CN216968575U - Large-scale cover half bullet piece subassembly demolding structure - Google Patents
Large-scale cover half bullet piece subassembly demolding structure Download PDFInfo
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- CN216968575U CN216968575U CN202220499105.6U CN202220499105U CN216968575U CN 216968575 U CN216968575 U CN 216968575U CN 202220499105 U CN202220499105 U CN 202220499105U CN 216968575 U CN216968575 U CN 216968575U
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Abstract
The utility model discloses a mold stripping structure of a large-scale fixed mold elastic block assembly, which comprises a slope main body, wherein first elastic block assemblies are symmetrically arranged on two sides of the slope main body and assembled on two sides of the slope main body, elastic block grooves are symmetrically arranged in the first elastic block assemblies, second elastic block assemblies are arranged in the elastic block grooves and fixedly connected with the first elastic block assemblies, the first elastic block assemblies are provided with first elastic blocks, guide rods and inclined guide plates, the guide rods and the inclined guide plates are fixedly connected with two sides of the first elastic blocks, and one sides of the inclined guide plates are provided with limit blocks which are fixedly connected with the inclined guide plates. The demolding structure of the large fixed mold elastic block assembly, provided by the utility model, has the advantages that the mold structure is simplified, the mold cost is reduced, the stability and the reliability of the structure are improved, the demolding time of the mold is shortened, and the product output efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of injection molding, in particular to a large fixed die elastic block assembly demolding structure.
Background
At present, when an injection molding product is produced, the back-off phenomenon of large area and large stroke is often caused on the fixed die side of the product, and the traditional mold stripping forming mode is to perform inclined top core pulling in the fixed die part at the back-off position so as to complete the back-off structure.
Patent CN201420519345.3 utilizes the oblique top structure of cover half to realize the problem of the product cover half back-off of loosing core for injection moulding small-range buckle, this structure need increase cover half faller and cover half bottom faller etc. and the part is many and complicated, can make the drawing of patterns time extension of mould, thereby bring with high costs, the mould motion is unstable.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model aims to provide the demolding structure of the large fixed die elastic block assembly, which has the advantages of simplifying the structure of the die, reducing the cost of the die, improving the stability and the reliability of the structure, reducing the demolding time of the die and improving the product output efficiency.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the utility model provides a large-scale cover half bullet piece subassembly demolding structure, includes the slope main part, the bilateral symmetry of slope main part is provided with first bullet piece subassembly, first bullet piece subassembly assembles the both sides in the slope main part, the symmetry is equipped with bullet groove in the first bullet piece subassembly, bullet piece inslot is equipped with second bullet piece subassembly, second bullet piece subassembly and first bullet piece subassembly fixed connection, first bullet piece subassembly is equipped with first bullet piece, guide bar and oblique baffle fixed connection are in one side of first bullet piece, one side of oblique baffle is equipped with the stopper, stopper and oblique baffle fixed connection.
As a further improvement of the utility model: oblique baffle joint is fixed in first bullet piece one side, spacing guide slot has been seted up to the back integral type that oblique baffle and first bullet piece are connected, be equipped with the guide rail in the spacing guide slot both sides, the both sides of stopper one end are packed into in the guide rail and are connected with oblique baffle, oblique baffle integral type is equipped with the guide way, the guide way is located to one side inboard, the guide bar is located in the guide way.
As a further improvement of the utility model: the guide rod is connected with the first elastic block through a screw in the guide groove, the guide rod is used for fixing the first elastic block and the inclined guide plate through screws, and a nitrogen spring hole is integrally formed in the top of the guide rod.
As a further improvement of the utility model: one side integral type of first bullet piece is equipped with the hook groove, the outside of first bullet piece is located to the hook groove symmetry, the hook groove is connected with the drag hook, the one end of drag hook is inserted the hook inslot and is connected with first bullet piece, first bullet piece is equipped with the water pipe, the upper end of first bullet piece of water piping connection.
As a further improvement of the utility model: the second bullet piece subassembly is equipped with second bullet piece and fixed block, the second bullet piece is located bullet piece inslot, slope main part integral type symmetry is equipped with bullet piece hole, the second bullet piece still passes bullet piece groove and arranges bullet piece downthehole and be connected with the slope main part in, the fixed block passes through the fix with screw on first bullet piece subassembly, the second bullet piece is fixed in bullet piece inslot through the fixed block, the second bullet piece still the integral type is equipped with the spring hole.
As a further improvement of the utility model: the second elastic block is further provided with a pressing block, the pressing block is attached to one side of the second elastic block, and the pressing block is fixed on the fixed die insert through a screw.
As a further improvement of the utility model: the other end of the limiting block is provided with a limiting hole, and the limiting block is further fixed on the fixed die insert through the cooperation of a screw and the limiting hole.
As a further improvement of the utility model: the other end of the draw hook is provided with a hook hole, and the draw hook is fixed on the movable mold insert through the matching of a screw and the hook hole.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the structure of the die is simplified, and after the structure is disassembled into two components, the processing becomes simple, the cost of the die is reduced, and the stability and the reliability of the structure are improved; convenient assembly, greatly reduces unstable factors in production, and realizes the mold stripping forming of a large-area back-off structure on the fixed mold side of a product
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of a first spring block assembly of the present invention.
Fig. 3 is a schematic structural view of a second spring block assembly of the present invention.
Fig. 4 is a partial schematic view of the structure of the present invention.
Fig. 5 is a partial schematic view of the structure of the present invention.
FIG. 6 is an assembly view of the bullet and drag hook of the present invention in a stationary mold insert.
FIG. 7 is an assembly view of the tumbler and the stop block of the present invention in a fixed mold insert.
Fig. 8 is a first bullet block assembly motion pattern of the present invention.
Fig. 9 is a second spring block assembly motion pattern of the present invention.
Reference numbers in the figures: 1. slope main part, 2, first bullet piece subassembly, 21, first bullet piece, 22, guide bar, 23, oblique baffle, 24, stopper, 25, nitrogen spring hole, 26, water pipe, 27, drag hook, 3, second bullet piece subassembly, 31, second bullet piece, 32, fixed block, 33, briquetting, 34, spring hole, 4, bullet piece groove.
Detailed Description
The utility model will now be further described with reference to the accompanying drawings and working principles:
detailed description of the utility model:
the utility model provides a large-scale cover half bullet piece subassembly demolding structure, includes slope main part 1, the bilateral symmetry of slope main part 1 is provided with first bullet piece subassembly 2, the assembly of first bullet piece subassembly 2 is in the both sides of slope main part 1, the symmetry is equipped with bullet groove 4 in the first bullet piece subassembly 2, be equipped with second bullet piece subassembly 3 in the bullet groove 4, second bullet piece subassembly 3 and first bullet piece subassembly 2 fixed connection, first bullet piece subassembly 2 is equipped with first bullet piece 21, guide bar 22 and oblique baffle 23 fixed connection are in one side of first bullet piece 21, one side of oblique baffle 23 is equipped with stopper 24, stopper 24 and oblique baffle 23 fixed connection.
The oblique baffle 23 joint is fixed in first bullet piece 21 one side, the back integral type that oblique baffle 23 and first bullet piece 21 are connected has seted up spacing guide slot, be equipped with the guide rail in the spacing guide slot both sides, the both sides of stopper 24 one end are packed into in the guide rail and are connected with oblique baffle 23, oblique baffle 23 integral type is equipped with the guide way, the guide way is located oblique baffle 23 inboardly, guide bar 22 is located and is connected with first bullet piece 21 through the screw in the guide way, guide bar 22 still is through first bullet piece 21 of fix with screw and oblique baffle 23, nitrogen spring hole 25 has been seted up to the top integral type of guide bar 22, the other end of stopper 24 is equipped with spacing hole, stopper 24 still fixes on the cover half mold insert through screw and spacing hole cooperation.
One side integral type of first elastic block 21 is equipped with the hook groove, the outside of first elastic block 21 is located to the hook groove symmetry, the hook groove is connected with drag hook 27, the one end of drag hook 27 is inserted the hook inslot and is connected with first elastic block 21, first elastic block 21 is equipped with water pipe 26, the upper end of first elastic block 21 is connected to water pipe 26, the other end of drag hook 27 is equipped with the hook hole, drag hook 27 still fixes on the movable mould mold insert through screw and hook hole cooperation.
Second bullet piece subassembly 3 is equipped with second bullet piece 31 and fixed block 32, second bullet piece 31 is located in bullet piece groove 4, 1 integral type symmetry in slope main part is equipped with bullet piece hole, second bullet piece 31 still passes bullet piece groove 4 and arranges bullet piece downthehole being connected with slope main part 1 in, fixed block 32 passes through the fix with screw on first bullet piece subassembly 2, second bullet piece 31 is fixed in bullet piece groove 4 through fixed block 32 in, second bullet piece still the integral type is equipped with spring hole 34, second bullet piece 31 still is equipped with briquetting 33, the laminating of briquetting 33 is in one side of second bullet piece 31, briquetting 33 passes through the fix with screw on the cover half mold insert.
In one embodiment, the first elastic block assembly 2 is determined according to the size of the product back-off position, i.e. the size of the first elastic block 21, in order to ensure that the first elastic block 21 can be ejected evenly, the components of the first elastic block assembly 2 are arranged symmetrically, if the first elastic block 21 has a small structure, only one first elastic block assembly 2 needs to be arranged, the first elastic block 21 is used for forming the product glue position, the product back-off is released, the draw hook 27 is used for being fixed on the movable mold insert, the first elastic block 21 is pulled at the moment of mold opening to start moving along the guiding direction, the limit block 24 is used for being fixed on the fixed mold insert and used for limiting the moving stroke of the first elastic block 21, when the first elastic block 21 is ejected, the limit guide groove on the inclined guide plate 23 is used for limiting the ejecting stroke of the elastic block, the guide rod 22 is fixed with the first elastic block 21 through a screw, the guide rod 22 is used for playing the moving guiding role when the first elastic block 21 is moved, the water pipe 26 is fixed on the first elastic block 21, the water pipe 26 is used for cooling the product glue position of the first elastic block 21, and the nitrogen spring hole 25 is filled with a nitrogen spring and is the initial movement force of the first elastic block assembly 2.
In one embodiment, the second elastic block 31 of the second elastic block assembly 3 is firstly installed in the elastic block groove 4 of the first elastic block assembly 2, meanwhile, the spring of the second elastic block assembly 3 is also installed in the spring hole 34, the second elastic block 31 is penetrated in the elastic block groove 4 hole of the first elastic block assembly 2 and can transversely move to act on the glue position of the formed product to release the product back-off, the spring hole 34 is fixed on the second elastic block 31 to push against the second elastic block 31 when the mold is opened and move along the transverse guiding direction, the fixed block 32 is fixed on the first elastic block assembly 2 and always presses against the second elastic block 31 to prevent the second elastic block 31 from retreating under the action of the injection pressure, the two keep relative static state, the pressing block 33 is fixed on the fixed mold insert and pushes against the second elastic block 31 to bear the injection pressure when the first elastic block 21 returns.
The working principle of the utility model is as follows:
2 die sinking motion principles of first bullet piece subassembly, the back is accomplished in the injection molding, move/cover half part and open, because drag hook 27 installs on the movable mould mold insert, consequently drag hook 27 can give drive power of first bullet piece 21 of cover half, first bullet piece 21 moves after the certain distance along guide bar 22 direction, can break away from drag hook 27, nitrogen spring in the guide bar 22 this moment, can continue to drive first bullet piece 21 and move, first bullet piece 21 continues the movement distance, reach stopper 24 positions, take out first bullet piece subassembly 2 and leave the product back-off, accomplish the die sinking action.
The principle of mold opening movement of the second elastic block assembly 3 is that a spring in the second elastic block assembly 3 is in a compressed state before injection molding, the fixed block 32 and the press block 33 support the second elastic block 31 to prevent the second elastic block 31 from retreating under injection molding pressure, when the mold is opened, the first elastic block 21 moves along the direction of the guide rod 22, the press block 33 is fixed on the fixed mold insert and can be gradually separated from the second elastic block 31, the fixed block 32 is fixed on the first elastic block assembly 2 and can move along with the first elastic block assembly 2, the spring prepressing compression force of the second elastic block 31 is released at the moment, the second elastic block 31 is always supported and is not moved in the original position, and after the mold opening action is completed, the second elastic block 31 moves transversely relative to the first elastic block assembly 2.
When the assembly is assembled, the movable mold insert props the fixed mold elastic block assembly and returns along the direction of the guide rod 22. In summary, after reading the present disclosure, those skilled in the art can make various other corresponding changes without creative mental work according to the technical solutions and concepts of the present disclosure, and all of them are within the protection scope of the present disclosure.
Claims (8)
1. The utility model provides a large-scale cover half bullet piece subassembly demolding structure, a serial communication port, including the slope main part, the bilateral symmetry of slope main part is provided with first bullet piece subassembly, first bullet piece subassembly assembles the both sides in the slope main part, the symmetry is equipped with bullet groove in the first bullet piece subassembly, bullet piece inslot is equipped with second bullet piece subassembly, second bullet piece subassembly and first bullet piece subassembly fixed connection, first bullet piece subassembly is equipped with first bullet piece, guide bar and oblique baffle fixed connection are in the both sides of first bullet piece, one side of oblique baffle is equipped with the stopper, stopper and oblique baffle fixed connection.
2. The demolding structure of the large-scale fixed die ejector block assembly according to claim 1, wherein the inclined guide plate is clamped and fixed to one side of the first ejector block, a limiting guide groove is formed in an integrated mode of the back face, connected with the first ejector block, of the inclined guide plate, guide rails are arranged in two sides of the limiting guide groove, two sides of one end of the limiting block are arranged in the guide rails and connected with the inclined guide plate, a guide groove is formed in the integrated inclined guide plate, the guide groove is formed in the inner side of the inclined guide plate, and the guide rod is arranged in the guide groove.
3. The demolding structure of the large fixed mold elastic block assembly according to claim 2, wherein the guide rod is arranged in the guide groove and connected with the first elastic block through a screw, the guide rod further fixes the first elastic block and the inclined guide plate through screws, and a nitrogen spring hole is integrally formed in the top of the guide rod.
4. The demolding structure of the large fixed die elastic block assembly according to claim 1, wherein a hook groove is formed in one side of the first elastic block in an integrated mode, the hook groove is symmetrically formed in the outer side of the first elastic block, a drag hook is connected to the hook groove, one end of the drag hook is connected into the hook groove and connected with the first elastic block, a water pipe is arranged on the first elastic block, and the water pipe is connected with the upper end of the first elastic block.
5. The demolding structure of the large-scale fixed die elastic block assembly according to claim 1, wherein the second elastic block assembly is provided with a second elastic block and a fixed block, the second elastic block is arranged in an elastic block groove, elastic block holes are symmetrically formed in the slope body in an integrated mode, the second elastic block further penetrates through the elastic block groove and is arranged in the elastic block hole to be connected with the slope body, the fixed block is fixed to the first elastic block assembly through screws, the second elastic block is fixed in the elastic block groove through the fixed block, and spring holes are formed in the second elastic block in an integrated mode.
6. The demolding structure of the large fixed die elastic block assembly according to claim 5, wherein the second elastic block is further provided with a pressing block, the pressing block is attached to one side of the second elastic block, and the pressing block is fixed on the fixed die insert through a screw.
7. The demolding structure of the large-sized fixed mold elastic block assembly according to claim 2, wherein a limiting hole is formed in the other end of the limiting block, and the limiting block is further fixed on the fixed mold insert through a screw and the limiting hole in a matched mode.
8. The demolding structure of the large fixed die elastic block assembly according to claim 4, wherein the other end of the draw hook is provided with a hook hole, and the draw hook is further fixed on the movable die insert through a screw and the hook hole in a matched mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220499105.6U CN216968575U (en) | 2022-03-07 | 2022-03-07 | Large-scale cover half bullet piece subassembly demolding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220499105.6U CN216968575U (en) | 2022-03-07 | 2022-03-07 | Large-scale cover half bullet piece subassembly demolding structure |
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| Publication Number | Publication Date |
|---|---|
| CN216968575U true CN216968575U (en) | 2022-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220499105.6U Active CN216968575U (en) | 2022-03-07 | 2022-03-07 | Large-scale cover half bullet piece subassembly demolding structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216968575U (en) |
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- 2022-03-07 CN CN202220499105.6U patent/CN216968575U/en active Active
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