CN115230093A - High-speed opening and closing structure for mechanically adjusting core-pulling sequence - Google Patents
High-speed opening and closing structure for mechanically adjusting core-pulling sequence Download PDFInfo
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- CN115230093A CN115230093A CN202210802807.1A CN202210802807A CN115230093A CN 115230093 A CN115230093 A CN 115230093A CN 202210802807 A CN202210802807 A CN 202210802807A CN 115230093 A CN115230093 A CN 115230093A
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- Prior art keywords
- transmission
- mold
- adjusting
- core
- lifting rod
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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
-
- 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
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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 high-speed opening and closing structure for mechanically adjusting a core-pulling sequence, which belongs to the technical field of molds and comprises a movable mold and a fixed mold, wherein a plurality of mold cores are arranged between the movable mold and the fixed mold, a transmission seat is fixedly arranged on the fixed mold, a first transmission part and a second transmission part are respectively arranged on two opposite side surfaces of the transmission seat, the first transmission part is arranged on the movable mold, the second transmission part is arranged on the mold cores, and the movable mold can sequentially pass through the first transmission part and the second transmission part in the mold opening and closing processes to transmit the motion to the mold cores so as to pull the cores without independently controlling the motion of the mold cores through a servo motor.
Description
Technical Field
The invention relates to the technical field of molds, in particular to a high-speed opening and closing structure for mechanically adjusting a core-pulling sequence.
Background
In the process of using the mold to produce the tray, the core needs to be pulled after the mold is opened, and the mold core needs to be reset before the mold is closed; when the tray is used for core pulling, a plurality of cores generally need to be pulled out from different directions, once the core pulling sequence is wrong, the cores are easy to collide with each other to generate abrasion, in the prior art, the time sequence of the cores is generally controlled by an air cylinder or a servo motor, the method needs to use a plurality of driving pieces, the cost and the energy consumption of equipment are increased, and once the circuit logic is wrong, or the air cylinder has slow response and other problems, the cores can collide with each other, so that the core pulling sequence is needed to be more reliably ensured through a mechanical structure.
For example, "CN111703032A" disclosed in chinese patent document, whose publication number is a plastic tray die servo motor driven external sliding core pulling mechanism, includes a fixed die replica and a movable die replica, a hot runner plate, a fixed die plate and a fixed die insert are mounted under the fixed die replica, a die leg is mounted on the movable die replica, a movable die plate and a movable die insert are mounted on the die leg, an external slider is disposed between the movable die plate and the fixed die plate, a forklift hole insert is disposed on the external slider, and a formed tray is provided with a steel pipe hole therein, a steel pipe hole core rod is connected to the forklift hole insert, the steel pipe hole core rod is matched with the steel pipe hole, the external slider is driven to slide outwards by an external sliding core pulling mechanism, the external sliding core pulling mechanism includes an external pulling support disposed on an outer wall of the movable die plate, a servo motor and a rotating screw rod are disposed side by side on the external pulling support, a driving gear is mounted on an output shaft of the servo motor, a driven gear is mounted at one end of the rotating screw rod, the driving gear is engaged with the driven gear, a bearing seat is connected to the other end of the rotating screw rod, a threaded sleeve is connected to a 7-shaped block, and a sliding block is connected to the external sliding block; the defect of the patent lies in that the core rod is driven by the servo motor, the cost and the energy consumption of the equipment are high, once the logic of the circuit is wrong or fails, the collision and the damage of the mold core can be caused, and the reliability is not required.
Disclosure of Invention
The invention provides a high-speed opening and closing structure for mechanically adjusting a core pulling sequence, which aims to overcome the problems that in the prior art, core pulling is carried out through a servo motor in the production process of a tray, so that the equipment cost and the energy consumption are high, the core pulling sequence is unreliable, and mutual collision and damage among mold cores are caused by easy mistakes.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention relates to a high-speed opening and closing structure for mechanically adjusting the core-pulling sequence, which comprises a movable die and a fixed die, wherein a plurality of die cores are arranged between the movable die and the fixed die, the moving direction of the die cores is vertical to that of the movable die, a transmission seat is fixedly arranged on the fixed die, a first transmission groove and a second transmission groove are respectively arranged on two opposite side surfaces of the transmission seat, the intersection parts of the first transmission groove and the second transmission groove are communicated through a transmission window, a first transmission piece is arranged in the first transmission groove, a second transmission piece is arranged in the second transmission groove, a plurality of first transmission ribs arranged at intervals are arranged on one side of the first transmission piece facing the second transmission piece, a plurality of second transmission ribs arranged at intervals are arranged on one side of the second transmission piece facing the first transmission piece, the first transmission ribs and the second transmission ribs incline to the horizontal plane and have the same inclination angle, the first transmission piece is arranged on the movable die, and the second transmission piece is arranged on the die cores.
In the scheme, the movable die can sequentially pass through the first transmission part and the second transmission part in the process of die opening and die closing to transmit the motion to the die core, so that core pulling is performed, the motion of the die core is not required to be controlled independently through a servo motor, the cost and the energy consumption of equipment are saved, and the situation that collision and damage occur among the die cores due to signal failure at a certain position cannot occur in the motion process because all the die cores and the movable die have only one degree of freedom in motion; and the vertical motion of the movable die is transmitted into the horizontal motion of the die core through the transmission between the inclined first transmission rib and the inclined second transmission rib.
Preferably, an adjusting assembly used for adjusting the position of the first transmission member relative to the movable mold is mounted on the movable mold, the adjusting assembly comprises a lifting rod and an adjusting handle used for controlling the lifting of the lifting rod, a lifting rod groove is formed in the movable mold, the lifting rod groove is communicated with the outer side of the movable mold through the adjusting groove, a lifting rod connecting seat penetrating through the adjusting groove is arranged on the lifting rod, and the first transmission member is fixedly mounted on the lifting rod connecting seat; in the process of tray production, because the overall dimension of tray has a standard value, and the customization is carried out according to the product of tray dress during the internal shape of tray, consequently, in order to save the cost, when the product that the change needs to produce, movable mould and cover half can need not to change, only change the mold core, and when the mold core is changed the back, the order of loosing core of each mold core when loosing core also can change, in this priority scheme, can pass through the height that the lifter was adjusted to the regulation handle to adjust the initial height of each first driving part, thereby make the precedence of each first driving part contact the second driving part change, and then realize the adaptation to different products.
Preferably, the lifting rod is provided with two lifting rod connecting seats which are a left lifting rod connecting seat and a right lifting rod connecting seat respectively, and a left second transmission member and a right second transmission member are arranged on two sides of the mold core respectively; through two lifter connecting seats, can improve the equilibrium of lifter at the lift in-process to ensure that the in-process lifter connecting seat at the die sinking can not be dead in the card of adjustment tank.
Preferably, an adjusting gear is mounted on a rotating shaft of the adjusting handle, a driven gear which is meshed with the adjusting gear and rotates is mounted on one side of the adjusting gear, a lifting seat is arranged on the lifting rod, a first rack surface and a second rack surface are arranged in the lifting seat, the first rack surface and the second rack surface are opposite and parallel to each other, the first rack surface is meshed with the adjusting gear, and the second rack surface is meshed with the driven gear; the adjusting gear drives the driven gear to rotate together in the rotating process, and the driven gear and the adjusting gear transmit the motion to the first rack surface and the second rack surface simultaneously so as to drive the lifting seat to lift; the increase of the driven gear can enable the lifting seat to have two opposite meshing surfaces, and the lifting stability of the lifting seat is improved.
Preferably, the fixed seat is provided with a mold core slide rail, and the lower side surface of the mold core is fixedly provided with a mold core slide block positioned in the mold core slide rail; the mold core slide rail and the mold core slide block can limit the mold core when the mold core moves, so that the moving straightness of the mold core is improved, and the mold core slide rail and the mold core slide block are not easy to be stuck when the mold core moves at a high speed.
Preferably, the mold core slide rail is provided with a T-shaped groove with a T-shaped section; the T-shaped groove can be used for simultaneously positioning the die core sliding block vertically and horizontally, so that the reliability of the equipment in high-speed movement is further improved.
Preferably, the first transmission piece comprises a transmission section and an invalid section, the first transmission rib is arranged on the transmission section, and the second transmission piece is static when the invalid section passes through the transmission window; the structure ensures that in the mold closing process, after a certain mold core is in place, the in-place mold core cannot continuously move and other mold cores can continuously move due to the fact that the invalid section moves to the transmission window.
Therefore, the invention has the following beneficial effects: (1) Driving parts such as a servo motor or an air cylinder are not needed for driving, so that the equipment cost and the energy consumption are saved; (2) The movement of the mold cores can be directly controlled through a mechanical structure, and the mold cores are ensured not to collide with each other; (3) The device is not easy to block in the process of high-speed movement, and the reliability is higher.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a schematic front view of a first embodiment of the present invention.
Fig. 3 is a schematic top view of the first embodiment of the present invention with the movable mold hidden.
Fig. 4 is a schematic structural diagram of a driving seat according to a first embodiment of the invention.
Fig. 5 is a schematic structural view of the transmission seat of the first embodiment of the invention in another direction.
Fig. 6 is a schematic front view of a second embodiment of the present invention.
Fig. 7 is a front view of the first transmission member and the second transmission member transmission structure according to the second embodiment of the present invention.
Fig. 8 is a rear view of the first transmission member and the second transmission member transmission structure according to the second embodiment of the present invention.
In the figure: 1. the die comprises a moving die 2, a fixed die 3, a front die core 4, a rear die core 5, a left die core 6, a right die core 7, a transmission seat 8, a first transmission groove 9, a second transmission groove 10, a transmission window 11, a first transmission piece 12, a second transmission piece 13, a first transmission rib 14, a second transmission rib 15, a die core slide rail 16, a die core slide block 17, a T-shaped groove 18, a lifting rod 19, an adjusting handle 20, an adjusting groove 21, a lifting rod connecting seat 22, an adjusting gear 23, a driven gear 24, a lifting seat 25, a first rack surface 26, a second rack surface 27, a transmission section 28 and an invalid section.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Embodiment one, as shown in the embodiments of fig. 1 to 5, a high-speed opening and closing structure for mechanically adjusting a core pulling sequence includes a movable mold 1 and a fixed mold 2, four mold cores, namely a front mold core 3, a rear mold core 4, a left mold core 5 and a right mold core 6, are installed between the movable mold and the fixed mold, a moving direction of the mold cores is perpendicular to a moving direction of the movable mold, a moving direction of the movable mold is a vertical direction, a moving direction of the front mold core and the rear mold core is a front-back direction, a moving direction of the left mold core and the right mold core is a left-right direction, a transmission seat 7 is fixedly installed on the fixed mold, a first transmission groove 8 and a second transmission groove 9 are respectively installed on two opposite side surfaces of the transmission seat, a length direction of the first transmission groove is vertical, the length direction of the second transmission groove is a horizontal direction, the intersection of the first transmission groove and the second transmission groove is communicated through a transmission window 10, a first transmission piece 11 is installed in the first transmission groove, a second transmission piece 12 is installed in the second transmission groove, a plurality of first transmission ribs which are arranged at intervals are arranged on one side of the first transmission piece facing the second transmission piece, a plurality of second transmission ribs which are arranged at intervals are arranged on one side of the second transmission piece facing the first transmission piece, the first transmission ribs and the second transmission ribs are inclined relative to the horizontal plane and have the same inclination angle, the first transmission piece is fixedly installed on the movable die, and the second transmission piece is fixedly installed on the die core; setting the groove depth of the first transmission groove as a, the groove depth of the second transmission groove as b, the thickness of the transmission seat as c, the thicknesses of the first transmission rib and the second transmission rib as d, and then allowing the first transmission member and the second transmission member to have a contact area enough to avoid interference during movement if the first transmission rib and the second transmission rib are 4mm, wherein the first transmission rib and the second transmission rib are same in shape and are both in a strip shape with chamfers at two ends, the inclination angle relative to the horizontal plane is 45 degrees, the distance between two adjacent first transmission ribs is slightly larger than the width of the second transmission rib, and the distance between two adjacent second transmission ribs is slightly larger than the width of the first transmission rib; a mold core slide rail 15 is arranged on the fixed seat, and a mold core slide block 16 positioned in the mold core slide rail is fixedly arranged on the lower side surface of the mold core; and a T-shaped groove 17 with a T-shaped section is arranged on the mold core slide rail.
It can be seen from fig. 3 that in this embodiment, because each mold core has a contact surface, in order to avoid collision and interference between the mold cores in the core pulling process, the left mold core needs to be pulled first, then the front mold core and the rear mold core are pulled, and finally the right mold core is pulled, and the order of mold core resetting is reverse, and the right mold core resets first, then the front mold core and the rear mold core reset, and finally the left mold core resets.
In the embodiment, the lengths of the first transmission parts connected with the second transmission parts on different mold cores are different, in the mold opening process, the first transmission part on the left side of the movable mold contacts the second transmission part firstly and drives the second transmission part to move leftwards so as to drive the left mold core to move leftwards, and after the left mold core moves out for a certain distance, the first transmission parts on the front side and the rear side of the movable mold drive the front mold core and the rear mold core to move respectively; after the front mold core and the rear mold core move out for a distance, the first transmission piece on the right side of the movable mold drives the right mold core to move, and after the right mold core moves out for a distance, the core pulling is completed; in the die closing process, the first transmission piece on the right side of the movable die contacts the second transmission piece firstly and drives the right die core to move leftwards, after the right die core is in place, the first transmission pieces on the front side and the rear side of the movable die respectively drive the front die core and the rear die core to move, and after the front die core and the rear die core are in place, the first transmission piece on the left side of the movable die drives the left die core to move rightwards to be in place; the sequence of movement of the individual mould cores can be controlled by the length of the first transmission element and the initial position of the first transmission rib.
Second embodiment, as shown in fig. 6 to 8, the difference between the first embodiment and the second embodiment is that the first transmission members are not fixed on the movable mold, and in this embodiment, the lengths of the respective first transmission members 11 are the same, and the widths of the first transmission ribs 13 and the second transmission ribs 14 are the same; the movable die of the embodiment is provided with an adjusting assembly for adjusting the position of a first transmission member relative to the movable die, the adjusting assembly comprises a lifting rod 18 and an adjusting handle 19 for controlling the lifting of the lifting rod, a lifting rod groove is formed in the movable die, the lifting rod groove is communicated with the outer side of the movable die through an adjusting groove 20, the lifting rod is provided with a lifting rod connecting seat 21 penetrating through the adjusting groove, and the first transmission member is fixedly arranged on the lifting rod connecting seat; the lifting rod is provided with two lifting rod connecting seats which are a left lifting rod connecting seat and a right lifting rod connecting seat respectively, and a left second transmission piece and a right second transmission piece are arranged on two sides of the mold core respectively; an adjusting gear 22 is mounted on a rotating shaft of the adjusting handle, a driven gear 23 which is meshed with the adjusting gear to rotate is mounted on one side of the adjusting gear, a locking screw is further mounted on the adjusting gear, a lifting seat 24 is arranged on the lifting rod, a first rack surface 25 and a second rack surface 26 are arranged in the lifting seat, the first rack surface and the second rack surface are opposite and parallel to each other, the first rack surface is meshed with the adjusting gear, and the second rack surface is meshed with the driven gear; the first transmission member comprises a transmission section 27 on which the first transmission rib is disposed and an inactive section 28 which is stationary when passing through the transmission window.
When the core-pulling sequence needs to be changed due to product change, the initial position of the first transmission piece in each direction of the movable die is adjusted by rotating the adjusting handle, so that the contact sequence of each first transmission piece and the second transmission piece can be changed.
Claims (7)
1. The utility model provides a high-speed open-close structure of mechanical adjustment order of loosing core, characterized by includes movable mould and cover half, installs a plurality of mold core between movable mould and the cover half, the direction of motion of mold core is perpendicular with the direction of motion of movable mould, fixed mounting has the transmission seat on the cover half, be equipped with first transmission groove and second transmission groove on two relative sides of transmission seat respectively, the crossing department in first transmission groove and second transmission groove passes through transmission window intercommunication, installs first driving part in the first transmission groove, installs the second driving medium in the second transmission groove, first driving part is equipped with the first transmission muscle that a plurality of interval set up on one side towards the second driving part, the second driving part is equipped with the second transmission muscle that a plurality of interval set up on one side towards first driving part, first transmission muscle and the relative horizontal plane slope of second transmission muscle are and inclination is the same, first driving part is installed on the movable mould core, the second driving part is installed on the mold core.
2. The high-speed opening and closing structure for mechanically adjusting the core pulling sequence according to claim 1, wherein an adjusting assembly for adjusting the position of the first transmission member relative to the movable mold is mounted on the movable mold, the adjusting assembly comprises a lifting rod and an adjusting handle for controlling the lifting of the lifting rod, a lifting rod groove is formed in the movable mold, the lifting rod groove is communicated with the outer side of the movable mold through the adjusting groove, a lifting rod connecting seat penetrating through the adjusting groove is arranged on the lifting rod, and the first transmission member is fixedly mounted on the lifting rod connecting seat.
3. The high-speed opening and closing structure for mechanically adjusting the core pulling sequence according to claim 2, wherein the lifting rod is provided with two lifting rod connecting seats, namely a left lifting rod connecting seat and a right lifting rod connecting seat, and a left second transmission member and a right second transmission member are respectively installed on two sides of the mold core.
4. The high-speed opening and closing structure for mechanically adjusting the core pulling sequence according to claim 3, wherein an adjusting gear is mounted on a rotating shaft of the adjusting handle, a driven gear meshed with the adjusting gear for rotation is mounted on one side of the adjusting gear, a lifting seat is arranged on the lifting rod, a first rack surface and a second rack surface are arranged in the lifting seat, the first rack surface and the second rack surface are opposite and parallel to each other, the first rack surface is meshed with the adjusting gear, and the second rack surface is meshed with the driven gear.
5. The high-speed opening and closing structure for mechanically adjusting the core pulling sequence according to claim 1, wherein the fixing seat is provided with a mold core slide rail, and a mold core slide block positioned in the mold core slide rail is fixedly arranged on the lower side surface of the mold core.
6. The high-speed opening and closing structure for mechanically adjusting the core pulling sequence according to claim 5, wherein a T-shaped groove with a T-shaped cross section is formed on the mold core slide rail.
7. The high-speed opening and closing structure for mechanically adjusting the core pulling sequence according to any one of claims 1 to 6, wherein the first transmission member comprises a transmission section and an invalid section, the first transmission rib is arranged on the transmission section, and the second transmission member is stationary when the invalid section passes through the transmission window.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210802807.1A CN115230093A (en) | 2022-07-07 | 2022-07-07 | High-speed opening and closing structure for mechanically adjusting core-pulling sequence |
| PCT/CN2023/082137 WO2024007620A1 (en) | 2022-07-07 | 2023-03-17 | High-speed opening and closing structure for mechanically adjusting core pulling sequence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210802807.1A CN115230093A (en) | 2022-07-07 | 2022-07-07 | High-speed opening and closing structure for mechanically adjusting core-pulling sequence |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115230093A true CN115230093A (en) | 2022-10-25 |
Family
ID=83671176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210802807.1A Pending CN115230093A (en) | 2022-07-07 | 2022-07-07 | High-speed opening and closing structure for mechanically adjusting core-pulling sequence |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN115230093A (en) |
| WO (1) | WO2024007620A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117206494A (en) * | 2023-11-07 | 2023-12-12 | 常崟汽车配件南通有限公司 | Multi-slider precise high-speed die casting machine and die casting process |
| WO2024007620A1 (en) * | 2022-07-07 | 2024-01-11 | 浙江西诺模具有限公司 | High-speed opening and closing structure for mechanically adjusting core pulling sequence |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3544119B2 (en) * | 1998-04-07 | 2004-07-21 | 日産自動車株式会社 | Injection mold |
| CN106113415B (en) * | 2016-08-31 | 2018-07-03 | 宁波方正汽车模具股份有限公司 | Injection mold rack core-pulling mechanism |
| CN106378910A (en) * | 2016-11-18 | 2017-02-08 | 宁波跃飞模具有限公司 | Rack-driven rotational core pulling device at cover half position of injection mold |
| CN111186096B (en) * | 2020-01-13 | 2021-09-28 | 宁波方正汽车模具股份有限公司 | Air blowing and demolding mechanism of automobile internal air duct injection mold |
| CN114619638B (en) * | 2022-03-10 | 2024-03-26 | 深圳市众为精密科技有限公司 | 5G mobile phone precise structural member based on inner wall demolding of composite core-pulling mechanism |
| CN115230093A (en) * | 2022-07-07 | 2022-10-25 | 浙江西诺模具有限公司 | High-speed opening and closing structure for mechanically adjusting core-pulling sequence |
-
2022
- 2022-07-07 CN CN202210802807.1A patent/CN115230093A/en active Pending
-
2023
- 2023-03-17 WO PCT/CN2023/082137 patent/WO2024007620A1/en unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024007620A1 (en) * | 2022-07-07 | 2024-01-11 | 浙江西诺模具有限公司 | High-speed opening and closing structure for mechanically adjusting core pulling sequence |
| CN117206494A (en) * | 2023-11-07 | 2023-12-12 | 常崟汽车配件南通有限公司 | Multi-slider precise high-speed die casting machine and die casting process |
| CN117206494B (en) * | 2023-11-07 | 2024-01-30 | 常崟汽车配件南通有限公司 | Multi-slider precise high-speed die casting machine and die casting process |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024007620A1 (en) | 2024-01-11 |
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