CN213648538U - Improved injection mold - Google Patents
Improved injection mold Download PDFInfo
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- CN213648538U CN213648538U CN202022627661.0U CN202022627661U CN213648538U CN 213648538 U CN213648538 U CN 213648538U CN 202022627661 U CN202022627661 U CN 202022627661U CN 213648538 U CN213648538 U CN 213648538U
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- lower die
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Abstract
The utility model discloses an improved injection mold, which comprises an upper mold component, a lower mold component and a push plate driving mechanism; the upper die assembly comprises an upper die plate and an upper die ejector rod; the lower die component comprises a lower die plate, a lower die base plate and a lower die cushion block, a lower die forming cavity is formed in the middle position of the upper surface of the lower die plate, a lower die mounting hole is formed in the lower surface of the lower die plate, a movable push plate is embedded in the lower die mounting hole, and a push plate hinge part is arranged at the lower end part of the movable push plate; the push plate driving mechanism comprises a movable swing rod, the fixed end part of the movable swing rod is hinged to the lower die cushion block, the free end part of the movable swing rod is hinged to the push plate hinged part, and a spring is arranged between the middle part of the movable swing rod and the lower die seat plate; the lower die plate is provided with a lower die through hole at the side of the lower die forming cavity; when the die is closed, the upper die ejector rod is inserted into the lower die through hole, and the lower end surface of the upper die ejector rod is downward abutted against the movable swing rod. Through the structure design, the utility model has the advantages of structural design is novel, reliable and stable nature is good, and can effectively prevent the adhesion of glue piece when the die sinking.
Description
Technical Field
The utility model relates to an injection mold technical field especially relates to an improvement type injection mold.
Background
Injection molding, also known as injection molding, is a molding method that is injection and molding; the injection molding method has the advantages of high production speed, high efficiency, automation of operation, various designs and colors, various shapes from simple to complex, small sizes, accurate product size, easy replacement of products, capability of forming products with complex shapes, and suitability for the molding processing fields of mass production, products with complex shapes and the like. Wherein, plastic part injection moulding needs to realize through injection mold, and at the in-process that utilizes injection mold injection moulding plastic part, plastic part very easily and injection mold's shaping cavity adhesion, and this has brought certain inconvenience for getting the piece.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an improvement type injection mold to prior art not enough, this improvement type injection mold structural design is novel, reliable and stable nature is good, and can prevent the adhesion of glue piece when the die sinking effectively.
In order to achieve the above purpose, the present invention is achieved by the following technical solutions.
An improved injection mold comprises an upper mold component and a lower mold component positioned on the lower end side of the upper mold component; the upper die assembly comprises an upper die plate, the upper die plate is provided with an upper die ejector rod which extends vertically, and the lower end part of the upper die ejector rod extends to the lower end side of the upper die plate;
the lower die component comprises a lower die plate and a lower die seat plate which is positioned at the lower end side of the lower die plate and is arranged at intervals with the lower die plate, a lower die cushion block is arranged between the lower die plate and the lower die seat plate, the lower end part of the lower die cushion block is in threaded connection with the lower die seat plate, and the upper end part of the lower die cushion block is in threaded connection with the lower die plate; the middle position of the upper surface of the lower template is provided with a lower die forming cavity with an upward opening, the lower surface of the lower template is provided with a lower die mounting hole with the upper end communicated with the lower die forming cavity, a movable push plate is embedded in the lower die mounting hole, and the lower end part of the movable push plate is provided with a push plate hinged part with the lower end extending to the lower end side of the lower template;
the improved injection mold also comprises a push plate driving mechanism, wherein the push plate driving mechanism comprises a movable swing rod, the fixed end part of the movable swing rod is hinged to the lower mold cushion block, the free end part of the movable swing rod is hinged to the push plate hinged part, a vertically arranged spring is arranged between the middle part of the movable swing rod and the lower mold seat plate, the upper end part of the spring is abutted to the middle part of the movable swing rod, and the lower end part of the spring is abutted to the lower mold seat plate;
a lower die through hole which completely penetrates up and down is formed on the lower die plate at the side of the lower die forming cavity; when the die is closed, the upper die ejector rod is inserted into the lower die through hole of the lower die plate, the lower end surface of the upper die ejector rod downwards supports and presses the movable swing rod, and the upper surface of the movable push plate is flush with the bottom surface of the lower die forming cavity.
The lower die cushion block is provided with a swing rod hinge seat corresponding to the movable swing rod in a threaded manner, and the fixed end part of the movable swing rod is hinged to the swing rod hinge seat.
The lower die base plate is provided with a base plate positioning hole with an upward opening corresponding to the spring, the middle part of the movable swing rod is provided with a swing rod positioning hole with a downward opening corresponding to the spring, the lower end part of the spring is embedded in the base plate positioning hole, and the upper end part of the spring is embedded in the swing rod positioning hole.
Wherein a guide sleeve is embedded in the through hole of the lower die; and during die assembly, the upper die ejector rod is inserted in the central hole of the guide sleeve.
The utility model has the advantages that: the utility model relates to an improved injection mold, which comprises an upper mold component and a lower mold component positioned at the lower end side of the upper mold component; the upper die assembly comprises an upper die plate, the upper die plate is provided with an upper die ejector rod which extends vertically, and the lower end part of the upper die ejector rod extends to the lower end side of the upper die plate; the lower die component comprises a lower die plate and a lower die seat plate which is positioned at the lower end side of the lower die plate and is arranged at intervals with the lower die plate, a lower die cushion block is arranged between the lower die plate and the lower die seat plate, the lower end part of the lower die cushion block is in threaded connection with the lower die seat plate, and the upper end part of the lower die cushion block is in threaded connection with the lower die plate; the middle position of the upper surface of the lower template is provided with a lower die forming cavity with an upward opening, the lower surface of the lower template is provided with a lower die mounting hole with the upper end communicated with the lower die forming cavity, a movable push plate is embedded in the lower die mounting hole, and the lower end part of the movable push plate is provided with a push plate hinged part with the lower end extending to the lower end side of the lower template; the improved injection mold also comprises a push plate driving mechanism, wherein the push plate driving mechanism comprises a movable swing rod, the fixed end part of the movable swing rod is hinged to the lower mold cushion block, the free end part of the movable swing rod is hinged to the push plate hinged part, a vertically arranged spring is arranged between the middle part of the movable swing rod and the lower mold seat plate, the upper end part of the spring is abutted to the middle part of the movable swing rod, and the lower end part of the spring is abutted to the lower mold seat plate; a lower die through hole which completely penetrates up and down is formed on the lower die plate at the side of the lower die forming cavity; when the die is closed, the upper die ejector rod is inserted into the lower die through hole of the lower die plate, the lower end surface of the upper die ejector rod downwards supports and presses the movable swing rod, and the upper surface of the movable push plate is flush with the bottom surface of the lower die forming cavity. Through the structure design, the utility model has the advantages of structural design is novel, reliable and stable nature is good, and can prevent effectively that the mould sinking time from gluing the piece adhesion.
Drawings
The invention will be further described with reference to the drawings, but the embodiments in the drawings do not constitute any limitation of the invention.
Fig. 1 is a schematic structural diagram of the present invention.
In fig. 1, included are:
1-upper die ejector rod 2-lower die assembly
21-lower template 211-lower die forming chamber
212 lower die mounting hole 213 lower die through hole
22-lower die base plate 221-base plate positioning hole
23-lower die cushion block 24-movable push plate
241-push plate hinge part 3-push plate driving mechanism
31-movable swing link 311-swing link positioning hole
32-spring 33-swing rod hinged base
34-guide sleeve.
Detailed Description
The present invention will be described with reference to specific embodiments.
As shown in fig. 1, an improved injection mold comprises an upper mold assembly, a lower mold assembly 2 located at the lower end side of the upper mold assembly; the upper die assembly comprises an upper die plate (not shown in the figure), the upper die plate is provided with an upper die ejector rod 1 which extends vertically, and the lower end part of the upper die ejector rod 1 extends to the lower end side of the upper die plate.
The lower die component 2 comprises a lower die plate 21 and a lower die seat plate 22 which is positioned at the lower end side of the lower die plate 21 and is arranged at intervals with the lower die plate 21, a lower die cushion block 23 is arranged between the lower die plate 21 and the lower die seat plate 22, the lower end part of the lower die cushion block 23 is in threaded connection with the lower die seat plate 22, and the upper end part of the lower die cushion block 23 is in threaded connection with the lower die plate 21; the middle position of the upper surface of the lower template 21 is provided with a lower template molding cavity 211 which is opened upwards, the lower surface of the lower template 21 is provided with a lower template mounting hole 212 of which the upper end is communicated with the lower template molding cavity 211, a movable push plate 24 is embedded in the lower template mounting hole 212, and the lower end part of the movable push plate 24 is provided with a push plate hinge part 241 of which the lower end extends to the lower end side of the lower template 21.
Further, this improvement type injection mold is still including push pedal actuating mechanism 3, and push pedal actuating mechanism 3 is including activity pendulum rod 31, and the fixed end of activity pendulum rod 31 articulates in lower mould cushion 23, and the free tip of activity pendulum rod 31 articulates with push pedal articulated portion 241, has installed the spring 32 that is vertical layout between the middle part of activity pendulum rod 31 and the lower mould bedplate 22, and the upper end of spring 32 and the middle part butt of activity pendulum rod 31, the lower tip and the lower mould bedplate 22 butt of spring 32.
Furthermore, the lower template 21 is provided with a lower mold through hole 213 which is completely penetrated up and down at the side of the lower mold forming cavity 211; when the die is closed, the upper die ejector rod 1 is inserted into the lower die through hole 213 of the lower die plate 21, the lower end surface of the upper die ejector rod 1 is pressed against the movable oscillating bar 31, and the upper surface of the movable push plate 24 is flush with the bottom surface of the lower die forming cavity 211.
It should be explained that the lower die cushion block 23 is screwed with a swing link hinge seat 33 corresponding to the movable swing link 31, and the fixed end of the movable swing link 31 is hinged with the swing link hinge seat 33.
For realizing spring 32 installation location, the utility model discloses a following structural design, it is specific: the lower die base plate 22 is provided with a base plate positioning hole 221 with an upward opening corresponding to the spring 32, the middle part of the movable swing rod 31 is provided with a swing rod positioning hole 311 with a downward opening corresponding to the spring 32, the lower end part of the spring 32 is embedded in the base plate positioning hole 221, and the upper end part of the spring 32 is embedded in the swing rod positioning hole 311.
In addition exactly, for guaranteeing to go up mould ejector pin 1 accurate positioning when the compound die, the utility model discloses a following structural design, it is concrete: a guide sleeve 34 is embedded in the lower die through hole 213; when the die is closed, the upper die ejector rod 1 is inserted into the central hole of the guide sleeve 34.
In the process of closing the upper die assembly and the lower die assembly 2 and realizing die closing action, the upper die plate and the lower die plate 21 are gradually closed, and the upper die ejector rod 1 is inserted into the lower die through hole 213 of the lower die plate 21; when the die is closed in place, the upper die plate and the lower die plate 21 are closed, the upper die ejector rod 1 presses the movable swing rod 31 downwards and the spring 32 is compressed, and at the moment, the upper surface of the movable push plate 24 is flush with the bottom surface of the lower die forming cavity 211.
After the injection molding of the plastic part is finished, when the plastic part is demolded, the upper template and the lower template 21 are gradually separated, in the process, the upper mold ejector rod 1 gradually retreats from the movable swing rod 31, the return elasticity of the spring 32 upwards pushes the movable swing rod 31, the free end part of the movable swing rod 31 upwards pushes the movable push plate 24, and the upward moving movable push plate 24 pushes the plastic part away from the lower mold forming cavity 211; the plastic member is not adhered to the inner wall of the lower mold molding cavity 211 by the pushing action of the movable push plate 24.
Synthesize the above-mentioned condition and know, through above-mentioned structural design, the utility model has the advantages of structural design is novel, reliable and stable nature is good, and can prevent the adhesion of glue piece when the die sinking effectively.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (4)
1. The utility model provides an improvement type injection mold which characterized in that: comprises an upper die component and a lower die component (2) positioned at the lower end side of the upper die component; the upper die assembly comprises an upper die plate, the upper die plate is provided with an upper die ejector rod (1) which extends vertically, and the lower end part of the upper die ejector rod (1) extends to the lower end side of the upper die plate;
the lower die component (2) comprises a lower die plate (21) and a lower die seat plate (22) which is positioned at the lower end side of the lower die plate (21) and is arranged at intervals with the lower die plate (21), a lower die cushion block (23) is arranged between the lower die plate (21) and the lower die seat plate (22), the lower end part of the lower die cushion block (23) is in threaded connection with the lower die seat plate (22), and the upper end part of the lower die cushion block (23) is in threaded connection with the lower die plate (21); a lower die forming cavity (211) with an upward opening is formed in the middle of the upper surface of the lower die plate (21), a lower die mounting hole (212) with the upper end communicated with the lower die forming cavity (211) is formed in the lower surface of the lower die plate (21), a movable push plate (24) is embedded in the lower die mounting hole (212), and a push plate hinge portion (241) with the lower end extending to the lower end side of the lower die plate (21) is arranged at the lower end portion of the movable push plate (24);
the improved injection mold further comprises a push plate driving mechanism (3), the push plate driving mechanism (3) comprises a movable swing rod (31), the fixed end part of the movable swing rod (31) is hinged to a lower mold cushion block (23), the free end part of the movable swing rod (31) is hinged to a push plate hinged part (241), a spring (32) which is vertically arranged is arranged between the middle part of the movable swing rod (31) and a lower mold seat plate (22), the upper end part of the spring (32) is abutted to the middle part of the movable swing rod (31), and the lower end part of the spring (32) is abutted to the lower mold seat plate (22);
a lower die through hole (213) which completely penetrates up and down is formed on the lower die plate (21) at the side of the lower die forming cavity (211); when the die is closed, the upper die ejector rod (1) is inserted into the lower die through hole (213) of the lower die plate (21), the lower end surface of the upper die ejector rod (1) downwards presses the movable swing rod (31), and the upper surface of the movable push plate (24) is flush with the bottom surface of the lower die forming cavity (211).
2. An improved injection mold as claimed in claim 1, characterized in that: the lower die cushion block (23) is provided with a swing rod hinge seat (33) corresponding to the movable swing rod (31) in a threaded manner, and the fixed end part of the movable swing rod (31) is hinged to the swing rod hinge seat (33).
3. An improved injection mold as claimed in claim 1, characterized in that: the lower die base plate (22) is provided with a base plate positioning hole (221) with an upward opening corresponding to the spring (32), the middle part of the movable swing rod (31) is provided with a swing rod positioning hole (311) with a downward opening corresponding to the spring (32), the lower end part of the spring (32) is embedded in the base plate positioning hole (221), and the upper end part of the spring (32) is embedded in the swing rod positioning hole (311).
4. An improved injection mold as claimed in claim 1, characterized in that: a guide sleeve (34) is embedded in the lower die through hole (213); when the die is closed, the upper die ejector rod (1) is inserted in the central hole of the guide sleeve (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022627661.0U CN213648538U (en) | 2020-11-13 | 2020-11-13 | Improved injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022627661.0U CN213648538U (en) | 2020-11-13 | 2020-11-13 | Improved injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213648538U true CN213648538U (en) | 2021-07-09 |
Family
ID=76685626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022627661.0U Active CN213648538U (en) | 2020-11-13 | 2020-11-13 | Improved injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213648538U (en) |
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2020
- 2020-11-13 CN CN202022627661.0U patent/CN213648538U/en active Active
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