CN210999778U - Injection mold for automobile bumper parts - Google Patents
Injection mold for automobile bumper parts Download PDFInfo
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- CN210999778U CN210999778U CN201921708480.1U CN201921708480U CN210999778U CN 210999778 U CN210999778 U CN 210999778U CN 201921708480 U CN201921708480 U CN 201921708480U CN 210999778 U CN210999778 U CN 210999778U
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Abstract
The utility model discloses an automobile bumper part injection mold, including last die carrier, go up die carrier down, go up mold core and lower mold core, the top of die carrier is provided with a plurality of guide pillars down, the bottom of going up the die carrier is provided with a plurality of and guide pillar matched with shaft hole, the top of going up the die carrier is provided with the runner, the bottom of runner is provided with the sprue, it is provided with the die cavity to go up between mold core and the lower mold core, it waters in being provided with between sprue and the die cavity, lower die carrier one side is provided with the hydro-cylinder support, be provided with the hydro-cylinder in the hydro-cylinder support, the output shaft of hydro-cylinder is provided with the push rod, the one end that the hydro-cylinder was kept away from to the push rod is provided with the core, the bottom of die carrier is provided with the bottom plate down, the top of bottom plate is provided with the motor, the output shaft of motor is provided with L type connecting rod, be.
Description
Technical Field
The utility model relates to an injection mold field particularly, relates to an automobile bumper part injection mold.
Background
The automobile bumpers are arranged at the front end and the rear end of an automobile, and not only have a decoration function, but also have the safety function of absorbing and buffering external impact force, protecting an automobile body and protecting the safety of passengers. The injection mold is one of the most widely used molds in current industrial production, and is a processing method used in mass production of automobile parts. In order to ensure the quality of plastic products, air contained in the casting material is removed, the casting material needs to be vibrated, the conventional injection molding process adopts manual mold shaking, and the thickness of the raw material in a mold cavity is often uneven, so that the defects of sand holes, non-uniform hardness and the like of the product are caused, and a large amount of resources are wasted.
SUMMERY OF THE UTILITY MODEL
To the problem among the correlation technique, the utility model provides an automobile bumper part injection mold to overcome the above-mentioned technical problem that current correlation technique exists.
Therefore, the utility model discloses a specific technical scheme as follows:
the utility model provides an automobile bumper part injection mold, includes the die carrier, the bottom of going up the die carrier is provided with down the die carrier, the inside of going up the die carrier is provided with the mold core, the inside of die carrier is provided with down the mold core down, the top of die carrier is provided with a plurality of guide pillars down, the bottom of going up the die carrier be provided with a plurality of with guide pillar matched with shaft hole, the top of going up the die carrier is provided with the runner, the bottom of runner is provided with the sprue, it is provided with the die cavity to go up between mold core and the lower die core, the sprue with be provided with the ingate between the die cavity, die carrier one side is provided with the hydro-cylinder support down, be provided with the hydro-cylinder in the hydro-cylinder support, the output shaft of hydro-cylinder is provided with the push rod, the one end that the hydro-cylinder was kept away from to the push rod is provided with the mold core, the bottom of die carrier down is provided with the bottom plate, the top of bottom plate.
Further, in order to restrain and absorb the repeated movement of the first spring and further increase the stability of the equipment, the damping device comprises a dustproof shell, the bottom end inside the dustproof shell is provided with a protective shell, the top end of the protective shell is provided with an oil seal, the top end of the dustproof shell is provided with a piston rod, the piston rod penetrates through the top end of the protective shell and extends into the protective shell, two sides of the piston rod are provided with resilience limiting blocks, the bottom end of the piston rod is provided with a piston block, the bottom end of the piston block is provided with a free piston, an O-shaped ring is arranged between the free piston and the protective shell, oil is arranged inside the protective shell and at the top end of the free piston, the piston is characterized in that nitrogen is arranged inside the protective shell and at the bottom end of the free piston, and a compression valve and a compensation valve are respectively arranged on the piston block and positioned on two sides of the piston rod.
Furthermore, in order to prevent multiple plastic liquids from impacting each other after entering the cavity, generating defects of vortex, gas wrapping, oxidation, slag inclusion and the like, the number of the ingates is single.
Furthermore, in order to discharge air during die assembly and avoid defects such as burrs, bubbles, silver wires and the like, exhaust holes are formed in the upper die frame and the upper die core.
Further, in order to take away excessive heat of the mold and improve heat storage and heat dissipation conditions of the mold, a cooling water channel is arranged inside the lower mold frame, a connector is arranged at one end of the cooling water channel, and a plug is arranged at the other end of the cooling water channel.
Furthermore, in order to smoothly unload and demould when the die casting machine opens the die, an ejector rod is arranged in the upper die frame, and the ejector rod is close to one end of the upper die frame and provided with a second spring.
The utility model has the advantages that:
(1) the utility model discloses a set up motor, L type connecting rod and backup pad swing to can shake the plastic material in the mould even, it is inhomogeneous to have solved mould intracavity raw materials thickness, thereby leads to the product to appear the defect of husky hole, hardness non-uniform etc..
(2) Through setting up spring one and damping device to keep the steady of equipment in the time of will even mould, and shake the vibrations that can effectively alleviate equipment after even raw materials, solved equipment and rocked for a long time after the swing, lead to equipment spare part loss, increased the life of equipment.
(3) The number of the inner pouring channels is set to be single, so that the defects that multiple plastic liquids enter a cavity and then impact each other to generate vortex, wrap gas, oxidize slag and the like are avoided.
(4) Through setting up the exhaust hole to discharge the air when the compound die, avoid appearing harmfully such as deckle edge, bubble, silver wire.
Drawings
FIG. 1 is one of the schematic structural views of an injection mold for an automobile bumper part according to an embodiment of the present invention;
FIG. 2 is a second schematic structural view of an injection mold for automobile bumper parts according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a damping device of an injection mold for automobile bumper parts according to an embodiment of the present invention.
In the figure:
1. the device comprises an upper die frame, a lower die core, a guide post, a guide rod, a shaft hole, a gate, a sprue, a cavity, a sprue, an inner runner, a cylinder bracket, a cylinder, a piston, a push rod, a core, a bottom plate, a motor, a connecting rod of 17 type and L type, a supporting plate, a spring I, a damping device, a dust-proof shell, a protecting shell, a sealing shell, an oil seal, a piston rod, a limiting block, a piston block, a free piston, an O-shaped ring, a piston rod, oil, a piston, a compression valve, a compensation valve, an exhaust hole, a cooling water channel, a connector, a plug 36, a plug 37, a push rod, a spring II.
Detailed Description
Now combine the attached drawing and the detailed description mode to the utility model discloses it further explains, as shown in fig. 1-3, according to the utility model discloses an automobile bumper part injection mold, including last die carrier 1, the bottom of going up die carrier 1 is provided with down die carrier 2, the inside of going up die carrier 1 is provided with mold core 3, the inside of die carrier 2 is provided with down mold core 4 down, the top of die carrier 2 is provided with a plurality of guide pillars 5 down, the bottom of going up die carrier 1 be provided with a plurality of with guide pillar 5 matched with shaft hole 6, the top of going up die carrier 1 is provided with runner 7, the bottom of runner 7 is provided with sprue 8, it is provided with die cavity 9 to go up between mold core 3 and the lower mold core 4, sprue 8 with be provided with interior runner 10 between the die cavity 9, die carrier 2 one side is provided with hydro-cylinder support 11 down, be provided with hydro-cylinder 12 in the hydro-cylinder support 11, the output shaft of hydro-cylinder 12 is provided with push rod 13, the one end of hydro-cylinder 12 is provided with core 14, the bottom of die carrier 2 is provided with bottom plate 15 down, the top of bottom plate 15 is provided with motor 16, the connecting rod 3583 type connecting rod 17, be provided with a plurality of shock attenuation connecting rod 18 between the bottom plate 18 and the bottom.
By means of the above scheme, the utility model discloses can shake the material of injection mold even, and stability is high, can improve equipment's life-span.
In one embodiment, for the shock absorber 20, as for the shock absorber 20, the shock absorber 20 includes a dust-proof shell 21, a protective shell 22 is disposed at the bottom end of the interior of the dust-proof shell 21, an oil seal 23 is disposed at the top end of the protective shell 22, a piston rod 24 is disposed at the top end of the dust-proof shell 21, the piston rod 24 penetrates through the top end of the protective shell 22 and extends into the protective shell 22, rebound stoppers 25 are disposed at two sides of the piston rod 24, a piston block 26 is disposed at the bottom end of the piston rod 24, a free piston 27 is disposed at the bottom end of the piston block 26, an O-ring 28 is disposed between the free piston 27 and the protective shell 22, an oil liquid 29 is disposed at the top end of the free piston 27 inside the protective shell 22, nitrogen 30 is disposed at the bottom end of the free piston 27 inside the protective shell 22, a compression valve 31 and a compensation valve 32, therefore, the repeated movement of the first spring can be restrained and absorbed, and the stability of the equipment is further improved.
In one embodiment, the number of the ingates 10 is set to be a single number, so that the defects of vortex, air entrainment, oxidation and slag inclusion caused by mutual impact of a plurality of plastic liquids entering the cavity are prevented.
In one embodiment, the upper mold frame 1 is provided with the vent holes 33 in the upper mold frame 1 and the upper mold core 3, so that air is exhausted during mold clamping, and defects such as burrs, bubbles, silver wires and the like are avoided.
In one embodiment, for the lower mold frame 2, a cooling water channel 34 is arranged inside the lower mold frame 2, an interface 35 is arranged at one end of the cooling water channel 34, and a plug 36 is arranged at the other end of the cooling water channel 34, so that excessive heat of the mold can be taken away, and the heat storage and heat dissipation conditions of the mold can be improved.
In one embodiment, for the upper die carrier 1, a top rod 37 is arranged in the upper die carrier 1, and a second spring 38 is arranged at one end of the top rod close to the upper die carrier 1, so that the die can be smoothly unloaded and demolded when the die casting machine opens the die.
The working principle of the utility model is that when the utility model is used, the upper die frame 1 and the upper die core 3 are matched with the lower die frame 2 and the lower die core 4 under the action of external force, the injection molding machine enables plastic materials to flow to the cavity 9 through the sprue 7, the sprue 8 and the ingate 10, the oil cylinder 12 pushes the push rod 13 and the die core 14 to move towards the cavity 9, the motor 16 enables the L-shaped connecting rod 17 and the supporting plate 18 to swing through the output shaft, so that the die above the supporting plate 18 swings, so that the plastic materials in the die can be uniformly swung, and the first spring 19 and the damping device 20 enable the die to be more stable when swinging.
To sum up, with the help of the above technical scheme of the utility model, the utility model discloses a set up motor 16, L type connecting rod 17 and the swing of backup pad 18, thereby can shake the plastic material in the mould even, it is inhomogeneous to have solved mould intracavity raw materials thickness, thereby lead to the product to appear the sand hole, the defect of hardness non-uniformity etc. through setting up spring 19 and damping device 20, thereby keep the steady of equipment when wanting even mould, and shake the vibrations that can effectively alleviate equipment after even raw materials, it rocks for a long time after the swing to have solved equipment, lead to equipment spare part loss, the life of equipment has been increased.
In addition, the number of the ingates 10 is set to be single, so that the defects of vortex, gas wrapping, oxidation, slag inclusion and the like caused by mutual impact of a plurality of plastic liquids after entering the cavity are avoided. The vent holes 33 are formed in the upper die frame 1 and the upper die core 3, so that air is discharged when the die is closed, and defects such as burrs, bubbles and silver wires are avoided. The cooling water channel 34 is arranged in the lower die frame 2, the connector 35 is arranged at one end of the cooling water channel 34, and the plug 36 is arranged at the other end of the cooling water channel 34, so that excessive heat of the die can be taken away, and the heat storage and heat dissipation conditions of the die are improved. Through be provided with ejector pin 37 in going up die carrier 1, just the ejector pin is close to the one end of going up die carrier 1 is provided with spring two 38 to can unload the drawing of patterns smoothly when the die casting machine die sinking.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides an automobile bumper part injection mold, includes last die carrier (1), its characterized in that, the bottom of going up die carrier (1) is provided with down die carrier (2), the inside of going up die carrier (1) is provided with mold core (3), the inside of die carrier (2) is provided with down mold core (4) down, the top of die carrier (2) is provided with a plurality of guide pillars (5) down, the bottom of going up die carrier (1) be provided with a plurality of with guide pillar (5) matched with shaft hole (6), the top of going up die carrier (1) is provided with runner (7), the bottom of runner (7) is provided with sprue (8), it is provided with die cavity (9) between mold core (3) and lower mold core (4) to go up, sprue (8) with be provided with interior runner (10) between die cavity (9), die carrier (2) one side is provided with hydro-cylinder support (11) down, be provided with hydro-cylinder (12) in-cylinder support (11), the output shaft of hydro-cylinder (12) is provided with push rod (13), the one end of push rod (13) is kept away from the one end of hydro-cylinder (12) is provided with core (14), the bottom plate (18) is provided with a plurality of output shaft connecting rod (16) and a plurality of motor connecting rod (18) between die carrier (18) and the backup pad (18), be provided with a shock attenuation connecting rod (16), be provided with a bottom plate (18) bottom plate (16) and the.
2. The injection mold for automobile bumper parts according to claim 1, wherein the shock absorption device (20) comprises a dustproof shell (21), a protective shell (22) is arranged at the bottom end of the interior of the dustproof shell (21), an oil seal (23) is arranged at the top end of the protective shell (22), a piston rod (24) is arranged at the top end of the dustproof shell (21), the piston rod (24) penetrates through the top end of the protective shell (22) and extends into the protective shell (22), rebound limit blocks (25) are arranged on two sides of the piston rod (24), a piston block (26) is arranged at the bottom end of the piston rod (24), a free piston (27) is arranged at the bottom end of the piston block (26), an O-shaped ring (28) is arranged between the free piston (27) and the protective shell (22), an oil liquid (29) is arranged inside the protective shell (22) and at the top end of the free piston (27), the piston is characterized in that nitrogen (30) is arranged inside the protective shell (22) and at the bottom end of the free piston (27), and a compression valve (31) and a compensation valve (32) are respectively arranged on the piston block (26) and positioned on two sides of the piston rod (24).
3. An injection mould for automobile bumper parts according to claim 1, characterized in that the number of ingates (10) is one.
4. The injection mold for the automobile bumper parts as claimed in claim 1, wherein the upper mold frame (1) and the upper mold core (3) are internally provided with vent holes (33).
5. The injection mold for automobile bumper parts according to claim 1, wherein a cooling water channel (34) is provided inside the lower mold frame (2), and one end of the cooling water channel (34) is provided with a port (35) and the other end of the cooling water channel (34) is provided with a plug (36).
6. The injection mold for the automobile bumper parts as claimed in claim 1, wherein a top rod (37) is arranged in the upper mold frame (1), and a second spring (38) is arranged at one end of the top rod close to the upper mold frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921708480.1U CN210999778U (en) | 2019-10-13 | 2019-10-13 | Injection mold for automobile bumper parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921708480.1U CN210999778U (en) | 2019-10-13 | 2019-10-13 | Injection mold for automobile bumper parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210999778U true CN210999778U (en) | 2020-07-14 |
Family
ID=71497576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921708480.1U Active CN210999778U (en) | 2019-10-13 | 2019-10-13 | Injection mold for automobile bumper parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210999778U (en) |
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2019
- 2019-10-13 CN CN201921708480.1U patent/CN210999778U/en active Active
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