CN2647553Y - Double-inversed buckle type mechanical safety device for injection moulding machine - Google Patents
Double-inversed buckle type mechanical safety device for injection moulding machine Download PDFInfo
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- CN2647553Y CN2647553Y CN 03247921 CN03247921U CN2647553Y CN 2647553 Y CN2647553 Y CN 2647553Y CN 03247921 CN03247921 CN 03247921 CN 03247921 U CN03247921 U CN 03247921U CN 2647553 Y CN2647553 Y CN 2647553Y
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- mechanical safety
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model provides a double back-off mechanical safety device for an injection-molding machine consisting of two sets of mechanical safety components. The two sets of mechanical safety components are respectively arranged on the two flanks of the injection-molding machine, each consisting of a safety mandril, a switch mechanism and a baffle block. The baffle block is jammed and connected inside a retaining groove and the switch mechanism is connected with the baffle block. The switch mechanism consists of a safety knife-switch stayguy and a reposition spring. One end of the safety knife-switch stayguy is connected with the baffle block and the other end is connected with the exit of the injection-molding machine. One end of the reposition spring is connected with the injection-molding machine body and the other end is connected with the baffle block. The utility model can achieve a safety protection by an interlink and coaction of two sets of mechanical safety components, which is more secure and reliable to use. The utility model is reasonable in structure, balanced in strainedcondition and capable of improving the service life of the moving moulding board. Advantages are that the utility model is simple in structure, easy to manufacture, process and assemble and is applicable to various kinds of injection-molding machines with a brighter market prospect.
Description
Technical field
The utility model relates to the release mechanism on a kind of injection machine, the two reverse buckling type mechanical safety devices of particularly a kind of injection machine.
Background technology
In injection moulding is produced; for the safe operation that guarantees injection machine and protection operator's handling safety and mould are not damaged; generally all dispose safety device on the injection machine; existing safety device generally is a mechanical safety device; injection machine electric in conjunction with adopting, the hydraulic safety device structure is meanwhile also arranged, and the safety device of various ways is used in combination and can makes injection machine operation operation more safe and reliable.The prior mechanical safety device generally is the form that adopts one-sided setting, it mainly is a side that the mechanical type safety member is arranged on injection machine, there is certain hidden danger in the mechanical safety device of this one-sided set-up mode on safety, all be provided with the safety door that picks and places workpiece as the injection machine both sides, so this mechanical safety device is monitored the state of a side safety door only, can not monitor then for the opposite side safety door that (the opposite side safety door often only adopts travel switch to control, and travel switch is malfunctioning because of electric fault easily), the easy like this generation that causes accident; On the other hand, analyze from loading angle, the one-sided effect of the safety device of this form makes the force unbalance that is subjected to of injection machine, and long-term use causes injection machine generation mechanical breakdown easily.The patent No. is that 99206814.2 Chinese utility model discloses a kind of " the underneath type mechanical safety device of injection machine ", this mechanical safety device also is a kind of version of one-sided effect, mainly cooperate with baffle plate and form by stock, switching device, stock is the safety axle that has breach, switching device is for having bearing, the pole that is fixed with connecting rod, support plate is fixed on the frame by support, and the two ends of safety axle are connected with the lower end of moving platen, rear pattern plate respectively and cooperate with the baffle plate of rear pattern plate; This mechanical safety device is installed on the downside of injection machine, though the last end spaces of moving platen can be abdicated, it makes the stressed more inhomogeneous of injection machine; In addition, the switching device member of this mechanical safety device is more, and transmission process is longer, and mechanical breakdown takes place the structure more complicated easily.
Summary of the invention
The purpose of this utility model is to overcome the shortcoming of prior art, provide a kind of rational in infrastructure, stress balance, effect safe and reliable be applied to two reverse buckling type mechanical safety devices on the injection machine.
The purpose of this utility model is achieved through the following technical solutions: the two reverse buckling type mechanical safety devices of this injection machine comprise two cover machine security members, two cover machine security members are arranged on the both sides of injection machine, monitor the on off state of the safety door of injection machine both sides respectively.
Described machine security member comprises safe push rod, construction of switch, block, block is connected in the back stop slot of safe push rod, construction of switch is connected with block to control the connection status of itself and safe push rod, it is characterized in that: described construction of switch comprises safety knife switch backguy, back-moving spring, described safety knife switch backguy one end is connected with block, the other end is connected with the safety door of injection machine, and back-moving spring one end is connected with the body of injection machine, and the other end is connected with block; Clamping and disengagement that back-moving spring matches and can control block and safe push rod with the safety knife switch backguy.
Described safe push rod is installed in the medium position of injection machine, and one end and moving platen are connected, and the other end passes the fixed block that has through hole and is connected with block.
The back stop slot of described safe push rod is for can be annular or wedge shape back stop slot.
Described machine security member is connected with the electrical safety member.
Described electrical safety member is a travel switch, monitors the location status of block thereby described travel switch is connected with block.
Described machine security member can add the hydraulic safe interlocking component according to actual conditions.
Action principle of the present utility model is: when injection machine both sides safety door is all closed, the block that pull-up is attached thereto is all tightened up in the safety knife switch backguy that is connected with the both sides safety door, thereby the elastic force that block overcomes back-moving spring withdraws from the safety push rod from the back stop slot of safety push rod and disengages, but this moment, safe push rod servo-actuated swooping template action carried out injection operation; When finishing an injection operation and need take out injecting products, open the safety door of either side, safety door unclamped the safety knife switch backguy that is attached thereto and made it put down block this moment, block falls to being connected in the back stop slot of safe push rod rapidly under the effect of deadweight and back-moving spring, safe push rod can not be moved, thereby the fixing moving platen that is connected with safe push rod can not move ahead it, to guarantee operator's safety; Because the safe push rod of injection machine both sides all is connected with moving platen, so have only under the situation that the safety door of both sides all closes, moving platen just can move; Under the situation that any side safety door is not closed, moving platen all can not be moved by the tension of safety push rod and move ahead, thereby can protect the operator's of injection machine both sides safety effectively.This pair of reverse buckling type mechanical safety device also can be easily be used in combination with electrical safety member such as travel switch and hydraulic safe interlocking component, realizes that simultaneously mechanical, electric, hydraulic pressure triple safe protects, and uses more safe and reliable.
The utility model has following advantage and effect with respect to prior art: (1) uses more safe and reliable; Because this pair reverse buckling type mechanical safety device is realized safeguard protection by the interrelated acting in conjunction of two cover machine security members, so version with respect to one-sided mechanical protection, this device can more effectively prevent the production accident electric, that take place when fluid pressure warning device breaks down that injection machine one side is provided with separately, thereby can ensure injection machine operating personnel's safety better; (2) rational in infrastructure, stress balance; Because this device adopts the symmetrically arranged version of two cover machine security members, two cover machine security members are symmetrical balances to the active force of moving platen, so in the service life of adopting this device can obviously improve moving platen, avoid the one-sided stressed damage that moving platen is caused; (3) applied widely; This apparatus structure is simple, is easy to make, processes and assembling, applicable to various injection moulding machines, good market prospect.
Description of drawings
Fig. 1 is the structural representation of the two reverse buckling type mechanical safety devices of the utility model injection machine.
Fig. 2 is the side view of the two reverse buckling type mechanical safety devices of injection machine shown in Figure 1.
Fig. 3 is the left view of the two reverse buckling type mechanical safety devices of injection machine shown in Figure 2.
Fig. 4 is the partial structurtes schematic diagram of the two reverse buckling type mechanical safety devices of injection machine shown in Figure 2.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is described in further detail, but embodiment of the present utility model is not limited thereto.
Embodiment
Fig. 1～Fig. 4 shows concrete structure of the present utility model, and as seen from Figure 1, the two reverse buckling type mechanical safety devices of this injection machine comprise two cover machine security member I, II, and two cover the safety member I of mechanism, II are arranged on two middle side parts of injection machine; The structure of described every cover machine security member such as Fig. 2～shown in Figure 4, comprise safe push rod 1, safety knife switch backguy 2, back-moving spring 3, the fixed block 4 of band through hole, block 5, the fixed block 4 of band through hole is fixedly connected with the body 7 at injection machine middle part by bolt 6, safe push rod 1 one ends pass the through hole 8-1 of moving platen 8 sides and use nut 9 fixedly connected, the other end passes the through hole of fixed block 4 and is processed with annular back stop slot 1-1, block 5 is movably arranged on a side of fixed block 4 by hinge 10, and be connected with the annular back stop slot 1-1 of safety push rod 1, can be connected in the annular back stop slot 1-1 or throw off; The headgear 2-1 of safety knife switch backguy 2 is by being bolted on the fixed block 4, safety knife switch backguy 2 one ends are connected with block 5, the other end is connected with the safety door of injection machine, specifically as shown in Figure 4, as seen from Figure 4, be connected with jacking block 12-1 on the safety door 12, safety knife switch backguy 2 is connected on the safety knife switch backguy seat 13 that is fixed on the body 7, be connected with the controll block 13-1 of safety knife switch backguy seat 13, controll block 13-1 can contact with jacking block 12-1 and be connected, when safety door 12 moves to right when closing, jacking block 12-1 ejection controll block 13-1 overcomes the active force of spring 13-2 and turns right, and controll block 13-1 pulling safety knife switch backguy 2 makes its pull-up block 5; When safety door 12 moved to left unlatching, jacking block 12-1 unclamped controll block 13-1, and controll block 13-1 resets under the active force of spring 13-2, thereby loosen block 5 it is fallen.Back-moving spring 3 one ends and fixed block 4 are connected, and the other end and block 5 are connected; Also be provided with travel switch 11 on block 5, travel switch 11 is fixed on the fixed block 4, and the contact roller 11-1 of its lower end abuts against on the block 5.Above-mentioned safety knife switch backguy 2 can be selected 17910-GY6-9010 type throttling lead for use; Travel switch 11 can be selected XCK-P118 type travel switch for use.
The action principle of the two reverse buckling type mechanical safety devices of this injection machine is: when injection machine both sides safety door is all closed, the block 5 that pull-up is attached thereto is all tightened up in the safety knife switch backguy 2 that is connected with the both sides safety door, thereby the elastic force that block 5 overcomes back-moving spring 3 withdraws from safety push rod 1 in the annular back stop slot 1-1 of safety push rod 1 and disengages, and this moment, safe push rod 1 can carry out injection operation with moving platen 8 actions; Meanwhile, the contact roller 11-1 that block 5 promotes travel switch 11 lower ends makes travel switch 11 keep closed condition, and the power source of connecting moving platen 8 makes it can promote moving platen 8.When finishing an injection operation and need take out injecting products, open the safety door of either side, this moment, safety door unclamped the safety knife switch backguy 2 that is attached thereto to allow it put down block 5, block 5 falls to being connected in the annular back stop slot 1-1 of safe push rod 1 rapidly under the spring force effect of deadweight and back-moving spring 3, safe push rod 1 can not be moved to the aspect that moving platen 8 advances, thereby the fixing moving platen 8 that is connected with safe push rod 1 can not move ahead to guarantee operator's safety it; At this moment, the contact roller 11-1 that block 5 puts down travel switch 11 lower ends makes travel switch 11 be held open state, and travel switch 11 cuts off the power source that promotes moving platen 8 can not move ahead moving platen 8.
Because the safe push rod 1 of injection machine both sides all is connected with moving platen 8, so have only under the situation that the safety door of both sides all closes, moving platen 8 just can move; Under the situation that any side safety door is not closed, moving platen 8 all can not be moved by 1 tension of safety push rod and move ahead, thereby can protect the operator's of injection machine both sides safety effectively.Simultaneously, the travel switch 11 of injection machine both sides also can play inter-related electic protection effect, can realize machinery, electric dual security protection function, makes the injection machine operation safe reliable.
Claims (7)
1, the two reverse buckling type mechanical safety devices of a kind of injection machine, it is characterized in that: comprise two cover machine security members, two cover machine security members are separately positioned on the both sides of injection machine, described machine security member comprises safe push rod, construction of switch, block, block is connected in the back stop slot of safe push rod, construction of switch is connected with block, described construction of switch comprises the safety knife switch backguy, back-moving spring, described safety knife switch backguy one end is connected with block, the other end is connected with the safety door of injection machine, back-moving spring one end is connected with the body of injection machine, and the other end is connected with block.
2, the two reverse buckling type mechanical safety devices of injection machine according to claim 1, it is characterized in that: described safe push rod one end and moving platen are connected, and the other end passes the fixed block that has through hole and is connected with block.
3, the two reverse buckling type mechanical safety devices of injection machine according to claim 1, it is characterized in that: described safe push rod is installed in the medium position of injection machine.
4, the two reverse buckling type mechanical safety devices of injection machine according to claim 1 is characterized in that: the back stop slot of described safe push rod is for being annular or wedge shape back stop slot.
5, the two reverse buckling type mechanical safety devices of injection machine according to claim 1, it is characterized in that: described machine security member is connected with the electrical safety member.
6, the two reverse buckling type mechanical safety devices of injection machine according to claim 5, it is characterized in that: described electrical safety member is a travel switch, and described travel switch is connected with block.
7, two reverse buckling type mechanical safety devices of injection machine according to claim 1 or 5, it is characterized in that: described machine security member is connected with the hydraulic safe interlocking component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03247921 CN2647553Y (en) | 2003-07-02 | 2003-07-02 | Double-inversed buckle type mechanical safety device for injection moulding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03247921 CN2647553Y (en) | 2003-07-02 | 2003-07-02 | Double-inversed buckle type mechanical safety device for injection moulding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2647553Y true CN2647553Y (en) | 2004-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03247921 Expired - Fee Related CN2647553Y (en) | 2003-07-02 | 2003-07-02 | Double-inversed buckle type mechanical safety device for injection moulding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2647553Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102101354A (en) * | 2009-12-21 | 2011-06-22 | 发那科株式会社 | Mechanical safety device for injection molding machine |
| CN102729445A (en) * | 2012-06-11 | 2012-10-17 | 无锡天惠塑机有限公司 | Drawbar type injection molding machine machinery protection device |
| CN103660219A (en) * | 2012-09-07 | 2014-03-26 | 震雄资产管理有限公司 | Machine-door protective device for injection moulding machine |
| CN111037851A (en) * | 2019-12-20 | 2020-04-21 | 博创智能装备股份有限公司 | Safety lock structure for mold, mold and molding equipment |
-
2003
- 2003-07-02 CN CN 03247921 patent/CN2647553Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102101354A (en) * | 2009-12-21 | 2011-06-22 | 发那科株式会社 | Mechanical safety device for injection molding machine |
| CN102101354B (en) * | 2009-12-21 | 2013-10-09 | 发那科株式会社 | Mechanical safety device for injection molding machine |
| CN102729445A (en) * | 2012-06-11 | 2012-10-17 | 无锡天惠塑机有限公司 | Drawbar type injection molding machine machinery protection device |
| CN103660219A (en) * | 2012-09-07 | 2014-03-26 | 震雄资产管理有限公司 | Machine-door protective device for injection moulding machine |
| CN111037851A (en) * | 2019-12-20 | 2020-04-21 | 博创智能装备股份有限公司 | Safety lock structure for mold, mold and molding equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20041013 Termination date: 20100702 |