CN218928458U - Injection mold capable of performing secondary demolding - Google Patents
Injection mold capable of performing secondary demolding Download PDFInfo
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- CN218928458U CN218928458U CN202222391363.5U CN202222391363U CN218928458U CN 218928458 U CN218928458 U CN 218928458U CN 202222391363 U CN202222391363 U CN 202222391363U CN 218928458 U CN218928458 U CN 218928458U
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Abstract
The utility model discloses an injection mold capable of performing secondary demolding, which comprises a lower mold assembly, an upper mold assembly corresponding to the lower mold assembly and a pouring gate body arranged on the upper mold assembly, wherein the pouring gate body is provided with a plurality of pouring gate grooves; wherein, the lower die assembly and the upper die assembly are provided with a secondary demoulding assembly; the secondary demolding assembly comprises a demolding plate which is movably connected to the lower mold assembly and can be disconnected with the upper mold assembly. According to the utility model, the secondary demolding assembly is arranged, and when the product is subjected to primary demolding, the product is separated from the pouring gate and disconnected, so that a worker does not need to take out the product from the mold, and then the pouring gate is removed from the product, thereby reducing the labor intensity of the worker, lowering the labor cost and improving the production efficiency.
Description
Technical Field
The utility model relates to the technical field of molds, in particular to an injection mold capable of performing secondary demolding.
Background
The mould is used for producing various moulds and tools of the needed products by injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods in industry. At present, injection mold that uses on the market is connected with the runner between the product at injection moulding's in-process, after taking out the product, the workman still need excision to the runner, just can obtain the product, not only increases workman intensity of labour like this, increases the cost of labor, and increases the machining procedure of excision runner, influences production efficiency. The utility model provides an injection mold capable of performing secondary demolding.
Disclosure of Invention
The utility model aims to provide an injection mold capable of demolding, which can perform secondary demolding, separate a gate from a product during the first demolding, and separate the product from the mold through the second demolding, so that the problems of high labor intensity, high labor cost and influence on production efficiency of workers in the background art are solved.
In order to achieve the above object, the present utility model provides an injection mold capable of performing secondary demolding, comprising a lower mold assembly, an upper mold assembly corresponding to the lower mold assembly, and a gate body mounted on the upper mold assembly; wherein, the lower die assembly and the upper die assembly are provided with a secondary demoulding assembly; the secondary demolding assembly comprises a demolding plate which is movably connected to the lower mold assembly and can be disconnected with the upper mold assembly.
Optionally, the lower die assembly comprises a bottom plate, a limiting plate arranged on the bottom plate, a lower die plate arranged on the top of the limiting plate and movably connected with the stripper plate in the secondary stripping assembly, and a lower die column arranged on the top of the lower die plate; the upper die assembly comprises a top plate; the pouring gate body is arranged at the top of the top plate; the lower die column and the stripper plate are provided with a lower die cavity; and the upper die plate and the lower die column are provided with flow passages for communicating the lower die cavity and the gate body.
Optionally, the upper module further comprises an upper template which is arranged at the bottom of the top plate and can be disconnected with the stripper plate; an upper die cavity corresponding to the lower die cavity is arranged at the bottom of the upper die plate; and guide structures are arranged on the lower template, the stripper plate and the upper template.
Optionally, the guide structure comprises a guide post arranged on the lower template and a guide sleeve arranged on the upper template and matched with the guide post; and the stripper plate is provided with a guide hole corresponding to the guide post.
Optionally, a guide inclined plane is arranged at the top of the guide post; the bottom of the guide sleeve is provided with a matching inclined plane corresponding to the guide inclined plane.
Optionally, an inner sleeve matched with the guide post is arranged in the guide hole; the upper template is provided with a countersunk hole matched with the guide sleeve.
Optionally, the secondary demolding assembly further comprises a limit screw, a shutter, a baffle and a mounting plate, wherein the limit screw is arranged on the lower template and used for movably mounting the demolding plate on the lower template, the shutter is arranged on the upper template and connected with the demolding plate, the baffle is arranged between the limit plate and the limit plate, and the mounting plate is arranged on the baffle; the lower die column and the stripper plate are respectively provided with a groove and a matching groove which are communicated with the lower die cavity; the lower template is provided with an avoidance hole; and the bottom plate is provided with a through hole.
Optionally, the groove and the matching groove are combined to form a top pinhole; a top pinhole is also arranged on the lower template; the mounting plate is provided with a thimble matched with the thimble hole; the stripper plate is provided with a limiting countersunk hole corresponding to the limiting screw; the mounting plate is provided with a connecting column penetrating through the avoidance hole; the stripper plate is provided with an avoidance through hole corresponding to the lower die column; the matching groove is arranged on the side wall of the avoidance through hole; and the lower die column is provided with a gate ejector pin hole.
Optionally, a connecting hole matched with the connecting column is formed in the stripper plate; a movable limiting groove is formed between the countersunk bottom end of the limiting countersunk hole and the limiting screw; and the mounting plate is provided with a gate thimble matched with the gate thimble hole.
Compared with the prior art, the utility model provides the injection mold capable of performing secondary demolding, which has the following beneficial effects:
this kind of can carry out injection mold of secondary drawing of patterns sets up through the secondary drawing of patterns subassembly, when carrying out the first drawing of patterns to the product, separates product and runner disconnection for the workman no longer need take out the back from the mould at the product, gets rid of the process of runner to the product again, thereby reduces workman intensity of labour, reduces the cost of labor, and improves production efficiency.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a top view of the overall structure of the present utility model;
FIG. 3 is a cross-sectional view of the A-A of FIG. 2 in accordance with the present utility model
FIG. 4 is an enlarged view of a portion of the utility model at A in FIG. 3;
FIG. 5 is a cross-sectional view of B-B of FIG. 2 in accordance with the present utility model;
FIG. 6 is a cross-sectional view of C-C of FIG. 2 in accordance with the present utility model;
FIG. 7 is a schematic view of the lower die assembly of the present utility model;
FIG. 8 is an enlarged view of a portion of the utility model at B in FIG. 7;
FIG. 9 is a schematic view of the lower die assembly and ejector pins of the present utility model with the lower die plate removed;
FIG. 10 is a schematic view of the structure of the stripper plate of the present utility model;
FIG. 11 is a schematic view of the structure of the upper die plate of the present utility model;
fig. 12 is a schematic view of another view of the lower die plate of the present utility model.
The marks in the figure are as follows: 1. a lower die assembly; 11. a bottom plate; 111. a through hole; 12. a limiting plate; 13. a lower template; 131. avoidance holes; 14. a lower die column; 141. a lower die cavity; 142. a groove; 143. a gate pin hole; 2. an upper die assembly; 21. a top plate; 22. an upper template; 221. an upper die cavity; 222. a countersunk hole; 3. a gate body; 4. a secondary demolding assembly; 41. removing the template; 411. a guide hole; 412. an inner sleeve; 413. a mating groove; 414. limiting the countersunk holes; 415 connection holes; 416. Avoiding the through hole; 42. a limit screw; 43. a shutter; 44. a baffle; 45. a mounting plate; 451. a connecting column; 452. a gate thimble; 46. a top pinhole; 47. a thimble; 48. a movable limit groove; 5. a guide structure; 51. a guide post; 511. a guide slope; 52. a guide sleeve; 521. Matching with the inclined plane; 6. a flow channel.
Detailed Description
The following detailed description is made with reference to the accompanying drawings and detailed description. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly generalized by those skilled in the art without departing from the spirit of the utility model and, therefore, the present utility model is not limited to the specific embodiments disclosed below.
The injection mold capable of performing secondary demolding can be suitable for the demolding occasion of the injection mold, and can be used for other similar application scenes, and the injection mold capable of performing secondary demolding is taken as an example for the following detailed description.
Referring also to fig. 1-12, a schematic diagram of a preferred embodiment of an injection mold capable of secondary demolding according to the present utility model is shown. The injection mold capable of performing secondary demolding comprises a lower mold assembly 1, an upper mold assembly 2 corresponding to the lower mold assembly 1 and a gate body 3 arranged on the upper mold assembly 2; wherein, the lower die assembly 1 and the upper die assembly 2 are provided with a secondary demoulding assembly 4, and the secondary demoulding assembly 4 comprises a demoulding plate 41 which is movably connected on the lower die assembly 1 and can be disconnected with the upper die assembly 2; according to the utility model, through the arrangement of the secondary demolding assembly 4, the product is separated from the pouring gate during the first demolding of the product, so that a worker does not need to cut off the pouring gate after taking down the product, the labor intensity of the worker is reduced, the labor cost is reduced, the production efficiency is improved, the product is separated from the mold during the second demolding of the product, and the worker only needs to collect the product, so that the operation is simple and convenient.
Referring to fig. 1 to 7, in the present utility model, a lower die assembly 1 includes a bottom plate 11, a limiting plate 12 mounted on the bottom plate 11, a lower die plate 13 mounted on the top of the limiting plate 12 and movably connected with a stripper plate 41 in a secondary stripper assembly 4, and a lower die column 14 mounted on the top of the lower die plate 13; the upper die assembly 2 includes a top plate 21; the gate body 3 is arranged at the top of the top plate 21, and a lower die cavity 141 is arranged on the lower die column 14 and the stripper plate 41; the upper die plate 22 and the lower die column 14 are provided with a runner 6 for communicating the lower die cavity 141 with the gate body 3; the runner 6 is arranged to communicate the gate body 3 with the lower die cavity 141, so that injection molding raw materials can enter the lower die cavity 141, and then the product is molded by matching with the upper die cavity 221.
Referring to fig. 1-3, in the present utility model, the upper die assembly 2 further includes an upper die plate 22 detachably mounted on the bottom of the top plate 21 and the stripper plate 41, wherein the bottom of the upper die plate 22 is provided with an upper die cavity corresponding to the lower die cavity 141, and the lower die plate 13, the stripper plate 41 and the upper die plate 22 are provided with guide structures 5; according to the utility model, the stripper plate 41 is detachably arranged on the upper die plate 22, so that the stripper plate 41 can move for a certain distance along with the upper die plate 22 and then is separated from the upper die plate 22, so that a product is subjected to first demolding, and the product is separated from a pouring gate, thereby reducing the labor intensity of workers and reducing the labor cost; through the setting of guide structure 5, when carrying out the compound die to the mould, carry out the direction between lower bolster 13, stripper plate 41 and the cope match-plate pattern 22, prevent when the compound die, produce the removal each other, cause the emergence of striking the mould condition to protect the mould, extension mould's life.
Referring to fig. 1-12, in the present utility model, the guide structure 5 includes a guide post 51 mounted on the lower die plate 13, and a guide sleeve 52 mounted on the upper die plate 22 and adapted to the guide post 51; wherein the top of the guide post 51 is provided with a guide inclined plane 511, and the bottom of the guide sleeve 52 is provided with a matching inclined plane 521 corresponding to the guide inclined plane 511; the stripper plate 41 is provided with a guide hole 411 which is matched with the guide sleeve 52; an inner sleeve 412 matched with the guide post 51 is arranged in the guide hole 411, and a counter-sunk hole 222 matched with the guide sleeve 52 is arranged on the upper template 22; according to the utility model, the upper die plate 22 is guided by the arrangement of the guide post 51 and the guide sleeve 52, so that the upper die plate 22 and the lower die plate 13 are prevented from being in die collision during die assembly, and the die is protected; through the arrangement of the guide inclined plane 511 and the matching inclined plane 521, when the upper die plate 22 and the lower die plate 13 are relatively deviated, the guide inclined plane 511 and the matching inclined plane 521 are contacted to guide the upper die plate 22 and the lower die plate 13, so that the guide post 51 can be smoothly inserted into the guide sleeve 52, the occurrence of die collision is avoided, the die is protected, and the service life of the die is prolonged; the arrangement of the inner sleeve 412 is matched with the guide post 51 to guide the movement of the stripper plate 41, so that the collision between the stripper plate 41 and the upper die plate 22 caused by the fact that the moving direction of the stripper plate 41 is not right during die assembly is prevented, and the stripper plate 41 and the upper die plate 22 are damaged, so that the die is protected; by installing the guide sleeve 52 on the upper die plate 22 and detachably connecting the stripper plate 41, the guide stripper plate 41 and the guide sleeve 52 can be separated and connected, so that the secondary stripping can be normally performed; the counter bore 222 is provided so that installation of the guide sleeve 52 does not interfere with the upper die plate 22 and the top plate 21.
Referring to fig. 1-6, in the present utility model, the secondary demolding assembly 4 further includes a limit screw 42 mounted on the lower mold plate 13 for movably mounting the demolding plate 41 on the lower mold plate 13, a shutter 43 mounted on the upper mold plate 22 and connected to the demolding plate 41, a baffle 44 mounted between the limit plate 12 and the limit plate 12, and a mounting plate 45 mounted on the baffle 44; the lower die column 14 and the stripper plate 41 are respectively provided with a groove 142 and a matching groove 413 which are communicated with the lower die cavity 141; the lower template 13 is provided with a avoidance hole 131, and the bottom plate 11 is provided with a through hole 111; according to the utility model, the release plate 41 is movably connected to the lower die plate 13 through the arrangement of the limit screw 42, so that the release plate 41 cannot completely separate from the lower die plate 13, and the shutter 43 can be normally opened and closed; through the arrangement of the shutter 43, the upper die plate 22 and the stripper plate 41 are connected, when the die is separated, the upper die plate 22 can drive the stripper plate 41 to move first, and when the stripper plate 41 is limited by the limiting screw 42, the stripper plate 41 cannot move continuously, and at the moment, along with the movement of the upper die plate 22, the upper die plate 22 and the stripper plate 41 are separated at the shutter 43; through the arrangement of the through holes 111, the baffle 44 can be pushed by the injection molding machine through the through holes 111 to move, so that the injection molding machine can smoothly push the ejector pins 47 to move, and the product is demoulded for the second time.
Referring to fig. 7-12, in the present utility model, the recess 142 and the mating groove 413 are combined to form the top pinhole 46; top pinholes 46 are also provided on the lower template 13; the mounting plate 45 is provided with a thimble 47 which is matched with the thimble hole 46; the stripper plate 41 is provided with a limiting countersunk hole 414 corresponding to the limiting screw 42; wherein, the mounting plate 45 is provided with a connecting column 451 passing through the avoidance hole 131; the stripper plate 41 is provided with an avoidance through hole 416 corresponding to the lower die column 14, and a matching groove 413 is arranged on the side wall of the avoidance through hole 416; the lower die column 14 is provided with a gate ejector pin hole 143; wherein, the stripper plate 41 is provided with a connecting hole 415 which is matched with the connecting column 451; a movable limit groove 48 is formed between the countersunk bottom end of the limit countersunk hole 414 and the limit screw 42; according to the utility model, through the arrangement of the groove 142 and the matching groove 413, two holes are combined to form the thimble hole 46, so that the thimble is positioned below a product; the ejector pins 47 are used for carrying out secondary demolding on the product, namely ejecting the product; the limiting countersunk holes 414 are arranged, so that the limiting screws 42 cannot protrude out of the upper plane of the stripper plate 41 and cannot influence the connection between the stripper plate 41 and the upper template 22; by arranging the avoiding holes 131, the connecting column 451 is avoided, so that the connecting column 451 can be smoothly matched with the connecting holes 415 on the stripper plate 41; the lower die column 14 is avoided through the arrangement of the avoiding through holes 416, so that injection molding raw materials can smoothly contact with the lower die column 14, and injection molding is smoothly carried out; through the arrangement of the movable limiting groove 48, the stripper plate 41 can move on the movable limiting groove 48, so that the upper die plate 22 can drive the stripper plate 41 to move through the shutter 43; through the setting of runner thimble 452, cooperation runner thimble hole 143, when ejecting the product, with remaining runner ejecting, the workman need not take out remaining runner from lower mould post 14 again to reduce workman's intensity of labour, improve machining efficiency.
As described with reference to fig. 1 to 12, the working principle of the present utility model is: firstly, the lower die assembly 1 and the upper die assembly 2 are respectively arranged on an injection molding machine through a bottom plate 11 and a top plate 21, when the injection molding machine pushes the top plate 21 to move towards the lower die assembly 1, the top plate 21 drives the upper die plate 22 to move, the upper die plate 22 drives the guide sleeve 52 to be matched with the guide post 51, when the central line of the guide sleeve 52 deviates from the central line of the guide post 51, the guide inclined surface 511 contacts with the matching inclined surface 521, along with the movement of the upper die plate 22, the deviation between the central line of the guide sleeve 52 and the central line of the guide post 51 gradually decreases, the position of the guide sleeve 52 is adjusted to enable the guide sleeve 52 to be smoothly matched with the guide post 51, the upper die plate 22 continuously moves to contact with the stripper plate 41, the stripper plate 41 is pushed to move towards the lower die plate 13 until the stripper plate 41 contacts with the lower die plate 13, the shutter 43 is closed, the top of the stripper plate 41 is connected with the upper die plate 22, and the matching groove 413 on the stripper plate 41 is combined with the groove 142 on the lower die plate 13 to form a top pinhole 46, the top of the stripper plate 41 is flush with the top plane of the lower die post 14, namely, along with the movement of the upper die gate body 3, the injection molding machine gradually flows into the die cavity 141 through the upper runner 3, and fills the die cavity 141 along with the injection molding cavity through the upper runner 221, and fills the die cavity 141 up along with the injection molding cavity up through the upper runner 3;
after injection molding is completed, after the injection molding raw materials are cooled, secondary demolding of the split mold and the product is performed, firstly, the injection molding machine drives the top plate 21 to move in a direction away from the lower mold assembly 1, the top plate 21 drives the upper mold plate 22 to move, the upper mold plate 22 drives the stripper plate 41 to move through the shutter 43, the stripper plate 41 performs primary demolding on the product, at the moment, the product is separated from the residual gate, when the stripper plate 41 moves to the top of the movable limit groove 48, namely, the bottom of the limit screw 42 is contacted with the bottom of the limit countersink 414, at the moment, the stripper plate 41 cannot continuously move with the upper mold plate 22, but the upper mold plate 22 is continuously pulled by the top plate 21, so that the shutter 43 is separated, when the injection molding machine drives the ejector pin equipment on the injection molding machine to move through the through holes 111 after the upper mold assembly 2 and the lower mold assembly 1, the baffle plate 44 pushes the mounting plate 45 to move, the baffle plate 44 drives the ejector pin 47 and the gate ejector pin 452 to move towards the product direction, and the product and the residual gate ejector pin 452 are ejected; the worker no longer needs to separate the product from the residual pouring gate, so that the labor intensity of the worker is reduced, the labor cost is reduced, the step of separating the product from the pouring gate is reduced, and the working efficiency is improved.
The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.
Claims (8)
1. An injection mold capable of performing secondary demolding comprises a lower mold assembly (1), an upper mold assembly (2) corresponding to the lower mold assembly (1) and a pouring gate body (3) arranged on the upper mold assembly (2); the mold is characterized in that the lower mold assembly (1) and the upper mold assembly (2) are provided with a secondary demolding assembly (4); the secondary demolding assembly (4) comprises a demolding plate (41) which is movably connected to the lower mold assembly (1) and can be disconnected with the upper mold assembly (2).
2. The injection mold capable of performing secondary demolding according to claim 1, wherein the lower mold assembly (1) comprises a bottom plate (11), a limiting plate (12) arranged on the bottom plate (11), a lower mold plate (13) arranged on the top of the limiting plate (12) and movably connected with a demolding plate (41) in the secondary demolding assembly (4), and a lower mold column (14) arranged on the top of the lower mold plate (13); the upper die assembly (2) comprises a top plate (21), and an upper die plate (22) which is arranged at the bottom of the top plate (21) and can be disconnected with the stripper plate (41); the pouring gate body (3) is arranged at the top of the top plate (21); a lower die cavity (141) is arranged on the lower die column (14) and the stripper plate (41); the upper die plate (22) and the lower die column (14) are provided with a runner (6) for communicating the lower die cavity (141) and the gate body (3); an upper die cavity (221) corresponding to the lower die cavity (141) is arranged at the bottom of the upper die plate (22); the lower template (13), the stripper plate (41) and the upper template (22) are provided with guide structures (5).
3. An injection mould capable of being subjected to secondary demoulding according to claim 2, wherein the guide structure (5) comprises a guide post (51) arranged on the lower mould plate (13) and a guide sleeve (52) arranged on the upper mould plate (22) and matched with the guide post (51); the stripper plate (41) is provided with a guide hole (411) corresponding to the guide column (51).
4. An injection mould capable of being subjected to secondary demoulding according to claim 3, wherein the top of the guide post (51) is provided with a guide inclined surface (511); the bottom of the guide sleeve (52) is provided with a matching inclined plane (521) corresponding to the guide inclined plane (511).
5. An injection mould capable of performing secondary demoulding according to claim 3, characterized in that an inner sleeve (412) matched with the guide post (51) is arranged in the guide hole (411); the upper template (22) is provided with a counter bore (222) which is matched with the guide sleeve (52).
6. An injection mold capable of performing secondary demolding according to claim 2, wherein the secondary demolding assembly (4) further comprises a limit screw (42) mounted on the lower mold plate (13) for movably mounting the demolding plate (41) on the lower mold plate (13), a shutter (43) mounted on the upper mold plate (22) and connected with the demolding plate (41), a baffle plate (44) mounted between the limit plate (12) and the limit plate (12), and a mounting plate (45) mounted on the baffle plate (44); a groove (142) and a matching groove (413) which are communicated with the lower die cavity (141) are respectively arranged on the lower die column (14) and the stripper plate (41); the lower template (13) is provided with an avoidance hole (131); the bottom plate (11) is provided with a through hole (111).
7. The injection mold capable of being subjected to secondary demolding according to claim 6, wherein the groove (142) and the matching groove (413) are combined to form a top pinhole (46); a top pinhole (46) is also arranged on the lower template (13); the mounting plate (45) is provided with a thimble (47) which is matched with the thimble hole (46); a limiting countersunk hole (414) corresponding to the limiting screw (42) is formed in the stripper plate (41); a connecting column (451) penetrating through the avoidance hole (131) is arranged on the mounting plate (45); the stripper plate (41) is provided with an avoidance through hole (416) corresponding to the lower die column (14); the matching groove (413) is arranged on the side wall of the avoidance through hole (416); and a gate top pinhole (143) is arranged on the lower die column (14).
8. An injection mould capable of secondary demoulding according to claim 7, characterized in that the demoulding plate (41) is provided with a connecting hole (415) which is matched with the connecting column (451); a movable limit groove (48) is formed between the countersunk bottom end of the limit countersunk hole (414) and the limit screw (42); and a gate thimble (452) matched with the gate thimble hole (143) is arranged on the mounting plate (45).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202222391363.5U CN218928458U (en) | 2022-09-06 | 2022-09-06 | Injection mold capable of performing secondary demolding |
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Application Number | Priority Date | Filing Date | Title |
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CN202222391363.5U CN218928458U (en) | 2022-09-06 | 2022-09-06 | Injection mold capable of performing secondary demolding |
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CN218928458U true CN218928458U (en) | 2023-04-28 |
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CN202222391363.5U Active CN218928458U (en) | 2022-09-06 | 2022-09-06 | Injection mold capable of performing secondary demolding |
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2022
- 2022-09-06 CN CN202222391363.5U patent/CN218928458U/en active Active
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