CN204914451U - Die cavity hydro -cylinder is loosed core and is prevented backward gear - Google Patents
Die cavity hydro -cylinder is loosed core and is prevented backward gear Download PDFInfo
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- CN204914451U CN204914451U CN201520466808.9U CN201520466808U CN204914451U CN 204914451 U CN204914451 U CN 204914451U CN 201520466808 U CN201520466808 U CN 201520466808U CN 204914451 U CN204914451 U CN 204914451U
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Abstract
The utility model discloses a die cavity hydro -cylinder is loosed core and is prevented backward gear mainly includes I -shaped slider, backing plate, navigation key, hydro -cylinder connecting piece and hydro -cylinder, the setting of I -shaped slider is on the backing plate and can follow the I -shaped guide slot slip on the backing plate side, and I -shaped slider afterbody is provided with one and connects the guide slot, is installing length weak point in the hydro -cylinder connecting piece of connecting the guide slot in the connection guide slot, and the hydro -cylinder connecting piece links to each other with the pull rod front end of hydro -cylinder, respectively be provided with a locating hole that pierces through whole I -shaped slider in the both sides wall of connection guide slot, setting up in the locating hole navigation key, navigation key can get into to be connected in the guide slot and is connected with the draw -in groove block on the hydro -cylinder connecting piece lateral wall, and the navigation key also can enter into and corresponding on the backing plate lock the groove. The utility model discloses can satisfy the mechanical auto -lock of loosing core need not the mechanism of loosing core that the mould volume increases again to make more safety and stability of mould overall structure, the mode locking with reset safelyr, accurate, mould life is longer.
Description
Technical field
The utility model relates to a kind of injection mould, is specially a kind of die cavity loose core of oil cylinder Anti-backup mechanism.
Background technology
In the process of Design of Plastic Mould, frequent meeting because of product structure require do loose core of oil cylinder mould emptier in cavity side, at this, directly common oil cylinder is connected after block if loosed core, in mold injection process, oil cylinder bears injection pressure, and then core-pulling mechanism is retreated cause product part wall thickness of loosing core thicken and produce overlap; The connecting band mechanical self-locking device oil cylinder after block if loosed core, die cavity template needs to thicken, and die cost will obviously increase, and therefore needs to find a kind of a kind of core-pulling mechanism that can meet mechanical self-latching of loosing core and mould volume can not be made again to increase.
Utility model content
For the technological difficulties of above-mentioned existence, the utility model devises a kind of die cavity loose core of oil cylinder Anti-backup mechanism, it can meet looses core mechanical self-latching again without the need to a kind of core-pulling mechanism of mould volume increase, and make mold integral structure safer stable, locked mode is safer, accurate with reset, die life is longer, is a kind of mould core pulling anti-retrogression scheme of practical.
For achieving the above object, the utility model is by the following technical solutions:
A kind of die cavity loose core of oil cylinder Anti-backup mechanism, is characterized in that: mainly comprise I-shaped slide block, backing plate, positioning key, oil cylinder connector and oil cylinder; Described I-shaped slide block is arranged on backing plate and also can slides along the I-shaped guide groove on backing plate side, I-shaped slider tail is provided with a connection guide groove, be installed with the oil cylinder connector being shorter in length than connection guide groove in connection guide groove, oil cylinder connector is connected with the pull bar front end of oil cylinder; The locating hole that one penetrates whole I-shaped slide block is respectively provided with in the two side of described connection guide groove, described positioning key is set in locating hole, positioning key to enter when moving on to the extreme position of connection guide groove rear end after oil cylinder connector in connection guide groove and is connected together with the draw-in groove on oil cylinder connector sidewall, and positioning key skids off when oil cylinder connector moves forward relative to connection guide groove and moves outside locating hole and enter into the corresponding lock slots on backing plate from the draw-in groove of oil cylinder connector.
Further, the class V-shaped groove on to be both sides the be inclined-plane of the draw-in groove on above-mentioned oil cylinder connector sidewall, and the both sides of positioning key the inner are set as the cooperation inclined-plane corresponding with described draw-in groove both sides slope.
Further, the class V-shaped groove on to be both sides the be inclined-plane of the lock slots on above-mentioned backing plate, and the both sides of positioning key outer end are set as the inclined surface corresponding with described lock slots both sides slope.
Further, be connected on front side of above-mentioned I-shaped slide block core-pulling slide block, and the die cavity that core-pulling slide block is positioned at mould is inner.
Further, between above-mentioned oil cylinder connector and oil cylinder pull bar, attachment screw is provided with the anti-rotation pad preventing oil cylinder pull bar from rotating.
The power direction of oil cylinder is changed by I-shaped slide block by the utility model, avoids oil cylinder to cause the problem of cavity plate bottom thickness super thick by direction motion of loosing core.
The utility model oil cylinder is connected by oil cylinder connector with I-shaped slide block.
When matched moulds state, move up into outside positioning key in the lock slots of backing plate and pin I-shaped slide block, oil cylinder connector is positioned at before connection guide groove, the position of positioning hole of the draw-in groove on oil cylinder connector and connection guide groove sidewall staggers, the now motion of oil cylinder pull bar and I-shaped slide block have nothing to do, core-pulling slide block and I-shaped slide block all lock motionless, can ensure that core-pulling slide block locked mode does not fall back, and stop product and thicken at locked mode part wall thickness and produce overlap.
And when die sinking, because leaving gap between oil cylinder connector and connection guide groove rear end, oil cylinder pull bar moves one section of idle stroke of first moving after being, this process is until oil cylinder connector moves to the extreme position of connection guide groove rear end, then start to drive I-shaped slide block synchronously to move backward, now because the draw-in groove position on oil cylinder connector is just corresponding with the position of locating hole, positioning key when moving with I-shaped slide block by the ramp effect of lock slots deviate from backing plate lock slots and in move the draw-in groove being inserted into oil cylinder connector, exit lock-out state, now oil cylinder pull bar just can synchronously retreat with I-shaped slide block and core-pulling slide block and carry out the demoulding.
To sum up, the utility model adopts positioning key mechanical caging I-shaped slide block to lock core-pulling slide block, can ensure that mould there will not be core-pulling slide block setback in injection moulding process, make mould safe and efficient and the mold use life-span can be ensured, and mould structure is simply processed and is also facilitated, as long as oil cylinder adopts common oil cylinder and need not customize super expensive self-locking oil cylinder, reduce the production cost of mould.
Accompanying drawing explanation
Fig. 1, perspective view of the present utility model;
Fig. 2, the utility model are in the structural representation of matched moulds state;
Fig. 3, the utility model are in the structural representation of the state of loosing core;
The structural representation of Fig. 4, the utility model positioning key.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As illustrated in fig. 1 and 2, a kind of die cavity loose core of oil cylinder Anti-backup mechanism, mainly comprises I-shaped slide block 1, backing plate 2, positioning key 3, oil cylinder connector 4 and oil cylinder 5.
Be connected on front side of described I-shaped slide block 1 core-pulling slide block 6, and the die cavity that core-pulling slide block 6 is positioned at mould is inner.Described I-shaped slide block 1 is arranged on backing plate 2 and also can slides along the I-shaped guide groove 21 on backing plate side.Described I-shaped slide block 1 afterbody is provided with a connection guide groove 11, is installed with the oil cylinder connector 4 being shorter in length than connection guide groove 11 in connection guide groove 11, and oil cylinder connector 4 is connected with pull bar 51 front end of oil cylinder 5.
The locating hole 12 that one penetrates whole I-shaped slide block 1 is respectively provided with in the two side of described connection guide groove 11, described positioning key 3 is set in locating hole 12, positioning key 3 to enter when moving on to the extreme position of connection guide groove 11 rear end after oil cylinder connector 4 in connection guide groove 11 and is connected together with the draw-in groove 41 on oil cylinder connector 4 sidewall, and positioning key 3 skids off at oil cylinder connector 4 and moves outside locating hole 12 and enter into the corresponding lock slots 22 on backing plate 2 when connection guide groove 11 moves forward relatively from the draw-in groove 41 of oil cylinder connector 4.
At this, can automatically successfully skid off from the draw-in groove 41 of oil cylinder connector 4 at work for positioning key 3 can be made, draw-in groove 41 on described oil cylinder connector 4 sidewall for both sides be the class V-shaped groove on inclined-plane 411, and the both sides of positioning key 3 the inner are set as the cooperation inclined-plane 31 corresponding with inclined-plane 411, described draw-in groove both sides gradient, its structure as shown in Figure 4.
Equally, can automatically successfully skid off from the lock slots 22 of backing plate 2 at work for positioning key 3 can be made, lock slots 22 on described backing plate for both sides be the class V-shaped groove on inclined-plane 221, and the both sides of positioning key 3 outer end are set as the inclined surface 32 corresponding with inclined-plane 221, described lock slots 22 both sides gradient.
In above die cavity loose core of oil cylinder Anti-backup mechanism, the power direction of oil cylinder 5 is changed by I-shaped slide block 1 by it, and oil cylinder 5 can be avoided to cause the problem of cavity plate bottom thickness super thick by direction motion of loosing core.
When matched moulds state, its structure as shown in Figure 2, move up into outside positioning key 3 in the lock slots 22 of backing plate 2 and pin I-shaped slide block 1, now oil cylinder connector 4 is positioned at before connection guide groove 11, draw-in groove 41 on oil cylinder connector 4 staggers with locating hole 12 position of connection guide groove 11 sidewall, motion and the I-shaped slide block 1 of oil cylinder pull bar 51 have nothing to do, and core-pulling slide block 5,6 and I-shaped slide block 1 all lock motionless, can ensure that core-pulling slide block 6 locked mode does not fall back.
And when die sinking, because leaving gap between oil cylinder connector 4 and connection guide groove 11 rear end, oil cylinder pull bar 51 moves one section of idle stroke of first moving after being, this process is until oil cylinder connector 4 moves to the extreme position of connection guide groove 11 rear end, then start to drive I-shaped slide block 1 synchronously to move backward, now because draw-in groove 41 position on oil cylinder connector 4 is just corresponding with the position of locating hole 12, positioning key 3 act on backing plate lock slots 22 when moving with I-shaped slide block 1 by the inclined-plane 221 of lock slots 22 and in move the draw-in groove 41 being inserted into oil cylinder connector 4, exit lock-out state, now oil cylinder pull bar 51 just can synchronously retreat with I-shaped slide block 1 and core-pulling slide block 6 and carry out the demoulding, its structure as shown in Figure 3.
And after having loosed core, die cavity die sinking ejecting product, then die cavity matched moulds resets, oil cylinder 5 due to the zone of action of positioning key 3 start building word slide block 1 and core-pulling slide block 6 synchronous in move, this process is until core-pulling slide block 6 resets to the end, now core-pulling slide block 6 and I-shaped slide block 1 stop bit motionless, lock slots 22 on backing plate 2 is just corresponding with locating hole 12 position, when oil cylinder 5 continuation motion drives oil cylinder connector 4 to move forward, relative connection guide groove 11 reach is carried out idle stroke motion by oil cylinder connector 4, and the slip of the relative connection guide groove 11 of oil cylinder connector 4 will make positioning key 3 draw-in groove 41 deviate from it also move in insertion backing plate 2 lock slots 22 outward, realize the locking to I-shaped slide block 1 and core-pulling slide block 6, and oil cylinder connector 4 continues relative connection guide groove 11 moves forward, until arrive the front end extreme position of connection guide groove 11 and complete thorough reset, draw-in groove 41 on oil cylinder connector 4 is staggered completely with locating hole 12 position of connection guide groove 11 sidewall.
To sum up, the utility model adopts positioning key 3 mechanical caging I-shaped slide block 1 to lock core-pulling slide block 6, can ensure that mould there will not be core-pulling slide block 6 setback in injection moulding process, make mould safe and efficient and the mold use life-span can be ensured, and mould structure is simply processed and is also facilitated, as long as oil cylinder adopts common oil cylinder and need not customize super expensive self-locking oil cylinder, reduce the production cost of mould.
In addition, for strengthening the stability that oil cylinder pull bar 51 works further, the anti-rotation pad 8 preventing oil cylinder pull bar 51 from rotating between described oil cylinder connector 4 and oil cylinder pull bar 51, is provided with by attachment screw 7.
The above; it is only better embodiment of the present utility model; not any pro forma restriction is done to utility model; every according to know-why of the present utility model to any simple modification made for any of the above embodiments, equivalent variations or modification, still belong to the protection domain of technical solutions of the utility model.
Claims (5)
1. kind of die cavity loose core of oil cylinder Anti-backup mechanism, is characterized in that: mainly comprise I-shaped slide block, backing plate, positioning key, oil cylinder connector and oil cylinder; Described I-shaped slide block is arranged on a backing plate and also can slides along the I-shaped guide groove on backing plate side, I-shaped slider tail is provided with a connection guide groove, be installed with the oil cylinder connector being shorter in length than connection guide groove in connection guide groove, oil cylinder connector is connected with the pull bar front end of oil cylinder; The locating hole that one penetrates whole I-shaped slide block is respectively provided with in the two side of described connection guide groove, described positioning key is set in locating hole, positioning key to enter when moving on to the extreme position of connection guide groove rear end after oil cylinder connector in connection guide groove and is connected together with the draw-in groove on oil cylinder connector sidewall, and positioning key skids off when oil cylinder connector moves forward relative to connection guide groove and moves outside locating hole and enter into the corresponding lock slots on backing plate from the draw-in groove of oil cylinder connector.
2. die cavity loose core of oil cylinder Anti-backup mechanism as claimed in claim 1, it is characterized in that: the class V-shaped groove on to be both sides the be inclined-plane of the draw-in groove on described oil cylinder connector sidewall, and the both sides of positioning key the inner are set as the cooperation inclined-plane corresponding with described draw-in groove both sides slope.
3. die cavity loose core of oil cylinder Anti-backup mechanism as claimed in claim 1, is characterized in that: the class V-shaped groove on to be both sides the be inclined-plane of the lock slots on described backing plate, and the both sides of positioning key outer end are set as the inclined surface corresponding with described lock slots both sides slope.
4. the die cavity loose core of oil cylinder Anti-backup mechanism as described in claim as arbitrary in claim 1-3, is characterized in that: be connected on front side of described I-shaped slide block core-pulling slide block, and the die cavity that core-pulling slide block is positioned at mould is inner.
5. the die cavity loose core of oil cylinder Anti-backup mechanism as described in claim as arbitrary in claim 1-3, is characterized in that: be provided with the anti-rotation pad preventing oil cylinder pull bar from rotating between described oil cylinder connector and oil cylinder pull bar by attachment screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520466808.9U CN204914451U (en) | 2015-07-02 | 2015-07-02 | Die cavity hydro -cylinder is loosed core and is prevented backward gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520466808.9U CN204914451U (en) | 2015-07-02 | 2015-07-02 | Die cavity hydro -cylinder is loosed core and is prevented backward gear |
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| CN204914451U true CN204914451U (en) | 2015-12-30 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110757742A (en) * | 2019-11-04 | 2020-02-07 | 广东博智林机器人有限公司 | Moving die driving device |
| CN111331794A (en) * | 2020-03-09 | 2020-06-26 | 广东长盈精密技术有限公司 | Mould slide device |
-
2015
- 2015-07-02 CN CN201520466808.9U patent/CN204914451U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110757742A (en) * | 2019-11-04 | 2020-02-07 | 广东博智林机器人有限公司 | Moving die driving device |
| CN110757742B (en) * | 2019-11-04 | 2021-07-13 | 广东博智林机器人有限公司 | Moving die driving device |
| CN111331794A (en) * | 2020-03-09 | 2020-06-26 | 广东长盈精密技术有限公司 | Mould slide device |
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