CN208468950U - A kind of oil cylinder of injection mold anti-retraction device - Google Patents

A kind of oil cylinder of injection mold anti-retraction device Download PDF

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Publication number
CN208468950U
CN208468950U CN201821076891.9U CN201821076891U CN208468950U CN 208468950 U CN208468950 U CN 208468950U CN 201821076891 U CN201821076891 U CN 201821076891U CN 208468950 U CN208468950 U CN 208468950U
Authority
CN
China
Prior art keywords
block
sliding block
bottom plate
top plate
oil cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201821076891.9U
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Chinese (zh)
Inventor
郭召盛
吴聪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Haikang Precision Mould Co Ltd
Original Assignee
Shenzhen Haikang Precision Mould Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Haikang Precision Mould Co Ltd filed Critical Shenzhen Haikang Precision Mould Co Ltd
Priority to CN201821076891.9U priority Critical patent/CN208468950U/en
Application granted granted Critical
Publication of CN208468950U publication Critical patent/CN208468950U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of oil cylinder of injection mold anti-retraction devices, including top plate, second sliding block, hinge bar, link block, first sliding block, bottom plate and oil cylinder, the top of the bottom plate is equipped with top plate, two sides at the top of the top plate have been evenly arranged fixing bolt, and bottom plate is run through in the bottom of fixing bolt, first sliding block is installed between the bottom plate and top plate, oil cylinder is equipped on the outside of the bottom plate and top plate of first sliding block one end, and the output end of oil cylinder is fixedly connected with the first sliding block, sliding slot is all equipped at position corresponding with the bottom of top plate at the top of the bottom plate of first sliding block side.The utility model is fixed with the limited block matched with limiting slot by one end in hinge bar, and fixture block is all fixed in the corresponding two sides of hinge bar lateral wall, can in order to simultaneously the second sliding block is fixed using limited block and fixture block, clamping dynamics is bigger, safety coefficient is higher, and oil cylinder is avoided to bounce back.

Description

A kind of oil cylinder of injection mold anti-retraction device
Technical field
The utility model relates to injection mold technology, specially a kind of oil cylinder of injection mold anti-retraction device.
Background technique
Injection mold is a kind of tool for producing plasthetics, is also to confer to plasthetics complete structure and accurate dimension Tool, injection molding are a kind of processing methods used when producing certain complex-shaped components in batches, refer specifically to melt heated Plastics by injection molding machine high pressure inject die cavity obtain formed products after cooling and solidifying, in injection mold, generally use oil cylinder Core_pulling demoulding, and in injection moulding process, after injection mould closing, since injection pressure is very big, cylinder piston rod is caused to bounce back, led Scrap of the product is caused, or even can not be demoulded.
It mainly uses shovel limitation pine to move back currently, existing anti-oil cylinder pine moves back mode, but is encountering some product knots Structure is complicated, the insufficient space and when not being available shovel of arranging, and not just being available shovel prevents from bouncing back, so as to cause mold shakiness The fixed, number that repairs a die increases, and increased costs are unable to satisfy normal production.
Utility model content
The purpose of this utility model is to provide a kind of oil cylinder of injection mold anti-retraction devices, to solve above-mentioned background technique The existing anti-oil cylinder pine of middle proposition moves back mode and shovel limitation pine is mainly used to move back, but encounter some product structures it is complicated, Arrangement insufficient space and when not being available shovel, not just being available shovel prevents from bouncing back, unstable so as to cause mold, repair a die time Number increases, and increased costs are unable to satisfy normal production problem.
To achieve the above object, the utility model provides the following technical solutions: a kind of oil cylinder of injection mold anti-retraction device, Including top plate, the second sliding block, hinge bar, link block, the first sliding block, bottom plate and oil cylinder, the top of the bottom plate is equipped with top plate, institute State the two sides at the top of top plate and be evenly arranged fixing bolt, and bottom plate is run through in the bottom of fixing bolt, the bottom plate and top plate it Between the first sliding block is installed, be equipped with oil cylinder on the outside of the bottom plate and top plate of first sliding block one end, and the output end of oil cylinder and the One sliding block is fixedly connected, and is all equipped with cunning at position corresponding with the bottom of top plate at the top of the bottom plate of first sliding block side Slot slidably connects link block, top plate and bottom of the link block far from the first sliding block side by sliding block between the sliding slot Second sliding block is installed, the inside of the first sliding block side corresponding with the second sliding block is all equipped with loose slot, described between plate The inside of loose slot is all equipped with movable block, and connecting rod is all fixed between movable block and link block, first sliding block and The upper and lower surface of two sliding blocks is all equipped with rack gear, and top plate with the gear being meshed with rack gear, the connection are all installed on bottom plate Block is all equipped with mounting base at position corresponding with bottom base plate at the top of the top plate of the second sliding block side, the mounting base Inside is all equipped with crushing block, and one end of the crushing block all extends to the inside of top plate and bottom plate, and the other end of crushing block is all Extend to the outside of mounting base, and reset spring be installed between crushing block and mounting base, the top plate of the mounting base side with It is all welded with hinged seat on plate outer side wall, hinge bar, one end of the hinge bar and extruding are all hinged on the hinged seat Block is hinged, and the other end of the hinge bar is fixed with limited block, and the upper and lower side of the second sliding block is all equipped with and matches with limited block The limiting slot of conjunction, the corresponding two sides of the hinge bar lateral wall are all fixed with fixture block.
Preferably, the top plate with the through-hole that matches with limited block is all equipped on bottom plate.
Preferably, the top plate Yu plate outer side of second sliding block side are fixed with mold core.
Preferably, the activity space of the loose slot internal activity block is greater than or equal to the width of crushing block.
Preferably, the bottom of the fixture block is equipped with brake piece.
Compared with prior art, the utility model has the beneficial effects that the oil cylinder of injection mold anti-retraction device, by The upper and lower surface of first sliding block and the second sliding block is all equipped with rack gear, and is meshed with rack gear in top plate with being all equipped on bottom plate Gear not only can be driven the first sliding block and the second sliding block to be moved, improve first in order to be matched using wheel and rack The stability of sliding block and the second sliding block in moving process, and the frictional force between the first sliding block and the second sliding block is reduced, extend The service life of device can be not only easily installed by being evenly arranged fixing bolt between top plate and bottom plate, and can be with Top plate and bottom plate are dismantled using fixing bolt, replaced convenient for the maintenance of device, the utility model passes through in hinge bar One end is fixed with the limited block matched with limiting slot, and is all fixed with fixture block in the corresponding two sides of hinge bar lateral wall, can In order to be fixed simultaneously using limited block and fixture block to the second sliding block, clamping dynamics is bigger, and safety coefficient is higher, keeps away Exempt from oil cylinder to bounce back.
Detailed description of the invention
Fig. 1 faces schematic diagram of internal structure for the utility model;
Fig. 2 is the positive structure diagram of the utility model;
Fig. 3 is the overlooking structure diagram of the utility model.
In figure: 1, fixing bolt;2, top plate;3, rack gear;4, sliding slot;5, mounting base;6, loose slot;7, hinged seat;8, block Block;9, limited block;10, limiting slot;11, the second sliding block;12, movable block;13, mold core;14, connecting rod;15, hinge bar;16, multiple Position spring;17, crushing block;18, link block;19, gear;20, the first sliding block;21, bottom plate;22, oil cylinder;23, brake piece;24, lead to Hole.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, a kind of embodiment provided by the utility model: a kind of oil cylinder of injection mold anti-retraction device, packet Top plate 2, the second sliding block 11, hinge bar 15, link block 18, the first sliding block 20, bottom plate 21 and oil cylinder 22, the top of bottom plate 21 is included to set There is top plate 2, the two sides at 2 top of top plate have been evenly arranged fixing bolt 1, and bottom plate 21, bottom plate 21 are run through in the bottom of fixing bolt 1 First sliding block 20 is installed between top plate 2, oil cylinder 22, and oil are equipped on the outside of the bottom plate 21 and top plate 2 of 20 one end of the first sliding block The output end of cylinder 22 is fixedly connected with the first sliding block 20, and 21 top of bottom plate of 20 side of the first sliding block is opposite with the bottom of top plate 2 It is all equipped with sliding slot 4 at the position answered, link block 18 is slidably connected by sliding block between sliding slot 4, link block 18 is sliding far from first Second sliding block 11,21 outside of top plate 2 and bottom plate of 11 side of the second sliding block are installed between the top plate 2 and bottom plate 21 of 20 side of block Be fixed with mold core 13, the inside of the first sliding block 20 side corresponding with the second sliding block 11 is all equipped with loose slot 6, loose slot 6 it is interior Portion is all equipped with movable block 12, and connecting rod 14 is all fixed between movable block 12 and link block 18, and the first sliding block 20 and second is sliding The upper and lower surface of block 11 is all equipped with rack gear 3, and is all equipped with the gear 19 being meshed with rack gear 3 on top plate 2 and bottom plate 21, connection Block 18 is all equipped with mounting base 5 at 2 top of the top plate position corresponding with 21 bottom of bottom plate of 11 side of the second sliding block, installs The inside of seat 5 is all equipped with crushing block 17, and the activity space of 6 internal activity block 12 of loose slot is greater than or equal to the width of crushing block 17 Degree, one end of crushing block 17 all extend to the inside of top plate 2 Yu bottom plate 21, and the other end of crushing block 17 all extends to mounting base 5 Outside, and reset spring 16 is installed between crushing block 17 and mounting base 5,21 outside of top plate 2 and bottom plate of 5 side of mounting base It is all welded with hinged seat 7 on wall, hinge bar 15 is all hinged on hinged seat 7, one end and the crushing block 17 of hinge bar 15 are hinged, The other end of hinge bar 15 is fixed with limited block 9, top plate 2 with the through-hole 24 matched with limited block 9 is all equipped on bottom plate 21, and The upper and lower side of second sliding block 11 is all equipped with the limiting slot 10 matched with limited block 9, the corresponding two sides of 15 lateral wall of hinge bar It is all fixed with fixture block 8, the bottom of fixture block 8 is equipped with brake piece 23.
Working principle: during use, when needing to mold, 1 the first sliding block of Work Promote 20 of oil cylinder is to link block 18 one end is moved, since 20 internal activity slot 6 of the first sliding block has certain activity space, the first sliding block 20 movement one The movable block 12 inside the first sliding block 20 is squeezed after set a distance, and pushes link block 18 to be moved by connecting rod 14, is connected The mobile movable block 12 driven inside the second sliding block 11 of block 18 moved a certain distance inside loose slot 6 after to the second sliding block 11 into Row pushes, and makes the arrival of mold core 13 appropriately distance on crushing block 17 at this time due to the effect of link block 18 and crushing block 17 Lift drives and lifts on one end of hinge bar 15, so that the one end for being fixed with limited block 9 be made to push, passes through through-hole 24 and limiting slot 10 It matches, the second sliding block 11 is fixed, and fixture block 8 pushes simultaneously, with 19 phase of gear at 11 position of the second sliding block It contradicts, gear 19 is braked, so that the second sliding block 11 be avoided to bounce back, when needing to demould, oil cylinder 1 is shunk, successively Drive the first sliding block 20, the movable block 12 inside the first sliding block 20, link block 18, the movable block 12 and inside the second sliding block 11 Two sliding blocks 11 are moved, and during link block 18 is mobile, are detached from movable block 18 and crushing block 17, crushing block 17 exists Under the action of reset spring 16 drive hinge bar 15 one end push, separate limited block 9 with 10 phase of limiting slot, and fixture block 8 and The separation of 19 phase of gear, moves the second sliding block 11 smoothly.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

Claims (5)

1. a kind of oil cylinder of injection mold anti-retraction device, including top plate (2), the second sliding block (11), hinge bar (15), link block (18), the first sliding block (20), bottom plate (21) and oil cylinder (22), it is characterised in that: the top of the bottom plate (21) is equipped with top plate (2), the two sides at the top of the top plate (2) have been evenly arranged fixing bolt (1), and bottom plate is run through in the bottom of fixing bolt (1) (21), it is equipped with the first sliding block (20) between the bottom plate (21) and top plate (2), the bottom plate of described first sliding block (20) one end (21) oil cylinder (22) are equipped with on the outside of top plate (2), and the output end of oil cylinder (22) is fixedly connected with the first sliding block (20), described the Sliding slot (4), the cunning are all equipped at position corresponding with the bottom of top plate (2) at the top of the bottom plate (21) of one sliding block (20) side It is slidably connected link block (18) between slot (4) by sliding block, top of the link block (18) far from the first sliding block (20) side It is equipped between plate (2) and bottom plate (21) the second sliding block (11), first sliding block (20) corresponding with the second sliding block (11) one The inside of side is all equipped with loose slot (6), and the inside of the loose slot (6) is all equipped with movable block (12), and movable block (12) and company It connects and is all fixed with connecting rod (14) between block (18), first sliding block (20) and the upper and lower surface of the second sliding block (11) are all equipped with Rack gear (3), and the gear (19) being meshed with rack gear (3), the link block (18) are all installed on top plate (2) and bottom plate (21) Mounting base (5) are all equipped at position corresponding with bottom plate (21) bottom at the top of the top plate (2) of the second sliding block (11) side, The inside of the mounting base (5) is all equipped with crushing block (17), and one end of the crushing block (17) all extends to top plate (2) and bottom The inside of plate (21), the other end of crushing block (17) all extend to the outside of mounting base (5), and crushing block (17) and mounting base (5) it is equipped between reset spring (16), is all welded on the top plate (2) and bottom plate (21) lateral wall of mounting base (5) side Have hinged seat (7), is all hinged with hinge bar (15) on the hinged seat (7), one end of the hinge bar (15) and crushing block (17) it is hinged, the other end of the hinge bar (15) is fixed with limited block (9), and the upper and lower side of the second sliding block (11) is all equipped with The limiting slot (10) matched with limited block (9), the corresponding two sides of hinge bar (15) lateral wall are all fixed with fixture block (8).
2. a kind of oil cylinder of injection mold anti-retraction device according to claim 1, it is characterised in that: the top plate (2) with The through-hole (24) matched with limited block (9) is all equipped on bottom plate (21).
3. a kind of oil cylinder of injection mold anti-retraction device according to claim 1, it is characterised in that: second sliding block (11) mold core (13) are fixed on the outside of the top plate (2) of side and bottom plate (21).
4. a kind of oil cylinder of injection mold anti-retraction device according to claim 1, it is characterised in that: the loose slot (6) The activity space of internal activity block (12) is greater than or equal to the width of crushing block (17).
5. a kind of oil cylinder of injection mold anti-retraction device according to claim 1, it is characterised in that: the fixture block (8) Bottom is equipped with brake piece (23).
CN201821076891.9U 2018-07-09 2018-07-09 A kind of oil cylinder of injection mold anti-retraction device Expired - Fee Related CN208468950U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821076891.9U CN208468950U (en) 2018-07-09 2018-07-09 A kind of oil cylinder of injection mold anti-retraction device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821076891.9U CN208468950U (en) 2018-07-09 2018-07-09 A kind of oil cylinder of injection mold anti-retraction device

Publications (1)

Publication Number Publication Date
CN208468950U true CN208468950U (en) 2019-02-05

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ID=65213596

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821076891.9U Expired - Fee Related CN208468950U (en) 2018-07-09 2018-07-09 A kind of oil cylinder of injection mold anti-retraction device

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110039722A (en) * 2019-04-28 2019-07-23 威鹏塑胶制品(深圳)有限公司 It is inverted the assembly method of precision plastic rubber mold and die cylinder

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110039722A (en) * 2019-04-28 2019-07-23 威鹏塑胶制品(深圳)有限公司 It is inverted the assembly method of precision plastic rubber mold and die cylinder
CN110039722B (en) * 2019-04-28 2021-07-23 威鹏塑胶制品(深圳)有限公司 Inverted precision plastic mold and assembly method of mold oil cylinder

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190205

Termination date: 20210709

CF01 Termination of patent right due to non-payment of annual fee