CN113942195A

CN113942195A - Scratch-resistant highlight injection molding mold for automobile exterior trimming parts

Info

Publication number: CN113942195A
Application number: CN202111246456.2A
Authority: CN
Inventors: 刘勇祥; 闵烨; 闫庆林
Original assignee: Wuhan Champion Electronic Co ltd
Current assignee: Wuhan Champion Electronic Co ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-01-18

Abstract

The invention discloses a scratch-resistant highlight injection molding mold for automobile exterior trimming parts, relates to the technical field of injection molds, and aims to solve the existing problems. According to the invention, after hot raw materials are filled into the mold, cold water is introduced into the water inlet pipe, and the cold water flowing in the cavity in a circulating manner can be utilized to absorb excessive heat in the mold and the product, so that the cooling of the product can be accelerated, the forming speed of the product can be improved, after the product is formed, the product is slowly jacked up by utilizing the electric telescopic rod, gas is filled into the bottom of the product to jack up, the rubber sucker is utilized to adsorb the product at the top, and the product can be rapidly taken out in a triple mode, so that the product is prevented from being scratched.

Description

Scratch-resistant highlight injection molding mold for automobile exterior trimming parts

Technical Field

The invention relates to the technical field of injection molds, in particular to a scratch-resistant highlight injection molding mold for automobile exterior trimming parts.

Background

The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. The element has the name of "industrial mother". The blank is formed into a tool with a specific shape and size under the action of external force. The method is widely applied to blanking, die forging, cold heading, extrusion, powder metallurgy part pressing, pressure casting and the forming processing of compression molding or injection molding of products such as engineering plastics, rubber, ceramics and the like.

And the mould is at the in-process of using, because the inside at the mould is closely filled to the raw materials, consequently after the product cooling shaping, often need carry out the drawing of patterns to the product and handle, because the product is obeyed comparatively closely to can lead to its surface of product in the in-process of taking out to remain more mar, thereby can reduce the qualification rate of product.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a scratch-resistant highlight injection molding mold for automobile exterior trimming parts.

In order to achieve the purpose, the invention adopts the following technical scheme:

a scratch-resistant highlight injection molding mold for automobile exterior trimming parts comprises a bottom plate, wherein a telescopic cylinder is fixed at one end of the top of the bottom plate, a support plate is fixed at a piston rod of the telescopic cylinder, symmetrically distributed clamping blocks are fixed on the outer wall of the top of the bottom plate, a clamping groove is formed in the outer wall of the top of each clamping block, a lower mold is clamped in the clamping groove, and an upper mold is arranged above the lower mold;

the outer wall of the top of the lower die is provided with a die groove, a cylindrical jacking block is arranged in the die groove, a cavity is arranged in the lower die, the inner wall of the top of the cavity is positioned below the cylindrical jacking block and is provided with a circular through hole, a sealing connecting pipe is welded on the inner wall of the circular through hole, a sealing seat is fixed at the bottom of the lower die, the outer wall of one side of the bottom of the sealing connecting pipe is communicated with an air inlet pipe, and the air inlet pipe is connected with an inflator pump;

the utility model discloses a mould, including bed die, mould top, mould bottom, mould, injection mould, rectangular slot, material distributing plate bottom, material distributing plate, material distributing and material distributing plate, material distributing and material distributing plate, material distributing and material distributing plate, material distributing, and distributing, material distributing, and distributing, and distributing, distributing and distributing.

Furthermore, one end of the supporting plate, which is far away from the telescopic cylinder, is communicated with an exhaust pipe, and the bottom of the exhaust pipe is communicated with a rubber sucker.

Furthermore, the inner wall of one side of the lower die, which is located in the cavity, is provided with a water inlet, the inner wall of the water inlet is welded with a water inlet pipe, the inner wall of the other side of the lower die, which is located in the cavity, is provided with a drain hole, and the inner wall of the drain hole is welded with a drain pipe.

Further, sealing connection pipe is inside to be equipped with electric telescopic handle, and electric telescopic handle top piston rod is in cylindricality kicking block bottom outer wall and is connected, electric telescopic handle bottom is fixed with the fixed block.

Furthermore, a positioning protection sleeve is bonded on the inner wall of the positioning hole, the size of the inner wall of the positioning protection sleeve is matched with that of the positioning rod, and the positioning rod is in plug-in fit with the positioning protection sleeve.

Further, the inserting grooves which are symmetrically distributed are welded on the outer walls of the two sides of the lower die, sliding grooves are formed in the tops of the outer walls of the two sides of the inserting grooves, sliding blocks are inserted into the inner walls of the sliding grooves, inserting covers are welded on the sliding blocks, and connecting plates are welded on the tops of the inserting covers.

Furthermore, the bottom of the outer walls of the two sides of the upper die is welded with symmetrically distributed plug blocks, the sizes of the plug blocks are matched with those of the plug grooves, the outer wall of the bottom of the plug cover is bonded with a rectangular rubber pad, and the outer wall of the bottom of the rectangular rubber pad is in contact with the outer wall of the top of the plug block.

Furthermore, telescopic cylinder, electric telescopic handle, pump and miniature telescopic link all are connected with the PLC controller through the wire, and the PLC controller is connected with external power source through the wire.

Furthermore, the outer wall of one side of the material control groove is hinged with a sealing plate, a first magnet block is embedded in the inner wall of one side, close to the upper die, of the sealing plate, a second magnet block is embedded in the outer wall of one side, close to the sealing plate, of the upper die, and the first magnet block and the second magnet block form fastening fit.

The invention has the beneficial effects that:

1. according to the scratch-resistant highlight injection molding die for the automobile exterior trimming parts, when the upper die and the lower die are clamped and fixed together, raw materials are filled into the interior by using the injection molding pipe, and after the raw materials are filled, the micro telescopic rod is used for pushing the material distributing plate to extrude, so that redundant raw materials are cut off and extruded, the situation that the exterior trimming parts are remained and flaws caused by excessive raw materials can be avoided, and the product percent of pass is improved;

2. according to the scratch-resistant highlight injection molding die for the automobile exterior trimming parts, when hot raw materials are filled into the die, cold water is introduced into the water inlet pipe, the cold water flowing in a circulating mode flows in the cavity, excessive heat in the die and the product can be absorbed, cooling of the product can be accelerated, forming speed of the product is improved, after the product is formed, the product is slowly jacked up by the aid of the electric telescopic rod, gas is filled into the bottom of the product to be jacked, the top of the product is adsorbed by the aid of the rubber sucker, and the product can be quickly taken out in a triple mode, so that the product can be prevented from being scratched;

3. this design's anti fish tail car exterior trim highlight injection moulding mould, when last mould and bed die were close to each other, utilize mutually supporting of locating lever and locating hole, can let the quick location of mould, after the location finishes for the first time moreover, through mutually supporting of the grafting piece of both sides and inserting groove, recycle grafting lid and extrude fixedly, and the mould dislocation of placing that can be fine is rocked.

Drawings

FIG. 1 is a front view of an integral three-dimensional structure of a scratch-resistant highlight injection molding mold for automobile exterior trimming parts, provided by the invention;

FIG. 2 is a side view of an integral three-dimensional structure of a scratch-resistant highlight injection molding mold for automobile exterior trim parts, provided by the invention;

FIG. 3 is a schematic view of an overall three-dimensional structure of a scratch-resistant highlight injection molding mold for automotive exterior parts, according to the present invention;

FIG. 4 is a side view of an integral split structure of a scratch-resistant highlight injection molding mold for automobile exterior parts, which is provided by the invention;

FIG. 5 is a three-dimensional bottom view of the high-gloss injection molding mold for scratch-resistant exterior automotive trim parts according to the present invention;

FIG. 6 is a schematic bottom structure view of a scratch-resistant highlight injection molding mold for automotive exterior parts according to the present invention;

FIG. 7 is a schematic view of a three-dimensional structure of a mold of a scratch-resistant highlight injection molding mold for automotive exterior parts, according to the present invention;

FIG. 8 is a side view of a three-dimensional structure of a mold of a scratch-resistant highlight injection molding mold for automotive exterior parts, according to the present invention;

fig. 9 is a schematic diagram of a three-dimensional internal structure of an upper mold of the scratch-resistant highlight injection molding mold for automobile exterior trim parts.

In the figure: the device comprises a base plate 1, a telescopic cylinder 2, a support plate 3, an exhaust tube 4, a rubber sucker 5, a clamping block 6, a clamping groove 7, a lower die 8, an upper die 9, a die groove 10, a cylindrical ejector block 11, a cavity 12, a circular through hole 13, a sealing connecting tube 14, a sealing seat 15, a water inlet tube 16, a water outlet tube 17, an electric telescopic rod 18, a fixing block 19, an air inlet tube 20, an air pump 21, a positioning rod 22, a positioning hole 23, a positioning protective sleeve 24, an insertion groove 25, a sliding groove 26, a sliding block 27, an insertion cover 28, a connecting plate 29, a material control groove 30, an injection molding tube 31, a rectangular insertion groove 32, a material distributing plate 33, a miniature telescopic rod 34, an extrusion block 35 and a sealing plate 36.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example (b):

referring to fig. 1-9, a scratch-resistant highlight injection molding mold for automobile exterior trimming parts comprises a bottom plate 1, wherein a telescopic cylinder 2 is fixed at one end of the top of the bottom plate 1, a supporting plate 3 is fixed at a piston rod of the telescopic cylinder 2, one end of the supporting plate 3, which is far away from the telescopic cylinder 2, is communicated with an exhaust tube 4, the bottom of the exhaust tube 4 is communicated with a rubber sucker 5, symmetrically distributed clamping blocks 6 are fixed on the outer wall of the top of the bottom plate 1, clamping grooves 7 are formed in the outer wall of the top of the clamping blocks 6, a lower mold 8 is clamped in the clamping grooves 7, an upper mold 9 is arranged above the lower mold 8, a water inlet is formed in the inner wall of one side of the lower mold 8, which is positioned in a cavity 12, a water inlet pipe 16 is welded on the inner wall of the water inlet, a water outlet is formed in the inner wall of the other side of the lower mold 8, which is positioned in the cavity 12, a water outlet 17 is welded on the inner wall of the water outlet, and when the upper mold 8 and the lower mold 9 are clamped and fixed together, the injection pipe 31 is used for filling raw materials inside, and after the raw materials are filled, the micro telescopic rod 34 is used for pushing the material distributing plate 33 to extrude, so that redundant raw materials are cut off and extruded, the situation that residual flaws of exterior trimming parts are caused by excessive raw materials can be avoided, and the product percent of pass is improved;

the outer wall of the top of the lower die 8 is provided with a die groove 10, a cylindrical jacking block 11 is arranged inside the die groove 10, a cavity 12 is arranged inside the lower die 8, and a circular through hole 13 is arranged on the inner wall of the top of the cavity 12 below the cylindrical jacking block 11, a sealing connecting pipe 14 is welded on the inner wall of the circular through hole 13, and a sealing seat 15 is fixed at the bottom of the lower die 8, an electric telescopic rod 18 is arranged inside the sealing connecting pipe 14, and the piston rod at the top of the electric telescopic rod 18 is positioned at the outer wall of the bottom of the cylindrical top block 11 and connected, the bottom of the electric telescopic rod 18 is fixed with a fixed block 19, the outer wall of one side of the bottom of the sealing connecting pipe 14 is communicated with an air inlet pipe 20, the air inlet pipe 20 is connected with an inflator 21, the inner walls of the positioning holes 23 are all bonded with positioning protection sleeves 24, the size of the inner wall of the positioning protection sleeve 24 is matched with that of the positioning rod 22, and the positioning rod 22 and the positioning protection sleeve 24 are in insertion fit;

positioning rods 22 are welded at four corners of the top of the lower die 8, positioning holes 23 are formed at four corners of the top of the upper die 9, a material control groove 30 is arranged in the upper die 9, an injection pipe 31 is communicated with the top of the material control groove 30, symmetrically distributed insertion grooves 25 are welded on the outer walls of two sides of the lower die 8, sliding grooves 26 are formed in the outer walls of two sides of the insertion grooves 25, sliding blocks 27 are inserted into the inner walls of the sliding grooves 26, insertion covers 28 are welded on the sliding blocks 27, connecting plates 29 are welded on the tops of the insertion covers 28, when hot raw materials are filled in the die, cold water is introduced into the water inlet pipe, and the circularly flowing cold water flows in the cavity 12, so that excessive heat in the die and the product can be absorbed, the cooling of the product can be accelerated, the forming speed of the product can be improved, and when the product is formed, the product is slowly jacked up by using an electric telescopic rod 18, the bottom of the product is filled with gas to be supported, the top of the product is adsorbed by the rubber sucker 5, and the product can be quickly taken out in a triple mode, so that the product can be prevented from being scratched;

the bottom of the outer wall of the two sides of the upper die 9 is welded with symmetrically distributed splicing blocks, the size of each splicing block is matched with that of the corresponding splicing groove 25, the outer wall of the bottom of the splicing cover 28 is bonded with a rectangular rubber pad, the outer wall of the bottom of the rectangular rubber pad is contacted with the outer wall of the top of the splicing block, the inner wall of one side of the material control groove 30 is provided with a rectangular slot 32, a material distribution plate 33 is spliced in the rectangular slot 32, the telescopic cylinder 2, the electric telescopic rod 18, the inflator pump 21 and the micro telescopic rod 34 are all connected with a PLC (programmable logic controller) through wires, the PLC is connected with an external power supply through wires, one end of the material distribution plate 33 is connected with the micro telescopic rod 34, the outer wall of the bottom of the material distribution plate 33 is bonded with an extrusion block 35, when the upper die and the lower die are close to each other, the dies can be rapidly positioned by utilizing the mutual matching of a positioning rod and a positioning hole, and after the initial positioning is finished, through the mutual matching of the insertion blocks at the two sides and the insertion grooves 25, the insertion cover 28 is used for extrusion and fixation, so that the mold can be well placed and staggered and shaken;

the material distributing plate 33 and the extrusion block 35 are both opened and closed to penetrate through the feeding hole, a sealing plate 36 is hinged to the outer wall of one side of the material control groove 30, a first magnet block is embedded in the inner wall, close to the upper die 9, of the sealing plate 36, a second magnet block is embedded in the outer wall, close to the sealing plate 36, of one side of the upper die 9, and the first magnet block and the second magnet block are in fastening fit.

When the scratch-resistant highlight injection molding die for automobile exterior trimming parts is used, firstly, a lower die 8 is clamped and fixed inside a clamping groove 7, then, the outside of a water inlet pipe 16 is connected with a cold water pipe, an electric telescopic rod 18 is fixed inside a sealing connecting pipe 14, after the connection is finished, a positioning hole 23 in an upper die 9 is butted on a positioning rod 22 of the lower die 8, after the upper die 9 is plugged into the lower die 8, a plugging cover 28 is plugged into plugging grooves 25 at two sides, the outside of an injection molding pipe 31 is connected with raw materials, the inside of a die groove 10 in the lower die 8 is filled with the raw materials, after the filling is finished, a material distributing plate 33 is extruded by using a micro telescopic rod 34, an extruding block 35 is used for plugging a feed inlet at the bottom of the upper die 9, then, circulating cold water is introduced into a cavity 12 to accelerate the cooling of a product, after the cooling of the product is finished, the upper die 9 is removed, start electric telescopic handle 18 and carry out jack-up with the product to start pump 21 and aerify the product bottom, utilize high-pressure gas to lift, utilize rubber suction cup 5 to adsorb the product top at the top moreover, slowly upwards pull out, carry out the drawing of patterns processing to the product through triple effect mode, can effectively avoid the product fish tail.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The scratch-resistant highlight injection molding mold for the automobile exterior trimming parts comprises a bottom plate (1), and is characterized in that a telescopic cylinder (2) is fixed at one end of the top of the bottom plate (1), a supporting plate (3) is fixed at a piston rod of the telescopic cylinder (2), symmetrically distributed clamping blocks (6) are fixed on the outer wall of the top of the bottom plate (1), clamping grooves (7) are formed in the outer wall of the top of each clamping block (6), a lower mold (8) is clamped in the clamping grooves (7), and an upper mold (9) is arranged above the lower mold (8);

the outer wall of the top of the lower die (8) is provided with a die groove (10), a cylindrical ejector block (11) is arranged inside the die groove (10), a cavity (12) is arranged inside the lower die (8), the inner wall of the top of the cavity (12) is positioned below the cylindrical ejector block (11) and is provided with a circular through hole (13), the inner wall of the circular through hole (13) is welded with a sealing connecting pipe (14), a sealing seat (15) is fixed at the bottom of the lower die (8), the outer wall of one side of the bottom of the sealing connecting pipe (14) is communicated with an air inlet pipe (20), and the air inlet pipe (20) is connected with an air pump (21);

locating rods (22) are welded to four corners of the top of the lower die (8), locating holes (23) are formed in four corners of the top of the upper die (9), a control trough (30) is arranged inside the upper die (9), an injection molding pipe (31) is communicated with the top of the control trough (30), a rectangular slot (32) is formed in the inner wall of one side of the control trough (30), a distributing plate (33) is inserted inside the rectangular slot (32), one end of the distributing plate (33) is connected with a micro telescopic rod (34), an extrusion block (35) is bonded to the outer wall of the bottom of the distributing plate (33), and the distributing plate (33) and the extrusion block (35) are all opened and closed to penetrate through a feeding hole.

2. The scratch-resistant high-gloss injection molding mold for the automobile exterior trimming parts according to claim 1, wherein one end of the support plate (3) far away from the telescopic cylinder (2) is communicated with an exhaust tube (4), and the bottom of the exhaust tube (4) is communicated with a rubber sucker (5).

3. The scratch-resistant highlight injection molding mold for automobile exterior trimming parts according to claim 1, wherein a water inlet is formed in the inner wall of the lower mold (8) on one side of the cavity (12), a water inlet pipe (16) is welded on the inner wall of the water inlet, a water drain is formed in the inner wall of the lower mold (8) on the other side of the cavity (12), and a water drain pipe (17) is welded on the inner wall of the water drain.

4. The scratch-resistant high-gloss injection molding mold for the automobile exterior trimming parts according to claim 1, wherein an electric telescopic rod (18) is arranged inside the sealing connecting pipe (14), a piston rod at the top of the electric telescopic rod (18) is connected with the outer wall of the bottom of the cylindrical top block (11), and a fixed block (19) is fixed at the bottom of the electric telescopic rod (18).

5. The scratch-resistant highlight injection molding mold for automobile exterior trimming parts according to claim 1, wherein positioning protective sleeves (24) are bonded on the inner walls of the positioning holes (23), the inner walls of the positioning protective sleeves (24) are matched with the positioning rods (22) in size, and the positioning rods (22) are matched with the positioning protective sleeves (24) in an inserted manner.

6. The scratch-resistant high-gloss injection molding mold for the automobile exterior trimming parts according to claim 1, wherein symmetrically distributed insertion grooves (25) are welded on the outer walls of the two sides of the lower mold (8), sliding grooves (26) are formed in the tops of the outer walls of the two sides of the insertion grooves (25), sliding blocks (27) are inserted into the inner walls of the sliding grooves (26), insertion covers (28) are welded on the sliding blocks (27), and connecting plates (29) are welded on the tops of the insertion covers (28).

7. The scratch-resistant high-gloss injection molding mold for the automobile exterior trimming parts according to claim 6, wherein symmetrically distributed plug blocks are welded at the bottoms of the outer walls of the two sides of the upper mold (9), the sizes of the plug blocks are matched with those of the plug grooves (25), rectangular rubber pads are bonded on the outer walls of the bottoms of the plug covers (28), and the outer walls of the bottoms of the rectangular rubber pads are in contact with the outer walls of the tops of the plug blocks.

8. The scratch-resistant highlight injection molding mold for automobile exterior trimming parts according to claim 1, wherein the telescopic cylinder (2), the electric telescopic rod (18), the inflator pump (21) and the micro telescopic rod (34) are all connected with a PLC controller through wires, and the PLC controller is connected with an external power supply through wires.

9. The scratch-resistant highlight injection molding mold for the automobile exterior trimming parts is characterized in that a sealing plate (36) is hinged to the outer wall of one side of the material control groove (30), a first magnet block is embedded in the inner wall of one side, close to the upper mold (9), of the sealing plate (36), a second magnet block is embedded in the outer wall of one side, close to the sealing plate (36), of the upper mold (9), and the first magnet block and the second magnet block are in tight fit.