CN113119416A - Injection mold ejection stroke prolonging device for refrigerator drawer production - Google Patents
Injection mold ejection stroke prolonging device for refrigerator drawer production Download PDFInfo
- Publication number
- CN113119416A CN113119416A CN202110499798.9A CN202110499798A CN113119416A CN 113119416 A CN113119416 A CN 113119416A CN 202110499798 A CN202110499798 A CN 202110499798A CN 113119416 A CN113119416 A CN 113119416A
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- Prior art keywords
- wall
- rod
- mold
- sliding
- mould
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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
- B29C45/401—Ejector pin constructions or mountings
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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
- B29C45/2602—Mould construction elements
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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 an injection mold ejection stroke prolonging device for refrigerator drawer production, which comprises a bottom frame, wherein two sides of the top of the bottom frame are respectively connected with a support frame through a shaft, a sliding rod is sleeved between the end parts of the support frames, rod end sliding grooves are symmetrically arranged in the middle of the outer wall of the top of the bottom frame, the outer wall of the end part of the sliding rod is connected to the inner wall of the rod end sliding groove in a sliding mode, and a rod sleeve is sleeved in the middle of the outer wall of the sliding rod. According to the invention, the lower end mold descends to enable the mold to be separated from the injection molding cavity, compared with the traditional two-stage ejection structure, the position of the mold can be maintained at the opening and closing middle position of the mold, the mold stripping height at a low level can be maintained in the feeding and discharging process, and the product taking is more convenient and faster manually or mechanically.
Description
Technical Field
The invention relates to the technical field of refrigerator accessory production, in particular to a device for prolonging the ejection stroke of an injection mold for producing a refrigerator drawer.
Background
Most drawers all are that the track head relies on gravity to fix in the track inslot, and the drawer is the stereoplasm working of plastics, through integrative injection moulding, wherein can meet following problem in the product shaping drawing of patterns:
after the product has cooled and solidified in the mold, it needs to be reliably ejected from the mold, and the mechanism that accomplishes this is called an ejection system. Ejector pin ejection is a structural form of the ejection system. However, the traditional ejection device has certain stroke distance limitation, the ejection stroke requirement of a deep-cavity plastic product mold in the drawer exceeds the stroke distance of the ejection device of the drawer injection molding device with the common height, and the production efficiency is influenced.
Disclosure of Invention
Based on the technical problems in the prior art, the invention provides a device for prolonging the ejection stroke of an injection mold for producing a refrigerator drawer.
The invention provides an injection mold ejection stroke prolonging device for refrigerator drawer production, which comprises a bottom frame, wherein two sides of the top of the bottom frame are respectively connected with a support frame through a shaft, a sliding rod is sleeved between the end parts of the support frames, rod end sliding grooves are symmetrically arranged in the middle of the outer wall of the top of the bottom frame, the outer wall of the end part of the sliding rod is slidably connected to the inner wall of the rod end sliding groove, a rod sleeve is sleeved in the middle of the outer wall of the sliding rod, a pneumatic push rod is fixedly connected to the inner wall of the bottom frame, the movable end of the pneumatic push rod is connected with the rod sleeve, a sliding seat is connected to the top of the support frame through a shaft, a bottom moving plate is slidably connected to the outer wall of the top of the sliding seat, four limiting sliding rods are vertically slidably connected to four corners of the top of the bottom moving plate, a mold, four sides that the bottom movable plate is close to the mould groove all are equipped with the telescopic link, the bilateral symmetry of mould platform is equipped with the jacking cylinder, and the tip sliding connection of jacking cylinder has the mould baffle, the top outer wall of mould baffle is equipped with the fixed orifices and pours the hole, and the bottom outer wall of mould baffle is connected through the top outer wall of fixed orifices and mould.
As a further scheme of the invention, the top outer wall of the limiting slide rod is fixedly connected with a top plate, four corners of the top outer wall of the top plate are respectively connected with a lifting claw through a spring hinge, and the inner wall of each lifting claw is clamped on the outer walls of the four sides of the mold partition plate.
As a further scheme of the invention, the outer wall of the bottom end of the limiting slide rod is provided with a through hole, the four corners of the bottom end of the die table are respectively provided with a limiting pneumatic push rod, and the end part of the limiting pneumatic push rod is inserted on the inner wall of the through hole.
As a further scheme of the invention, the outer walls of the two sides of the bottom moving plate are respectively provided with a sliding rail, and the outer wall of the top of the sliding seat is connected to the inner wall of the sliding rail in a sliding manner.
As a further scheme of the invention, the pneumatic push rod, the jacking cylinder and the limiting pneumatic push rod are all connected with switches, and the switches are connected with a PLC controller through leads.
The beneficial effects of the invention are as follows:
1. the extension ejection structure is different from the existing two-stage ejection structure, the lower end mold descends to enable the mold to be separated from the injection molding cavity, compared with the traditional two-stage ejection structure, the position of the mold can be maintained at the middle opening and closing position of the mold, the mold stripping height can be maintained at a low level in the process of feeding and discharging, and the product taking is more convenient and faster manually or mechanically;
2. the structure of the middle lower side of the extension ejection structure utilizes a bilateral opposite stretching structure, can efficiently descend and eject into a mold structure, realizes bilateral opening and closing of the mold, enables the ejection structure of the top, realizes a secondary demolding effect when the bottom end descends and the position of the upper mold base of the mold is in a rising state compared with the injection mold cavity, has a simple structure, and can be used for the transformation of the existing mold production line;
3. the sliding rod structure and the limiting pneumatic push rod are utilized in the extension ejection structure, the die structure fixed on the die table can be adapted to more parts, and the production of refrigerator drawers of different models is guaranteed.
Drawings
FIG. 1 is a schematic perspective view of an injection mold ejection stroke extending device for refrigerator drawer production according to the present invention;
FIG. 2 is a schematic structural view of an injection mold ejection stroke extending device for refrigerator drawer production according to the present invention;
FIG. 3 is a schematic diagram of a jacking structure of the injection mold ejection stroke extending device for refrigerator drawer production according to the present invention;
fig. 4 is a schematic bottom view of a jacking structure of the injection mold ejection stroke extending device for refrigerator drawer production according to the present invention.
In the figure: 1. a bottom frame; 2. a support frame; 3. a pneumatic push rod; 4. a rod end chute; 5. a rod sleeve; 6. a bottom moving plate; 7. jacking a cylinder; 8. a limiting slide bar; 9. a mold divider; 10. a top plate; 11. a sliding seat; 12. a slide bar; 13. a slide rail; 14. a lifting claw; 15. and a limiting pneumatic push rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-4, an injection mold extended ejection stroke device for refrigerator drawer production comprises a bottom frame 1, wherein two sides of the top of the bottom frame 1 are respectively connected with a support frame 2 through a shaft, a sliding rod 12 is sleeved between the ends of the support frames 2, rod end sliding grooves 4 are symmetrically arranged in the middle of the outer wall of the top of the bottom frame 1, the outer wall of the end of the sliding rod 12 is slidably connected to the inner wall of the rod end sliding groove 4, a rod sleeve 5 is sleeved in the middle of the outer wall of the sliding rod 12, a pneumatic push rod 3 is fixedly connected to the inner wall of the bottom frame 1, the movable end of the pneumatic push rod 3 is connected with the rod sleeve 5, a sliding seat 11 is connected to the top of the support frame 2 through a shaft, a bottom 6 is slidably connected to the outer wall of the top of the sliding seat 11, four movable plate limit sliding rods 8 are vertically slidably connected to four corners of the, the mold has the advantages that double-side opening and closing is realized, the top ejection structure is realized, when the bottom end descends, the position of an upper mold base of the mold is in a rising state compared with that of an injection mold cavity, the secondary demolding effect is realized, the structure is simple and can be used for the transformation of the existing mold production line, the outer wall of a limiting slide rod 8 is connected with a mold table in a sliding mode, the middle of the mold table is provided with a mold groove, four sides, close to the mold groove, of a bottom moving plate 6 are respectively provided with a telescopic rod, jacking cylinders 7 are symmetrically arranged on two sides of the mold table, the end part of each jacking cylinder 7 is connected with a mold partition plate 9 in a sliding mode, the outer wall of the top of each mold partition plate 9 is provided with a fixing hole and a pouring hole, the outer wall of the bottom end of each mold partition plate 9 is connected with the outer wall of the top end of the mold through the fixing holes, the bottom outer wall of the limit slide bar 8 is provided with a through hole, the bottom four corners of the mold table are provided with limit pneumatic push rods 15, the end parts of the limit pneumatic push rods 15 are inserted into the through hole inner wall, the outer walls of the two sides of the bottom moving plate 6 are provided with slide rails 13, the top outer wall of the sliding seat 11 is connected onto the inner wall of the slide rails 13 in a sliding mode, the pneumatic push rods 3, the jacking air cylinders 7 and the limit pneumatic push rods 15 are connected with switches, the switches are connected with a PLC through wires, and the PLC is S7-200.
The working principle of the device for prolonging the ejection stroke is as follows:
firstly, fixing a mold for producing injection molding of a refrigerator drawer in a reserved hole on a mold table, and then correspondingly connecting an injection molding hole at the top of the mold, a fixed hole and a mold partition plate 9 to ensure smooth injection molding, and simultaneously driving an opening and closing mold by using a jacking cylinder 7;
secondly, injection molding is carried out through the injection molding holes, demoulding is carried out after cooling, firstly, the jacking air cylinder 7 is used for driving the mold partition plate 9 to ascend, and then the locking structure of the limiting pneumatic push rod 15 is used for releasing, so that the bottom moving plate 6 can slide on the outer wall of the limiting slide rod 8;
thirdly, the sliding rod 12 is driven by the pneumatic push rod 3 to move inwards, the support frame 2 is contracted at the moment, the support frame 2 moves inwards in the sliding rail 13, the bottom moving plate 6 descends at the moment, the lower part of the mold can be driven to descend, the drawer product molded by injection molding is exposed at the mold stripping position, and the drawer can be manually or mechanically demoulded and conveyed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. The injection mold ejection stroke prolonging device for producing the refrigerator drawer comprises a bottom frame (1) and is characterized in that two sides of the top of the bottom frame (1) are respectively connected with a support frame (2) through a shaft, a sliding rod (12) is sleeved between the end parts of the support frames (2), rod end sliding grooves (4) are symmetrically arranged in the middle of the outer wall of the top of the bottom frame (1), the outer wall of the end part of the sliding rod (12) is slidably connected onto the inner wall of the rod end sliding grooves (4), a rod sleeve (5) is sleeved in the middle of the outer wall of the sliding rod (12), a pneumatic push rod (3) is fixedly connected onto the inner wall of the bottom frame (1), the movable end of the pneumatic push rod (3) is connected with the rod sleeve (5), a sliding seat (11) is connected onto the top of the support frame (2) through a shaft, and a movable plate (6) is slidably connected onto the outer wall, perpendicular sliding connection in top four corners department of end movable plate (6) has four spacing slide bar (8), the outer wall sliding connection of spacing slide bar (8) has the mould platform, and the middle part of mould platform is equipped with the mould groove, the four sides that end movable plate (6) are close to the mould groove all are equipped with the telescopic link, the bilateral symmetry of mould platform is equipped with jacking cylinder (7), and the tip sliding connection of jacking cylinder (7) has mould baffle (9), the top outer wall of mould baffle (9) is equipped with the fixed orifices and pours the hole, and the bottom outer wall of mould baffle (9) is connected through the top outer wall of fixed orifices and mould.
2. The injection mold ejection stroke prolonging device for the production of the refrigerator drawer as claimed in claim 1, wherein a top plate (10) is fixedly connected to the outer wall of the top of the limiting slide bar (8), four corners of the outer wall of the top plate (10) are respectively connected with a lifting claw (14) through a spring hinge, and the inner wall of each lifting claw (14) is clamped on the outer wall of the four sides of the mold partition plate (9).
3. The injection mold ejection stroke prolonging device for producing the refrigerator drawer as claimed in claim 1, wherein the outer wall of the bottom end of the limiting slide rod (8) is provided with a through hole, the four corners of the bottom end of the mold table are provided with limiting pneumatic push rods (15), and the end parts of the limiting pneumatic push rods (15) are inserted into the inner wall of the through hole.
4. The injection mold extended ejection stroke device for refrigerator drawer production according to claim 1, wherein the outer walls of both sides of the bottom moving plate (6) are provided with slide rails (13), and the outer wall of the top of the sliding seat (11) is slidably connected to the inner walls of the slide rails (13).
5. The injection mold ejection stroke lengthening device for producing the refrigerator drawer according to claim 1, wherein the pneumatic push rod (3), the jacking cylinder (7) and the limiting pneumatic push rod (15) are all connected with a switch, and the switch is connected with a PLC controller through a wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110499798.9A CN113119416A (en) | 2021-05-08 | 2021-05-08 | Injection mold ejection stroke prolonging device for refrigerator drawer production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110499798.9A CN113119416A (en) | 2021-05-08 | 2021-05-08 | Injection mold ejection stroke prolonging device for refrigerator drawer production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113119416A true CN113119416A (en) | 2021-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110499798.9A Pending CN113119416A (en) | 2021-05-08 | 2021-05-08 | Injection mold ejection stroke prolonging device for refrigerator drawer production |
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| Country | Link |
|---|---|
| CN (1) | CN113119416A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1884336A1 (en) * | 2006-08-04 | 2008-02-06 | Etervind AB | Injection-moulding system |
| CN107263822A (en) * | 2017-08-02 | 2017-10-20 | 威海恒科精工有限公司 | Injection mould stroke lengthening and ejecting device |
| CN207997530U (en) * | 2018-03-01 | 2018-10-23 | 浙江嘉塑盛贸易有限公司 | A kind of injection mold convenient for die sinking |
| CN210415253U (en) * | 2019-08-23 | 2020-04-28 | 河源普天通讯技术有限公司 | Cable joint injection mold |
| CN112356394A (en) * | 2020-09-30 | 2021-02-12 | 潘瑞娟 | Plastic mold capable of quickly demolding product |
-
2021
- 2021-05-08 CN CN202110499798.9A patent/CN113119416A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1884336A1 (en) * | 2006-08-04 | 2008-02-06 | Etervind AB | Injection-moulding system |
| CN107263822A (en) * | 2017-08-02 | 2017-10-20 | 威海恒科精工有限公司 | Injection mould stroke lengthening and ejecting device |
| CN207997530U (en) * | 2018-03-01 | 2018-10-23 | 浙江嘉塑盛贸易有限公司 | A kind of injection mold convenient for die sinking |
| CN210415253U (en) * | 2019-08-23 | 2020-04-28 | 河源普天通讯技术有限公司 | Cable joint injection mold |
| CN112356394A (en) * | 2020-09-30 | 2021-02-12 | 潘瑞娟 | Plastic mold capable of quickly demolding product |
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Application publication date: 20210716 |
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| RJ01 | Rejection of invention patent application after publication |