CN218777014U - Rubber lock catch mold - Google Patents
Rubber lock catch mold Download PDFInfo
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- CN218777014U CN218777014U CN202222909862.9U CN202222909862U CN218777014U CN 218777014 U CN218777014 U CN 218777014U CN 202222909862 U CN202222909862 U CN 202222909862U CN 218777014 U CN218777014 U CN 218777014U
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Abstract
The utility model provides a rubber lock catch die, which comprises a plug injection plate, an upper template, a middle die lifting frame and a lower template which are sequentially arranged from top to bottom; wherein: the top end of the middle template sinks to form a plurality of middle mold grooves, middle mold sheets are arranged in the middle mold grooves, and a plurality of middle mold cavities are formed in the middle mold sheets in a sinking manner; the bottom of the upper template is provided with an upper die cavity corresponding to each middle die cavity, and the upper template is provided with a glue injection hole communicated with the upper die cavity; in a mold closing state, the plurality of upper mold cavities are respectively matched with the plurality of middle mold cavities to form a plurality of mold cavities. The utility model provides a die cavity yielding, the mould that present rubber lock mould exists press the skeleton and the difficult problem of product drawing of patterns.
Description
Technical Field
The utility model relates to the technical field of mold, especially, relate to a rubber lock mould.
Background
The rubber lock catch product is provided with a framework, the thickness of the framework is about 2.8mm, the rubber lock catch product is provided with a special-shaped structure, and the existing rubber lock catch mold is designed into a pressure injection structure with 3 rows of cavities. Because the middle mold cavity of the mold is thin and long in length, the middle mold cavity is deformed in the mold processing and product production processes, the skeleton pressing phenomenon is common, only a few cavities are produced in the prior 1-24 cavities in the prior art, the product qualification rate is low, the mold cost is high, the demolding of the prior mold product is difficult, the ejection structure is unreasonable, the cavity is deformed, and the rubber lock mold with higher productivity is urgently needed.
SUMMERY OF THE UTILITY MODEL
Based on the technical problem who exists among the background art, the utility model provides a rubber lock mould.
The utility model provides a rubber lock catch mold, which comprises a plug injection plate, an upper template, a middle mold lifting frame and a lower template which are sequentially arranged from top to bottom; wherein: the top end of the middle template sinks to form a plurality of middle die cavities, middle die sheets are arranged in the middle die cavities, and a plurality of middle die cavities are formed in the middle die sheets in a sinking manner; the bottom of the upper template is provided with an upper die cavity corresponding to each middle die cavity, and the upper template is provided with a glue injection hole communicated with the upper die cavity; in a mold closing state, the plurality of upper mold cavities are respectively matched with the plurality of middle mold cavities to form a plurality of mold cavities.
Preferably, the ejection device further comprises an ejection plate, the ejection plate is arranged between the middle die lifting frame and the lower die plate and is connected with the middle die lifting frame through a plurality of shaft shoulder bolts, a through groove is formed in the bottom of the middle die groove, the ejection plate is provided with ejection blocks extending into the through groove, ejection holes are formed in the bottom of each middle die cavity in a penetrating mode, sliding holes coaxial with the ejection holes are formed in the positions, corresponding to the ejection blocks, of the ejection blocks, a plurality of mounting holes are formed in one side, away from the middle die piece, of each ejection block, the mounting holes are communicated with the sliding holes respectively, ejection rods are arranged in the mounting holes and penetrate through the sliding holes to extend into the ejection holes, the top end faces of the ejection rods and the bottom face of the middle die cavity are in the same plane, springs sleeved on the ejection rods are arranged in the mounting holes, and one ends, away from the middle die piece, of the ejection rods are connected with gaskets and nuts.
Preferably, the bottom of the middle die is recessed to form a groove.
Preferably, in a die assembly state, the top surface of the lower template is attached to the bottom surface of the middle die lifting frame, and the top surface of the ejection plate is in clearance fit with the bottom surface of the middle die lifting frame.
Preferably, the top end of the lower template is provided with a lug extending into each through groove at a position corresponding to each through groove, the top end of the lug extends into the groove, the top surface of the lug is attached to the bottom surface of the groove, and the ejection block is in clearance fit with the lug.
Preferably, a cover plate which is pressed against the ejection rod is fixed on one side of the ejection block, which is far away from the middle die.
Preferably, the ejector rod includes the cylinder pole, and cylinder pole bottom is connected with and is connected with gasket and nut on the screw rod, and the cylinder pole top is connected with the diameter of toper pole and is followed and be close to cylinder pole one end and grow gradually to keeping away from cylinder pole one end.
Preferably, the ejection hole includes the first taper hole section, the cylinder hole section, second taper hole section that from the top down set gradually, the diameter of first taper hole section reduces gradually to being close to cylinder hole section one end from keeping away from cylinder hole section one end, the diameter of second taper hole section reduces gradually to being close to cylinder hole section one end from keeping away from cylinder hole section one end, the taper bar setting of ejector pin is in first taper hole section, cylinder pole and cylinder hole section, second taper hole section clearance fit.
Preferably, the number of the middle mold pieces is four, each middle mold piece is provided with 6 middle mold cavities, three ejection holes are formed in the bottom of each middle mold cavity, and the three ejection holes are uniformly distributed in the bottom of each middle mold cavity.
Preferably, in a die assembly state, the bottom surface of the upper die plate is attached to the top surface of the middle die lifting frame and the top surface of the middle die piece.
The utility model provides a rubber lock catch mold, through setting up the die piece on well mould lifting frame and evenly setting up well die cavity on well mould, improved the template that well die cavity is thin and long and cause warp like this, well die cavity's even distribution also considers when the pressure is annotated, the pressure with annotate the equilibrium of material; the middle die plate and the middle die lifting frame are connected through the bolts, so that the die cavity can be replaced in time when damaged, the material of the middle die is saved, the die cost is reduced, the production efficiency is improved, and the production cannot be influenced;
furthermore, the middle mold piece is connected with the middle mold lifting frame through a bolt, and the ejecting plate is connected with the middle mold lifting frame through a shaft shoulder bolt, so that the middle mold piece, the middle mold lifting frame and the ejecting plate are combined into a whole; when the die is closed, the upper plane of the lower template coincides with the lower plane of the middle die piece, the top surface of the ejector rod is flush with the bottom surface of the middle die cavity, and the peripheral upper plane of the lower template coincides with the lower plane of the middle die lifting frame, so that a gap of 5mm is formed between the ejector plate and the middle die lifting frame; when the mold is removed, the middle mold lifting frame is lifted to be separated from the lower template, the middle mold lifting frame moves downwards to drive the ejecting plate to move upwards through the shaft shoulder bolt, and a product is ejected; when the downward force disappears, the ejector rod and the ejector plate recover to the original position under the action of the spring, so that automatic demolding is realized, and the product is ensured not to deform.
To sum up, the utility model provides a die cavity yielding, the mould that present rubber lock mould exists press the skeleton and the difficult problem of product drawing of patterns.
Drawings
Fig. 1 is a schematic structural view of a rubber latch mold provided by the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
fig. 3 is a schematic structural diagram of a middle mold piece in the rubber locking mold according to the present invention;
fig. 4 is a cross-sectional view of a middle mold piece in the rubber latch mold according to the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 4;
fig. 6 is a schematic structural view of an upper mold plate in the rubber latch mold according to the present invention;
fig. 7 is a schematic structural view of a middle mold lifting frame in the rubber latch mold according to the present invention;
fig. 8 is a schematic structural view of the ejector rod in the rubber latch mold according to the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person having ordinary skill in the art without creative efforts shall belong to the protection scope of the present invention.
Referring to fig. 1-8, the utility model provides a rubber lock catch mold, which comprises a plug injection plate 1, an upper mold plate 2, a middle mold lifting frame 3 and a lower mold plate 4 which are arranged from top to bottom in sequence; wherein:
four middle die cavities 3-1 are formed at the top end of the middle template in a sinking way, a middle die piece 5 is connected in each middle die cavity 3-1 through a bolt, and 6 middle die cavities 5-1 are formed on the middle die piece 5 in a uniform sinking way;
the bottom of the upper template 2 is provided with an upper mold cavity 2-1 at the position corresponding to each middle mold cavity 5-1, and the upper template 2 is provided with a glue injection hole 2-2 communicated with the upper mold cavity 2-1;
in a die closing state, the bottom surface of the upper template 2 is attached to the top surface of the middle die lifting frame 3 and the top surface of the middle die sheet 5, the top surface of the lower template 4 is attached to the bottom surface of the middle die lifting frame 3, and the plurality of upper die cavities 2-1 are respectively matched with the plurality of middle die cavities 5-1 to form a plurality of die cavities 6.
In the embodiment, the middle die 5 is arranged on the middle die lifting frame 3, and the middle die cavities 5-1 are uniformly arranged on the middle die 5, so that the template deformation caused by the thinness and the length of the middle die cavity 5-1 is improved, and the uniform distribution of the middle die cavities 5-1 also takes the balance of pressure and injection during injection; the middle die plate 5 and the middle die lifting frame 3 are connected through the bolts, and the bolts are connected so that the cavity can be replaced in time when damaged, the material of the middle die is saved, the die cost is reduced, the production efficiency is improved, and the production cannot be influenced.
Referring to fig. 1 and 2, in a further embodiment, the middle mold lifting device further comprises an ejector plate 7, the ejector plate 7 is arranged between the middle mold lifting frame 3 and the lower mold plate 4, the ejector plate 7 is connected with the middle mold lifting frame 3 through a plurality of shaft shoulder bolts, a through groove 3-2 is formed in the bottom of the middle mold groove 3-1, the ejector plate 7 is provided with an ejector block 7-1 extending into the through groove 3-2, three ejector holes 5-2 are formed in the bottom of each middle mold cavity 5-1 in a penetrating manner, and the three ejector holes 5-2 are uniformly distributed in the bottom of the middle mold cavity 5-1; the ejection block 7-1 is provided with a sliding hole 7-2 which is coaxial with the ejection hole 5-2 at a position corresponding to each ejection hole 5-2, one side of the ejection block 7-1, which is far away from the middle mold piece 5, is provided with a plurality of mounting holes 7-3, the mounting holes 7-3 are respectively communicated with the plurality of sliding holes 7-2, an ejection rod 8 is arranged in each mounting hole 7-3, the ejection rod 8 penetrates through the corresponding sliding hole 7-2 and extends into the corresponding ejection hole 5-2, the top end surface of the ejection rod 8 and the bottom surface of the middle mold cavity 5-1 are positioned in the same plane, a spring 9 sleeved on the ejection rod 8 is arranged in each mounting hole 7-3, and one end, which is far away from the middle mold piece 5, of the ejection rod 8 is connected with a gasket 10 and a nut 11; a cover plate 12 which is pressed against the ejection rod 8 is fixed on one side of the ejection block 7-1 away from the middle mold piece 5.
Referring to fig. 1, 2 and 4, a groove 5-3 is formed in a concave manner at the bottom of a middle mold sheet 5; in a die assembly state, the top surface of the ejector plate 7 is in clearance fit with the bottom surface of the middle die lifting frame 3; the positions, corresponding to the through grooves 3-2, of the top end of the lower template 4 are provided with bumps 4-1 extending into the through grooves 3-2, the top ends of the bumps 4-1 extend into the grooves 5-3, the top surfaces of the bumps 4-1 are attached to the bottom surfaces of the grooves 5-3, and the ejection blocks 7-1 are in clearance fit with the bumps 4-1;
the ejector plate 7 is in clearance fit with the lower template 4, a projection 4-1 of the lower template 4 is 5mm higher than the ejector plate 7, the top surface of the projection 4-1 is attached to the bottom surface of the middle die piece 5, the ejector rod 8 is matched with an ejector hole 5-2 of the middle die piece 5, during assembly, the nut 11 is screwed and cannot be higher than the bottom plane of the ejector plate 7, and finally the upper cover plate 12 is connected and installed through a bolt;
the middle mold piece 5 is connected with the middle mold lifting frame 3 through bolts, and the ejecting plate 7 is connected with the middle mold lifting frame 3 through shaft shoulder bolts, so that the middle mold piece 5, the middle mold lifting frame 3 and the ejecting plate 7 are integrated into a whole; when the die is closed, the upper plane of the lower template 4 coincides with the lower plane of the middle die piece 5, the top surface of the ejector rod 8 is flush with the bottom surface of the middle die cavity 5-1, and the peripheral upper plane of the lower template 4 coincides with the lower plane of the middle die lifting frame 3, so that a gap of 5mm is formed between the ejector plate 7 and the middle die lifting frame 3; when the mold is ejected, the middle mold lifting frame 3 is lifted to be separated from the lower mold plate 4, the middle mold lifting frame 3 moves downwards to drive the ejector plate 7 to move upwards through the shaft shoulder bolt, and the ejector rod 8 ejects a product; when the downward force disappears, the ejector rod 8 and the ejector plate 7 are restored to the original positions under the action of the spring 10, so that automatic demolding is realized, and the product is ensured not to deform.
Referring to fig. 5 and 8, in a further embodiment, the ejector rod 8 comprises a cylindrical rod, the bottom end of the cylindrical rod is connected with a screw rod, a gasket 10 and a nut 11 are connected to the screw rod, the top end of the cylindrical rod is connected with a conical rod, and the diameter of the conical rod gradually increases from one end close to the cylindrical rod to one end far away from the cylindrical rod; the ejecting hole 5-2 includes the first taper hole section that from the top down set gradually, the cylinder hole section, second taper hole section, the diameter of first taper hole section reduces gradually to being close to cylinder hole section one end from keeping away from cylinder hole section one end, the diameter of second taper hole section reduces gradually to being close to cylinder hole section one end from keeping away from cylinder hole section one end, the toper pole setting of ejecting pole 8 is in first taper hole section, cylinder pole and cylinder hole section, second taper hole section clearance fit.
The top end of the ejector rod 8 is designed into a conical rod, and the cylindrical rod and the middle die piece are matched by adopting a small gap, so that the overflow of rubber materials can be effectively reduced; the conical rod can make the up-and-down movement more compact and easier; adopt the mode that ejector pin 8 adds the apron, the change of the ejector pin 8 of being convenient for, because ejector pin 8 diameter is thinner, shorten ejector pin 8's length as far as possible when the design to guarantee ejector pin 8's axiality and straightness that hangs down, also be convenient for process.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (10)
1. A rubber lock catch mold is characterized by comprising an injection plug plate (1), an upper mold plate (2), a middle mold lifting frame (3) and a lower mold plate (4) which are sequentially arranged from top to bottom; wherein: the top end of the middle template sinks to form a plurality of middle template grooves (3-1), middle mold sheets (5) are arranged in the middle template grooves (3-1), and the middle mold sheets (5) sink up and down to form a plurality of middle mold cavities (5-1); the bottom of the upper template (2) is provided with an upper mold cavity (2-1) at the position corresponding to each middle mold cavity (5-1), and the upper template (2) is provided with a glue injection hole (2-2) communicated with the upper mold cavity (2-1); under the mold closing state, the upper mold cavities (2-1) are respectively matched with the middle mold cavities (5-1) to form a plurality of mold cavities (6).
2. The rubber lock catch mold according to claim 1, further comprising an ejector plate (7), wherein the ejector plate (7) is arranged between the middle mold lifting frame (3) and the lower mold plate (4), the ejector plate (7) is connected with the middle mold lifting frame (3) through a plurality of shoulder bolts, a through groove (3-2) is formed at the bottom of the middle mold groove (3-1), the ejector plate (7) is provided with an ejector block (7-1) extending into the through groove (3-2), an ejector hole (5-2) is formed at the bottom of each middle mold cavity (5-1) in a penetrating manner, a sliding hole (7-2) is formed at a position, corresponding to each ejector hole (5-2), of the ejector block (7-1) and each ejector hole (5-2) in a coaxial manner with the ejector hole (5-2), a plurality of mounting holes (7-3) are formed in one side, away from the middle mold piece (5), of the ejection block (7-1), the mounting holes (7-3) are communicated with the sliding holes (7-2) respectively, an ejection rod (8) is arranged in each mounting hole (7-3), the ejection rod (8) penetrates through the corresponding sliding hole (7-2) and extends into the ejection hole (5-2), the top end face of the ejection rod (8) and the bottom face of the middle mold cavity (5-1) are located in the same plane, a spring (9) sleeved on the ejection rod (8) is arranged in each mounting hole (7-3), and the ejection rod (8) ejects the spring One end of the rod (8) far away from the middle mold piece (5) is connected with a gasket (10) and a nut (11).
3. A rubber snap mould according to claim 2, characterized in that the bottom of the middle die piece (5) is recessed with a groove (5-3).
4. The rubber latch mold according to claim 2 or 3, characterized in that in the mold closing state, the top surface of the lower mold plate (4) is attached to the bottom surface of the middle mold lifting frame (3), and the top surface of the ejector plate (7) is in clearance fit with the bottom surface of the middle mold lifting frame (3).
5. The rubber lock catch mold according to claim 3, wherein the positions of the top end of the lower mold plate (4) corresponding to the through grooves (3-2) are provided with protrusions (4-1) extending into the through grooves (3-2), the top ends of the protrusions (4-1) extend into the grooves (5-3), the top surfaces of the protrusions (4-1) are attached to the bottom surfaces of the grooves (5-3), and the ejection blocks (7-1) are in clearance fit with the protrusions (4-1).
6. A rubber latching mold as claimed in claim 2 or 3, characterized in that a cover plate (12) is fixed to the side of the ejector block (7-1) remote from the middle mold piece (5) and is pressed against the ejector rod (8).
7. A rubber latching mold according to claim 2, wherein the ejector rod (8) comprises a cylindrical rod, a screw rod is connected to the bottom end of the cylindrical rod, a gasket (10) and a nut (11) are connected to the screw rod, a tapered rod is connected to the top end of the cylindrical rod, and the diameter of the tapered rod gradually increases from the end close to the cylindrical rod to the end far from the cylindrical rod.
8. The rubber latching mold according to claim 7, wherein the ejection hole (5-2) comprises a first conical hole section, a cylindrical hole section and a second conical hole section which are arranged from top to bottom in sequence, the diameter of the first conical hole section gradually decreases from one end far away from the cylindrical hole section to one end close to the cylindrical hole section, the diameter of the second conical hole section gradually decreases from one end far away from the cylindrical hole section to one end close to the cylindrical hole section, the conical rod of the ejection rod (8) is arranged in the first conical hole section, and the cylindrical rod is in clearance fit with the cylindrical hole section and the second conical hole section.
9. The rubber lock catch mold according to claim 2 or 3, wherein the number of the middle mold pieces (5) is four, each middle mold piece (5) is provided with 6 middle mold cavities (5-1), the bottom of each middle mold cavity (5-1) is provided with three ejection holes (5-2), and the three ejection holes (5-2) are uniformly distributed at the bottom of each middle mold cavity (5-1).
10. A rubber boot mold according to any one of claims 1-3, characterized in that in the closed mold state, the bottom surface of the upper mold plate (2) is attached to the top surface of the middle mold lifting frame (3) and the top surface of the middle mold piece (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222909862.9U CN218777014U (en) | 2022-11-02 | 2022-11-02 | Rubber lock catch mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222909862.9U CN218777014U (en) | 2022-11-02 | 2022-11-02 | Rubber lock catch mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218777014U true CN218777014U (en) | 2023-03-31 |
Family
ID=85710717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222909862.9U Active CN218777014U (en) | 2022-11-02 | 2022-11-02 | Rubber lock catch mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218777014U (en) |
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2022
- 2022-11-02 CN CN202222909862.9U patent/CN218777014U/en active Active
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