CN102582049A - Pull rod locking device for injection moulding machine and injection moulding machine - Google Patents
Pull rod locking device for injection moulding machine and injection moulding machine Download PDFInfo
- Publication number
- CN102582049A CN102582049A CN2011102556051A CN201110255605A CN102582049A CN 102582049 A CN102582049 A CN 102582049A CN 2011102556051 A CN2011102556051 A CN 2011102556051A CN 201110255605 A CN201110255605 A CN 201110255605A CN 102582049 A CN102582049 A CN 102582049A
- Authority
- CN
- China
- Prior art keywords
- pull bar
- injection moulding
- moulding machine
- locking device
- halfnut
- 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.)
- Pending
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Classifications
-
- 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
- B29C45/64—Mould opening, closing or clamping devices
- B29C45/641—Clamping devices using means for straddling or interconnecting the mould halves, e.g. jaws, straps, latches
-
- 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
- B29C45/1747—Tie-rod connections
-
- 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
- B29C45/64—Mould opening, closing or clamping devices
- B29C45/66—Mould opening, closing or clamping devices mechanical
- B29C2045/665—Mould opening, closing or clamping devices mechanical using a screw or screws having differently threaded parts arranged in series
Abstract
The present invention provides a pull rod locking device for an injection moulding machine which can realize working cycle time for quick locking and unlocking, and the injection moulding machine. The pull rod locking device for the injection moulding machine is used for allowing or preventing movement of a movable template which is penetrated by a pull rod, wherein, the pull rod locking device comprises a pair of half nuts which are respectively arranged at two sides of the pull rod and a drive part which is used for driving the pair of half nuts to simultaneously close to or simultaneously depart from the pull rod. The drive part comprises a rotatable screw through which the pair of half nuts can close to or depart from each other.
Description
Technical field
The present invention relates to be used to lock the device of the pull bar (tie bar) of injection moulding machine, particularly, can realize locking rapidly and removing the device of the turnaround time of locking.
Background technology
The effect of the mold closing mechanism of injection moulding machine be to mould on-off action, be that the action of die sinking and mold closing is controlled.Under the state after the mold closing release of mold closing mechanism, predetermined melted material is injected in the said mould, at this moment, must be firmly fastened to mould and open because of the melted material of high pressure to avoid mould.
That kind as shown in Figure 1, this mold closing mechanism possess fixed form 10 and moving die plate 20, on the opposed surface of said fixed form 10 and moving die plate 20, are respectively arranged with the 1st mould 11 and the 2nd mould 21.Said fixed form 10 links via pull bar 60 with moving die plate 20, and moving die plate 20 moves along pull bar 60.
On the other hand, fixedly moving die plate 20 is opened to avoid the 1st and the 2nd mould 11,21 when injection, therefore, halfnut 30 is installed on moving die plate 20, and 30 pairs of pull bars 60 of this halfnut pressurize (Clamping) and locking.
Particularly, that kind as shown in Figure 2, halfnut 30 is that the center is positioned at both sides with pull bar 60, said halfnut 30 moves pull bar 60 is pressurizeed and lock toward each other, perhaps leaves mutually to remove the locking to pull bar 60.
But,, be arranged on any of halfnut of pull bar both sides hydraulic system 40 be installed for halfnut device in the past.Therefore,, any halfnut is moved and, another halfnut is moved and pull bar is pressurizeed with after pull bar contacts along with the stroke of hydraulic system 40.The halfnut that makes both sides through such method moves pull bar is locked or unlock successively, thus, not only can't promptly lock or unlock, also can produce injecting products bad with problem such as mold closing mechanism breakage.
Summary of the invention
The present invention invents for the prior art problems that solves the illustrated that kind in front, and its purpose is to provide the pull bar locking device that can make the halfnut that is positioned at the pull bar both sides move the injection moulding machine that also promptly locks or unlock simultaneously.
The pull bar locking device of injection moulding machine involved in the present invention that is used to realize the purpose of above-mentioned that kind allows or stops moving of moving die plate that pull bar ran through; Wherein, Said pull bar locking device comprises: a pair of halfnut, and they lay respectively at the both sides of said pull bar; And drive division, its form make said a pair of halfnut towards said pull bar simultaneously near or leave simultaneously.
In addition, said drive division comprises the screw rod that can rotate, and said a pair of halfnut is can be through the rotation of said screw rod close to each other or leave.
In addition, be formed with left-hand screw portion in a side of said screw rod, be formed with right-hand screw portion at the opposite side of said screw rod, said drive division can also comprise: the 1st nut, the halfnut of itself and a side link and are anchored on said left-hand screw portion; With the 2nd nut, the halfnut of itself and opposite side links and is anchored on said right-hand screw portion.
In addition, to achieve these goals, the present invention provides a kind of injection moulding machine that possesses the pull bar locking device, and this pull bar locking device has the structure of above-mentioned that kind.
As noted earlier; The pull bar locking device of the injection moulding machine that embodiment of the present invention is related; Owing to can carry out the locking of halfnut rapidly and remove locking; Operation when therefore injecting becomes easily, and moving die plate is promptly locked, thereby can avoid as in the past, being pushed open by injection pressure because of the locking delayed moving die plate that causes.
Description of drawings
Fig. 1 is the sketch map that mold closing mechanism in the past is shown.
Fig. 2 is the pull bar locking schematic representation of apparatus that illustrates based in the past hydraulic way.
Fig. 3 is the pull bar locking schematic representation of apparatus that the related approach screw of embodiments of the invention is shown.
Fig. 4 is the sketch map that the state after utilizing pull bar locking device shown in Figure 3 with the pull bar locking is shown.
Label declaration
10: fixed form; 11: the 1 moulds; 20: moving die plate; 21: the 2 moulds; 40: hydraulic system; 60: pull bar; 100: the pull bar locking device; 130: halfnut; 131: the 1 nuts; 132: the 2 nuts; 140: motor; 150: screw rod; 151: left-hand screw portion; 152: right-hand screw portion.
The specific embodiment
Below, at length the pull bar locking device of the related injection moulding machine of embodiments of the invention is described with reference to accompanying drawing.
Before explanation; In the mold closing mechanism of the injection moulding machine of having used the related pull bar locking device of embodiments of the invention; Pull bar 60 runs through 4 bights of moving die plate 20, moving die plate 20 through being applied in to the power of this moving die plate 20 and along pull bar 60 towards fixed form 10 near or move to the direction of leaving fixed form 10.At this, can drive moving die plate 20 through following several different methods: the hydraulic way that moves by the stroke of hydraulic cylinder, or through the rotation of ball screw mobile electronic mode etc.
Fig. 3 is the pull bar locking schematic representation of apparatus that the related approach screw of embodiments of the invention is shown, the state after it shows and unlocks.Fig. 4 is the sketch map that the state after using pull bar locking device shown in Figure 3 with the pull bar locking is shown.
Can know that with reference to Fig. 3 and Fig. 4 the related pull bar locking device 100 of embodiments of the invention comprises: halfnut 130, it lays respectively at the both sides of pull bar 60; The the 1st and the 2nd nut 131,132, it is fixed in a side of said halfnut 130; And screw rod 150, itself and the said the 1st and the 2nd nut 131,132 carry out fastening.In addition, can be on moving die plate 20 motor 140 of installing drive screw rod 150 rotations.
More specifically, be formed with left-hand screw portion 151, be formed with right-hand screw portion 152 at the opposite side of said screw rod 150 in a side of said screw rod 150.The 1st nut 131 is anchored on left-hand screw portion 151; And the 1st nut 131 is by the rotation of screw rod 150 and move along the length direction of screw rod 150; The 2nd nut 132 is anchored on right-hand screw portion 152, and the 1st nut 131 is by the rotation of screw rod 150 and move along the length direction of screw rod 150.
But the 1st nut 131 that is anchored on said left-hand screw portion 151 moves to opposite directions on the same direction of rotation of screw rod 150 with the 2nd nut 132 that is anchored on said right-hand screw portion 152.Promptly; Just changeing at screw rod 150 under the situation of (1.) with reference to the direction of arrow of Fig. 3 and Fig. 4; The 1st nut 131 that is anchored on left-hand screw portion 151 is mobile to the right along the length direction of screw rod 150; The 2nd nut 132 that is anchored on right-hand screw portion 152 moves along the length direction of screw rod 150 to the left, thus, the 1st nut 131 and the 2nd nut 132 each other near.On the contrary; Under the situation of screw rod 150 counter-rotatings; The 1st nut 131 that is anchored on left-hand screw portion 151 is moved to the left along the length direction of screw rod 150; The 2nd nut 132 that is anchored on right-hand screw portion 152 moves right along the length direction of screw rod 150, and thus, the 1st nut 131 and the 2nd nut 132 leave each other.
Below, to screw rod 150 just carrying out then make the 1st nut 131 and the 2nd nut 132 near situation under action relationships carry out bright specifically.
At first; Make moving die plate 20 after fixed form 10 moves and adjust the 1st mould 11 and the 2nd mould 21; Melted material is injected to the inside of the 1st mould 11 and the 2nd mould 21; At this moment, 100 pairs of pull bars 60 of pull bar locking device pressurize and lock, and open because of the melted material of high pressure to avoid the 1st and the 2nd mould 11,21.
So that screw rod 150 when just changeing, the halfnut 130 of the both sides that separate closely moves towards being positioned at inboard pull bar 60 each other when make motor 140 action in order to lock pull bar 60.When the halfnut 130 of both sides pressurizeed to pull bar 60 with the state that pull bar 60 is sandwiched and locks, the load on the motor 140 increased, and when the load that reaches setting was above, motor 140 was locked and can not be further rotated.Like this, 130 pairs of pull bars 60 of the halfnut of both sides pressurize, thereby even melted material is injected between the 1st mould 11 and the 2nd mould 21, owing to moving die plate 20 is locked by pull bar 60, so moving die plate 20 can not be pushed to the rear yet.
On the other hand, when desiring to open the 1st mould 11 and the 2nd mould 21 when the injection end of job, make screw rod 150 counter-rotatings, the feasible halfnut 130 that is locking the both sides of pull bar 60 moves to the direction of leaving mutually.
Like this, the halfnut 130 of both sides is expanded to both sides on one side, remove locking to pull bar 60 on one side, thus, moving die plate 20 can rearward move.
On the other hand; Though do not illustrate in the accompanying drawing; But the guiding piece to the moving direction channeling conduct of halfnut 130 can be installed in moving die plate 20, so as the halfnut of both sides 130 can along pull bar 60 near or the direction left move swimmingly.
Preferred embodiments of the present invention have been disclosed for illustrative in foregoing; But the present invention is not limited thereto; Can in the scope of claims, detailed description of the invention and accompanying drawing, carry out various deformation and enforcement, and these belong to scope of the present invention certainly.
Claims (4)
1. the pull bar locking device of an injection moulding machine, this pull bar locking device allow or stop moving of moving die plate that pull bar ran through, it is characterized in that,
The pull bar locking device of said injection moulding machine comprises:
A pair of halfnut, they lay respectively at the both sides of said pull bar; With
Drive division, its form make said a pair of halfnut towards said pull bar simultaneously near or leave simultaneously.
2. the pull bar locking device of injection moulding machine according to claim 1 is characterized in that,
Said drive division comprises the screw rod that can rotate,
Said a pair of halfnut is close to each other or leave through the rotation of said screw rod.
3. the pull bar locking device of injection moulding machine according to claim 2 is characterized in that,
Side at said screw rod is formed with left-hand screw portion, is formed with right-hand screw portion at the opposite side of said screw rod,
Said drive division comprises:
The 1st nut, the halfnut of itself and a side link and are anchored on said left-hand screw portion; With
The 2nd nut, the halfnut of itself and opposite side link and are anchored on said right-hand screw portion.
4. an injection moulding machine is characterized in that,
Said injection moulding machine possesses each the described pull bar locking device in the claim 1～3.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020110004413A KR20120083008A (en) | 2011-01-17 | 2011-01-17 | Half-nut rocking apparatus of injection molding machine |
| KR10-2011-0004413 | 2011-01-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102582049A true CN102582049A (en) | 2012-07-18 |
Family
ID=46471555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102556051A Pending CN102582049A (en) | 2011-01-17 | 2011-08-31 | Pull rod locking device for injection moulding machine and injection moulding machine |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR20120083008A (en) |
| CN (1) | CN102582049A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737812A (en) * | 2013-12-27 | 2014-04-23 | 中山市利群精密实业有限公司 | Anti-blocking mechanism for plastic mold accessories |
| CN111300730A (en) * | 2020-03-02 | 2020-06-19 | 罗永莉 | Toy injection molding machine and injection molding method |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109664533A (en) * | 2019-01-14 | 2019-04-23 | 山东昊华轮胎有限公司 | Radial tyre production activating mold |
| CN111070563A (en) * | 2019-11-07 | 2020-04-28 | 宁波横河模具股份有限公司 | Can avoid impaired automobile housing processing with concatenation formula plastic mold |
| CN117445334B (en) * | 2023-12-26 | 2024-04-02 | 海天塑机集团有限公司 | Die adjusting method of toggle rod type electric injection molding machine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101934576A (en) * | 2009-06-30 | 2011-01-05 | 株式会社名机制作所 | Mold clamping device |
-
2011
- 2011-01-17 KR KR1020110004413A patent/KR20120083008A/en not_active Application Discontinuation
- 2011-08-31 CN CN2011102556051A patent/CN102582049A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101934576A (en) * | 2009-06-30 | 2011-01-05 | 株式会社名机制作所 | Mold clamping device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737812A (en) * | 2013-12-27 | 2014-04-23 | 中山市利群精密实业有限公司 | Anti-blocking mechanism for plastic mold accessories |
| CN111300730A (en) * | 2020-03-02 | 2020-06-19 | 罗永莉 | Toy injection molding machine and injection molding method |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20120083008A (en) | 2012-07-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120718 |