CN217319100U - Nitrogen demoulding structure suitable for cast product - Google Patents
Nitrogen demoulding structure suitable for cast product Download PDFInfo
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- CN217319100U CN217319100U CN202123406533.4U CN202123406533U CN217319100U CN 217319100 U CN217319100 U CN 217319100U CN 202123406533 U CN202123406533 U CN 202123406533U CN 217319100 U CN217319100 U CN 217319100U
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Abstract
The utility model relates to the technical field of molds, in particular to a nitrogen demoulding structure suitable for tubular products, which comprises a telescopic drive, a connecting block, a mold core and a nitrogen inlet pipe, wherein the telescopic end of the telescopic drive is connected with the connecting block, the front end of the connecting block is connected with the rear part of the mold core, the front part of the mold core is positioned in the tubular product, and the mold core is internally provided with a nitrogen outlet pipe for nitrogen to be discharged; the nitrogen gas intake pipe is equipped with the intercommunication piece in extending to the connecting block by flexible direction of drive for intercommunication nitrogen gas intake pipe and nitrogen gas outlet duct, through flexible drive pulling connecting block, the nitrogen gas intake pipe gets into nitrogen gas, is given vent to anger by the mold core front end, is used for the drawing of patterns, makes the mold core front portion deviate from in the cast product, the utility model discloses a pneumatic drawing of patterns mode through pouring into nitrogen gas into, and the product is out of shape when preventing the drawing of patterns, and simple structure is compact, helps improving cast product yield.
Description
Technical Field
The utility model relates to the technical field of mold, specifically a nitrogen gas demoulding structure suitable for cast product.
Background
In the process of the mold opening process of the injection mold, the four stages of filling, pressure maintaining, cooling and demolding are mainly included, the quality of a plastic part is directly influenced by the four stages, the three stages can be controlled mainly through pressure control and cooling time in the filling process, but the demolding problem cannot be solved late.
Among the prior art, the mode that cast product adopted the direct product of extracting in the drawing of patterns link carries out the drawing of patterns, leads to the product to inhale the vacuum easily, and then seriously warp, and the unqualified rate of product quality is high under, needs to improve current drawing of patterns mold core structure urgently to improve drawing of patterns success rate.
Therefore, a nitrogen gas mold-releasing mechanism is designed with reference to the characteristics of nitrogen gas.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a nitrogen gas demoulding structure suitable for cast product carries out the drawing of patterns through pouring into nitrogen gas auxiliary machinery structure, can prevent that the product from warping, and whole machinery is simple and compact structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a nitrogen demoulding structure suitable for tubular products comprises a driving fixing seat, a telescopic drive, a connecting block, a mold core and a nitrogen inlet pipe, wherein a main body of the telescopic drive is installed on the driving fixing seat; the nitrogen gas intake pipe is equipped with the communicating piece in extending to the connecting block by flexible drive direction in the connecting block for intercommunication nitrogen gas intake pipe and nitrogen gas outlet duct, through flexible drive pulling connecting block, the nitrogen gas intake pipe gets into nitrogen gas, gives vent to anger by the mold core front end, is used for the drawing of patterns, makes the anterior cast product of following of mold core deviate from.
Optionally, in an embodiment of the present invention, the rear end of the nitrogen outlet pipe is larger than the rest of the nitrogen outlet pipe, so that the rear end of the nitrogen outlet pipe is clamped on the rear end surface of the mold core.
Optionally, the utility model discloses an embodiment, the connecting block includes first connecting block and second connecting block, first connecting block is located in the second connecting block, set up in the second connecting block and be used for the installation the mounting groove of first connecting block, the fixed orifices has been seted up to first connecting block, first connecting block passes through in the fixed orifices installation fixed screw with flexible driven flexible fixed connection, flexible driven flexible end has seted up the internal thread slotted hole for the connection of fixed screw.
Optionally, the utility model discloses an embodiment, the connecting piece is located second connecting block both sides, corresponds the mounting hole has been seted up to the position of second connecting block, the connecting piece is packed into from the mounting hole, inside intercommunication nitrogen gas intake pipe front end with the rear end of nitrogen gas outlet duct.
Optionally, the utility model relates to an embodiment, the assembly groove has been seted up to the second connecting block front end, the hole of placing that is used for installing the nitrogen gas outlet duct is seted up on both sides in the assembly groove, the locating piece is installed to the assembly groove, be equipped with the spacing groove that is used for installing the mold core in the locating piece, spacing groove rear portion size is great for install the spacing portion of mold core rear end.
Optionally, in an embodiment of the present invention, the rear end of the mold core is provided with a limiting portion, and the limiting portion is located in the mounting groove.
Optionally, the utility model relates to an embodiment, the through-hole that is used for wearing to establish the nitrogen gas intake pipe is offered to the drive fixing base, and the nitrogen gas intake pipe is worn to establish and is in non-fixed state in the through-hole, and the nitrogen gas intake pipe can remove and remove in the through-hole along with the second connecting block.
Optionally, the utility model discloses an embodiment, the jack that is used for inserting the nitrogen gas intake pipe is seted up on second connecting block both sides, the jack extends to the intercommunication piece position.
Optionally, in an embodiment of the present invention, a sliding groove for moving the connecting block is disposed between the second connecting block and the driving fixing seat, and a width distance of the sliding groove is a movable distance of the second connecting block.
Optionally, the utility model discloses an embodiment, second connecting block outside both sides are provided with the fixed strip, the fixed strip inboard with the laminating of second connecting block both sides, second connecting block both sides still are equipped with the edge of a wing of outside salient, and the inboard and the laminating of fixed strip surface in edge of a wing can play the effect of spacing connecting block.
The utility model has the advantages that
The utility model discloses a nitrogen gas demoulding structure suitable for cast product, moreover, the steam generator is simple in structure, through flexible drive pulling connecting block, the connecting block drives the mold core and deviates from in the cast product, inject nitrogen gas into in to the connecting block through the nitrogen gas intake pipe simultaneously, nitrogen gas is given vent to anger by the mold core front end, the separation of the pressure promotion polymer of nitrogen gas through gas and mould, because fluidic isocressure nature, mould and polymer receive even pressure when can ensure the drawing of patterns, the buckling deformation phenomenon that appears in the traditional demoulding mechanism does not take place, gaseous molecule can also rely on atmospheric pressure effect simultaneously, permeate mold core and product surface effect, thereby reduce the adhesive effect of mold core and product effectively.
Drawings
In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below.
FIG. 1 is a schematic sectional view of embodiment 1 of the present invention;
fig. 2 is a schematic perspective view of embodiment 1 of the present invention;
FIG. 3 is a schematic view of a mold core in embodiment 1 of the present invention;
description of reference numerals: flexible drive 1, drive fixing base 2, nitrogen gas intake pipe 3, communicating part 4, nitrogen gas outlet pipe 5, first connecting block 6, set screw 61, second connecting block 7, mold core 8, spacing portion 81, venthole 82, fixed strip 9, locating piece 10, cast product A.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the objects of the present invention, the following detailed description is given to the embodiments, structures, features and effects according to the present invention with reference to the accompanying drawings and preferred embodiments.
Example 1
The demoulding mode to current cast product A adopts mechanical direct drawing of patterns, causes the product to seriously warp easily, seriously influences the problem of product quality, has combined the characteristic of nitrogen gas, has redesigned a nitrogen gas demoulding mechanism for cast product A, and concrete structure is as follows:
as shown in fig. 1-3, a nitrogen demoulding mechanism suitable for a tubular product a comprises a driving fixing seat 2, a telescopic driving 1, a connecting block, a mold core 8 and a nitrogen inlet pipe 3.
The main part of flexible drive 1 is installed in drive fixing base 2, and in this embodiment, flexible drive 1 adopts the hydro-cylinder as the drive, is equipped with the screw that runs through in the main part of flexible drive 1 and is connected with drive fixing base 2, and flexible end and the connecting block of flexible drive 1 are connected, and the connecting block front end is connected with 8 rear portions of mold core, and 8 front portions of mold core are located cast product A.
A nitrogen gas outlet pipe 5 is arranged in the mold core 8 and used for discharging nitrogen gas, and the size of the rear end of the nitrogen gas outlet pipe 5 is larger than that of the rest part of the nitrogen gas outlet pipe 5, so that the rear end of the nitrogen gas outlet pipe 5 is clamped on the rear end surface of the mold core 8; nitrogen gas intake pipe 3 is by 1 direction of flexible drive extend to in the connecting block, drive fixing base 2 offers the through-hole that is used for wearing to establish nitrogen gas intake pipe 3, nitrogen gas intake pipe 3 wears to establish and is in the non-fixed state in the through-hole, nitrogen gas intake pipe 3 can remove and remove in the through-hole along with second connecting block 7, in this embodiment, the rear portion size of nitrogen gas intake pipe 3 is compared the front portion slightly, make 3 front portions of nitrogen gas intake pipe and the handing-over position restriction at second connecting block 7's rear end face at the rear portion, be equipped with intercommunication piece 4 in the connecting block, be used for intercommunication nitrogen gas intake pipe 3 and nitrogen gas outlet duct 5, through 1 pulling connecting block of flexible drive, nitrogen gas intake pipe 3 gets into nitrogen gas, give vent to anger by 8 front ends of mold core, be used for the drawing of patterns, make 8 front portions deviate from in the cast product A.
The connecting block includes first connecting block 6 and second connecting block 7, first connecting block 6 is located in second connecting block 7, set up the mounting groove that is used for installing first connecting block 6 in the second connecting block 7, in this embodiment, the mounting groove is the groove of T type structure, the width direction size of mounting groove slightly is greater than the width of first connecting block 6, it is corresponding, the shape of first connecting block 6 is T type structure, the fixed orifices has been seted up to first connecting block 6, first connecting block 6 passes through the flexible end fixed connection of downthehole installation fixed screw 61 of fixed orifices and flexible drive 1, the internal thread slotted hole has been seted up to flexible end of flexible drive 1, a connection for fixed screw 61, fixed screw 61 installs the back, the nut of fixed screw 61 flushes or is less than fixed orifices place plane with fixed orifices place plane.
The connecting piece 4 is located 7 both sides of second connecting block, and the mounting hole has been seted up to the position that corresponds second connecting block 7, and the connecting piece 4 is packed into from the mounting hole, and 3 front ends of inside intercommunication nitrogen gas intake pipe and the rear end of nitrogen gas outlet duct 5, connecting piece 4 also can prevent nitrogen gas from the mounting hole position seepage.
The front end of the second connecting block 7 is provided with an assembling groove, two sides in the assembling groove are provided with placing holes for installing the nitrogen gas outlet pipe 5, the assembling groove is provided with a positioning block 10, the front part of the positioning block 10 is exposed out of the assembling groove, the positioning block 10 is provided with a screw to be connected with the second connecting block 7, two limiting grooves for installing the mold core 8 are arranged in the positioning block 10, the size of the rear part of each limiting groove is larger, a limiting part 81 for installing the rear end of the mold core 8 is arranged at the rear end of the mold core 8, the limiting part 81 is assembled at the rear end of the limiting groove, the front end of the mold core 8 is provided with a groove for being assembled and positioned with the other part of the mold core 8, the groove is internally provided with a gas outlet hole 82 communicated with the nitrogen gas outlet pipe 5, two sides of the second connecting block 7 are provided with inserting holes for inserting the nitrogen gas inlet pipe 3, the inserting holes extend to the positions of the communicating pieces 4, and a sliding groove for moving the connecting blocks is arranged between the second connecting block 7 and the driving fixing seat 2, the width distance of spout is the portable distance of second connecting block 7 promptly, and 7 outside both sides of second connecting block are provided with fixed strip 9, install a plurality of screws on the fixed strip 9, are used for the utility model discloses when being fixed in whole mould, installation fixed strip 9, the inboard and 7 both sides laminating of second connecting block of fixed strip 9, 7 both sides of second connecting block still are equipped with the edge of a wing of outside salient, and the inboard and 9 surface laminating of fixed strip in the edge of a wing can play the effect of spacing connecting block.
The working principle is as follows:
during the drawing of patterns, flexible end of flexible drive 1 is retracted, and flexible drive 1 draws second connecting block 7 through first connecting block 6 and draws backward, and second connecting block 7 draws locating piece 10 and mold core 8 backward together, and simultaneously, nitrogen gas passes through nitrogen gas intake pipe 3 and pours into inside into, and nitrogen gas is given vent to anger from 8 front ends of mold core, through the supplementary mechanical action of nitrogen gas, breaks away from cast product A with 8 front portions of mold core.
Above, it is only the preferred embodiment of the present invention, and it is not limited to the present invention in any form, although the present invention has been disclosed as above with the preferred embodiment, but not limited to the present invention, and any person skilled in the art can make some changes or modifications to the equivalent embodiment of the equivalent change within the technical scope of the present invention without departing from the technical scope of the present invention, but any brief introduction modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention all still belong to the technical scope of the present invention.
Claims (9)
1. The utility model provides a nitrogen gas demoulding structure suitable for cast product which characterized in that: the device comprises a driving fixing seat, a telescopic drive, a connecting block, a mold core and a nitrogen inlet pipe, wherein a main body of the telescopic drive is arranged on the driving fixing seat, a telescopic end of the telescopic drive is connected with the connecting block, the front end of the connecting block is connected with the rear part of the mold core, the front part of the mold core is positioned in a tubular product, and a nitrogen outlet pipe is arranged in the mold core and used for discharging nitrogen; the nitrogen gas intake pipe is equipped with the communicating piece in extending to the connecting block by flexible direction of drive for intercommunication nitrogen gas intake pipe and nitrogen gas outlet duct, through flexible drive pulling connecting block, nitrogen gas intake pipe gets into nitrogen gas, is given vent to anger by the mold core front end, is used for the drawing of patterns, makes the mold core front portion deviate from in the cast product, the connecting block includes first connecting block and second connecting block, first connecting block is located in the second connecting block, offer in the second connecting block and be used for the installation the mounting groove of first connecting block, the fixed orifices has been seted up to first connecting block, first connecting block passes through fixed screw of downthehole installation with flexible driven flexible end fixed connection.
2. The nitrogen stripping structure for tubular products according to claim 1, wherein: the size of the rear end of the nitrogen outlet pipe is larger than the rest part of the nitrogen outlet pipe.
3. The nitrogen stripping structure for tubular products according to claim 1, wherein: the communicating pieces are positioned on two sides of the second connecting block, and mounting holes are formed in positions corresponding to the second connecting block.
4. The nitrogen stripping structure for tubular products according to claim 1, wherein: the assembly groove is formed in the front end of the second connecting block, the placing holes for installing the nitrogen outlet pipe are formed in two sides of the assembly groove, the assembly groove is provided with the positioning block, and the positioning block is internally provided with the limiting groove for installing the mold core.
5. The nitrogen stripping structure for tubular products according to claim 1, wherein: the die core rear end is equipped with spacing portion, spacing position in the mounting groove, the die core rear end assembles with stabilizing bearing.
6. The nitrogen stripping structure for tubular products according to claim 1, wherein: the drive fixing base is provided with a through hole for penetrating a nitrogen gas inlet pipe.
7. The nitrogen stripping structure for tubular products according to claim 1, wherein: and jacks for inserting the nitrogen inlet pipe are formed in two sides of the second connecting block, and the jacks extend to the position of the communicating piece.
8. The nitrogen stripping structure for tubular products according to claim 1, wherein: and a sliding groove used for moving the connecting block is arranged between the second connecting block and the driving fixing seat.
9. The nitrogen stripping structure for tubular products according to claim 1, wherein: and fixing strips are arranged on two sides of the outer side of the second connecting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123406533.4U CN217319100U (en) | 2021-12-30 | 2021-12-30 | Nitrogen demoulding structure suitable for cast product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123406533.4U CN217319100U (en) | 2021-12-30 | 2021-12-30 | Nitrogen demoulding structure suitable for cast product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217319100U true CN217319100U (en) | 2022-08-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123406533.4U Active CN217319100U (en) | 2021-12-30 | 2021-12-30 | Nitrogen demoulding structure suitable for cast product |
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| Country | Link |
|---|---|
| CN (1) | CN217319100U (en) |
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2021
- 2021-12-30 CN CN202123406533.4U patent/CN217319100U/en active Active
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