CN216804288U - Injection mold convenient to drawing of patterns - Google Patents
Injection mold convenient to drawing of patterns Download PDFInfo
- Publication number
- CN216804288U CN216804288U CN202122940684.1U CN202122940684U CN216804288U CN 216804288 U CN216804288 U CN 216804288U CN 202122940684 U CN202122940684 U CN 202122940684U CN 216804288 U CN216804288 U CN 216804288U
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- Prior art keywords
- wedge
- blocks
- injection mold
- top seat
- mold
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- 238000002347 injection Methods 0.000 title claims abstract description 31
- 239000007924 injection Substances 0.000 title claims abstract description 31
- 238000000465 moulding Methods 0.000 claims abstract description 12
- 238000001746 injection moulding Methods 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- 239000004033 plastic Substances 0.000 description 6
- 239000008188 pellet Substances 0.000 description 5
- 238000007493 shaping process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to the technical field of dies, in particular to an injection die convenient for demoulding, which comprises: the fixed die comprises a base, a die frame arranged on the base and a top seat arranged on the die frame; the fixing component comprises two wedge-shaped blocks which are oppositely arranged at intervals, and a first guide surface is arranged on each wedge-shaped block; the mould core is movably arranged on the top seat and positioned between the two wedge-shaped blocks, and a forming groove is formed in the mould core; the mold core comprises two separable mold core blocks, the mold core block is provided with a half-shaped groove, the half-shaped grooves on the two mold core blocks are matched to form a molding groove, the mold core block is provided with a first sliding surface, and the first sliding surface is respectively in sliding fit with the first guide surface; the movable mould is arranged on the top seat and is pressed in the forming groove in a pressing way; the ejection assembly comprises at least two first ejector rods, and the first ejector rods movably penetrate through the ejector bases and respectively movably abut against the mold core block. The injection mold convenient for demolding is convenient for demolding of a formed product, time-saving and labor-saving, and the formed product is not easy to damage.
Description
Technical Field
The utility model relates to the technical field of molds, in particular to an injection mold convenient for demolding.
Background
The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate dimensions, and the injection molding is a processing method used for batch production of parts with complex shapes, in particular to a method for injecting heated and melted plastics into a molding groove from an injection molding machine at high pressure and obtaining a molded product after cooling and solidification. In the traditional process, after a plastic mold obtains a formed product, the formed product is generally directly pulled out from a forming groove, so that the time and the labor are wasted, the formed product is easily damaged, and the quality of the formed product is difficult to ensure.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide an injection mold that is convenient for demolding, in order to solve the problems of the conventional techniques.
An injection mold facilitating demolding, comprising:
the fixed die comprises a base, a die frame arranged on the base and a top seat arranged on the die frame;
the fixed assembly is fixedly arranged on the top seat; the fixing assembly comprises two wedge-shaped blocks which are oppositely arranged at intervals, first guide surfaces are arranged on the wedge-shaped blocks, the first guide surfaces of the two wedge-shaped blocks are oppositely arranged, the first guide surfaces are inclined surfaces, and the distance between the two first guide surfaces is gradually increased towards the direction far away from the top seat;
the die core is movably arranged on the top seat and positioned between the two wedge-shaped blocks, and a forming groove is formed in the die core; the mold core comprises two separable mold core blocks, each mold core block is provided with a half-shaped groove, the half-shaped grooves on the two mold core blocks are matched to form the molding groove, each mold core block is provided with a first sliding surface, each first sliding surface is an inclined surface, and the first sliding surfaces are respectively in sliding fit with the first guide surfaces;
a movable mold arranged on the top seat and pressed in the molding groove
The ejection assembly comprises at least two first ejector rods, and the first ejector rods movably penetrate through the ejector bases and respectively movably abut against the core blocks.
After the forming product is made in above-mentioned injection mold's of convenient to drawing of patterns shaping groove, open the movable mould, actuate first ejector pin, promote the direction motion of type pellet towards keeping away from the footstock by first ejector pin, because first glide plane slides the laminating with first spigot surface respectively, and first spigot surface and first glide plane are the inclined plane, thereby the type pellet slides along first spigot surface slant, two core pieces are kept away from each other, separation between the half type groove of two type pellets promptly, after the interval between two type pellets reaches the preset distance, then can follow and take out the shaping product between two type pellets, the shaping product drawing of patterns of being convenient for, and it is convenient to take out, time saving and labor saving, and difficult damage shaping product, effectively guarantee the quality of shaping product.
In one embodiment, the die carrier comprises two support plates arranged at intervals, two ends of each support plate are respectively connected with the base and the top seat, the two support plates, the base and the top seat are matched to form a movable space, and part of the first ejector rod is located in the movable space.
In one embodiment, the top seat is provided with a first movable hole for the first top rod to movably penetrate through.
In one embodiment, the ejection assembly further comprises a moving plate connected with each first ejector rod, and the moving plate is located in the movable space.
In one embodiment, the device further comprises a driving mechanism for pushing the moving plate, and the base is provided with a position-giving opening through which the driving mechanism penetrates.
In one embodiment, the fixing device further comprises two limiting blocks movably arranged on the top seat, and the two limiting blocks are respectively located on two sides of the fixing component.
In one of them embodiment, be equipped with the second spigot surface on the wedge, the second spigot surface is located the wedge and is deviated from one side of first spigot surface, two on the wedge the second spigot surface deviates from the setting, the second spigot surface is the inclined plane, and two distance between the second spigot surface is towards keeping away from the direction of footstock reduces gradually, be equipped with the second glide plane on the stopper, the second glide plane is the inclined plane, the second glide plane with the second spigot surface sliding fit.
In one embodiment, the ejection mechanism further comprises at least two second ejector rods, and the second ejector rods movably penetrate through the ejector bases and respectively movably abut against the limiting blocks.
In one embodiment, a second movable hole for the second ejector rod to penetrate through is formed in the top seat.
In one embodiment, the movable mold is provided with a through hole, the through hole is communicated with the molding groove, and an injection molding nozzle is embedded in the through hole.
Drawings
FIG. 1 is a schematic structural view of an injection mold with easy demolding according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the injection mold of FIG. 1 shown to facilitate demolding;
FIG. 3 is a schematic view of a portion of the injection mold shown in FIG. 1 to facilitate demolding;
fig. 4 is a schematic structural view of a movable mold of the injection mold for facilitating mold release shown in fig. 1.
The meaning of the reference symbols in the drawings is:
the injection molding device comprises a fixed die 10, a base 11, a die carrier 12, a top seat 13, a supporting plate 14, a movable space 15, a first movable hole 16, a relief opening 17, a second movable hole 18, a mounting hole 19, a fixed component 20, a wedge-shaped block 21, a first guide surface 22, a second guide surface 23, a die core 30, a molding groove 31, a die core block 32, a half-shaped groove 33, a first sliding surface 34, a groove 35, a movable die 40, a through opening 41, an injection molding nozzle 42, a movable seat 43, a mounting plate 44, an accommodating space 45, a bump 46, a mounting column 47, an ejection component 50, a first ejector rod 51, a movable plate 52, a second ejector rod 53, a limiting block 60 and a second sliding surface 61.
Detailed Description
In order that the utility model may be more fully understood, reference will now be made to the following description. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
Referring to fig. 1 to 4, an injection mold with easy demolding according to an embodiment of the present invention is shown. Referring to fig. 1 and 2, the injection mold for facilitating demolding includes a fixed mold 10, a fixed assembly 20, a mold core 30, a movable mold 40, and an ejection assembly 50. The fixed mold 10 includes a base 11, a mold frame 12 provided on the base 11, and a top base 13 provided on the mold frame 12. The fixing assembly 20 is fixedly installed on the top base 13. The fixing component 20 comprises two wedge blocks 21 arranged oppositely at intervals, first guide surfaces 22 are arranged on the wedge blocks 21, the first guide surfaces 22 of the two wedge blocks 21 are arranged oppositely, the first guide surfaces 22 are inclined surfaces, and the distance between the two first guide surfaces 22 is gradually increased towards the direction far away from the top seat 13. The mold core 30 is movably arranged on the top seat 13 and positioned between the two wedge blocks 21, a forming groove 31 is arranged on the mold core 30, and the plastic melted by heating is formed into a formed product in the forming groove 31. The mold core 30 includes two separable mold core blocks 32, the mold core block 32 has half-shaped grooves 33, as shown in fig. 3, the half-shaped grooves 33 on the two mold core blocks 32 cooperate to form the molding groove 31, the mold core block 32 has a first sliding surface 34, the first sliding surface 34 is an inclined surface, and the first sliding surface 34 is respectively in sliding fit with the first guide surface 22. The movable mold 40 is pressed on the wedge block 21 and the mold core 30, and the movable mold 40 is arranged on the top seat 13 and pressed on the molding groove 31. The ejection assembly 50 includes at least two first ejector rods 51, and the first ejector rods 51 movably penetrate through the top seat 13 and respectively movably abut against the core block 32.
After the forming groove 31 of the injection mold convenient for demolding is used for manufacturing a formed product, the movable mold 40 is opened, the first ejector rod 51 is actuated, the first ejector rod 51 pushes the type core block 32 to move towards the direction away from the top seat 13, because the first sliding surface 34 is respectively attached to the first guide surface 22 in a sliding manner, and the first guide surface 22 and the first sliding surface 34 are both inclined surfaces, the type core block 32 slides upwards along the first guide surface 22 in an inclined manner, the two type core blocks 32 are away from each other, namely, the half-shaped grooves 33 of the two type core blocks 32 are separated, after the distance between the two type core blocks 32 reaches a preset distance, the formed product can be taken out from the two type core blocks 32, demolding of the formed product is facilitated, the taking-out convenience, time and labor are saved, the formed product is not easy to damage, and the quality of the formed product is effectively guaranteed.
Referring to fig. 1, in some embodiments, the mold frame 12 includes two support plates 14 disposed at an interval, two ends of the support plates 14 are respectively connected to the base 11 and the top base 13, the two support plates 14, the base 11 and the top base 13 cooperate to form a movable space 15, and a portion of the first push rod 51 is located in the movable space 15.
Referring to fig. 2, further, the top base 13 is provided with a first movable hole 16 for the first top rod 51 to movably penetrate through, and it can be understood that one end of the first top rod 51 movably penetrates through the first movable hole 16 to abut against the core block 32.
In some embodiments, the fixing assembly 20 may be connected to the top base 13 by screws, so that the fixing assembly 20 is fixedly mounted on the top base 13.
Referring to fig. 1 and 2, a through hole 41 is formed in the movable mold 40, the through hole 41 is communicated with the molding groove 31, an injection nozzle 42 is embedded in the through hole 41, and an external injection molding machine injects molten plastic into the molding groove 31 through the injection nozzle 42. Specifically, as shown in fig. 4, the movable mold 40 includes a movable seat 43 and a mounting plate 44 disposed on the movable seat 43, a receiving space 45 is disposed on a side of the movable seat 43 facing the top seat 13, and the fixed component 20 and the mold core 30 are both disposed in the receiving space 45. Further, a plurality of mounting holes 19 are formed in one side, facing the moving seat 43, of the top seat 13, the mounting holes 19 are evenly distributed along the circumferential edge of the top seat 13, a plurality of mounting columns 47 are arranged on one side, facing the top seat 13, of the moving seat 43, the mounting columns 47 are evenly distributed along the circumferential edge of the moving seat 43, and when the movable mold 40 is arranged on the top seat 13, the mounting columns 47 are respectively inserted into the mounting holes 19.
Referring to fig. 3 and 4, in some embodiments, the mold insert 30 is provided with a groove 35, the forming groove 31 is disposed at the bottom of the groove 35, a protrusion 46 adapted to the groove 35 is disposed on a side of the movable seat 43 facing the top seat 13, the protrusion 46 is disposed in the accommodating space 45, and when the movable seat 43 is covered on the top seat 13, the protrusion 46 is accommodated in the groove 35. The through hole 41 penetrates the mounting plate 44, the moving seat 43 and the protrusion 46.
Referring to fig. 1 and 2 again, the ejection assembly 50 further includes a moving plate 52 located in the movable space 15, and the moving plate 52 is connected to each first rod 51. Specifically, the first push rod 51 is connected to the moving plate 52, and the other end of the first push rod 51 movably abuts against the core block 32.
In some embodiments, the injection mold facilitating demolding further includes a driving mechanism for pushing the moving plate 52, and the base 11 is provided with a yielding hole 17 for the driving mechanism to penetrate through, so that the driving mechanism penetrates through the yielding hole 17 to push the moving plate 52, and further drives each first ejector rod 51 to move.
Referring to fig. 2 and fig. 3, in this embodiment, the injection mold for facilitating demolding further includes two limiting blocks 60 movably disposed on the top base 13, and the two limiting blocks 60 are respectively located at two sides of the fixing assembly 20. Specifically, be equipped with second spigot surface 23 on the wedge 21, second spigot surface 23 is located the one side that wedge 21 deviates from first spigot surface 22, and second spigot surface 23 on two wedges 21 deviates from the setting, and second spigot surface 23 is the inclined plane, and the distance between two second spigot surfaces 23 reduces towards the direction of keeping away from footstock 13 gradually, and understandably, the distance between first spigot surface 22 on each wedge 21 and the second spigot surface 23 reduces towards the direction of keeping away from footstock 13 gradually. The stopper 60 is provided with a second sliding surface 61, the second sliding surface 61 is an inclined surface, and the second sliding surface 61 is in sliding fit with the second guide surface 23. The ejecting assembly 50 further includes at least two second ejector rods 53, and the second ejector rods 53 movably penetrate through the top base 13 and respectively movably abut against the limiting blocks 60. Furthermore, a second movable hole 18 for the second push rod 53 to penetrate is formed in the top seat 13, one end of the second push rod 53 is connected with the moving plate 52, and the other end of the second push rod 53 movably penetrates through the second movable hole 18 to movably abut against the limiting block 60. The movement principle of the stopper 60 is the same as that of the core block.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. An injection mold convenient to drawing of patterns, characterized by includes:
the fixed die comprises a base, a die frame arranged on the base and a top seat arranged on the die frame;
the fixed assembly is fixedly arranged on the top seat; the fixing assembly comprises two wedge-shaped blocks which are oppositely arranged at intervals, first guide surfaces are arranged on the wedge-shaped blocks, the first guide surfaces of the two wedge-shaped blocks are oppositely arranged, the first guide surfaces are inclined surfaces, and the distance between the two first guide surfaces is gradually increased towards the direction far away from the top seat;
the die core is movably arranged on the top seat and positioned between the two wedge-shaped blocks, and a forming groove is formed in the die core; the mold core comprises two separable mold core blocks, each mold core block is provided with a half-shaped groove, the half-shaped grooves on the two mold core blocks are matched to form the molding groove, each mold core block is provided with a first sliding surface, each first sliding surface is an inclined surface, and the first sliding surfaces are respectively in sliding fit with the first guide surfaces;
the movable mould is arranged on the top seat and is pressed in the forming groove in a pressing mode;
the ejection assembly comprises at least two first ejector rods, and the first ejector rods movably penetrate through the ejector bases and respectively movably abut against the core blocks.
2. The injection mold convenient for demolding as claimed in claim 1, wherein the mold frame comprises two support plates arranged at an interval, the two ends of each support plate are connected with the base and the top seat respectively, the two support plates, the base and the top seat are matched to form a movable space, and part of the first ejector rod is located in the movable space.
3. The injection mold convenient to demold of claim 2, wherein the top base is provided with a first movable hole for the first ejector rod to movably penetrate through.
4. The injection mold facilitating demolding of claim 2, wherein the ejection assembly further comprises a moving plate connected to each of the first ejector rods, the moving plate being located in the active space.
5. The injection mold convenient for demolding as claimed in claim 4, further comprising a driving mechanism for pushing the moving plate, wherein the base is provided with a position-letting opening for the driving mechanism to penetrate through.
6. The injection mold convenient for demolding as claimed in claim 1, further comprising two limiting blocks movably arranged on the top base, wherein the two limiting blocks are respectively located on two sides of the fixing assembly.
7. The injection mold convenient to drawing of patterns of claim 6, characterized in that, be equipped with the second spigot surface on the wedge, the second spigot surface is located the wedge and deviates from one side of first spigot surface, two on the wedge the second spigot surface deviates from the setting, the second spigot surface is the inclined plane, and two the distance between the second spigot surface reduces towards the direction of keeping away from the footstock gradually, be equipped with the second glide plane on the stopper, the second glide plane is the inclined plane, the second glide plane with the second spigot surface sliding fit.
8. The injection mold convenient for demolding as claimed in claim 7, wherein the ejection mechanism further comprises at least two second ejector rods, and the second ejector rods movably penetrate through the ejector bases and respectively movably abut against the limiting blocks.
9. The injection mold facilitating demolding according to claim 8, wherein a second movable hole through which the second ejector rod is inserted is formed in the top base.
10. The injection mold facilitating demolding as claimed in claim 1, wherein a through hole is formed in the movable mold, the through hole is communicated with the molding groove, and an injection nozzle is embedded in the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122940684.1U CN216804288U (en) | 2021-11-25 | 2021-11-25 | Injection mold convenient to drawing of patterns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122940684.1U CN216804288U (en) | 2021-11-25 | 2021-11-25 | Injection mold convenient to drawing of patterns |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216804288U true CN216804288U (en) | 2022-06-24 |
Family
ID=82049648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122940684.1U Expired - Fee Related CN216804288U (en) | 2021-11-25 | 2021-11-25 | Injection mold convenient to drawing of patterns |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216804288U (en) |
-
2021
- 2021-11-25 CN CN202122940684.1U patent/CN216804288U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220624 |
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| CF01 | Termination of patent right due to non-payment of annual fee |