CN109664850A - A kind of double-colored bumper of integral type and its manufacturing method - Google Patents
A kind of double-colored bumper of integral type and its manufacturing method Download PDFInfo
- Publication number
- CN109664850A CN109664850A CN201910111937.9A CN201910111937A CN109664850A CN 109664850 A CN109664850 A CN 109664850A CN 201910111937 A CN201910111937 A CN 201910111937A CN 109664850 A CN109664850 A CN 109664850A
- Authority
- CN
- China
- Prior art keywords
- bumper
- mold
- double
- colored
- mould
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 36
- 238000000926 separation method Methods 0.000 claims abstract description 51
- 238000001746 injection moulding Methods 0.000 claims abstract description 24
- 238000000465 moulding Methods 0.000 claims abstract description 22
- 238000011161 development Methods 0.000 claims abstract description 12
- 238000005516 engineering process Methods 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims abstract description 11
- 230000007704 transition Effects 0.000 claims abstract description 6
- 210000003205 muscle Anatomy 0.000 claims description 31
- 238000013461 design Methods 0.000 claims description 30
- 238000005507 spraying Methods 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 18
- 230000013011 mating Effects 0.000 claims description 13
- 230000000873 masking effect Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 238000012545 processing Methods 0.000 claims description 10
- 238000004513 sizing Methods 0.000 claims description 7
- 239000003973 paint Substances 0.000 claims description 6
- 238000003032 molecular docking Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 210000004709 eyebrow Anatomy 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 238000005496 tempering Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000002708 enhancing effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 17
- 238000010586 diagram Methods 0.000 description 8
- 239000012528 membrane Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000007592 spray painting technique Methods 0.000 description 7
- 230000002146 bilateral effect Effects 0.000 description 3
- 238000005034 decoration Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 238000004381 surface treatment Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 210000003128 head Anatomy 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/24—Arrangements for mounting bumpers on vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3044—Bumpers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention provides a kind of double-colored bumper of integral type and its manufacturing methods, the bumper it include injection molding front bumper and rear bumper, it is characterized in that, the double-colored bumper is equipped with bumper upper body and bumper lower body, bumper lower body is connected under the bumper upper body, the bumper lower body is dermatoglyph part, while having color separation slot transition to be formed by connecting among the bumper upper body and bumper lower body.Intensity after enhancing bumper integrated can be achieved, while reducing mould development expense, reduce equipment investment and improving utilization rate of equipment and installations, double-colored bumper is realized without assembling disposal molding technology.
Description
Technical field
The invention belongs to the Design of Auto Parts processing and manufacturing technologies, and in particular to a kind of double-colored automobile guarantor of integral type
Dangerous thick stick and its manufacturing method.
Background technique
With the continuous development of social productive forces, manufacture industry and flourish, the production technology of various aspects also increasingly at
It is ripe, in the case where people's living standard increases substantially, automobile have become the short-distance trip of people one kind can not or
The scarce vehicles and quickly spread to broad masses of the people's life.Blowout state was also presented in domestic motor market in recent years
Gesture, a hundred flowers blossom for miscellaneous automobile, while consumer requires higher and higher and various consumption to the product quality of automobile
Hobby also becomes more and more various, occurs the top grades such as double-colored automobile, such as benz Maybach duotone classical collection version vehicle at this time
Vehicle.Bumper, the following demand are exactly the double-colored requirement to bumper, and installation and production mould due to bumper are wanted
It asks, is difficult to realize double-colored bumper at present, double-colored bumper only exists conceptual design or Theoretical Design stage, and there is no real
Border production.Double-colored bumper in experiment is made of upper and lower two parts, i.e., upper body and lower body by buckle or
What screw was assembled together, split type bumper is resulted in this way to be easy to collide in the process of moving in automobile and damage
It scatters, i.e., mechanical strength is inadequate；Further, when manufacturing production, need to develop two sets or more of plastic mould, it is raw simultaneously
Need to use two or more board production equipments therewith during producing, further also needed after upper body has been painted by
Artificial multiple working procedure assembles, time-consuming also labor intensive.Therefore double-colored bumper manufacture at present exist invest it is larger,
The problem of utilization rate is low, production high expensive, therefore never quantization batch production.
Summary of the invention
To solve the above-mentioned problems, the present inventor provides a kind of double-colored automobile of integral type by repeatedly design and research
Bumper and its manufacturing method.
According to the present invention in a first aspect, providing a kind of double-colored bumper of integral type comprising the preceding insurance of injection molding
Thick stick and rear bumper, the double-colored bumper is equipped with bumper upper body and bumper lower body, on the bumper
It is connected with bumper lower body under ontology, the bumper lower body is dermatoglyph part, while the bumper upper body and insurance
There is color separation slot transition to be formed by connecting among thick stick lower body.Wherein upper body and lower body design are structure as a whole；The integral type
There is no buckles to be clamped for structure, there is no screws to connect.
Preferably, the integral structure is to pass through one set of die while producing bumper upper body and bumper lower
Body, the one set of die only needs to produce on an injection molding machine.
Preferably, the color separation slot between bumper upper body and bumper lower body is described for double-colored spraying in next step
The width of color separation slot general 1mm-10mm, preferably 3mm.
It is highly preferred that double-colored spraying is to realize upper body spraying body paint using high temperature resistant shielding film using color separation slot
Color, lower half portion masking retains dermatoglyph feature itself, final to realize the double-colored bumper of disposal molding.
Further, upper body left-side 13 is and left side flap daughter board, rear left side wheels eyebrow and rear left side block after vehicle body sheet metal
Mud plate overlap joint；Upper body right side wall 14 is overlapped with right side fender, rear right side wheel arch and rear right side mud guard after vehicle body sheet metal；
Left tail lamp mating surface 15 is the mating surface region of left tail lamp lower end support；Right tail lamp mating surface 16 is matching for right tail lamp lower end support
Conjunction face domain；Radar hole 10 (or camera shooting head bore) is the through-hole for installing reversing radar (or camera), on upper body surface
Linear homogeneous distribution, belongs to the hole location of after-processing technology realization；Screw hole 17 is rear bumper ontology and the fixed use of vehicle body sheet metal
Screw through-hole.
Preferably, the correspondence of left side brackets fixing muscle 18 snaps fit on left installation bracket；The corresponding card of right side bracket fixing muscle 19
It is connected on right mounting bracket；Rear bumper left installation bracket is fixed on metal plate left side body, and rear bumper right mounting bracket is solid
It is scheduled on metal plate right side bodies；Left side mud guard fixing muscle 20 is fixed together by screw and rear left side mudguard, right side gear
Mud plate fixing muscle 21 is fixed together by screw and rear right side mud guard；Middle part clamping muscle 6 snaps fit onto be connected in the middle part of vehicle body sheet metal
It connects hole and is used to support rear bumper ontology.
Second aspect according to the present invention provides the method for manufacturing the above-mentioned double-colored bumper of integral type comprising with
Lower step:
The first step, product design: the specific structure and size of each components of design composition bumper；
Second step, mould development: mould and mold rear mold before design mold embody the back side phase of bumper in mold rear mold
Close structure；What die body was existing before mold is the front dependency structure of bumper；Die locating ring be before mold mould and mold rear mold with
The position of the nozzle docking of injection molding machine；
Injection molding: third step forms hollow shape of product type chamber after mould and mold rear mold closure before above-mentioned mold, moulds
Sizing material after change is pressed into shape of product type chamber using runner by die locating ring, and shape of product cavity filling is completely rear cold
It but is the product of demand；Wherein, mold rear mold plays the role of ejecting product after this face structure of shaped article and molding；Mold
Preceding mould plays the role of the face the A appearance that shaped article Facad structure forms product；Mould is by dividing before mold rear mold and mold
The fully mated sealing in type face forms closed cavity space, and fit clearance is zero clearance between mould before mold rear mold and mold
Relationship.
Further, in above-mentioned third step, die locating ring is affixed to before mold on the cavity wall of mould, while
It is the artis for connecting injection molding machine and mold cavity, after the sizing material of injection molding machine plasticizing enters mold above-mentioned by this position
The hermetic type chamber that mould is formed before mould and mold, is finally cooled into required product；
Or in above-mentioned second step, according to 3D data subscription blank material after the completion of mold design, A is and then carried out respectively
Plate, B plate and subassembly open thick and tempering, water route processing, then the chamber CNC semifinishing of next step type and finishing, type core
Big lip cap High Speed Milling Operation, then next step type core and the spark discharge of cavity portion position, then next step rear bumper rear mold are oblique greatly
Top, line position with mould and front and back mould molding die joint integrally fly mould.
Using the double-colored bumper of integral type of the invention and its manufacturing method, it can be achieved that after enhancing bumper integrated
Intensity, while reduce mould development expense, reduce equipment investment and improve utilization rate of equipment and installations, realize double-colored bumper
Without assembling disposal molding technology, the manufacturing technology of double-colored bumper is innovated, production cost has effectively been controlled and mentions
The high performance of enterprises, finally improves the core competitiveness of enterprise.In addition, the configuration of the present invention is simple is stable, design is reasonable, it is worth extensive
It promotes and applies.
Detailed description of the invention
Fig. 1 is the structural representation front view of the double-colored bumper of integral type according to the present invention；
Fig. 2 is the top view of the double-colored bumper of integral type according to the present invention；
Fig. 3 is the left view of the double-colored bumper of integral type according to the present invention；
Fig. 4 is the front view of bumper upper body shown in Fig. 1；
Fig. 5 is the rear view of bumper upper body shown in Fig. 1；
Fig. 6 is the front view of bumper lower body shown in Fig. 1；
Fig. 7 is the rear view of bumper lower body shown in Fig. 1；
Fig. 8 is the partial enlarged view of rear bumper ontology color separation slot；
Fig. 9 is the structural schematic diagram of color separation slot shown in Fig. 8；
Figure 10 is rear bumper mold overall schematic；
Figure 11 is the schematic diagram of rear bumper rear mold；
Figure 12 is the schematic diagram of rear bumper front mold.
Appended drawing reference in attached drawing is specific as follows:
1- upper body；2- lower body；3- color separation slot (3- bumper up/down ontology color separation slot)；4- covers gummed paper；The resistance to height of 5-
Warm film；Muscle is clamped in the middle part of 6-；7- bottom plate mounting hole；8- bracket is clamped muscle；9- taillight supporting surface；10- radar hole；11- wheel arch
Card access surface；12- is electroplated bright wisp and is clamped position；13- upper body left-side；14- upper body right side wall；15- left tail lamp mating surface；16-
Right tail lamp mating surface；10- radar hole；17- screw hole；18- left side brackets fixing muscle；Bracket fixing muscle on the right side of 19-；On the left of 20-
Mud guard fixing muscle；Mud guard fixing muscle on the right side of 21-；Muscle is clamped in the middle part of 6-；22- lower body top edge；Backplate under 23-；24- card
Position；25- left fog lamp hole；26- right fog lamp hole；The left mud guard fixing muscle of 27-；The right mud guard fixing muscle of 28-；29- bottom plate fixing muscle；
30- rear mold；Mould before 31-；32- locating ring；33- bottom plate；34- big lip cap；The big oblique top of 35-；36- guide post；37- ejector retainner plate；38-
Bottom plate；39- type chamber；40- guide groove.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.Additionally, protection scope of the present invention should not only be limited to following
Specific structure or component or design parameter.
The double-colored bumper of integral type provided by the present invention and its manufacturing method, the main product including early period are set
The modules such as meter, mould development, double-colored spraying process.The specific works method of the technology is also disclosed, which will insure
Directly merge design when the upper body and lower body Front-end Design of thick stick to be integrated, and then realizes one during mould development
Mold produces two kinds of functional modules of up/down ontology simultaneously, then finally realizes that double-colored automobile is protected with the method for masking spraying
The disposal molding of dangerous thick stick product.Above-mentioned double-colored bumper manufacturing technology is, it can be achieved that strong after enhancing bumper integrated
Degree, while reducing mould development expense, reduce equipment investment and improving utilization rate of equipment and installations, it realizes double-colored bumper and is not necessarily to
Assemble disposal molding technology, innovated the manufacturing technology of double-colored bumper, effectively control increased production cost enterprise
Industry benefit, finally improves the core competitiveness of enterprise.
The double-colored bumper of integral type of the present invention, it is described it is particularly applicable to riding automobile-used injection molding bumper
The double-colored bumper of integral type includes the front bumper and rear bumper of injection molding, and the double-colored bumper is equipped with insurance
Thick stick upper body and bumper lower body are connected with bumper lower body, the bumper upper body under the bumper upper body
The homochromy paint of vehicle body can be sprayed, the bumper lower body is dermatoglyph part, while under the bumper upper body and bumper
There is color separation slot transition to be formed by connecting among ontology.Preferably, the double-colored bumper in product design upper body and
Lower body design is structure as a whole, and the color separation slot can obviously distinguish bumper upper body and bumper lower body.Into
One step, there is no buckles to be clamped for the integral structure, there is no screws to connect.The integral structure is by a cover die
Tool produces bumper upper body and bumper lower body simultaneously, and the one set of die only needs to give birth on an injection molding machine
It produces.
The transitional joint region of bumper upper body and bumper lower body is equipped with color separation slot and is convenient for subsequent double-colored spraying, i.e.,
Color separation slot between bumper upper body and bumper lower body is general for double-colored spraying, the width of the color separation slot in next step
1mm-10mm, preferably 3mm；The color separation slot peak width of the bumper upper body and bumper lower body more preferably generally exists
2mm wide is convenient for subsequent masking operation.Double-colored spraying is to realize that upper body is sprayed using high temperature resistant shielding film using color separation cavity feature
Body paint color is applied, lower half portion masking retains dermatoglyph eigen, final to realize the double-colored bumper of disposal molding.
In the present invention, it is critical that directly merge design when by the upper body of bumper and lower body Front-end Design
It is integrated, one set of die is and then realized during mould development while producing two kinds of functional modules of up/down ontology, so
The disposal molding of double-colored bumper product is finally realized with the method for masking spraying afterwards.Generally, the upper body spray
Body color is applied, the lower body is dermatoglyph part, and the bumper upper body and bumper lower body are by color separation slot transition
It links together.As the support to above-mentioned technical proposal, the double-colored bumper upper body is automatic using manipulator
Spraying, the lower body dermatoglyph is to make this feature effect in mould development.Further, the double-colored automobile
It is needed when the final disposal molding of bumper using manually along the masking auxiliary material of color separation slot pasted with high temperature-resistant (resistance to 90 DEG C general).
Lower mask body combination attached drawing does further the double-colored bumper of integral type of the invention and its manufacturing method
Explanation.
As shown in Figure 1-3, Fig. 1 is the structural representation front view of the double-colored bumper of integral type according to the present invention；Fig. 2
It is the top view of the double-colored bumper of integral type according to the present invention；Fig. 3 is the double-colored automobile guarantor of integral type according to the present invention
The left view of dangerous thick stick.Double-colored bumper is set on plates of automobile vehicle body the plastic part for playing decoration buffer function, double-colored automobile
Bumper includes upper body 1, lower body 2, color separation slot 3, subsequent technique production masking gummed paper 4, high-temperature resistant membrane 5.The guarantor
Dangerous 1 lower edge of thick stick upper body is connect with 3 top edge of color separation slot, and the lower edge of the color separation slot 3 and the top edge of lower body 2 connect
It connects, the upper body 1 is an integral structure with the lower body 2, can effectively guarantee the intensity of the double-colored bumper.
Masking gummed paper 4 plays the role of bonding high-temperature resistant membrane and bonds bumper body, and high-temperature resistant membrane is for covering bumper
Lower body 2 avoids bumper lower body 2 from being sprayed-on and paints, and gummed paper 4 is covered when spray painting operation along the upper of color separation slot 3
Edge or lower edge tight bond depend on color separation slot 3, and 5 one end of high-temperature resistant membrane is adhered on masking gummed paper, high temperature resistant
5 other end of film covers the surface for wrapping bumper lower body 2, and paint when spray painting is avoided to be splashed to bumper lower body
On 2, masking gummed paper 4 is thoroughly removed by spray painting operation from the adhesive face of color separation slot 3 after the completion just completes operation.
Spraying generally plays a part of to decorate body side wall, bumper lower body 2 one with the homochromy bumper upper body 1 of vehicle body
As be dermatoglyph part, when Mold Making before mould surface handled through dermatoglyph, injection molding production forms dermatoglyph part, plays protection vehicle body internal junction
The effect of structure, color separation slot 3 are that bumper upper body 1 and the physical boundaries of bumper lower body 2 mainly facilitate subsequent industrialization
Production operation.Middle part clamping muscle position 6 is the contact site in the middle part of bumper with the fixed clamping of vehicle body sheet metal connecting hole, rise positioning and
The effect of bearing part bumper own wt；Bottom plate mounting hole 7 is that bumper lower body with chassis component connect positioning
With；Bracket installs muscle position 8, and symmetrically distribution mainly plays positioning and bumper is connect with vehicle body, control and conciliation guarantor
Dangerous thick stick and the gap of vehicle body lap position and face are poor, while playing bearing part bumper own wt；Taillight supporting surface 9
Play bearing part taillight weight and positioning action.
The double-colored bumper left view of automobile as shown in Figure 3, bumper upper body 1 are spraying vehicle body same colors
, play a part of to decorate body side wall；Bumper lower body 2 is dermatoglyph part, when Mold Making before mould surface dermatoglyph handle, note
Modeling production forms dermatoglyph part, plays the role of protecting vehicle body；Radar hole 10 is equally distributed, installation in bumper body
The effect of fixed radar bracket；Wheel arch card access surface 11 is symmetrical, has been that fixed wheel arch has been used location control wheel arch and protected
The effect of dangerous this body space of thick stick and face difference；The physical boundaries of 3 bumper upper body of color separation slot, 1 bumper lower body 2, mainly just
Continue industrialized production operation after an action of the bowels；Plating bright wisp clamping muscle position 12 is that bilateral symmetry is distributed, and plays the fixed plating bright wisp of installation
Effect.Preferably, bumper upper body 1 described in this embodiment is just needed with the bumper lower body 2 in product design
It is designed to integral structure, the bumper upper body 1 is connected as one by 3 transition of color separation slot with the bumper lower body 2
Body, integral structure design is to ensure that the final intensity of product.Wherein color separation slot, which is discussed in detail, sees following Fig. 6 and Fig. 7 solution
It releases, the composition of bumper upper body, bumper lower body is discussed in detail in following attached drawing 4,5,6,7 respectively in product design.
As shown in Figure 4-8, Fig. 4 is the front view of bumper upper body shown in Fig. 1；Fig. 5 is bumper shown in Fig. 1
The rear view of upper body；Fig. 6 is the front view of bumper lower body shown in Fig. 1；Fig. 7 is under bumper shown in Fig. 1
The rear view of ontology；Fig. 8 is the partial enlarged view of rear bumper ontology color separation slot.
By taking the rear bumper of automobile as an example, rear bumper ontology generally comprises upper body (on Fig. 4 upper body front and Fig. 5
The ontology back side) and lower body (Fig. 6 lower body front and Fig. 7 lower body back side), wherein upper body is typically all homochromy with vehicle body
Spray painting part plays role in decoration, and lower body has been usually the dermatoglyph part of protection and decoration function.Such as Fig. 4 bumper upper body front institute
Show, upper body left-side 13 is overlapped with left side flap daughter board, rear left side wheels eyebrow and rear left side mudguard after vehicle body sheet metal；Upper body
Right side wall 14 is overlapped with right side fender, rear right side wheel arch and rear right side mud guard after vehicle body sheet metal；Left tail lamp mating surface 15
It is the mating surface region of left tail lamp lower end support；Right tail lamp mating surface 16 is the mating surface domain of right tail lamp lower end support；Radar hole
10 (or camera shooting head bore) are the through-holes for installing reversing radar (or camera), are generally uniformly divided in upper body surface linear
Cloth belongs to the hole location of after-processing technology realization；Screw hole 17 is the screw through-hole that rear bumper ontology and vehicle body sheet metal are fixed.
As shown in Fig. 5 bumper upper body back side, the correspondence of left side brackets fixing muscle 18 is snapped fit on left installation bracket；Right side
The correspondence of bracket fixing muscle 19 snaps fit on right mounting bracket；Rear bumper left installation bracket is fixed on metal plate left side body, after
Bumper right mounting bracket is fixed on metal plate right side bodies；Left side mud guard fixing muscle 20 passes through screw and rear left side mudguard
It is fixed together, right side mud guard fixing muscle 21 is fixed together by screw and rear right side mud guard；Middle part is clamped muscle 6 and is clamped
Connecting hole is used to support rear bumper ontology in the middle part of to vehicle body sheet metal.
Fig. 6 be the positive schematic diagram of bumper lower body, lower body top edge 22 be the region being connect with upper body and
Color separation slot region；Lower backplate 23 generally uses plastics dermatoglyph part for preventing exotic, and lower backplate 23 is mounted in lower body,
Or it is integrated with lower body；Plated item detent 24 is mainly used for fixed rear bumper decorative plating item, plated item card
Position 24 is mounted between left and right fog lamp and lower body top edge 22；Left fog lamp mounting hole 25, right fog lamp mounting hole 26 are for fixing
Rear bumper or so fog lamp is used.
Lower body back view as shown in Figure 7, left mud guard fixing muscle 27 is for fixing the left mud guard of rear-wheel, right mud guard
Fixing muscle 28 is for fixing the right mud guard of rear-wheel；Bottom plate fixing muscle 29 is for fixing backplate under lower body.
Integral type rear bumper color separation slot partial enlarged view as shown in Figure 8, above-mentioned rear bumper upper body, rear bumper
After lower body is integrated, docking region color separation slot needs an apparent distinguishing limit, for distinguishing upper body and lower body,
The spray painting of later period upper body is considered simultaneously, and the technique of the dermatoglyph surface treatment of lower body realizes feasibility, the docking region color separation
The width of slot is generally set in 1mm-3mm, preferably 2mm or so；Color separation groove depth is generally set in 1mm-3mm, and preferably 2mm is left
It is right.
As shown in figure 9, Fig. 9 is the structural schematic diagram of color separation slot shown in Fig. 8, upper body 1 is usually that spraying vehicle body is homochromy,
Lower body 2 is usually dermatoglyph part, and mould surface dermatoglyph processing injection molding obtains lower body 2 before mold when mould development early period,
Color separation slot 3 is the transitional region of upper body 1 Yu lower body 2, and the top edge of color separation slot 3 borders on the lower edge whole process of upper body 1, point
The lower edge of color slot 3 is bordered on in lower body 2 along whole process.Color separation slot 3 is usually the comparison straight flow with certain radian along mistake
The region crossed.Refering to what is shown in Fig. 1, masking gummed paper 4 is generally covered along the top edge of color separation slot 3 or lower edge, thus covering
Play the role of obviously distinguishing online ontology in spraying；It covers gummed paper 4 and preferably uses High temperature-resistanadhesive adhesive tape.The width c mono- of color separation slot 3
As be 1mm to 3mm, preferably 2.5mm, 2mm, 1.5mm, width c be exactly upper body 1 most under along edge to lower body 2 most
The length of top edge；The depth d of color separation slot 3 is generally 1mm to 3mm, preferably 2.5mm, 2mm, 1.5mm, and depth d is exactly color separation
3 upper surface of slot to the upper surface of upper body 1 length (or the upper surface of color separation slot 3 to the length of the upper surface of lower body 2),
It can physically facilitate and distinguish upper body 1 and lower body 2.From visual effect, naturally by upper body 1 and lower body
2 can be used as one, and only the division of functional area and sequent surface processing are different, finally ensure that the double-colored work of product in this way
The appearance that skill is realized, while in turn ensuring the intensity of product, finally play the color separation slot effect killed two birds with one stone.
Manufacturing method according to the present invention, specific as follows:
The first step, product design: the specific structure and size of each components of design composition bumper；
Second step, mould development: mould and mold rear mold before design mold embody the back side phase of bumper in mold rear mold
Close structure；What die body was existing before mold is the front dependency structure of bumper；Die locating ring be before mold mould and mold rear mold with
The position of the nozzle docking of injection molding machine；
Injection molding: third step forms hollow shape of product type chamber after mould and mold rear mold closure before above-mentioned mold, moulds
Sizing material after change is pressed into shape of product type chamber using runner by die locating ring, and shape of product cavity filling is completely rear cold
It but is the product of demand.Wherein, mold rear mold plays the role of ejecting product after this face structure of shaped article and molding；Mold
Preceding mould plays the role of the face the A appearance that shaped article Facad structure forms product；Mould is by dividing before mold rear mold and mold
The fully mated sealing in type face forms closed cavity space, and fit clearance is zero clearance between mould before mold rear mold and mold
Relationship.
Wherein, in above-mentioned third step, die locating ring 32 is affixed to before mold on the cavity wall of mould 31, simultaneously
It is also the artis of connection injection molding machine and mold cavity, the sizing material of injection molding machine plasticizing enters mold above-mentioned by this position
The hermetic type chamber that mould 31 is formed before rear mold 30 and mold, is finally cooled into required product.
In above-mentioned second step, according to 3D data subscription blank material after the completion of mold design, A plate is and then carried out respectively
(mould such as Figure 12 signal type chamber before rear bumper), B plate (rear bumper rear mold such as Figure 11 signal type core) and subassembly open it is thick and
Tempering, water route processing, then the chamber CNC semifinishing of next step type and finishing, type core big lip cap High Speed Milling Operation, then next step type
Core and spark discharge of cavity portion position, then the big oblique top of next step rear bumper rear mold rear mold as shown in figure 11, line position etc.
Integrally fly mould with mould and front and back mould molding die joint, whole process to T0 generally requires about 120 days fabrication cycles, whole to mold
After good, having a fling at for T0, T1, T2 ... Tn etc. is arranged in next step.
More specifically, as shown in figs. 10-12, Figure 10 is after rear bumper mold overall schematic, Figure 11 are rear bumper
Schematic diagram, Figure 12 of mold are the schematic diagrames of rear bumper front mold.Rear bumper mold is integrally as shown in Figure 10, mold rear mold
30 i.e. type core, what is embodied in mold molding is that back side dependency structure such as thimble, jacking block, oblique top of product etc. is concentrated in this portion
On part；Before mold mould 31 be type chamber, mold molding in embody is product front dependency structure, surface treatment require compared with
Height is such as polishing, dermatoglyph；Die locating ring 32 is the position that mold is docked with the nozzle of injection molding machine, above-mentioned preceding mould 31 and rear mold
Hollow shape of product type chamber is formed after 30 closures, the sizing material after plasticizing is pressed into type chamber using runner by locating ring 32,
Cavity filling cools down the product of as demand afterwards completely.Briefly, mold rear mold 30 plays this face structure of shaped article and molding
The effect of ejecting product afterwards；Mould 31 plays the role of the face the A appearance that shaped article Facad structure forms product before mold；Mold
Mould 31 is to form closed cavity space, mold rear mold 30 and mould by the fully mated sealing of die joint before rear mold 30 and mold
The theoretical fit clearance of mould 31 is the relationship of zero clearance before having.Further, after above-mentioned third step, product tabula rasa part is through visitor
After family confirms well, the dermatoglyph production of mould surface before the rear bumper lower body of next step is arranged.It is clear that dermatoglyph production is divided into step 1
Wash, glue spraying activity time is 1 day, step 2 protection, examining activity time are 3 days, and step 3 patch line, the texture inspection operation time is
2 days, it was 1 day that step 4, which corrodes texture activity time, finally checked that the cleaning process time is 1 day, and final dermatoglyph processing is completed, after
The surface treatment of mould is completed before bumper lower body.
Shown in rear bumper rear mold Figure 11, bottom plate 33 plays mode, the ejector retainner plate, thimble, heat carried above fixed rear mold
The effect of runner, guide post, big oblique top；Big lip cap 34 plays the role of imitative product backside structure type face and product ejection；It is big oblique
It pushes up 35 diagram bilateral symmetries to be distributed, plays and split product back side surface structure function, while ejecting product after formed product
Effect；Guide post 36 plays the role of importing to fit like a glove with type core by the whole guide rail along preceding mould of rear mold being unlikely to offset；Top
Needle plate 37 plays the role of the thimble and jacking block of fixed rear mold whole.Ejector retainner plate 37 is fixed on bottom plate 33, big lip cap 34 and big
Oblique top 35 is adjacent to cooperatively form complete product backside structure type face, is connected on ejector retainner plate 37 by thimble or mandril, guiding
Column 36 is fixed on type core pedestal.
Mould is as shown in figure 12 before rear bumper, and preceding baffle plate 38 is to play the role of the components such as bearing type chamber, cooling system；
Preceding model cavity 39 is to play the role of the face shaped article A appearance structure；After preceding mould guide groove 40 that is to say that guide rail plays guidance
Guide post 36 reaches the position limited along correct track in bumper rear mold such as Figure 11, plays the role of guiding and positioning,
Preceding mould guide groove 40 is located on the side wall of preceding model cavity 39, and preceding model cavity 39 is located on preceding baffle plate 38, preceding baffle plate 38, preceding mould
The components such as type chamber 39, preceding mould guide groove 40 ultimately form the entire preceding mould module of rear bumper mold.
It is required according to technique, bottom plate 33 plays mode, the ejector retainner plate, thimble, hot flow path, guiding carried above fixed rear mold
The effect of column, big oblique top；Big lip cap 34 plays the role of imitative product backside structure type face and product ejection；Big 35 Figure 11 institute of oblique top
Show that bilateral symmetry is distributed, plays the role of splitting product back side surface structure function, while playing ejecting product after formed product；It leads
Play the role of importing to fit like a glove with type core by the whole guide rail along preceding mould of rear mold to column 36 being unlikely to offset；Ejector retainner plate 37 rises
To the effect of the thimble and jacking block of fixed rear mold whole.Ejector retainner plate 37 is fixed on bottom plate 33, big lip cap 34 and big 35 phase of oblique top
Neighbour cooperatively forms complete product backside structure type face, is connected on ejector retainner plate 37 by thimble or mandril, and guide post 36 is fixed
In on type core pedestal.Mould is as shown in figure 12 before rear bumper, and preceding baffle plate 38 plays the components such as bearing type chamber, cooling system
Effect；Preceding model cavity 39 is to play the role of the face shaped article A appearance structure；Preceding mould guide groove 40 that is to say that guide rail plays and draw
It leads guide post 36 in rear bumper rear mold such as Figure 11 and reaches the position limited along correct track, play the work of guiding and positioning
With, preceding mould guide groove 40 is located on the side wall of preceding model cavity 39, and preceding model cavity 39 is located on preceding baffle plate 38, preceding baffle plate 38,
The components such as preceding model cavity 39, preceding mould guide groove 40 ultimately form the entire preceding mould module of rear bumper mold.
After the bumper of injection molding, the spray painting of progress is handled, the first step of spray painting, the double-colored bumper
Upper body 1 needs to spray body color, and using the high tempreture tape 4 and high-temperature resistant membrane 5, (temperature resistant to high temperature is 90
DEG C or so), by the high tempreture tape 4 along the top edge or the complete firm pasting of lower edge of the color separation slot 3 in product
On, then the high-temperature resistant membrane 5 was covered lower 2 surface of rear bumper lower body is fully wrapped around, shown in resistance to height
Warm gummed paper 4 and high-temperature resistant membrane 5 are by operating on mould punching molding, they are entirely to copy the shape of color separation slot 3 imitated, are convenient for
Subsequent sticking operation.The double-colored bumper is integrally put into automatic spraying coating line after the completion of above-mentioned steps, it is described upper
1 surface of body spraying body color is finally offline through overbaking, after offline cooling that the high tempreture tape 4 is primary along color separation slot 3
Property disassemble, the upper body 1 has completed the spraying of vehicle body color at this time, and the 2 dermatoglyph pattern of lower body also protected
Firmly, by the i.e. disposable production molding of visual examination this double-colored bumper without exception.
The double-colored bumper upper body 1 and the bumper lower body 2 do not need using buckle clamping or
Screw fastening etc. modes assemble, source design when have been defined as one, thus ensure that bumper integral strength and outside
It sees without splicing line of demarcation etc. unsightly phenomenon.
In the art of this patent, the double-colored bumper only needs 1 injection-moulding device disposably i.e. in actual production
Achievable molding, it is subsequent not need to generate manual assembly process again, while realizing and reducing equipment investment, improving board utilization
Rate, the purpose for reducing cost of labor, improving enterprise's productivity effect.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Those skilled in the art is appreciated that without departing substantially from appended right
It is required that various modifications can be made in form and detail in the case where the spirit and scope of the present invention of definition.
Claims (10)
1. a kind of double-colored bumper of integral type comprising the front bumper and rear bumper of injection molding, which is characterized in that described
Double-colored bumper is equipped with bumper upper body and bumper lower body, is connected with bumper under the bumper upper body
Lower body, the bumper lower body are dermatoglyph parts, are provided with color separation among the bumper upper body and bumper lower body
Slot transition is formed by connecting.
2. double-colored bumper according to claim 1, which is characterized in that upper body and lower body design are integrated knot
Structure.
3. double-colored bumper according to claim 2, which is characterized in that there is no buckle cards for the integral structure
It connects, there is no screws to connect.
4. double-colored bumper according to claim 2, which is characterized in that the integral structure is by a cover die
Tool produces bumper upper body and bumper lower body simultaneously, and the one set of die only needs to give birth on an injection molding machine
It produces.
5. double-colored bumper according to claim 2, which is characterized in that bumper upper body and bumper lower body
Between color separation slot for double-colored spraying in next step, the width general 1mm-10mm, preferably 3mm of the color separation slot.
6. double-colored bumper according to claim 2, which is characterized in that double-colored spraying is adopted using color separation cavity feature
Realize that upper body sprays body paint color with high temperature resistant shielding film, lower half portion masking retains dermatoglyph feature itself, final real
The existing double-colored bumper of disposal molding.
7. double-colored bumper according to claim 2, which is characterized in that upper body left-side be with after vehicle body sheet metal
Left side fender, rear left side wheels eyebrow and rear left side mudguard overlap joint；Upper body right side wall be with after vehicle body sheet metal right side fender,
Right side wheel arch and rear right side mud guard overlap joint afterwards；Left tail lamp mating surface is the mating surface region of left tail lamp lower end support；Right tail lamp
Mating surface is the mating surface domain of right tail lamp lower end support；Radar hole is the through-hole for installing reversing radar, in upper body table
It is area linear to be uniformly distributed, belong to the hole location of after-processing technology realization；Screw hole is rear bumper ontology and the fixed use of vehicle body sheet metal
Screw through-hole.
8. double-colored bumper according to claim 2, which is characterized in that left side brackets fixing muscle correspondence snaps fit onto a left side
In mounting bracket；Bracket fixing muscle correspondence in right side snaps fit on right mounting bracket；Rear bumper left installation bracket is fixed on metal plate
On left side body, rear bumper right mounting bracket is fixed on metal plate right side bodies；Left side mud guard fixing muscle by screw with
Rear left side mudguard is fixed together, and right side mud guard fixing muscle is fixed together by screw and rear right side mud guard；Middle part
Clamping muscle snaps fit onto connecting hole in the middle part of vehicle body sheet metal and is used to support rear bumper ontology.
9. the method for making any double-colored bumper of integral type of the claims 1-8 comprising following step
It is rapid:
The first step, product design: the specific structure and size of all parts in design insurance thick stick；
Second step, mould development: mould and mold rear mold before design mold embody the back side correlation knot of bumper in mold rear mold
Structure；What die body was existing before mold is the front dependency structure of bumper；Die locating ring is mould and mold rear mold and injection molding before mold
The position of the nozzle docking of machine；
Injection molding: third step forms hollow shape of product type chamber after mould and mold rear mold closure before above-mentioned mold, after plasticizing
Sizing material shape of product type chamber is pressed into using runner by die locating ring, cooling is shape of product cavity filling afterwards completely
For the product of demand；Wherein, mold rear mold plays the role of ejecting product after this face structure of shaped article and molding；Mould before mold
Play the role of the face the A appearance that shaped article Facad structure forms product；Mould is to pass through die joint before mold rear mold and mold
Fully mated sealing form closed cavity space, fit clearance is the pass of zero clearance between mould before mold rear mold and mold
System.
10. the method for the double-colored bumper of manufacture according to claim 9, which is characterized in that
Wherein, in above-mentioned third step, die locating ring is affixed to before mold on the cavity wall of mould, while being also connection note
The sizing material of the artis of molding machine platform and mold cavity, injection molding machine plasticizing enters mold rear mold above-mentioned and mold by this position
The hermetic type chamber that preceding mould is formed, is finally cooled into required product；
Or in above-mentioned second step, according to 3D data subscription blank material after the completion of mold design, A plate, B are and then carried out respectively
Plate and subassembly open thick and tempering, water route processing, then the chamber CNC semifinishing of next step type and finishing, the big lid of type core
Cap High Speed Milling Operation, then next step type core and the spark discharge of cavity portion position, then the big oblique top of next step rear bumper rear mold, row
Position integrally flies mould with mould and front and back mould molding die joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910111937.9A CN109664850B (en) | 2019-02-07 | 2019-02-07 | Integrated double-color automobile bumper and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910111937.9A CN109664850B (en) | 2019-02-07 | 2019-02-07 | Integrated double-color automobile bumper and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109664850A true CN109664850A (en) | 2019-04-23 |
| CN109664850B CN109664850B (en) | 2022-03-15 |
Family
ID=66151449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910111937.9A Active CN109664850B (en) | 2019-02-07 | 2019-02-07 | Integrated double-color automobile bumper and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109664850B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110509876A (en) * | 2019-08-13 | 2019-11-29 | 长亨汽配工业(昆山)有限公司 | A kind of dermatoglyph bumper |
| CN110549968A (en) * | 2019-07-26 | 2019-12-10 | 天津华夏联盛汽车部件有限公司 | Rear bumper face guard assembly mounting structure |
| CN111112958A (en) * | 2020-01-07 | 2020-05-08 | 天津银宝山新科技有限公司 | Processing technology of bumper large insert |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5968218A (en) * | 1982-10-13 | 1984-04-18 | Inoue Mtp Co Ltd | Manufacture of two-tone color bumper cover |
| CN2851023Y (en) * | 2005-10-22 | 2006-12-27 | 重庆长安汽车股份有限公司 | Automobile rear bumper mounting structure |
| CN103567128A (en) * | 2013-11-20 | 2014-02-12 | 上汽通用五菱汽车股份有限公司 | Color register spraying method of automobile bumper |
| CN103934963A (en) * | 2014-03-21 | 2014-07-23 | 苏州益群模具有限公司 | Automobile bumper injection mould |
| CN204432580U (en) * | 2015-01-28 | 2015-07-01 | 长城汽车股份有限公司 | For the bumper/spoiler of vehicle |
| CN107618576A (en) * | 2017-10-18 | 2018-01-23 | 洛阳北方易初摩托车有限公司 | Front part of vehicle working of plastics bridging arrangement |
| CN107755992A (en) * | 2016-08-22 | 2018-03-06 | 方芳 | A kind of processing technology of injection mold cavity |
-
2019
- 2019-02-07 CN CN201910111937.9A patent/CN109664850B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5968218A (en) * | 1982-10-13 | 1984-04-18 | Inoue Mtp Co Ltd | Manufacture of two-tone color bumper cover |
| CN2851023Y (en) * | 2005-10-22 | 2006-12-27 | 重庆长安汽车股份有限公司 | Automobile rear bumper mounting structure |
| CN103567128A (en) * | 2013-11-20 | 2014-02-12 | 上汽通用五菱汽车股份有限公司 | Color register spraying method of automobile bumper |
| CN103934963A (en) * | 2014-03-21 | 2014-07-23 | 苏州益群模具有限公司 | Automobile bumper injection mould |
| CN204432580U (en) * | 2015-01-28 | 2015-07-01 | 长城汽车股份有限公司 | For the bumper/spoiler of vehicle |
| CN107755992A (en) * | 2016-08-22 | 2018-03-06 | 方芳 | A kind of processing technology of injection mold cavity |
| CN107618576A (en) * | 2017-10-18 | 2018-01-23 | 洛阳北方易初摩托车有限公司 | Front part of vehicle working of plastics bridging arrangement |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110549968A (en) * | 2019-07-26 | 2019-12-10 | 天津华夏联盛汽车部件有限公司 | Rear bumper face guard assembly mounting structure |
| CN110509876A (en) * | 2019-08-13 | 2019-11-29 | 长亨汽配工业(昆山)有限公司 | A kind of dermatoglyph bumper |
| CN111112958A (en) * | 2020-01-07 | 2020-05-08 | 天津银宝山新科技有限公司 | Processing technology of bumper large insert |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109664850B (en) | 2022-03-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109664850A (en) | A kind of double-colored bumper of integral type and its manufacturing method | |
| CN109659667A (en) | A kind of plastic casing structure and preparation method thereof | |
| CN102673487B (en) | Built-in decoration frame with multiple uncoated polishings | |
| CN111031160A (en) | Production process of composite board mobile phone rear cover | |
| CN101730414A (en) | Housing and method for making same | |
| CN103192487A (en) | Article attachable to an exterior surface of a vehicle and method of forming the article | |
| CN106040563B (en) | A kind of manufacture method of appearance member, appearance member and electronic device | |
| CN109049522A (en) | A kind of band film exterior trimming parts glass assembly with glass and its manufacturing method | |
| CN102431119A (en) | Forming decoration technology | |
| CN209581389U (en) | A kind of double-colored bumper of integral type | |
| CN207770241U (en) | A kind of appearance member and electronic device | |
| CN109334033A (en) | A kind of dummy slider Shooting Technique based on automobile interior decoration | |
| CN104477106B (en) | Production method of highlight D post decorative sheet | |
| CN210252790U (en) | Automobile sign does not have accurate coating of formula of sheltering from and sprays paint with accurate cover utensil | |
| CN102211376A (en) | Automobile interior trim part having 3D texture and manufacturing process thereof | |
| CN210252789U (en) | Automobile logo is scribbled membrane and is sprayed paint with accurate cover utensil | |
| CN203410392U (en) | Automobile decorative plate mounting structure | |
| CN207576726U (en) | A kind of vehicle emblem spray painting has with accurate cover | |
| JP2017140702A (en) | Resin molding, die for resin molding, and resin molding method | |
| CN110572505A (en) | Terminal shell, processing method thereof and terminal equipment | |
| CN220114695U (en) | Side wall planking of bicolor car | |
| CN102632584A (en) | Method for manufacturing appearance piece | |
| CN218615064U (en) | Anti-sticking PU foaming mold for automobile steering wheel | |
| JP4096334B2 (en) | Mask jig and method of manufacturing mask jig | |
| CN203659954U (en) | Battery cover for mobile phone |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: An integrated dual color car bumper and its manufacturing method Effective date of registration: 20231130 Granted publication date: 20220315 Pledgee: Bank of China Limited Xiangyang Branch Pledgor: XIANGYANG GUANGRUI AUTO PARTS Co.,Ltd. Registration number: Y2023980068289 |