form the sliding connection, wherein the rail of the rail-slider structure is fixed to the rear mold core, and wherein the slider of the rail-slider structure is fixed to the first and second angle tops.
7. The angle-top mold for bumpers of claim 6 wherein said rail in said rail-slider structure comprises a linear rail and/or a curvilinear rail having a curved portion that is concave toward said rear core.
8. The angle lifter die of the bumper as claimed in claim 7, wherein the first angle lifter and the second angle lifter are each provided with a guide rod, one end of the guide rod is provided with a guide rail groove, the guide rail groove and the curved guide rail are mutually matched to form the sliding connection, and the other end of the guide rod penetrates through the main body of the first angle lifter and the main body of the second angle lifter and is provided with a pull block.
9. The lifter die of claim 1, further comprising a first lifter link and a second lifter link, the first lifter link having one end connected to an end of the first lifter proximate to the base and another end connected to the base; one end of the second pitched roof connecting rod is connected with one end, close to the base, of the second pitched roof, and the other end of the second pitched roof connecting rod is connected with the base.
10. The angle-top die for the bumper according to claim 9, wherein a connecting block is disposed between the first angle-top link and the first angle top, a connecting block is disposed between the second angle-top link and the second angle top, sliding grooves are formed in both the first angle top and the second angle top, and the connecting block is slidably connected to the sliding grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921356674.XU CN211467331U (en) | 2019-08-20 | 2019-08-20 | Oblique top mould of bumper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921356674.XU CN211467331U (en) | 2019-08-20 | 2019-08-20 | Oblique top mould of bumper |
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| Publication Number | Publication Date |
|---|---|
| CN211467331U true CN211467331U (en) | 2020-09-11 |
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| CN201921356674.XU Active CN211467331U (en) | 2019-08-20 | 2019-08-20 | Oblique top mould of bumper |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355955A (en) * | 2019-08-20 | 2019-10-22 | 深圳市银宝山新科技股份有限公司 | A kind of oblique top mold of bumper |
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2019
- 2019-08-20 CN CN201921356674.XU patent/CN211467331U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355955A (en) * | 2019-08-20 | 2019-10-22 | 深圳市银宝山新科技股份有限公司 | A kind of oblique top mold of bumper |
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