CN220946481U - Core pulling device for household appliance plastic part mold - Google Patents
Core pulling device for household appliance plastic part mold Download PDFInfo
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- CN220946481U CN220946481U CN202322868193.XU CN202322868193U CN220946481U CN 220946481 U CN220946481 U CN 220946481U CN 202322868193 U CN202322868193 U CN 202322868193U CN 220946481 U CN220946481 U CN 220946481U
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- core pulling
- mold
- household appliance
- bottom plate
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- 230000009975 flexible effect Effects 0.000 claims abstract description 12
- 239000012528 membrane Substances 0.000 claims abstract description 9
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 abstract description 2
- 230000037431 insertion Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 238000001746 injection moulding Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model provides a core pulling device for a household appliance plastic part mold, which relates to the technical field of core pulling of molds and comprises a bottom plate, a concave film and a core pulling cylinder; the upper end of bottom plate is provided with the lower bolster, and four corners of lower bolster all install flexible cylinder, the up end middle part of lower bolster is provided with the indent membrane, and is provided with the die cavity in the indent membrane, the front end of bottom plate is provided with preceding platform, and the front end of preceding platform is provided with preceding mounting bracket to install core pulling cylinder on the preceding mounting bracket, both parts all are provided with multiunit locating hole around the indent membrane, and the left part of die cavity is provided with left die cavity, and the right part of die cavity is provided with right die cavity to be provided with two middle die cavities between left die cavity and the right die cavity. The utility model is convenient to carry out core pulling treatment on the household appliance plastic part mould products in the mould groove from multiple directions, the core insertion is smooth and stable, the core pulling is easy and convenient, the core pulling work efficiency of the household appliance plastic part mould is improved, and the use is more convenient and reliable.
Description
Technical Field
The utility model relates to the technical field of core pulling of molds, in particular to a core pulling device of a household appliance plastic part mold.
Background
The mould is a mould and tool for producing the needed products by injection moulding, blow moulding, extrusion, die casting or forging, smelting, stamping and other methods in industrial production, in short, the mould is a tool for producing molded articles, the tool is composed of various parts, and different moulds are composed of different parts, and the processing of the appearance of the articles is realized mainly by changing the physical state of the molded materials, and core pulling shaping is needed due to the specific shape of a plastic shell during the injection moulding of household electric plastic.
In the description of a mould core pulling device for household electrical appliance plastic parts in the prior art (publication number CN 218519121U), the left side and the right side of the mould are fixedly provided with a fixed frame, the other end of the fixed frame is provided with a driving box, the inside of the driving box is movably provided with a driving block, the side surface of the driving block is fixedly provided with a mould core, the front side of the mould core is provided with a fixed plate, the left side of the upper surface of the fixed plate is fixedly provided with a driving rod, the front side of the fixed plate is fixedly provided with a connecting frame, the front side of the connecting frame is fixedly connected with a power rod, the rear side of the driving block is fixedly provided with a sliding block, but the prior art adopts the connecting frame to push, the elasticity provided by a return spring can return the mould core when the power rod returns, the spring rebound is unstable, and the mould core is easy to corrode after a long time, and the mould core is not safe and reliable.
Disclosure of utility model
In order to overcome the defects existing in the prior art, the core pulling device for the household appliance plastic part mold is provided at present, so that the problems that the prior art adopts a connecting frame to push, the elastic force provided by a return spring can return to a mold core when a power rod returns, the spring rebound is unstable, the use is easy to corrode for a long time, and the safety and reliability are not guaranteed are solved.
In order to achieve the purpose, the core pulling device of the household appliance plastic part mold comprises a bottom plate, a concave film and a core pulling cylinder; the upper end of bottom plate is provided with the lower bolster, and the four corners of lower bolster all install flexible cylinder, the up end middle part of lower bolster is provided with the indent membrane, and is provided with the diaphragm groove in the indent membrane, the front end of bottom plate is provided with preceding platform, and the front end of preceding platform is provided with preceding mounting bracket to install core pulling cylinder on the preceding mounting bracket.
Further, the front and back two parts of the concave film are provided with a plurality of groups of positioning holes, the left part of the die cavity is provided with a left die cavity, the right part of the die cavity is provided with a right die cavity, two middle die cavities are arranged between the left die cavity and the right die cavity, and meanwhile, the left die cavity and the right die cavity are in bilateral symmetry with respect to the middle die cavities.
Further, the structure settings of left die cavity and right die cavity are the same, and the outside of right die cavity is provided with first side movable channel and second side movable channel to the front side of right die cavity is equipped with preceding movable channel.
Further, the left side middle part of bottom plate is fixed with left mounting bracket, and installs two sets of left flexible cylinders on the left mounting bracket to the flexible activity of the front portion body of rod of two sets of left flexible cylinders is in the left first side movable channel and the second side movable channel of die cavity, and in the front end of left flexible cylinder stretches into the left part of well die cavity.
Further, the middle part of the right side surface of the bottom plate is fixedly provided with a right mounting frame, two groups of right telescopic cylinders are mounted on the right mounting frame, the front rod body of the right telescopic cylinders stretches into the first side movable channel and the second side movable channel on the right side of the die cavity, and the front end of the right telescopic cylinder stretches into the right part of the middle die cavity.
Further, the front part of the lower template is provided with a front notch, the upper end face of the front platform is provided with a linear guide rail, and the front notch and the upper end face of the front platform are arranged in a flat way.
Further, the front end of the core pulling cylinder is provided with a front connecting plate, the front end of the front connecting plate is provided with two groups of front suction pipes, the front suction pipes are provided with a first side through hole and a second side through hole, and the two groups of front suction pipes are respectively inserted into the left die cavity and the right die cavity.
The utility model has the beneficial effects that:
1. The left part of the die cavity is convenient for the left telescopic cylinder on the left side to extend in or draw out, the right part of the die cavity is convenient for the right telescopic cylinder on the right side to extend in or draw out, and meanwhile, the left die cavity and the right die cavity of the die cavity are convenient for the front drawing pipe to extend in or draw out, so that the die cavity is convenient for injection molding and flexible core pulling.
2. The left mounting frame, the right mounting frame, the left telescopic cylinder and the right telescopic cylinder are bilaterally symmetrical relative to the central line of the bottom plate, so that the telescopic movement is relatively flexible, and the operation is convenient and trouble-saving.
3. The front connecting plate is driven to move back and forth on the front drawing pipe by the telescopic movement of the cylinder core-pulling cylinder, so that the front drawing pipe is driven to move synchronously, the front drawing pipe is convenient to move forward and insert into the left die cavity and the right die cavity, and the front connecting plate is convenient to move backward for core pulling.
Drawings
FIG. 1 is a schematic diagram of a mold before core pulling according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a mold after core pulling according to an embodiment of the present utility model;
FIG. 3 is an expanded schematic view of a mold cavity structure according to an embodiment of the present utility model;
fig. 4 is a diagram showing the effect of structural arrangement on a core pulling cylinder according to an embodiment of the present utility model.
In the figure: 1. a bottom plate; 10. a lower template; 11. an upper telescopic cylinder; 12. a front notch; 13. a front platform; 14. a linear guide rail; 15. a front mounting rack; 16. a left mounting rack; 17. a left telescopic cylinder; 18. a right mounting rack; 19. a right telescopic cylinder; 2. a concave film; 20. a die cavity; 21. positioning holes; 22. a left die cavity; 23. a middle mold cavity; 24. a right die cavity; 25. a first side active channel; 26. a second side active channel; 27. a front movable channel; 3. a core pulling cylinder; 30. a front connecting plate; 31. a front suction pipe; 32. a first side through hole; 33. and a second side through hole.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clearly apparent, the present utility model is further described in detail below with reference to the accompanying drawings and embodiments. The specific embodiments described herein are offered by way of illustration only and not as limitations of the utility model, and specific details such as particular system architectures, techniques, etc. may be set forth in order to provide a more thorough understanding of the embodiments of the utility model. The described embodiments are some, but not all, embodiments of the present disclosure. It will be apparent, however, to one skilled in the art that the present utility model may be practiced in other embodiments that depart from these specific details. Based on the embodiments in this disclosure, all other embodiments that a person skilled in the art would obtain without making any inventive effort are within the scope of protection of this disclosure.
Specific embodiments of the present utility model are described in detail below with reference to the accompanying drawings.
Fig. 1 is a schematic diagram before a core is pulled out of a mold according to an embodiment of the present utility model, fig. 2 is a schematic diagram after a core is pulled out of a mold according to an embodiment of the present utility model, fig. 3 is a schematic diagram for expanding a mold cavity structure according to an embodiment of the present utility model, and fig. 4 is a diagram for setting effects of a core pulling cylinder structure according to an embodiment of the present utility model.
Referring to fig. 1 to 4, the utility model provides a core pulling device for a plastic part mold of a household appliance, which comprises a bottom plate 1, a concave film 2 and a core pulling cylinder 3; the upper end of bottom plate 1 is provided with lower bolster 10, and the four corners of lower bolster 10 all install flexible cylinder 11, and the up end middle part of lower bolster 10 is provided with concave membrane 2, and is provided with die cavity 20 in the concave membrane 2, and the front end of bottom plate 1 is provided with preceding platform 13, and the front end of preceding platform 13 is provided with preceding mounting bracket 15 to install core pulling cylinder 3 on the preceding mounting bracket 15.
In this embodiment, the front and rear parts of the concave film 2 are provided with a plurality of groups of positioning holes 21, the left part of the cavity 20 is provided with a left cavity 22, the right part of the cavity 20 is provided with a right cavity 24, two middle cavities 23 are arranged between the left cavity 22 and the right cavity 24, and the left cavity 22 and the right cavity 24 are in bilateral symmetry about the middle cavities 23; the structural arrangement of the left and right mold cavities 22, 24 is identical, and the outer side of the right mold cavity 24 is provided with a first side movable channel 25 and a second side movable channel 26, and the front side of the right mold cavity 24 is provided with a front movable channel 27.
As a preferred embodiment, the left part of the die cavity 20 is convenient for the left telescopic cylinder 17 on the left side to extend in or draw out, the right part of the die cavity 20 is convenient for the right telescopic cylinder 19 on the right side to extend in or draw out, and meanwhile, the left die cavity 22 and the right die cavity 24 of the die cavity 20 are convenient for the front drawing tube 31 to extend in or draw out, so that the die cavity is convenient for injection molding and flexible core pulling.
In the embodiment, a left mounting frame 16 is fixed in the middle of the left side surface of the bottom plate 1, two groups of left telescopic air cylinders 17 are mounted on the left mounting frame 16, the front rod bodies of the two groups of left telescopic air cylinders 17 are telescopically movable in a first side movable channel 25 and a second side movable channel 26 on the left side of a die cavity 20, and the front ends of the left telescopic air cylinders 17 extend into the left part of a middle die cavity 23; the middle part of the right side surface of the bottom plate 1 is fixedly provided with a right mounting frame 18, two groups of right telescopic air cylinders 19 are mounted on the right mounting frame 18, the front rod body of the right telescopic air cylinders 19 stretches into a first side movable channel 25 and a second side movable channel 26 on the right side of the die cavity 20, and the front ends of the right telescopic air cylinders 19 stretch into the right part of the middle die cavity 23.
As a preferred embodiment, the left mounting frame 16, the right mounting frame 18, the left telescopic cylinder 17 and the right telescopic cylinder 19 are all symmetric left and right with respect to the central line of the bottom plate 1 in the utility model, so that the telescopic movement is relatively flexible, and the operation is convenient and trouble-free.
In the present embodiment, the front portion of the lower die plate 10 is provided with a front notch 12, the upper end face of the front platform 13 is provided with a linear guide rail 14, and the upper end faces of the front notch 12 and the front platform 13 are arranged flat; the front end of the core pulling cylinder 3 is provided with a front connecting plate 30, the front end of the front connecting plate 30 is provided with two groups of front suction pipes 31, the front suction pipes 31 are provided with a first side through hole 32 and a second side through hole 33, and the two groups of front suction pipes 31 are respectively inserted into the left die cavity 22 and the right die cavity 24.
As a preferred implementation manner, the telescopic movement of the cylinder core-pulling cylinder 3 of the utility model can push the front connecting plate 30 to move back and forth on the front suction pipe 31, thereby driving the front suction pipe 31 to move synchronously, facilitating the forward movement and inserting into the left die cavity 22 and the right die cavity 24, and facilitating the backward movement to perform core pulling.
The utility model can effectively solve the problems that the prior art adopts a connecting frame to push, the elastic force provided by the return spring is used for returning the die core when the power rod returns, the spring rebound is unstable, the die core is easy to corrode after being used for a long time and is not safe and reliable, the die core is convenient to carry out core pulling treatment on the plastic part die products of the household appliances in the die cavity from multiple directions, the core insertion is smooth and stable, the core pulling is easy and convenient, the work efficiency of core pulling of the plastic part die of the household appliances is improved, and the use is more convenient and reliable.
The above-described embodiments are intended to illustrate the present utility model, not to limit it, and any modifications and variations made to the present utility model within the spirit of the utility model and the scope of the claims should be included in the scope of the present utility model.
Claims (7)
1. The core pulling device for the household appliance plastic part mould is characterized by comprising a bottom plate (1), a concave film (2) and a core pulling cylinder (3); the upper end of bottom plate (1) is provided with lower bolster (10), and four corners of lower bolster (10) all install flexible cylinder (11), the up end middle part of lower bolster (10) is provided with concave membrane (2), and is provided with die cavity (20) in concave membrane (2), the front end of bottom plate (1) is provided with preceding platform (13), and the front end of preceding platform (13) is provided with preceding mounting bracket (15) to install core pulling cylinder (3) on preceding mounting bracket (15).
2. The core pulling device for household appliance plastic parts according to claim 1, wherein a plurality of groups of positioning holes (21) are formed in the front portion and the rear portion of the concave film (2), a left die cavity (22) is formed in the left portion of the die cavity (20), a right die cavity (24) is formed in the right portion of the die cavity (20), two middle die cavities (23) are formed between the left die cavity (22) and the right die cavity (24), and the left die cavity (22) and the right die cavity (24) are in bilateral symmetry with respect to the middle die cavities (23).
3. The core pulling device for plastic parts of household appliances according to claim 2, wherein the left die cavity (22) and the right die cavity (24) are identical in structural arrangement, a first side movable channel (25) and a second side movable channel (26) are arranged on the outer side of the right die cavity (24), and a front movable channel (27) is arranged on the front side of the right die cavity (24).
4. The core pulling device for the plastic part mold of the household appliance according to claim 1, wherein a left mounting frame (16) is fixed in the middle of the left side surface of the bottom plate (1), two groups of left telescopic air cylinders (17) are mounted on the left mounting frame (16), front rod bodies of the two groups of left telescopic air cylinders (17) are telescopic and movable in a first side movable channel (25) and a second side movable channel (26) on the left side of the mold cavity (20), and the front ends of the left telescopic air cylinders (17) extend into the left part of the middle mold cavity (23).
5. The core pulling device for the plastic part mold of the household appliance according to claim 1, wherein a right mounting frame (18) is fixed in the middle of the right side surface of the bottom plate (1), two groups of right telescopic cylinders (19) are mounted on the right mounting frame (18), the front rod body of the right telescopic cylinders (19) is telescopic and movable in a first side movable channel (25) and a second side movable channel (26) on the right side of the mold cavity (20), and the front end of the right telescopic cylinders (19) stretches into the right part of the middle mold cavity (23).
6. The core pulling device for household electrical appliance plastic part mold according to claim 1, wherein the front part of the lower mold plate (10) is provided with a front notch (12), the upper end surface of the front platform (13) is provided with a linear guide rail (14), and the front notch (12) and the upper end surface of the front platform (13) are arranged in a level manner.
7. The core pulling device for the household appliance plastic part mold according to claim 1, wherein a front connecting plate (30) is arranged at the front end of the core pulling cylinder (3), two groups of front suction pipes (31) are arranged at the front end of the front connecting plate (30), a first side through hole (32) and a second side through hole (33) are formed in the front suction pipes (31), and the two groups of front suction pipes (31) are respectively inserted into the left mold cavity (22) and the right mold cavity (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322868193.XU CN220946481U (en) | 2023-10-25 | 2023-10-25 | Core pulling device for household appliance plastic part mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322868193.XU CN220946481U (en) | 2023-10-25 | 2023-10-25 | Core pulling device for household appliance plastic part mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220946481U true CN220946481U (en) | 2024-05-14 |
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ID=90975680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322868193.XU Active CN220946481U (en) | 2023-10-25 | 2023-10-25 | Core pulling device for household appliance plastic part mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220946481U (en) |
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2023
- 2023-10-25 CN CN202322868193.XU patent/CN220946481U/en active Active
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