CN111730827A - Fixed die ejection mechanism - Google Patents
Fixed die ejection mechanism Download PDFInfo
- Publication number
- CN111730827A CN111730827A CN202010721731.0A CN202010721731A CN111730827A CN 111730827 A CN111730827 A CN 111730827A CN 202010721731 A CN202010721731 A CN 202010721731A CN 111730827 A CN111730827 A CN 111730827A
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- China
- Prior art keywords
- connecting rod
- fixed die
- clamping piece
- movable
- fixed
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Classifications
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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
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
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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
- B29C2045/4094—Ejectors located on the fixed mould half
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
A fixed die ejection mechanism comprises a fixed die panel and a movable die frame, wherein a fixed die top plate is arranged on the fixed die panel, and a movable die core is arranged on the movable die frame; an inclined ejection mechanism is arranged between the fixed die top plate and the movable die core, and a connecting mechanism is arranged between the fixed die top plate and the movable die frame; the connecting mechanism comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is fixedly connected with the movable mold frame, and the other end of the first connecting rod is fixedly connected with the second connecting rod; the one end that the second connecting rod kept away from first connecting rod carry out the joint through the joint structure with the cover half roof, drive cover half and movable mould opening process at the injection molding machine the joint structure break away from the joint and make to push up the mechanism realization ejecting to the cover half to one side. The fixed die lifter has the advantages that the fixed die lifter is ejected out through the opening action of the injection molding machine, an oil cylinder and an oil way are not needed, the structure is simple, and the cost is low.
Description
Technical Field
The application relates to the technical field of ejection mechanisms of automobile molds, in particular to a fixed mold ejection mechanism.
Background
The traditional fixed die ejection structure, particularly the inclined ejection mechanism, is very complex in general structure, and an oil cylinder is required to be designed to provide a power source for the inclined ejection mechanism, so that oil ways and other mechanisms need to be designed in a die, and the fixed die ejection structure is very complex; in addition, since a complicated mechanism such as a top plate is required, opening and closing of the mold is affected, and the cost is increased.
Disclosure of Invention
Aiming at the defects in the prior art, the fixed die ejection mechanism realizes the inclined ejection of the fixed die through the opening action of the injection molding machine, does not need to be provided with an oil cylinder and an oil way, and has simple structure and low cost.
In order to solve the technical problem, the technical scheme adopted by the application is as follows: a fixed die ejection mechanism comprises a fixed die panel and a movable die frame, wherein a fixed die top plate is arranged on the fixed die panel, and a movable die core is arranged on the movable die frame; an inclined ejection mechanism is arranged between the fixed die top plate and the movable die core, and a connecting mechanism is arranged between the fixed die top plate and the movable die frame; the connecting mechanism comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is fixedly connected with the movable mold frame, and the other end of the first connecting rod is fixedly connected with the second connecting rod; the one end that the second connecting rod kept away from first connecting rod carry out the joint through the joint structure with the cover half roof, drive cover half and movable mould at the injection molding machine and open the in-process, the joint structure break away from the joint so that the mechanism realizes ejecting to the cover half to one side.
By adopting the structure, the action of ejecting the fixed die obliquely is realized through the die opening action and the clamping structure of the injection molding machine; the process can be completed only by arranging one connecting mechanism without additionally arranging an oil cylinder and an oil way, and the structure is simple and the cost is low.
Preferably, the clamping structure comprises a pull rod guide block fixedly connected with the fixed die panel, the pull rod guide block is slidably sleeved with an elastic restoring clamping piece, the elastic restoring clamping piece is fixedly connected with the fixed die top plate, and the second connecting rod is clamped with the elastic restoring clamping piece and can slide in the pull rod guide block; the pull rod guide block is provided with a sliding groove and an accommodating groove, the sliding groove is used for sliding of the elastic restoring clamping piece clamped with the second connecting rod, and the accommodating groove is used for opening the elastic restoring clamping piece so as to separate the second connecting rod from the elastic restoring clamping piece; by adopting the structure, under the force of the opening action of the injection molding machine, the second connecting rod slides along the pull rod guide block until the elastic return clamping piece slides to the accommodating groove, and the elastic return clamping piece relaxes to enter the accommodating groove to realize the separation of the second connecting rod; by adopting the structure, a complex oil cylinder, an oil way and the like are not needed to be arranged, the structure is simple, the inclined ejection mechanism can be ejected out only by the force generated by the opening action of the injection molding machine, and the structure is convenient, simple and low in cost.
Preferably, the elastic restoring clamping piece is provided with a plurality of convex blocks which form a containing cavity for containing the clamping block, the clamping block comprises two telescopic blocks which can stretch in the width direction and a base which extends in the thickness direction, and the base is arranged in the elastic restoring clamping piece; when the elastic restoring clamping piece is positioned in the sliding groove of the pull rod guide block, the two telescopic blocks are in a compressed state so that the elastic restoring clamping piece slides along the sliding groove, and when the elastic restoring clamping piece is positioned in the accommodating groove of the pull rod guide block, the two telescopic blocks are in a relaxation state so that the second connecting rod is separated; the structure can be conveniently arranged to realize the ejection of the fixed die by means of the opening action of the injection molding machine.
Preferably, the second connecting rod is provided with a groove which is inwards recessed along the width direction, and the groove is matched with the profile of the telescopic block so that the second connecting rod is clamped on the elastic restoring clamping piece; by adopting the structure, the connection of the movable mould and the fixed mould can be kept firstly; and when the injection molding machine is opened, the second connecting rod slides in the sliding groove, and when the second connecting rod slides into the accommodating groove of the pull rod guide block, the clamping block relaxes and can be separated from the groove of the second connecting rod, so that the clamping connection of the second connecting rod is separated, the separation of the movable mold and the fixed mold is realized under the opening acting force of the injection molding machine, and the pitched roof mechanism can be ejected naturally.
Further preferably, the clamping structure is fixed on the fixed die panel through the fixed block, and the second connecting rod slides in the clamping structure through the separation action of the fixed die panel and the fixed die top plate. The structure is convenient to disassemble and install.
Drawings
Fig. 1 is a schematic structural diagram of a fixed mold ejection mechanism of the present application.
Fig. 2 is a schematic view of the attachment mechanism of the present application, seen from the side.
Fig. 3 is a schematic view (first angle) of the connection mechanism assembly structure of the present application.
Fig. 4 is a schematic view of the connection mechanism assembly of the present application (second angle).
Fig. 5 is a partial enlarged view of fig. 3.
Fig. 6 is a partially enlarged view of fig. 4.
As shown in the attached drawings: 1. the fixed die comprises a fixed die panel, 2 parts of a movable die frame, 3 parts of a fixed die top plate, 4 parts of a movable die core, 5 parts of an inclined ejection mechanism, 6 parts of a connecting mechanism, 6.1 parts of a first connecting rod, 6.2 parts of a second connecting rod, 6.21 parts of a groove, 6.3 parts of a clamping structure, 6.31 parts of a pull rod guide block, 6.311 parts of a sliding groove, 6.312 parts of an accommodating groove, 6.32 parts of an elastic restoring clamping piece, 6.321 parts of a convex block, 6.32a parts of a clamping block, 6.322 parts of a telescopic block, 6.323 parts of a base and 6.4 parts of a fixed block.
Detailed Description
The drawings and the following description depict specific embodiments of the application to teach those skilled in the art how to make and use the best mode of the application. For the purpose of teaching inventive principles, some conventional aspects have been simplified or omitted. Those skilled in the art will appreciate variations from these embodiments that fall within the scope of the invention. Those skilled in the art will appreciate that the features described below can be combined in various ways to form multiple variations of the present application. Thus, the present application is not limited to the specific embodiments described below, but only by the claims and their equivalents.
Specifically, as shown in FIGS. 1-2: a fixed die ejection mechanism comprises a fixed die panel 1 and a movable die frame 2, wherein a fixed die top plate 3 is arranged on the fixed die panel, and a movable die core 4 is arranged on the movable die frame; an inclined ejection mechanism 5 is arranged between the fixed die top plate and the movable die core, and a connecting mechanism 6 is arranged between the fixed die top plate 3 and the movable die frame 2; the connecting mechanism 6 comprises a first connecting rod 6.1 and a second connecting rod 6.2, one end of the first connecting rod 6.1 is fixedly connected with the movable mold frame 2, and the other end of the first connecting rod is fixedly connected with the second connecting rod 6.2; the one end that the second connecting rod kept away from first connecting rod carry out the joint through joint structure 6.3 with cover half roof 3, drive cover half and movable mould at the injection molding machine and open the in-process, joint structure break away from the joint so that push up the mechanism to one side and realize ejecting to the cover half.
By adopting the structure, the action of obliquely ejecting the fixed die is realized through the die opening action and the clamping structure of the injection molding machine, so that the demoulding requirement of the fixed die back-off part of a product is realized; the process can be completed only by arranging one connecting mechanism without additionally arranging an oil cylinder and an oil way, and the structure is simple and the cost is low.
Specifically, as shown in fig. 2-6, the clamping structure 6.3 includes a pull rod guide block 6.31 fixedly connected with the fixed mold panel, the pull rod guide block is slidably sleeved with an elastic restoring clamping piece 6.32, the elastic restoring clamping piece is fixedly connected with the fixed mold top plate, and the second connecting rod 6.2 is clamped with the elastic restoring clamping piece and can slide in the pull rod guide block; a sliding groove 6.311 and an accommodating groove 6.312 are arranged on the pull rod guide block 6.31, the sliding groove is used for sliding of the elastic restoring clamping piece clamped with the second connecting rod, and the accommodating groove is used for opening the elastic restoring clamping piece so as to separate the second connecting rod from the elastic restoring clamping piece; by adopting the structure, under the force of the opening action of the injection molding machine, the second connecting rod slides along the pull rod guide block until the elastic return clamping piece slides to the accommodating groove, and the elastic return clamping piece relaxes to enter the accommodating groove to realize the separation of the second connecting rod; by adopting the structure, a complex oil cylinder, an oil way and the like are not needed to be arranged, the structure is simple, the inclined ejection mechanism can be ejected out only by the force generated by the opening action of the injection molding machine, and the structure is convenient, simple and low in cost.
Specifically, as shown in fig. 2-6, a plurality of bumps 6.321 are arranged on the elastic restoring clip 6.32, and form a cavity for accommodating the clip 6.32 a; the clamping block 6.32a comprises two telescopic blocks 6.322 which can stretch out and draw back in the width direction and a base 6.323 which extends in the thickness direction, and the base is arranged in the elastic return clamping piece; when the elastic restoring clamping piece is positioned in the sliding groove of the pull rod guide block, the two telescopic blocks are in a compressed state and clamped with the groove on the second connecting rod so that the elastic restoring clamping piece slides along the sliding groove, and when the elastic restoring clamping piece slides into the accommodating groove of the pull rod guide block, the two telescopic blocks are relaxed towards the accommodating groove due to the existence of the accommodating groove so that the second connecting rod is separated from clamping; the structure can be conveniently arranged to realize the ejection of the fixed die by means of the opening action of the injection molding machine.
Specifically, the second connecting rod 6.2 is provided with a groove 6.21 which is inwards recessed along the width direction, and the groove is matched with the profile of the telescopic block 6.322 so that the second connecting rod is clamped on the elastic restoring clamping piece; namely, the second connecting rod is clamped with the elastic return clamping piece through the clamping connection of the groove on the second connecting rod and the telescopic block; by adopting the structure, the connection of the movable mould and the fixed mould can be kept firstly; when the injection molding machine is opened, namely the mold opening process, the movable mold and the fixed mold are separated under the action of mold opening force, and at the moment, the fixed mold top plate is driven to move by the second connecting rod, in the process, the second connecting rod 6.2 realizes sliding in the sliding groove 6.311, when the groove in the second connecting rod, which is connected with the telescopic block 6.322 in a clamping manner, slides into the accommodating groove 6.312 of the pull rod guide block 6.31, the telescopic block 6.322 relaxes towards the direction of the accommodating groove due to the existence of the accommodating groove, the telescopic block 6.322 loses the clamping connection with the groove in the second connecting rod at the moment, so that the clamping connection with the second connecting rod is also separated, at the moment, the movable mold core and the movable mold frame connected with the other end of the second connecting rod are also separated from the top plate, namely the fixed mold and the fixed mold are separated, and at the moment, the lifter mechanism between.
The clamping structure 6.3 of this application is fixed in the cover half panel through fixed block 6.4 on, through the action that breaks away from of cover half panel and cover half roof, realizes the slip with the second connecting rod in the clamping structure. The structure is convenient to disassemble and install.
Claims (5)
1. The utility model provides a cover half ejection mechanism which characterized in that: the fixed die comprises a fixed die panel and a movable die frame, wherein a fixed die top plate is arranged on the fixed die panel, and a movable die core is arranged on the movable die frame; an inclined ejection mechanism is arranged between the fixed die top plate and the movable die core, and a connecting mechanism is arranged between the fixed die top plate and the movable die frame; the connecting mechanism comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is fixedly connected with the movable mold frame, and the other end of the first connecting rod is fixedly connected with the second connecting rod; the one end that the second connecting rod kept away from first connecting rod carry out the joint through the joint structure with the cover half roof, drive cover half and movable mould at the injection molding machine and open the in-process, the joint structure break away from the joint so that the mechanism realizes ejecting to the cover half to one side.
2. The fixed die ejection mechanism according to claim 1, wherein: the clamping structure comprises a pull rod guide block fixedly connected with the fixed die panel, an elastic recovery clamping piece is slidably sleeved on the pull rod guide block and fixedly connected with the fixed die top plate, and the second connecting rod is clamped with the elastic recovery clamping piece and can slide in the pull rod guide block; the pull rod guide block is provided with a sliding groove and a containing groove, the sliding groove is used for clamping the elastic return clamping piece of the second connecting rod to slide, and the containing groove is used for expanding the elastic return clamping piece so that the second connecting rod and the elastic return clamping piece are separated.
3. The fixed die ejection mechanism according to claim 2, wherein: the elastic recovery clamping piece is provided with a plurality of convex blocks which form a containing cavity for containing the clamping block, the clamping block comprises two telescopic blocks which can stretch in the width direction and a base which extends in the thickness direction, and the base is arranged in the elastic recovery clamping piece; when the elastic restoring clamping piece is positioned in the sliding groove of the pull rod guide block, the two telescopic blocks are in a compressed state so that the elastic restoring clamping piece slides along the sliding groove, and when the elastic restoring clamping piece is positioned in the accommodating groove of the pull rod guide block, the two telescopic blocks are in a relaxation state so that the second connecting rod is separated.
4. The fixed die ejection mechanism according to claim 2, wherein: the second connecting rod is provided with a groove which is inwards sunken along the width direction, and the groove is matched with the outline of the telescopic block so that the second connecting rod is clamped on the elastic restoring clamping piece.
5. The fixed die ejection mechanism according to claim 2, wherein: the clamping structure is fixed on the fixed die panel through the fixed block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010721731.0A CN111730827B (en) | 2020-07-24 | 2020-07-24 | Fixed die ejection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010721731.0A CN111730827B (en) | 2020-07-24 | 2020-07-24 | Fixed die ejection mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111730827A true CN111730827A (en) | 2020-10-02 |
| CN111730827B CN111730827B (en) | 2020-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010721731.0A Active CN111730827B (en) | 2020-07-24 | 2020-07-24 | Fixed die ejection mechanism |
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| Country | Link |
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| CN (1) | CN111730827B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112917841A (en) * | 2020-12-23 | 2021-06-08 | 宁波方正汽车模具股份有限公司 | Fixed die inclined top back-off withdrawing mechanism |
| CN115195049A (en) * | 2022-09-06 | 2022-10-18 | 佛山市优坐家具有限公司 | Seat plate injection mold and demolding method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120100239A1 (en) * | 2010-10-21 | 2012-04-26 | Cheng Uei Precision Industry Co., Ltd. | Switching ware |
| CN102529032A (en) * | 2012-01-11 | 2012-07-04 | 裕克施乐塑料制品（太仓）有限公司 | Device for controlling secondary parting and/or secondary ejection of die |
| CN210758991U (en) * | 2019-09-23 | 2020-06-16 | 宁波奥克斯电气股份有限公司 | Injection mold ejection structure and injection mold |
-
2020
- 2020-07-24 CN CN202010721731.0A patent/CN111730827B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120100239A1 (en) * | 2010-10-21 | 2012-04-26 | Cheng Uei Precision Industry Co., Ltd. | Switching ware |
| CN102529032A (en) * | 2012-01-11 | 2012-07-04 | 裕克施乐塑料制品（太仓）有限公司 | Device for controlling secondary parting and/or secondary ejection of die |
| CN210758991U (en) * | 2019-09-23 | 2020-06-16 | 宁波奥克斯电气股份有限公司 | Injection mold ejection structure and injection mold |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112917841A (en) * | 2020-12-23 | 2021-06-08 | 宁波方正汽车模具股份有限公司 | Fixed die inclined top back-off withdrawing mechanism |
| CN115195049A (en) * | 2022-09-06 | 2022-10-18 | 佛山市优坐家具有限公司 | Seat plate injection mold and demolding method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111730827B (en) | 2020-11-13 |
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