CN210940248U - Parking wedge injection mold - Google Patents

Parking wedge injection mold Download PDF

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Publication number
CN210940248U
CN210940248U CN201921600060.1U CN201921600060U CN210940248U CN 210940248 U CN210940248 U CN 210940248U CN 201921600060 U CN201921600060 U CN 201921600060U CN 210940248 U CN210940248 U CN 210940248U
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die
core
mold
holes
forming
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CN201921600060.1U
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Chinese (zh)
Inventor
吴义大
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Wuxi Weierde Plastic Industry Co ltd
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Wuxi Weierde Plastic Industry Co ltd
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Priority to CN201921600060.1U priority Critical patent/CN210940248U/en
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Abstract

The utility model relates to a parking wedge injection mold, which comprises an upper template, an upper mold base, a lower mold base and a lower template which are arranged from top to bottom in sequence, and also comprises a sprue shunting device; the upper die core is fixed on the upper die base, the bottom surface of the upper die core is provided with a plurality of forming holes which are arranged in an array at equal intervals, and the bottoms of the forming holes are matched with the arc surface of the parking wedge; the lower die core is fixed on the lower die base and is provided with an anti-skid grain die core and a plurality of die core fixing holes; the forming cores are provided with a plurality of forming surfaces, the forming cores and the forming holes form a cavity, and core cooling holes are formed in the forming cores; the lower die cooling hole is communicated with the core cooling hole; the stripping driving device is installed on the lower die base and is also connected with a stripping plate, and the stripping plate is positioned between the upper die core and the lower die core. The parking wedge injection mold is not easy to deform during injection molding, the injection molding is complete, the material shortage phenomenon is avoided, and the demolding is easy.

Description

Parking wedge injection mold
Technical Field
The utility model relates to an injection mold, especially parking wedge injection mold.
Background
The parking wedge is used for preventing the vehicle from sliding when the vehicle parks on the slope, and the parking wedge is placed between the slope and the tire during use, so that the vehicle can be prevented from sliding. In order to be convenient to carry and light in weight, the parking wedge is mostly made of plastics, as shown in fig. 1 to 3, the parking wedge is tapered, the bottom surface of the parking wedge is provided with anti-skid grains 94, the bottom surface 95 is a plane, the top surface 96 is an arc, the arc of the top surface 96 is matched with the diameter of an automobile tire, and the rear end surface is provided with a handle 91. In order to reduce weight and save cost, a honeycomb-shaped cylindrical tube 92 is arranged on the parking wedge, reinforcing ribs 93 are arranged inside the cylindrical tube 92, and the cylindrical tube 92 not only reduces weight, but also has better strength. Due to the special structure of the parking wedge, the parking wedge is easy to deform during injection molding processing, injection molding is incomplete, and the problem of inconvenient demolding exists.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model provides a non-deformable when parking wedge moulds plastics, and it is complete to mould plastics, does not have scarce material phenomenon, easy parking wedge injection mold of drawing of patterns, and concrete technical scheme is:
the parking wedge injection mold comprises an upper template, an upper mold base, a lower mold base and a lower template which are sequentially arranged from top to bottom, and further comprises a sprue shunting device, wherein the sprue shunting device is arranged on the upper template and the upper mold base; the parking wedge structure comprises an upper die core, a plurality of upper die cooling holes and a plurality of lower die cooling holes, wherein the upper die core is fixed on an upper die base, the bottom surface of the upper die core is an inclined surface and is matched with the bottom surface of the parking wedge, the bottom surface of the upper die core is provided with a plurality of forming holes, the forming holes are arranged in an equidistant array mode, the bottoms of the forming holes are arc-shaped and are matched with the arc surface of the parking wedge, and the upper die core is provided with a plurality of upper die cooling holes; the stripper plate is provided with a plurality of core holes, and the core holes correspond to the molding holes; the lower mold core is fixed on the lower mold base, and is provided with an anti-skid pattern mold core and a plurality of mold core fixing holes, and the mold core fixing holes correspond to the mold core holes; the forming mold cores are provided with a plurality of forming mold cores, the forming mold cores are matched with the cylindrical pipes on the parking wedges, the forming mold cores are fixed in the mold core fixing holes, forming surfaces are arranged on the forming mold cores, the forming mold cores and the forming holes form a mold cavity, and mold core cooling holes are formed in the forming mold cores; the lower die base is provided with a lower die cooling hole which is communicated with the core cooling hole; the stripper driving device is installed on the lower die base and is also connected with a stripper plate, the stripper plate is positioned between the upper die core and the lower die core, and the stripper driving device is used for driving the stripper plate to strip materials.
Through adopting above-mentioned technical scheme, all cool off to last mould core, lower mould core and shaping core, can effectively shorten cooling time to make the cooling even, the wedge that stops warp for a short time.
The injection molding is carried out through the plurality of gates, so that the materials are respectively injected from a plurality of positions, and the problem of incomplete injection molding is effectively solved.
The material removing plate is adopted for integral material removing, so that the material removing is convenient and quick.
Preferably, the sprue shunting device comprises a main sprue bush, and the main sprue bush is fixed on the upper die base; the shunting seat is fixed at the top of the upper die seat, a shunting channel is arranged in the shunting seat, the main sprue bush is connected with the shunting seat, and a discharge hole of the main sprue bush is communicated with the shunting channel; the number of the slave sprue sleeves is not less than two, the slave sprue sleeves are arranged along the length direction of the parking wedge, one of the slave sprue sleeves is located at one end, provided with a handle, of the parking wedge, the slave sprue sleeves are fixed on the upper die base, the top of the slave sprue sleeves is connected with the shunting seat and communicated with the shunting channel, and the sprue of the slave sprue sleeves is communicated with the die cavity.
Through adopting above-mentioned technical scheme, because the required raw materials of the handle end of parking wedge is more, consequently set up a runner cover at the handle end, set up a runner cover at the other end that is close to the parking wedge simultaneously and can effectively guarantee the completeness of moulding plastics.
Preferably, the number of the slave sprue bushings is four, and the slave sprue bushings are symmetrically arranged along the length direction of the parking wedge.
Through adopting above-mentioned technical scheme, four sprue bush have effectively guaranteed the integrality of moulding plastics.
Preferably, a plurality of exhaust holes are formed in the upper die core and communicated with the top of the forming hole.
Through adopting above-mentioned technical scheme, the exhaust hole is arranged in discharging the gas in the die cavity, avoids gas to plug up and causes the incomplete of moulding plastics in the die cavity.
Preferably, the stripping driving device comprises two hydraulic cylinders, and the two hydraulic cylinders are respectively located on two sides of the lower mold core.
Through adopting above-mentioned technical scheme, the pneumatic cylinder can be stable, slow will mould plastics the parking wedge that finishes and take off from the shaping core, makes the parking wedge drawing of patterns easy.
Preferably, the material removing device further comprises four guide rods, the four guide rods are respectively located at four corners of the lower mold core, and the material removing plates are movably inserted onto the guide rods.
Through adopting above-mentioned technical scheme, the lifter position of flitch is taken off in the guide bar restriction, avoids taking off the flitch and takes place the friction with the shaping face of shaping core, effectively guarantees the shaping core.
Compared with the prior art the utility model discloses following beneficial effect has:
the utility model provides a parking wedge injection mold non-deformable when moulding plastics, it is complete to mould plastics, does not have the scarce material phenomenon, and the drawing of patterns is easy.
Drawings
FIG. 1 is a perspective view of a parking wedge;
FIG. 2 is a rear view of the parking wedge;
FIG. 3 is a side view of the parking wedge;
FIG. 4 is a schematic view of the parking wedge mold after being separated;
FIG. 5 is an exploded view of the upper platen, the upper die holder, the gate runner, and the upper die core;
FIG. 6 is a schematic structural view of the gate diverging device;
FIG. 7 is a schematic view of the upper core at a first perspective;
FIG. 8 is a schematic structural view of the upper core at a second perspective;
FIG. 9 is a schematic cross-sectional view of the upper core;
FIG. 10 is a schematic view of the assembled structure of the lower die holder, the lower die plate, the lower die core, the stripper plate and the forming core;
FIG. 11 is a schematic cross-sectional view of FIG. 10;
FIG. 12 is a schematic view of the assembled structure of the lower core, stripper plate, forming core and hydraulic cylinder;
FIG. 13 is a front view of the lower die holder;
FIG. 14 is a schematic view of the construction of the lower die holder;
FIG. 15 is a schematic structural view of a stripper plate;
FIG. 16 is a schematic view of the structure of the lower core;
FIG. 17 is an elevation view of a plurality of forming cores;
FIG. 18 is a perspective view of a plurality of forming cores;
fig. 19 is a cross-sectional view of the forming core.
Detailed Description
The present invention will now be further described with reference to the accompanying drawings.
As shown in fig. 1 to 19, the parking wedge injection mold comprises an upper mold plate 1, an upper mold base 2, a lower mold base 3, a lower mold plate 4 and a sprue shunting device, wherein the upper mold plate 1, the upper mold base 2, the lower mold base 3 and the lower mold plate 4 are sequentially arranged from top to bottom; the parking wedge structure comprises an upper die core 6, wherein the upper die core 6 is fixed on an upper die holder 2, the bottom surface of the upper die core 6 is an inclined surface and is matched with the bottom surface of the parking wedge, a plurality of forming holes 62 are formed in the bottom surface of the upper die core 6, the forming holes 62 are arranged in an equidistant array, the bottoms of the forming holes 62 are arc-shaped and are matched with the arc surface of the parking wedge, and the upper die core 6 is provided with a plurality of upper die cooling holes 64; the stripper plate 7 is characterized in that the stripper plate 7 is provided with a plurality of core holes 71, and the core holes 71 correspond to the molding holes 62; the lower mold core 8 is characterized in that the lower mold core 8 is fixed on the lower mold base 3, the lower mold core 8 is provided with an anti-skid grain mold core 81 and a plurality of mold core fixing holes 82, and the mold core fixing holes 82 correspond to the mold core holes 71; a plurality of forming cores 10, wherein the forming cores 10 are matched with the cylindrical pipes on the parking wedges, the forming cores 10 are fixed in the core fixing holes 82, forming surfaces 101 are arranged on the forming cores 10, forming grooves 102 are arranged on the forming surfaces 101, the forming cores 10 and the forming holes 62 form a cavity, and core cooling holes 103 are arranged inside the forming cores 10; a lower die cooling hole 32 is formed in the lower die base 3, and the lower die cooling hole 32 is communicated with the core cooling hole 103; and the stripping driving device is arranged on the lower die base 3 and is also connected with the stripping plate 7, the stripping plate 7 is positioned between the upper die core 6 and the lower die core 8, and the stripping driving device is used for driving the stripping plate 7 to strip materials.
The upper die core 6, the lower die core 8 and the forming die core 10 are all cooled, so that the cooling time can be effectively shortened, the cooling is uniform, and the deformation of the parking wedge is small.
The injection molding is carried out through the plurality of gates, so that the materials are respectively injected from a plurality of positions, and the problem of incomplete injection molding is effectively solved.
The material removing plate 7 is adopted for integral material removing, so that the material removing is convenient and quick.
A sealing ring is arranged between the upper die holder 2 and the upper die core 6.
The side surface of the upper die holder 2 is provided with a die holder cooling hole which is communicated with the upper die cooling hole 64.
The side surface of the upper mold core 6 is provided with a process hole 63, and the process hole 63 is communicated with an upper mold cooling hole 64.
The stripper plate 7 is provided with a position-avoiding hole 73, and the position-avoiding hole 73 is used for inserting the anti-skid grain mold core 81.
The forming groove 102 is used for forming the reinforcing bar 93.
The sprue shunting device comprises a main sprue bush 51, and the main sprue bush 51 is fixed on the upper die base 2; the shunting seat 52 is fixed at the top of the upper die holder 2, a shunting channel is arranged in the shunting seat 52, the main sprue bush 51 is connected with the shunting seat 52, and a discharge hole of the main sprue bush 51 is communicated with the shunting channel; the number of the slave sprue bush 53 is four, the slave sprue bush 53 is arranged along the length direction of the parking wedge, and is symmetrically arranged along the length direction, one slave sprue bush 53 is positioned at one end of the parking wedge, which is provided with a handle, the other slave sprue bush 53 is positioned at the middle position, the slave sprue bush 53 is fixed on the upper die base 2, the top of the slave sprue bush 53 is connected with the shunting seat 52 and is communicated with the shunting passage, and the sprue of the slave sprue bush 53 is communicated with the die cavity.
The four sprue sleeves effectively ensure the integrity of injection molding. Because the required raw materials of the handle end of the parking wedge are more, a group of sprue bush is arranged at the handle end, and meanwhile, the other end close to the parking wedge is provided with a group of sprue bush, so that the completeness of injection molding can be effectively guaranteed.
The upper mold core 6 is provided with a plurality of vent holes 65, and the vent holes 65 are communicated with the top of the molding hole 62.
The vent hole 65 is used for exhausting gas in the cavity, and incomplete injection molding caused by blocking the cavity by the gas is avoided.
The stripping driving device comprises two hydraulic cylinders 79, the hydraulic cylinders 79 are respectively positioned at two sides of the lower mold core 8, piston rods of the hydraulic cylinders 79 penetrate through the lower mold core 8, the stripping plate 7 is provided with a positioning table 75, and piston rods of the hydraulic cylinders 79 are connected with the positioning table 75.
The hydraulic cylinder 79 can stably and slowly remove the parking wedge after injection molding from the forming core 10, so that the parking wedge can be easily released.
The die further comprises four guide rods 78, the four guide rods 78 are arranged, the guide rods 78 are respectively located at four corners of the lower die core 8, guide holes 72 are formed in the stripper plate 7, and the guide holes 72 are movably inserted into the guide rods 78.
The guide rod 78 limits the lifting position of the stripper plate 7, avoids the stripper plate 7 from rubbing against the forming surface 101 of the forming core 10, and effectively protects the forming surface 101 of the forming core 10.

Claims (6)

1. The parking wedge injection mold comprises an upper template, an upper mold base, a lower mold base and a lower template which are sequentially arranged from top to bottom, and is characterized by further comprising
The sprue shunting device is arranged on the upper template and the upper die base;
the parking wedge structure comprises an upper die core, a plurality of upper die cooling holes and a plurality of lower die cooling holes, wherein the upper die core is fixed on an upper die base, the bottom surface of the upper die core is an inclined surface and is matched with the bottom surface of the parking wedge, the bottom surface of the upper die core is provided with a plurality of forming holes, the forming holes are arranged in an equidistant array mode, the bottoms of the forming holes are arc-shaped and are matched with the arc surface of the parking wedge, and the upper die core is provided with a plurality of upper die cooling holes;
the stripper plate is provided with a plurality of core holes, and the core holes correspond to the molding holes;
the lower mold core is fixed on the lower mold base, and is provided with an anti-skid pattern mold core and a plurality of mold core fixing holes, and the mold core fixing holes correspond to the mold core holes;
the forming mold cores are provided with a plurality of forming mold cores, the forming mold cores are matched with the cylindrical pipes on the parking wedges, the forming mold cores are fixed in the mold core fixing holes, forming surfaces are arranged on the forming mold cores, the forming mold cores and the forming holes form a mold cavity, and mold core cooling holes are formed in the forming mold cores;
the lower die base is provided with a lower die cooling hole which is communicated with the core cooling hole;
the stripper driving device is installed on the lower die base and is also connected with a stripper plate, the stripper plate is positioned between the upper die core and the lower die core, and the stripper driving device is used for driving the stripper plate to strip materials.
2. The parking wedge injection mold of claim 1,
the sprue shunting device comprises
The main sprue bush is fixed on the upper die base;
the shunting seat is fixed at the top of the upper die seat, a shunting channel is arranged in the shunting seat, the main sprue bush is connected with the shunting seat, and a discharge hole of the main sprue bush is communicated with the shunting channel;
the number of the slave sprue sleeves is not less than two, the slave sprue sleeves are arranged along the length direction of the parking wedge, one of the slave sprue sleeves is located at one end, provided with a handle, of the parking wedge, the slave sprue sleeves are fixed on the upper die base, the top of the slave sprue sleeves is connected with the shunting seat and communicated with the shunting channel, and the sprue of the slave sprue sleeves is communicated with the die cavity.
3. The parking wedge injection mold of claim 2,
the number of the slave sprue bush is four, and the slave sprue bush is symmetrically arranged along the length direction of the parking wedge.
4. The parking wedge injection mold of claim 1,
and the upper die core is provided with a plurality of exhaust holes, and the exhaust holes are communicated with the top of the forming hole.
5. The parking wedge injection mold of claim 1,
the stripping driving device comprises two hydraulic cylinders, and the two hydraulic cylinders are respectively positioned on two sides of the lower mold core.
6. The parking wedge injection mold of claim 1,
the four guide rods are respectively positioned at four corners of the lower mold core, and the stripper plate is movably inserted on the guide rods.
CN201921600060.1U 2019-09-24 2019-09-24 Parking wedge injection mold Active CN210940248U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921600060.1U CN210940248U (en) 2019-09-24 2019-09-24 Parking wedge injection mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921600060.1U CN210940248U (en) 2019-09-24 2019-09-24 Parking wedge injection mold

Publications (1)

Publication Number Publication Date
CN210940248U true CN210940248U (en) 2020-07-07

Family

ID=71389414

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921600060.1U Active CN210940248U (en) 2019-09-24 2019-09-24 Parking wedge injection mold

Country Status (1)

Country Link
CN (1) CN210940248U (en)

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