CN113211742A - Direct-ejection extrusion plastic part deformation back-off mechanism of automobile bumper injection mold - Google Patents
Direct-ejection extrusion plastic part deformation back-off mechanism of automobile bumper injection mold Download PDFInfo
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- CN113211742A CN113211742A CN202110476247.0A CN202110476247A CN113211742A CN 113211742 A CN113211742 A CN 113211742A CN 202110476247 A CN202110476247 A CN 202110476247A CN 113211742 A CN113211742 A CN 113211742A
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- injection mold
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/44—Removing or ejecting moulded articles for undercut articles
- B29C45/4407—Removing or ejecting moulded articles for undercut articles by flexible movement of undercut portions of the articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a straight-top extrusion plastic part deformation undercut-removing mechanism of an automobile bumper injection mold, which comprises a lower compound plate, wherein a mold core is arranged on the lower compound plate, an ejector pin plate is arranged between the lower compound plate and the mold core, the straight-top extrusion undercut-removing mechanism also comprises a straight-top extrusion undercut-removing assembly, the straight-top extrusion undercut-removing assembly is arranged between the ejector pin plate and the mold core, and the straight-top extrusion undercut-removing mechanism comprises a straight ejector block for ejecting an injection molding part and an ejection driving assembly for driving the straight ejector block. The invention provides a straight-top extrusion plastic part deformation back-off mechanism of an automobile bumper injection mold, which is convenient for producing products with unexposed clamping lines, ensures that the products are separated from the back-off by extrusion deformation after a mold opening block is opened, realizes the demolding of the back-off products, simplifies the mold structure and reduces the mold cost.
Description
Technical Field
The invention relates to the relevant field of injection molds, in particular to a straight-top extrusion plastic part deformation back-off mechanism of an injection mold of an automobile bumper.
Background
Some plastic parts, because of the assembly requirements, typically require that the clip be not exposed, cannot be designed to be exposed by conventional methods, such as in automobile bumpers. Therefore, the injection molding product is usually designed with an external parting structure, and the product is separated from the back-off structure through the inclined ejection back-off mechanism, so that the ejection and the part taking of the product are completed, and the structure of the injection molding product has the following defects: the clamping line is exposed to influence the appearance, and the customer does not accept the exposed clamping line to influence the sale.
For example, in the Chinese patent document, "an injection mold and a straight ejection mechanism thereof" is disclosed, the publication No. CN106079295B, a counter bore perpendicular to the moving direction of the straight ejection block is arranged in the straight ejection block, an axially sliding piston is arranged in the counter bore, an elastic needle vertically extends from the end of the piston, a through groove is arranged in the piston, the through groove and the inner wall of the counter bore form a sealed closed cavity, a gear is arranged in the cavity, a rack meshed with the gear is arranged at the bottom of the through groove, wherein the straight ejection mechanism further comprises a transmission rod penetrating through the straight ejection rod, the transmission rod is fixed on the bottom plate of the mold, one section of the transmission rod is arranged in the straight ejection block and penetrates through the gear, one section of the transmission rod is arranged as a spiral section, a through hole meshed with the spiral section is arranged in the middle of the gear, the demoulding and the withdrawal resetting of the straight ejection needle in the straight ejection block are synchronous with the ejecting resetting process, however, the mechanism is difficult to eject products which are clamped and do not leak.
Disclosure of Invention
The invention aims to overcome the problems that the clamping line is exposed, the appearance is influenced, the sales is influenced and the like in the prior art, and provides the straight-top extrusion plastic part deformation back-off mechanism for the automobile bumper injection mold, which is convenient for producing products with the clamping line not exposed, so that the product is separated from the back-off through extrusion deformation after a mold opening block is carried out on the mold, the demolding of the back-off product is realized, the mold structure is simplified, and the mold cost is reduced.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a car bumper injection mold directly pushes up extrusion and moulds a deformation and take off back-off mechanism, includes lower multiple plate, is provided with the core under on the multiple plate, is provided with the thimble board down between multiple plate and core, still includes that the extrusion of directly pushing up takes off the back-off subassembly, the extrusion of directly pushing up takes off the back-off subassembly and sets up between thimble board and core, the extrusion of directly pushing up takes off the back-off structure including the straight kicking block that is used for ejecting injection molding and the ejecting drive assembly who is used for driving the straight kicking block.
In this technical scheme, the core is used for forming the injection molding, the thimble board takes off the back-off subassembly cooperation with straight ejection extrusion and ejecting with the product back-off, wherein straight kicking block is under ejecting drive assembly effect, straight kicking block possesses different stroke distance with straight ejector pin when ejecting, and to satisfying the injection molding that the double-layered line does not leak outward, it must be to have interior knot structure, direct ejecting generally is difficult to realize through traditional, and take off the back-off structure through straight ejection extrusion in this scheme and make the injection molding take place the extrusion deformation, and then ejecting with the injection molding, convenient operation is swift, and the demand of the product that the double-layered line does not leak outward has been satisfied.
Preferably, the ejection driving assembly comprises a straight ejector rod, a connecting slide block used for connecting the straight ejector rod and the straight ejector block, and a guide block used for controlling the movement direction of the straight ejector block, the lower end of the straight ejector rod is connected to the ejector plate, the upper end of the straight ejector rod is connected to the connecting slide block, the straight ejector block comprises a connecting block used for being connected with the ejection driving assembly, the side part of the straight ejector block is arranged on the guide block in a sliding mode, and the bottom of the straight ejector block is arranged on the connecting slide block in a sliding mode.
The straight ejector rod is used for being matched with the ejector plate, is convenient for jack-up under the ejector plate effect, and link block and guide block combined action, the ejecting direction of straight ejector block is changed to the guide block promptly, and link block makes straight ejector block take place to remove on horizontal, and then possess different stroke distance between with the guide rail, be convenient for extrude the injection molding ejecting, and simple structure has simplified the mould structure, has reduced the mould cost.
Preferably, the connecting sliding block comprises a sliding rail, a sliding groove is formed in the bottom of the connecting block, and the sliding rail and the sliding groove are arranged in a sliding mode.
The straight ejector block is ejected out and moves transversely under the action of the guide block, the transverse movement of the straight ejector block is limited by the arrangement of the slide rail, and the accuracy of the ejection track of the straight ejector block is improved.
Preferably, the connecting slide block further comprises a fixed block, the fixed block is arranged at the bottom of the slide rail, and the fixed block and the slide rail are arranged into an integrated structure; or the fixed block and the slide rail are arranged into a split structure.
The fixed block is used for connecting the straight ejector rod, and the fixed block and the slide rail are integrally arranged, so that the installation and the manufacture are convenient; and when the fixed block and the slide rail are arranged to be in a split type structure, the fixed block is made of an iron material, the slide rail is made of a copper material, the direct ejecting block is prevented from being clamped on the slide rail, and the cost is reduced due to the split type arrangement.
Preferably, the mold core is provided with a guide hole for the straight ejector rod to penetrate through, a guide sleeve for preventing the straight ejector rod from being clamped is arranged in the guide hole, the guide sleeves are arranged in pairs, and the paired guide sleeves are respectively arranged on the upper side and the lower side of the guide hole.
The setting of guiding hole is convenient for the core to carry on spacingly to the ejecting direction of guiding hole, and the uide bushing plays the guide effect to the ejector pin.
Preferably, the guide block is provided with a guide rail for controlling the ejection direction of the straight top block, the side portion of the straight top block is provided with a pulley, and the pulley is provided in the guide rail.
The arrangement of the pulley enables the straight ejection block to slide more smoothly and stably in the guide rail of the guide block.
Preferably, the guide rail comprises a straight rail, a left inclined rail and a right inclined rail which are sequentially arranged from bottom to top, the length of the right inclined rail is greater than that of the left inclined rail, and the length of the right inclined rail is greater than that of the straight rail.
In the ejection process of the straight ejection block, the straight ejection block firstly moves upwards along the rail to avoid being stuck, then moves leftwards along the left inclined rail to extrude the injection molding part to the inner side, and after the front mold and the rear mold are separated, the straight ejection block resets rightwards to the original position along the rail.
Preferably, the guide rail is a variable guide rail, the guide block comprises a base, a guide sliding strip and a plurality of movable blocks for driving the guide rail to deform, guide grooves for forming the guide rail are formed in the movable blocks, and the guide sliding strips are arranged in pairs and are respectively arranged on the left side and the right side of the guide grooves.
The guide rail sets up to variable guide rail, and to the car bumper or other injection molding of different shape structures, its direct top extruded application of force direction is different, can change the extruded application of force direction of direct top through the incline direction that changes the guide rail, changes the incline direction of guide rail through removing the movable block, and consequently the different injection molding of adaptation is convenient for in setting up of variable guide rail, and the commonality is high.
Therefore, the invention has the following beneficial effects: the product with the unexposed clamping line is convenient to produce, the product is separated from the inverted buckle through extrusion deformation after the die opening block is opened, the demoulding of the inverted buckle product is realized, the die structure is simplified, and the die cost is reduced.
Drawings
FIG. 1 is a schematic structural view of a straight-top extrusion trip assembly;
FIG. 2 is a schematic view of a portion of a straight-top extrusion undercut-removing mechanism of an injection mold;
FIG. 3 is a sectional view of the injection mold straight top extrusion undercut removing mechanism at the time of mold opening;
FIG. 4 is a cross-sectional view of the straight-top extrusion release mechanism of the injection mold during demolding;
FIG. 5 is a cross-sectional view of the straight-top extrusion release mechanism of the injection mold in the closed position;
FIG. 6 is a schematic view of the structure of a guide rail in embodiment 1;
FIG. 7 is a schematic view of the structure of a guide rail in embodiment 2;
FIG. 8 is a sectional view of a guide rail in embodiment 2;
in the figure: 1. the device comprises a straight ejector block 101, a connecting block 2, a guide block 201, a guide rail 2011, a straight rail 2012, a left inclined rail 2013, a right inclined rail 3, a connecting slide block 301, a fixed block 302, a slide rail 4, a straight ejector rod 5, a guide sleeve 6, a pulley 7, a lower duplicate plate 8, a mold foot 9, an ejector plate 901, an upper ejector plate 902, a lower ejector plate 10, a mold core 11, an upper duplicate plate 12, a hot runner plate 13, a cavity 14, an injection molding piece 15, a guide hole 16, a limiting groove 17, a moving block 1701, a guide groove 1702, a push rod 18, a guide slide bar 19 and a base.
Detailed Description
The invention is further described with reference to the following detailed description and accompanying drawings.
Example 1:
in embodiment 1 shown in fig. 1 and 2, a deformation undercut-removing mechanism for a straight-top extrusion molding of an injection mold of an automobile bumper comprises an upper compound plate 11 and a lower compound plate 7, a hot runner plate 12 is connected below the upper compound plate 11, a cavity 13 is arranged below the hot runner plate 12, a mold foot 8 is connected on the lower compound plate 7, a mold core 10 is connected on the mold foot 8, an ejector plate 9 is arranged between the cavity 13 and the lower compound plate 7, the ejector plate 9 comprises a lower ejector plate 902 arranged close to the lower compound plate 7 and an upper ejector plate 901 arranged close to the mold core 10, a straight-top undercut-removing assembly is arranged between the mold core 10 and the lower compound plate 7, the straight-top undercut-removing assembly comprises a straight ejector block 1 and an ejector driving assembly for driving the straight ejector block 1 to eject, the ejector driving assembly comprises a straight ejector rod 4 for ejecting, a connecting slide block 3 for connecting the straight ejector rod 4 and the straight ejector block 1, and a guide block 2 for controlling the movement direction of the straight ejector block 1, the straight ejecting block 1 comprises a connecting block 101 used for being connected with an ejecting driving assembly, the bottom of the connecting block 101 is connected with a connecting sliding block 3, a guide block 2 is fixed on the side wall of the connecting block 101, the guide block 2 is fixed on a mold core 10, a guide rail 201 used for guiding is arranged on the guide block 2, a pulley 6 is arranged on the side wall of the connecting block 101, and the pulley 6 is arranged in the guide rail 201 to realize sliding connection between the connecting block 101 and the guide block 2.
As shown in fig. 6, the guide rail 201 includes a straight rail 2011, a left inclined rail 2012 and a right inclined rail 2013 which are sequentially arranged from bottom to top, the length of the right inclined rail 2013 is greater than that of the left inclined rail 2012, and the length of the right inclined rail 2013 is also greater than that of the straight rail 2011. In the ejection process of the straight ejection block 1, the straight ejection block 1 firstly moves upwards along the rail to avoid being stuck, then moves leftwards along the left inclined rail 2012 to extrude the injection molding part 14 inwards, and after the front mold and the rear mold are separated, the straight ejection block 1 resets rightwards to the original position along the rail.
The upper end of the straight ejector rod 4 is fixed on the connecting slide block 3, and the lower end of the straight ejector rod 4 is fixed on the ejector plate 9. And be provided with guiding hole 15 on core 10, be provided with uide bushing 5 in guiding hole 15, fix the upper and lower both ends at guiding hole 15 at uide bushing 5, and the uide bushing 5 cover is established outside straight ejector pin 4, and uide bushing 5 plays the direction and makes the pain, and uide bushing 5 sets up to the copper product, avoids straight ejector pin 4 dead the inconvenience that causes of card in the direction process. In addition, the straight ejector rods 4 are arranged in pairs, and the straight ejector blocks 1 are relatively large, so that the stress of the straight ejector blocks 1 is more balanced by using the straight ejector rods 4 arranged in pairs.
The connecting sliding block 3 comprises a fixed block 301 and a sliding rail 302, the sliding rail 302 is arranged between the fixed block 301 and the straight top block 1, the sliding rail 302 is fixedly connected with the fixed block 301, the fixed block 301 is fixed on the mold core 10, a sliding groove is arranged at the bottom of the connecting block 101, the sliding rail 302 is arranged in the sliding groove to realize sliding connection between the connecting block 101 and the connecting sliding block 3, in addition, the sliding rail 302 and the fixed block 301 can be arranged into an integrated structure, namely the connecting sliding block 3 is of an integrated structure, and the whole connecting sliding block 3 is made of copper; or the slide rail 302 and the fixed block 301 are arranged to be of a split structure, wherein the slide rail 302 is made of copper, the straight top block 1 is prevented from being clamped in the moving process, and the fixed block 301 is made of iron, so that the cost is reduced. Further, the cross-section of slide rail 302 sets up to T type structure, and the spout sets up to the T-slot with slide rail 302 complex, is provided with the constant head tank in the upper end of fixed block 301, and the bottom of slide rail 302 sets up in the constant head tank, passes through bolted connection between fixed block 301 and the slide rail 302.
As shown in fig. 3, 4 and 5, in this technical solution, while the ejector plate 9 is ejected, the straight ejector rod 4 is driven to eject, and then the straight ejector block 1 is driven to eject upward, and under the action of the guide rail 201 and the slide rail 302, the straight ejector block 1 first moves upward along the rail to avoid being stuck, and then moves leftward along the left inclined rail 2012 to press the injection molding 14 inward, after the front and rear molds are separated, the straight ejector block 1 resets rightward along the rail to the original position, that is, the guide rail 201 has different stroke distances when the straight ejector block 1 and the straight ejector block 1 open the mold upward, and further the straight ejector block 1 completes mold extrusion deformation, so that the product is disengaged from the reverse buckle. In addition, the structure is mainly applied to the bumper, and the guide block 2 can be replaced according to different products, so that the mechanism can be adapted to different products.
Example 2:
as shown in fig. 7 and 8, the embodiment 2 is basically the same as the embodiment 1, except that: the guide rail 201 is arranged on the variable guide rail 201, the guide block 2 comprises a base 19, a guide sliding strip 18 and a plurality of moving blocks 17 for changing the guide rail 201, the moving blocks 17 comprise a guide groove 1701 for forming the variable guide rail 201 and a push rod 1702, the push rod 1702 is connected with a driving piece for driving the moving blocks 17 to move, the movement of the push rod 1702 is controlled according to a program, the guide sliding strips 18 are arranged in pairs and are respectively arranged at two sides of the guide groove 1701, in addition, the guide sliding strips 18 are made of soft materials and can be bent and deformed according to the position change of the moving blocks 17, the distance between the two guide sliding strips 18 is kept fixed due to the fact that the guide sliding strips 18 are fixed at two sides of the guide groove 1701, in addition, the adjacent moving blocks 17 are mutually jointed, the width of the guide groove 1701 is smaller than the diameter of the pulley 6, the precision of the guide rail 201 is improved, when in use, and different guide rails 201 are formed under the action of the moving block 17, so that the guide block 2 is adaptive to different injection-molded parts 14, and the universality is improved. In addition, the bottom of the moving block 17 is provided with a limiting slide block, a plurality of limiting grooves 16 are arranged on the base 19, and the limiting slide block is arranged in the limiting grooves 16 in a sliding mode.
In addition, in order to avoid the uneven side wall of the guide rail 201 formed by the guide slide bar 18 due to the guide groove 1701 obstructing the deformation of the guide slide bar 18, the side wall of the guide groove 1701 connected with the guide slide bar 18 is provided with a circular arc-shaped bulge, and the bulge direction faces the guide groove 1701, so that the guide slide bar 18 is convenient to deform, and the guide slide bar 18 is rotatably provided with the middle position of the circular arc-shaped bulge.
It should be noted that as used in the foregoing description, the terms "front," "back," "left," "right," "upper" and "lower" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
The above examples are merely illustrative of the present invention and are not intended to limit the scope of the present invention. Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a car bumper injection mold directly pushes up extrusion and moulds a deformation and take off back-off mechanism, includes lower multiple plate (7), is provided with core (10) on multiple plate (7) down, is provided with thimble board (9) between multiple plate (7) and core (10) down, characterized by still takes off the back-off subassembly including directly pushing up the extrusion, directly push up the extrusion and take off the back-off subassembly and set up between thimble board (9) and core (10), directly push up the extrusion and take off the back-off structure including being used for ejecting block (1) and being used for driving ejecting driving assembly ejecting injection molding piece (1).
2. The automobile bumper injection mold straight-top extrusion molding part deformation back-off mechanism is characterized in that the ejection driving assembly comprises a straight ejector rod (4), a connecting slide block (3) used for connecting the straight ejector rod (4) and a straight ejector block (1), and a guide block (2) used for controlling the movement direction of the straight ejector block (1), the lower end of the straight ejector rod (4) is connected to an ejector plate (9), the upper end of the straight ejector rod is connected to the connecting slide block (3), the straight ejector block (1) comprises a connecting block (101) used for being connected with the ejection driving assembly, the side part of the straight ejector block (1) is arranged on the guide block (2) in a sliding mode, and the bottom of the straight ejector block (1) is arranged on the connecting slide block (3) in a sliding mode.
3. The automobile bumper injection mold straight-top extrusion molding part deformation back-off mechanism is characterized in that the connecting slide block (3) comprises a slide rail (302), a slide groove is formed in the bottom of the connecting block (101), and the slide rail (302) is arranged in a sliding mode with the slide groove.
4. The automobile bumper injection mold straight-top extrusion molding part deformation back-off mechanism is characterized in that the connecting sliding block (3) further comprises a fixed block (301), the fixed block (301) is arranged at the bottom of the sliding rail (302), and the fixed block (301) and the sliding rail (302) are arranged into an integrated structure; or the fixed block (301) and the sliding rail (302) are arranged into a split structure.
5. The automobile bumper injection mold straight-top extrusion molding part deformation back-off mechanism is characterized in that a guide hole (15) for the straight ejector rod (4) to penetrate through is formed in the mold core (10), a guide sleeve (5) for preventing the straight ejector rod (4) from being clamped is arranged in the guide hole (15), the guide sleeves (5) are arranged in pairs, and the guide sleeves (5) in pairs are respectively arranged on the upper side and the lower side of the guide hole (15).
6. The deformation back-off mechanism of the straight-top extrusion molding piece of the injection mold of the automobile bumper is characterized in that a guide rail (201) for controlling the ejection direction of the straight-top block (1) is arranged on the guide block (2), a pulley (6) is arranged on the side part of the straight-top block (1), and the pulley (6) is arranged in the guide rail (201).
7. The automobile bumper injection mold straight-top extrusion plastic part deformation back-off mechanism as claimed in claim 6, wherein the guide rail (201) comprises a straight rail (2011), a left inclined rail (2012) and a right inclined rail (2013) which are sequentially arranged from bottom to top, the length of the right inclined rail (2013) is greater than that of the left inclined rail (2012), and the length of the right inclined rail (2013) is greater than that of the straight rail (2011).
8. The automobile bumper injection mold straight-top extrusion molding part deformation back-off mechanism is characterized in that the guide rail (201) is set as a variable guide rail (201), the guide block (2) comprises a base (19), a guide sliding strip (18) and a plurality of movable blocks (17) for driving the guide rail (201) to deform, guide grooves (1701) for forming the guide rail (201) are formed in the movable blocks (17), and the guide sliding strips (18) are arranged in pairs and are respectively arranged on the left side and the right side of the guide grooves (1701).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110476247.0A CN113211742B (en) | 2021-04-29 | 2021-04-29 | Direct-ejection extrusion plastic part deformation back-off mechanism of automobile bumper injection mold |
| PCT/CN2021/133380 WO2022227546A1 (en) | 2021-04-29 | 2021-11-26 | Direct-ejection extrusion injection-molded member deformation undercut-releasing mechanism of automobile bumper injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110476247.0A CN113211742B (en) | 2021-04-29 | 2021-04-29 | Direct-ejection extrusion plastic part deformation back-off mechanism of automobile bumper injection mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113211742A true CN113211742A (en) | 2021-08-06 |
| CN113211742B CN113211742B (en) | 2023-03-24 |
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| CN202110476247.0A Active CN113211742B (en) | 2021-04-29 | 2021-04-29 | Direct-ejection extrusion plastic part deformation back-off mechanism of automobile bumper injection mold |
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| Country | Link |
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| CN (1) | CN113211742B (en) |
| WO (1) | WO2022227546A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022227546A1 (en) * | 2021-04-29 | 2022-11-03 | 浙江凯华模具有限公司 | Direct-ejection extrusion injection-molded member deformation undercut-releasing mechanism of automobile bumper injection mold |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115723306B (en) * | 2023-01-06 | 2023-05-16 | 赫比(苏州)通讯科技有限公司 | Injection molding insert ejection device |
| CN116100768B (en) * | 2023-01-09 | 2024-06-21 | 余姚市德沃斯模具科技有限公司 | Mould structure of window frame plastic products behind car |
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| CN106313451A (en) * | 2016-11-15 | 2017-01-11 | 昆山鸿永盛模具有限公司 | Unscrewing mold stripping mechanism |
| CN207327512U (en) * | 2017-04-16 | 2018-05-08 | 宁波神通模塑有限公司 | A kind of mould slanting tip device |
| CN207327499U (en) * | 2017-04-16 | 2018-05-08 | 宁波神通模塑有限公司 | A kind of mould slanting tip device |
| CN209224511U (en) * | 2018-11-23 | 2019-08-09 | 天津银宝山新科技有限公司 | A kind of harmomegathus component |
| CN210651746U (en) * | 2019-08-12 | 2020-06-02 | 华域视觉科技(上海)有限公司 | Back-off demoulding mechanism and injection mould |
| CN212684620U (en) * | 2020-06-04 | 2021-03-12 | 上海天海电子有限公司 | Internal division mold |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022227546A1 (en) * | 2021-04-29 | 2022-11-03 | 浙江凯华模具有限公司 | Direct-ejection extrusion injection-molded member deformation undercut-releasing mechanism of automobile bumper injection mold |
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| CN113211742B (en) | 2023-03-24 |
| WO2022227546A1 (en) | 2022-11-03 |
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