CN223290226U - Arc core pulling mechanism of plastic sofa chair injection mold - Google Patents
Arc core pulling mechanism of plastic sofa chair injection moldInfo
- Publication number
- CN223290226U CN223290226U CN202421896495.6U CN202421896495U CN223290226U CN 223290226 U CN223290226 U CN 223290226U CN 202421896495 U CN202421896495 U CN 202421896495U CN 223290226 U CN223290226 U CN 223290226U
- Authority
- CN
- China
- Prior art keywords
- arc
- core pulling
- plate
- core
- pulling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model provides an arc core pulling mechanism of an injection mold of a plastic couch, and belongs to the technical field of molds. The core pulling device comprises an upper die plate and a lower die plate, wherein a forming cavity is arranged between the upper die plate and the lower die plate, the lower die plate is provided with four side walls, and one side wall is a core pulling side. The core pulling side of the lower template is inserted into a first arc core pulling plate and a second arc core pulling plate in the forming cavity, two arc splicing grooves can be formed in the armrests directly during injection molding, post-processing is not needed, accordingly production efficiency of the armrests of the sofa can be improved, after the armrests are subjected to injection molding, the first arc core pulling assembly and the second arc core pulling assembly can be respectively driven to be pulled out of the core pulling side of the lower template, so that products are convenient to eject out, after the products are subjected to injection molding, an external oil cylinder driving mechanism can drive a top plate to vertically move upwards, and the top plate can vertically move upwards to apply oblique thrust towards the core pulling side to the products through the oblique ejection assembly.
Description
Technical Field
The utility model belongs to the technical field of molds, and relates to an arc core pulling mechanism of an injection mold of a plastic couch.
Background
The chair body and the armrests of the plastic sofa are generally molded separately through two pairs of molds, the chair body and the armrests are spliced after being molded separately, a large number of arc-shaped parts are arranged on the chair body and the armrests of the plastic sofa for improving comfort, arc-shaped splicing parts are generally adopted at the connecting parts of the chair body and the armrests, at present, when the armrests are produced, arc-shaped groove bodies used for splicing on the armrests cannot be molded by one-step injection molding of a core-pulling structure when the armrest main body is molded, and after the armrests are molded and taken out from the molds, the arc-shaped groove bodies are processed on the armrests in the modes of cutting, drilling, polishing and the like, so that the production efficiency is low.
The injection mold for forming the integral chair armrest is disclosed in China patent publication No. 201822124812.3, and comprises a base, a lower mold base, an upper mold base, a lower mold core, an upper mold core and an ejection mechanism, wherein the lower mold base is fixed above the base, a pouring opening is arranged on the upper mold base, a hot runner is detachably arranged in the middle of the upper mold base and communicated with the pouring opening, the lower mold core is fixed on the surface of the lower mold base, the upper mold core is fixed on the bottom surface of the upper mold base and is positioned above the lower mold core, and two cavities matched with the integral chair armrest are formed between the upper mold core and the lower mold core in a surrounding mode.
Disclosure of utility model
The utility model aims to solve the problems and provides an arc core pulling mechanism of an injection mold of a plastic sofa.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a plastics couch injection mold arc mechanism of loosing core, includes cope match-plate pattern and lower bolster, cope match-plate pattern and lower bolster between be equipped with the shaping die cavity, the lower bolster have four lateral walls and one of them lateral wall be the side of loosing core, the lower bolster on be equipped with from the side of loosing core insert to the shaping die cavity in arc core board and No. two arc core boards of taking out, the side of loosing core still be equipped with respectively with arc core component and No. two arc core components that link to each other of arc core board and No. two arc core boards, the lower bolster downside still be equipped with the roof through external hydro-cylinder actuating mechanism driven, the lower bolster on still be equipped with the ejecting subassembly of slope that links to each other with the roof.
In the arc core pulling mechanism of the plastic couch injection mold, the first arc core pulling assembly comprises a first core pulling seat fixed on the core pulling side, the first core pulling seat is arc-shaped, the first core pulling seat is provided with a first arc chute with the radian identical to that of the first arc core pulling plate, and the first core pulling seat is also provided with a first self-walking driving assembly capable of driving the first arc core pulling plate to slide along the first arc chute.
In the plastic sofa injection mold arc core pulling mechanism, the first self-walking driving assembly comprises a first arc tooth seat which is arranged at the top of the first core pulling seat in a protruding mode and has the same radian as that of the first arc core pulling plate, a tooth form is arranged on the outer side wall of the first arc tooth seat, the first self-walking seat fixedly connected with the outer side of the first arc core pulling plate is further arranged on the upper side of the first core pulling seat, the first self-walking seat and the first arc core pulling plate are respectively arranged on two sides of the first arc tooth seat, the first self-walking driver is fixedly connected on the first arc tooth seat, a first walking gear is fixedly connected at the end portion of an output shaft of the first self-walking driver, and the tooth form on the first walking gear and the first arc tooth seat are meshed.
In the arc core pulling mechanism of the plastic sofa injection mold, the second arc core pulling assembly comprises a second core pulling seat fixed on the core pulling side, the second core pulling seat is arc-shaped, a second arc sliding groove with the radian identical to that of the second arc core pulling plate is formed in the second core pulling seat, and a second self-walking driving assembly capable of driving the second arc core pulling plate to slide along the second arc sliding groove is further arranged on the second core pulling seat.
In the plastic sofa injection mold arc core pulling mechanism, the second self-walking driving assembly comprises a second arc tooth seat which is arranged at the top of the second core pulling seat in a protruding mode and has the same radian as that of the second arc core pulling plate, tooth shapes are arranged on the outer side wall of the second arc tooth seat, the second self-walking seat fixedly connected with the outer side of the second arc core pulling plate is further arranged on the upper side of the second arc core pulling plate, the second self-walking seat and the second arc core pulling plate are respectively arranged on two sides of the second arc tooth seat, the second self-walking driver is fixedly connected on the second arc tooth seat, a second walking gear is fixedly connected at the end portion of an output shaft of the second self-walking driver, and tooth shapes on the second walking gear and the second arc tooth seat are meshed.
In the plastic couch injection mold arc core-pulling mechanism, the radian of the first arc-shaped core-pulling plate is larger than that of the second arc-shaped core-pulling plate, and the bending directions of the first arc-shaped core-pulling plate and the second arc-shaped core-pulling plate are the same.
In the plastic sofa injection mold arc core-pulling mechanism, the other three side walls on the lower template are also provided with three side core-pulling plates connected with the forming cavity, the section of the inner end face of the side core-pulling plate is arc-shaped, the inner end faces of the two side core-pulling plates are matched with the outer side walls of the first arc core-pulling plate and the second arc core-pulling plate, and the upper template is also provided with a core-pulling structure capable of driving the three side core-pulling plates to move towards the direction far away from the forming cavity.
In the arc core pulling mechanism of the plastic couch injection mold, the core pulling structure comprises three groups of driving pieces which are arranged corresponding to the three side core pulling plates, the driving pieces comprise driving rods which are obliquely fixed on the upper template, and the driving rods are obliquely inserted into the side core pulling plates and are in sliding connection with the side core pulling plates.
In the arc core pulling mechanism of the plastic sofa injection mold, the inclined ejection assembly comprises a middle inclined ejector block arranged in the middle of the lower template and an outer inclined ejector block arranged on one side of the lower template away from the core pulling side, the inner end face of the side core pulling plate positioned on the opposite side of the core pulling side is matched with the outer end face of the outer inclined ejector block, the middle inclined ejector block and the outer inclined ejector block are connected with the top plate through two inclined ejector rods, and the top ends of the inclined ejector rods incline towards the core pulling side.
In the arc core pulling mechanism of the plastic couch injection mold, the external oil cylinder driving mechanism comprises two lifting oil cylinders symmetrically arranged on two sides of the lower template, wherein the lifting oil cylinders are fixed on the top plate, and an output shaft of each lifting oil cylinder penetrates through the top plate and is fixedly connected with a bottom plate arranged on the lower side of the top plate.
Compared with the prior art, the utility model has the advantages that:
1. The core pulling side of the lower template is inserted into a first arc core pulling plate and a second arc core pulling plate in the forming cavity, two arc splicing grooves can be formed in the armrests directly during injection molding, post-processing is not needed, accordingly production efficiency of the armrests of the sofa can be improved, after the armrests are subjected to injection molding, the first arc core pulling assembly and the second arc core pulling assembly can be respectively driven to be pulled out of the core pulling side of the lower template, so that products are convenient to eject out, after the products are subjected to injection molding, an external oil cylinder driving mechanism can drive a top plate to vertically move upwards, and the top plate can vertically move upwards to apply oblique thrust towards the core pulling side to the products through the oblique ejection assembly.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
FIG. 1 is a schematic view of the external structure of the present utility model;
FIG. 2 is a schematic view of the structure of the lower die plate;
FIG. 3 is a schematic view of a partial structure of the lower die plate;
fig. 4 is a partial structural schematic diagram of the present utility model.
Detailed Description
As shown in fig. 1-4, an arc core pulling mechanism of an injection mold of a plastic couch comprises an upper mold plate 1 and a lower mold plate 2, a molding cavity 3 is arranged between the upper mold plate 1 and the lower mold plate 2, the lower mold plate 2 is provided with four side walls, one side wall is a core pulling side 4, the lower mold plate 2 is provided with a first arc core pulling plate 5 and a second arc core pulling plate 6 which are inserted into the molding cavity 3 from the core pulling side 4, the core pulling side 4 is also provided with a first arc core pulling assembly 7 and a second arc core pulling assembly 8 which are respectively connected with the first arc core pulling plate 5 and the second arc core pulling plate 6, the lower side of the lower mold plate 2 is also provided with a top plate 9 which is driven by an external oil cylinder driving mechanism, and the lower mold plate 2 is also provided with an inclined ejection assembly 10 which is connected with the top plate 9.
According to the utility model, the first arc-shaped core drawing plate and the second arc-shaped core drawing plate which are inserted into the forming cavity from the core drawing side of the lower die plate can be directly formed into two arc-shaped splicing grooves in the armrests during injection molding without post-processing, so that the production efficiency of the armrests of the couch can be improved, after the injection molding of the armrests, the first arc-shaped core drawing assembly and the second arc-shaped core drawing assembly can respectively drive the first arc-shaped core drawing plate and the second arc-shaped core drawing plate to be drawn out from the core drawing side of the lower die plate, so that products are conveniently ejected, and after the injection molding of the products, the external oil cylinder driving mechanism can drive the top plate 9 to vertically move upwards, and the vertical upward movement of the top plate can apply oblique pushing force towards the core drawing side to the products through the oblique ejection assembly 10.
Specifically speaking, an arc core-pulling assembly 7 is including fixing a seat 11 of loosing core on loosing core side 4, a seat 11 of loosing core be the arc and a seat 11 of loosing core on have the radian with an arc spout 12 the same as an arc core-pulling board 5 radian, a seat 11 of loosing core on still be equipped with a number of drive assembly that walks by oneself that can drive an arc core-pulling board 5 along an arc spout 12 gliding. The first arc-shaped core drawing board 5 can be driven to slide along the first arc-shaped sliding groove 12 with the radian identical to that of the first arc-shaped core drawing board 5 through the first self-walking driving component, so that the first arc-shaped core drawing board 5 and handrail products can be separated without damage.
Specifically speaking, the first self-walking driving component comprises a first arc-shaped tooth seat 13 which is arranged at the top of a first core drawing seat 11 in a protruding manner and has the same radian as that of a first arc-shaped core drawing plate 5, the outer side wall of the first arc-shaped tooth seat 13 is provided with a tooth shape, a first self-walking seat 14 which is fixedly connected with the outer end of the first arc-shaped core drawing plate 5 is further arranged on the upper side of the first core drawing seat 11, the first self-walking seat 14 and the first arc-shaped core drawing plate 5 are respectively arranged on two sides of the first arc-shaped tooth seat 13, a first self-walking driver 15 is fixedly connected to the first arc-shaped tooth seat 13, a first walking gear 16 is fixedly connected to the end part of an output shaft of the first self-walking driver 15, and the tooth shapes on the first walking gear 16 and the first arc-shaped tooth seat 13 are meshed. The first self-walking driver 15 can drive the first walking gear 16 to rotate, the first walking gear 16 rotates to match with the tooth shape of the side part of the first arc tooth holder 13 to drive the first arc tooth holder 13 to move along the first arc tooth holder 13 with the same radian as the first arc core drawing board 5, and accordingly the first arc core drawing board 5 can be driven to slide along the first arc sliding groove 12 to realize automatic core pulling.
It will be appreciated by those skilled in the art that the first self-propelled drive 15 may be a rotary cylinder or motor, or the like.
Specifically speaking, no. two arc core-pulling assembly 8 including fixing No. two core-pulling seat 17 on the side of loosing core 4, no. two core-pulling seat 17 be the arc and No. two have No. two arc spouts 18 that the radian is the same with No. two arc core-pulling plate 6 radians on the No. two core-pulling seat 17, no. two core-pulling seat 17 on still be equipped with and drive No. two arc core-pulling plate 6 along No. two arc spouts 18 gliding No. two walk drive assembly. The second arc-shaped drawing core board can be driven to slide along the second arc-shaped sliding groove with the radian identical to that of the second arc-shaped drawing core board through the second self-walking driving assembly, so that the second arc-shaped drawing core board and the handrail product can be separated without damage.
The second self-walking driving assembly comprises a second arc-shaped tooth seat 19 which is arranged at the top of the second core-pulling seat 17 in a protruding mode and has the same radian as that of the second arc-shaped core-pulling plate 6, tooth shapes are formed in the outer side wall of the second arc-shaped tooth seat 19, a second self-walking seat 20 which is fixedly connected with the outer side of the second arc-shaped core-pulling plate 6 is further arranged on the upper side of the second core-pulling seat 17, the second self-walking seat 20 and the second arc-shaped core-pulling plate 6 are respectively arranged on two sides of the second arc-shaped tooth seat 19, a second self-walking driver 21 is fixedly connected to the second arc-shaped tooth seat 19, and a second walking gear 22 is fixedly connected to the end portion of an output shaft of the second self-walking driver 21, and tooth shapes on the second walking gear 22 and the second arc-shaped tooth seat 19 are meshed.
The second self-walking driver can drive the second walking gear to rotate, the second walking gear is in running fit with the tooth shape of the side part of the second arc tooth holder, and the second arc tooth holder can be driven to move along the second arc tooth holder which is the same as the radian of the second arc core drawing board, so that the second arc core drawing board can be driven to slide along the second arc sliding groove to realize automatic core pulling.
It will be appreciated by those skilled in the art that the second self-propelled drive may be a rotary cylinder or motor, or the like.
Specifically, the radian of the first arc-shaped core drawing board 5 is larger than that of the second arc-shaped core drawing board 6, and the bending directions of the first arc-shaped core drawing board 5 and the second arc-shaped core drawing board 6 are the same.
Specifically, three side core drawing plates 23 connected with the forming cavity 3 are further arranged on the other three side walls of the lower die plate 2, the section of the inner end surface of each side core drawing plate 23 is arc-shaped, the inner end surfaces of the two side core drawing plates 23 are matched with the outer side walls of the first arc core drawing plate 5 and the second arc core drawing plate 6, and a core pulling structure capable of driving the three side core drawing plates 23 to move in the direction away from the forming cavity 3 is further arranged on the upper die plate 1. The three side core-pulling plates can form arc side walls of other three sides of the handrail, and when the upper template and the lower template are separated, the three side core-pulling plates can be driven to move in the direction away from the forming cavity through the core-pulling structure, so that the side core-pulling plates are separated from the handrail product, and the product is ejected and demoulded conveniently.
Specifically, the core pulling structure comprises three groups of driving members which are arranged corresponding to the three side core pulling plates 23, the driving members comprise driving rods 24 which are obliquely fixed on the upper template 1, and the driving rods 24 are obliquely inserted into the side core pulling plates 23 and are in sliding connection with the side core pulling plates 23. When the upper die plate moves upwards, the driving rod 24 which is obliquely arranged can be driven to vertically move upwards, and the driving rod can drive the side-drawing core plate to move in the direction away from the forming cavity.
Specifically, the inclined ejection assembly 10 includes a middle inclined ejection block 25 disposed in the middle of the lower die plate 2 and an outer inclined ejection block 26 disposed on one side of the lower die plate 2 away from the core pulling side 4, the inner end surface of the side core pulling plate 23 located on the opposite side of the core pulling side 4 is adapted to the outer end surface of the outer inclined ejection block 26, the middle inclined ejection block 25 and the outer inclined ejection block 26 are connected with the top plate 9 through two inclined ejection rods 27, and the top ends of the inclined ejection rods 27 incline towards the core pulling side 4. When the top plate moves upwards, the middle inclined top block 25 and the outer inclined top block 26 can be driven by the inclined top rod to move upwards obliquely towards the direction close to the core pulling side, so that upward inclined thrust can be applied to the product.
Specifically, the external oil cylinder driving mechanism comprises two lifting oil cylinders 28 symmetrically arranged on two sides of the lower template 2, wherein the lifting oil cylinders 28 are fixed on the top plate 9, and an output shaft of each lifting oil cylinder 28 penetrates through the top plate 9 and is fixedly connected with a bottom plate arranged on the lower side of the top plate 9. The two lifting cylinders can drive the top plate to lift along the vertical direction.
The working principle of the utility model is as follows: the first arc core-pulling plate and the second arc core-pulling plate which are inserted into the forming cavity from the core-pulling side of the lower die plate can directly form two arc splicing grooves in the armrest during injection molding without post-processing, so that the production efficiency of the sofa armrest can be improved, after the armrest is subjected to injection molding, the first arc core-pulling assembly and the second arc core-pulling assembly can respectively drive the first arc core-pulling plate and the second arc core-pulling plate to be outwards pulled out from the core-pulling side of the lower die plate so as to facilitate ejection of a product, after the product is subjected to injection molding, the external oil cylinder driving mechanism can drive the top plate 9 to vertically move upwards, and the vertical upward movement of the top plate can apply oblique thrust towards the core-pulling side to the product through the oblique ejection assembly 10;
The first self-walking driving assembly can drive the first arc-shaped core drawing board 5 to slide along the first arc chute 12 with the same radian as the first arc-shaped core drawing board 5, so that the first arc-shaped core drawing board 5 and handrail products can be separated from each other without damage, the first self-walking driver 15 can drive the first walking gear 16 to rotate, the first walking gear 16 is rotationally matched with the tooth form of the side part of the first arc-shaped tooth seat 13 to drive the first arc-shaped tooth seat 13 to move along the first arc-shaped tooth seat 13 with the same radian as the first arc-shaped core drawing board 5, and accordingly the first arc-shaped core drawing board 5 can be driven to slide along the first arc chute 12 to realize automatic core pulling, the second arc-shaped core drawing board can be driven to slide along the second arc chute with the same radian as the second arc-shaped core drawing board, the second self-walking driver can drive the second arc-shaped core drawing board and handrail products to rotate without damage, and the second walking gear is rotationally matched with the tooth form of the side part of the second arc-shaped tooth seat can drive the second arc-shaped tooth seat to move along the second arc-shaped tooth seat with the same radian as the second arc-shaped core drawing board to automatically slide along the second arc-shaped chute;
The three side core drawing boards can form arc side walls of other three sides of the handrail, and when the upper template and the lower template are separated, the three side core drawing boards can be driven to move in the direction away from the forming cavity through the core drawing structure, so that the side core drawing boards and handrail products are separated, the products are ejected and demoulded conveniently, when the upper template moves upwards, the driving rod 24 which is obliquely arranged can be driven to vertically move upwards, the driving rod vertically moves upwards to drive the side core drawing boards to move in the direction away from the forming cavity, when the top plate moves upwards, the middle oblique jacking block 25 and the outer oblique jacking block 26 can be driven to move upwards obliquely towards the direction close to the core drawing side through the oblique jacking rod, and accordingly oblique upward thrust can be applied to the products, and the two lifting oil cylinders can drive the top plate to lift in the vertical direction.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (10)
1. The utility model provides a plastics couch injection mold arc mechanism of loosing core, includes cope match-plate pattern (1) and lower bolster (2), its characterized in that, cope match-plate pattern (1) and lower bolster (2) between be equipped with shaping chamber (3), lower bolster (2) have four lateral walls and one of them lateral wall be core-pulling side (4), lower bolster (2) on be equipped with from core-pulling side (4) insert to shaping intracavity (3) arc core-pulling plate (5) and No. two arc core-pulling plate (6), core-pulling side (4) still be equipped with respectively with arc core-pulling plate (5) and No. two arc core-pulling plate (6) continuous arc core-pulling assembly (7) and No. two arc core-pulling plate (8), lower bolster (2) downside still be equipped with roof (9) through external hydro-cylinder actuating mechanism drive, lower bolster (2) on still be equipped with roof (9) continuous slope ejection assembly (10).
2. The arc core pulling mechanism of the injection mold of the plastic couch of claim 1, wherein the arc core pulling assembly (7) comprises a core pulling seat (11) fixed on the core pulling side (4), the core pulling seat (11) is arc-shaped, the core pulling seat (11) is provided with an arc chute (12) with the radian identical to that of the arc core pulling plate (5), and the core pulling seat (11) is also provided with a self-walking driving assembly capable of driving the arc core pulling plate (5) to slide along the arc chute (12).
3. The plastic couch injection mold arc core pulling mechanism of claim 2, wherein the first self-walking driving assembly comprises a first arc tooth holder (13) which is arranged at the top of the first core pulling seat (11) in a protruding manner and has the same radian as the first arc core pulling plate (5), tooth shapes are formed on the outer side wall of the first arc tooth holder (13), a first self-walking seat (14) which is fixedly connected with the outer side of the first arc core pulling plate (5) is further arranged on the upper side of the first core pulling seat (11), the first self-walking seat (14) and the first arc core pulling plate (5) are respectively arranged on two sides of the first arc tooth holder (13), a first self-walking driver (15) is fixedly connected to the first arc tooth holder (13), a first walking gear (16) is fixedly connected to the end part of an output shaft of the first self-walking driver (15), and tooth shapes on the first walking gear (16) and the first arc tooth holder (13) are meshed.
4. The arc core pulling mechanism of the injection mold of the plastic couch of claim 1, wherein the second arc core pulling assembly (8) comprises a second core pulling seat (17) fixed on the core pulling side (4), the second core pulling seat (17) is arc-shaped, the second core pulling seat (17) is provided with a second arc sliding groove (18) with the radian identical to that of the second arc core pulling plate (6), and the second core pulling seat (17) is also provided with a second self-walking driving assembly capable of driving the second arc core pulling plate (6) to slide along the second arc sliding groove (18).
5. The plastic couch injection mold arc core pulling mechanism of claim 4, wherein the second self-walking driving assembly comprises a second arc tooth holder (19) which is arranged on the top of the second core pulling seat (17) in a protruding manner and has the same radian as the second arc core pulling plate (6), the outer side wall of the second arc tooth holder (19) is provided with a tooth form, the upper side of the second core pulling seat (17) is also provided with a second self-walking seat (20) which is fixedly connected with the outer end of the second arc core pulling plate (6), the second self-walking seat (20) and the second arc core pulling plate (6) are respectively arranged on two sides of the second arc tooth holder (19), a second self-walking driver (21) is fixedly connected on the second arc tooth holder (19), the end part of an output shaft of the second self-walking driver (21) is fixedly connected with a second walking gear (22), and the tooth form on the second arc tooth holder (19) is meshed.
6. The arc core pulling mechanism of the injection mold of the plastic couch of claim 1, wherein the radian of the first arc core pulling plate (5) is larger than that of the second arc core pulling plate (6), and the bending directions of the first arc core pulling plate (5) and the second arc core pulling plate (6) are the same.
7. The arc core pulling mechanism of the plastic couch injection mold according to claim 1, wherein three side core pulling plates (23) connected with the molding cavity (3) are further arranged on the other three side walls on the lower mold plate (2), the section of the inner end surfaces of the side core pulling plates (23) is arc-shaped, the inner end surfaces of the two side core pulling plates (23) are matched with the outer side walls of the first arc core pulling plate (5) and the second arc core pulling plate (6), and the upper mold plate (1) is further provided with a core pulling structure capable of driving the three side core pulling plates (23) to move away from the molding cavity (3).
8. The arc core pulling mechanism of the injection mold of the plastic couch of claim 7, wherein the core pulling structure comprises three groups of driving pieces which are arranged corresponding to the three side core pulling plates (23), the driving pieces comprise driving rods (24) which are obliquely fixed on the upper mold plate (1), and the driving rods (24) are obliquely inserted into the side core pulling plates (23) and are in sliding connection with the side core pulling plates (23).
9. The arc core pulling mechanism of the injection mold of the plastic couch of claim 7, wherein the inclined ejection assembly (10) comprises a middle inclined ejector block (25) arranged in the middle of the lower mold plate (2) and an outer inclined ejector block (26) arranged on one side, far away from the core pulling side (4), of the lower mold plate (2), the inner end face of the side core pulling plate (23) positioned on the opposite side of the core pulling side (4) is matched with the outer end face of the outer inclined ejector block (26), the middle inclined ejector block (25) and the outer inclined ejector block (26) are connected with the top plate (9) through two inclined ejector rods (27), and the top ends of the inclined ejector rods (27) incline towards the direction of the core pulling side (4).
10. The arc core pulling mechanism of the injection mold of the plastic couch of claim 9, wherein the external oil cylinder driving mechanism comprises two lifting oil cylinders (28) symmetrically arranged on two sides of the lower template (2), the lifting oil cylinders (28) are fixed on the top plate (9), and an output shaft of each lifting oil cylinder (28) penetrates through the top plate (9) and is fixedly connected with a bottom plate arranged on the lower side of the top plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421896495.6U CN223290226U (en) | 2024-08-06 | 2024-08-06 | Arc core pulling mechanism of plastic sofa chair injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421896495.6U CN223290226U (en) | 2024-08-06 | 2024-08-06 | Arc core pulling mechanism of plastic sofa chair injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223290226U true CN223290226U (en) | 2025-09-02 |
Family
ID=96871194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421896495.6U Active CN223290226U (en) | 2024-08-06 | 2024-08-06 | Arc core pulling mechanism of plastic sofa chair injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223290226U (en) |
-
2024
- 2024-08-06 CN CN202421896495.6U patent/CN223290226U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209937570U (en) | Internal parting mold and demolding mechanism thereof | |
| CN223290226U (en) | Arc core pulling mechanism of plastic sofa chair injection mold | |
| CN216032158U (en) | Plastic injection chair mold with shear-free gate mechanism | |
| CN219256338U (en) | Arc cylinder core-pulling mechanism of plastic couch armrest mould | |
| CN212795716U (en) | Oblique ejection die | |
| CN220923213U (en) | Straight-inclined block compound synchronous ejection demoulding mechanism of child plastic toilet cistern injection mould | |
| CN220261846U (en) | One-out-two efficient injection molding mold for plastic chair | |
| CN222742055U (en) | High-gloss injection molding mold for electric vehicle headlight decoration | |
| CN211165129U (en) | Small sliding block driving large sliding block core pulling mechanism for box body mold of complex glove box of passenger vehicle | |
| CN109774069B (en) | Demolding mechanism for one-out-two three-way internal thread pipe fitting mold | |
| CN216032157U (en) | Plastic table foot injection mold based on long sliding block parallel core pulling technology | |
| CN222712748U (en) | Plastic chair mould with integrated large-angle ejection mechanism | |
| CN221022123U (en) | Chair mold with movable mold multi-action ejection function | |
| CN220314042U (en) | Large slide block side-drawing demoulding mechanism of automobile door plate upper decorative plate mould | |
| CN220700299U (en) | Ejector mechanism without top plate for automobile bumper die | |
| CN223290248U (en) | Secondary ejection mold for electric vehicle plastic parts | |
| CN222875165U (en) | Multilayer slider core-pulling structure of injection mold of plastic turnover box | |
| CN219564027U (en) | Diagonal pouring mechanism of injection mold for pedal of electric vehicle | |
| CN219213991U (en) | Embedded demoulding mechanism of injection mould of electric vehicle tail box | |
| CN222645248U (en) | Composite inclined lift mechanism for dual-color headlamp mirror mold | |
| CN219903214U (en) | Large slide block demoulding mechanism for straight and inclined ejection of electric vehicle rear mudguard mould | |
| CN220681453U (en) | Front fork mould of carbon fiber pedal | |
| CN221391998U (en) | Upper cover die structure of tail box of electric vehicle | |
| CN223099824U (en) | A multi-layer sleeve core pulling mechanism for injection mold | |
| CN222360562U (en) | Plastic chair mold with inner core pulling mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |