CN102990879A - Quick-changing type injection mechanism for MGP (multiple general-purpose injection head) mold - Google Patents
Quick-changing type injection mechanism for MGP (multiple general-purpose injection head) mold Download PDFInfo
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- CN102990879A CN102990879A CN 201210520671 CN201210520671A CN102990879A CN 102990879 A CN102990879 A CN 102990879A CN 201210520671 CN201210520671 CN 201210520671 CN 201210520671 A CN201210520671 A CN 201210520671A CN 102990879 A CN102990879 A CN 102990879A
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- injection
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- push pedal
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Abstract
The invention discloses a quick-changing type injection mechanism for an MGP (multiple general-purpose injection head) mold. The quick-changing type injection mechanism comprises an injection pushing plate, an injection head seat and a connecting head, wherein the connecting head is movably connected to the injection head seat by a core shaft; a reset spring is sleeved on the core shaft; the connecting head comprises a circular base connected with the core shaft, and an arc side wall connected with the edge of the end surface of the base; the free end of the arc side wall extends inwards in the radial direction so as to form an arc boss; a semi-circle hole is formed in the center of the arc boss; and the arc boss and the arc side wall jointly forms a clamping groove with an opening; the connecting end, connected with the connecting head, of a connecting rod is provided with a short shaft with the diameter which is matched with that of the semi-circle hole in the arc boss; and the free end of the short shaft is connected with a cylinder which can be matched with the arc boss to realize the connection. According to the quick-changing type injection mechanism, the disassembling can be realized only by moving the injection head seat, and therefore, the disassembling is convenient and fast, the disassembling strength is reduced, and the efficiency is greatly improved; and as the reset spring is exposed, the cleaning is convenient, and the maintenance time is shortened.
Description
Technical field
The present invention relates to the injection mechanism of MGP mould, especially the jockey of injection mechanism connector and connecting rod.
Background technology
The multi-gate pole mould is called for short the MGP mould, mould adopts exempts from preheating type minor diameter resin (Φ 9.8～Φ 18mm), compare with the single cylinder mould, resin forming differs greatly hardening time, general multi-gate pole mould is 60～90 seconds, and the single cylinder mould is 120～180 seconds, so production efficiency is more than doubled.The multi-gate pole mould then can effectively be avoided this phenomenon, and the goods package quality is high, and packaging technology is stable, so the MGP mould has obtained using widely.The injection mechanism of MGP mould because of the working environment very severe, usually can amass full dust, causes injection mechanism obstruction or stuck, and simultaneously, usually injection head assembly stressed extruding of connecting rod head meeting when moving up and down causes the thick phenomenon of connecting rod head pier.Original structure adopts 90 ° of rotary injection head assemblies to allow the connecting rod flat filament by the connector kidney slot, thereby realize picking and placeing up and down the injection head assembly, but behind connecting rod head mushrooming deformation, will cause connecting rod head flat filament greater than the kidney slot width, the injection head assembly will be stuck in connector position and can't take out like this, has a strong impact on the service life of injection head assembly.Therefore the injection head assembly is convenient to dismounting, is convenient to safeguard, and is just especially important.
Summary of the invention
Purpose of the present invention just provides a kind of quick-changing type injection mechanism of being convenient to the MGP mould dismantling, be convenient to safeguard.
For achieving the above object, the technical solution used in the present invention is: the quick-changing type injection mechanism that is used for the MGP mould, it comprises the injection push pedal, several parallel connectors on injecting headstock and being connected to the injection headstock, be connected with connecting rod and injection head on the connector in turn, it is characterized in that described connector is movably connected on the injection headstock by axle, be set with back-moving spring on the axle, described connector comprises the cup dolly that is connected with axle and the curved wall that is connected with the base end face edge, the curved wall free end extends radially inwardly and consists of the arc boss that there is semicircle orifice in central authorities, jointly consists of the draw-in groove of opening; The link that described connecting rod is connected with connector is provided with the suitable minor axis of diameter and arc boss upper semi-circle bore dia, and the free end of minor axis is connected with to cooperate with arc boss realizes the cylinder that is connected; Described injection push pedal is provided with chute, and injection headstock bottom is positioned at chute can slide the injection headstock before and after chute, and the injection push pedal is provided with injection headstock sliding latch mechanism.
Adopt technique scheme, connector is designed with draw-in groove, when the injection head assembly is positioned at connecting rod bottom dead centre place, injection headstock move left and right, the minor axis of connecting rod lower end and cylinder just can or block from disengagement in the draw-in groove, the locking that just can realize the injection head assembly with unclamp, thereby realize easy-to-dismount purpose, back-moving spring owing to injection headstock top exposes fully simultaneously, this back-moving spring exposed structure is convenient to safeguard and cleaning, when scrap is arranged, after the dismounting, only need to be neat and tidy once blowing with air gun, shortened the maintenance time of equipment.
Above-mentioned injection headstock sliding latch mechanism is characterized in that described injection headstock sliding latch mechanism comprises fixed block and is positioned at backing pin on the fixed block, described fixed block is fixed on injection push pedal end, backing pin can move down in the fixed block hole under external force, realizes sliding latch by backing pin extruding injection headstock.
For realizing the location between injection headstock and the injection push pedal, be provided with positioner between injection headstock and the injection push pedal, described positioner comprises latch, the injection headstock is provided with the jack adaptive with latch with injection push pedal correspondence position, is plugged in the jack of injecting headstock and injection push pedal correspondence position by latch and realizes the location.
Beneficial effect of the present invention is: because connector is connected with the connecting rod plug-in, as long as move the injection headstock, just can realize dismounting, so convenient disassembly is rapid, has reduced dismounting labour intensity, has greatly improved efficient; Because back-moving spring exposes, cleaning is convenient, has shortened maintenance time.
Description of drawings
Fig. 1 is clamping view of the present invention.
Fig. 2 is the left view of this Fig. 1.
Among the figure, 1, injection head, 2, connecting rod, 3, connector, 4, axle, 5, back-moving spring, 6, the injection headstock, 7, the injection push pedal, 8, backing pin, 9, fixed block, 10, minor axis, 11, cylinder, 12, curved wall, 13, arc boss, 14, latch.
The specific embodiment
Below in conjunction with description of drawings the present invention is done and to describe in further detail:
As shown in Figure 1, the quick-changing type injection mechanism that is used for the MGP mould of the present embodiment, several parallel connectors 3 on it comprises injection push pedal 7, injection headstock 6 and is connected to injection headstock 6, be connected with connecting rod 2 and injection head 1 on the connector 3 in turn, connector 3 is movably connected on the injection headstock 6 by axle 4, as shown in Figure 2, and the bottom of axle 4 bolt-connection limited location piece, limited block is positioned at the through hole of injection headstock 6, and axle can be moved down.Be set with back-moving spring 5 on the axle 4, connector 3 comprises the cup dolly that is connected with axle 4 and the curved wall 12 that is connected with the base end face edge, curved wall 12 can wrap up the cylinder of connecting rod end, curved wall 12 free ends extend radially inwardly and consist of the arc boss 13 that there is semicircle orifice in central authorities, jointly consist of the draw-in groove of opening.Semicircle orifice is to step down for the minor axis of connecting rod 2.The link that connecting rod 2 is connected with connector 3 is provided with the suitable minor axis 10 of diameter and arc boss 13 upper semi-circle bore dias, and the free end of minor axis 10 is connected with to cooperate with arc boss 13 realizes the cylinder 11 that is connected, and the diameter of cylinder 11 is greater than the diameter of minor axis 10.Injection push pedal 7 is provided with chute, and injection headstock 6 bottoms are positioned at chute can slide injection headstock 6 before and after chute, and injection push pedal 7 is provided with injection headstock sliding latch mechanism.As long as injection headstock sliding latch mechanism can realize injection headstock 6 lockings, both can be by block also locking by other means, the injection headstock sliding latch mechanism of the present embodiment comprises fixed block 9 and the backing pin 8 that is positioned on the fixed block 9, described fixed block 9 is fixed on injection push pedal 7 ends, backing pin 8 is positioned at the vestibule of fixed block, can in vestibule, move down under external force, realize sliding latch by backing pin 8 extruding injection headstocks 6.
Be provided with positioner between injection headstock and the injection push pedal, positioner comprises latch 14, injection headstock 6 is provided with the jack adaptive with latch with injection push pedal 7 correspondence positions, is plugged in the jack of injecting headstock and injection push pedal correspondence position by latch 14 and realizes the location.
The present invention uses like this: at first backing pin 8 is pulled to the next, the injection headstock 6 of packing into; After injection headstock 6 passes through backing pin 8 positions fully, unclamp handle, backing pin 7 is got back to upper automatically, allows injection headstock 6 as close as possible backing pins 8 come to a complete stop, then along the Z-direction injection head assembly (require injection push pedal be in upper) of packing into, until arrive at connecting rod 2 bottom dead centre places.When all injection head assemblies all arrive at connecting rod after bottom dead center, push injection headstock 6 assemblies, the locked injection head assembly of connector draw-in groove inserts latch locating injection headstock assembly.The injection head holder assembly can work.
When the demolition and maintenance of injection head holder assembly, at first latch 14 to be separated with injection push pedal 7 location, retracting injection headstock 6 assemblies is close to backing pin 8 positions and comes to a complete stop, thereby realize that the connector draw-in groove separates fully with the injection head connecting rod, then along Z-direction the injection head assembly is extracted (requiring the injection push pedal to be in upper) from the connecting rod bottom dead centre.After confirming that all injection head assemblies have all been extracted, just backing pin can be pulled to the nextly, can extract mould this moment with the injection head holder assembly.
The maintenance that the injection head holder assembly detaches behind the mould is also very simple, because spring exposes fully, has the cull scrap generally can finish by the air gun cleaning, has saved the time of demolition and maintenance.
Claims (3)
1. the quick-changing type injection mechanism that is used for the MGP mould, it comprises injection push pedal (7), several parallel connectors (3) on injecting headstock (6) and being connected to injection headstock (6), be connected with connecting rod (2) and injection head (1) on the connector (3) in turn, it is characterized in that described connector (3) is movably connected on the injection headstock (6) by axle (4), be set with back-moving spring (5) on the axle (4), described connector (3) comprises the cup dolly that is connected with axle (4) and the curved wall (12) that is connected with the base end face edge, curved wall (12) free end extends radially inwardly and consists of the arc boss (13) that there is semicircle orifice in central authorities, jointly consists of the draw-in groove of opening; The link that described connecting rod (2) is connected with connector (3) is provided with the suitable minor axis (10) of diameter and arc boss (13) upper semi-circle bore dia, and the free end of minor axis (10) is connected with to cooperate with arc boss (13) realizes the cylinder (11) that is connected; Described injection push pedal (7) is provided with chute, and injection headstock (6) bottom is positioned at chute can slide injection headstock (6) before and after chute, and injection push pedal (7) is provided with injection headstock sliding latch mechanism.
2. the quick-changing type injection mechanism for the MGP mould according to claim 1, it is characterized in that described injection headstock sliding latch mechanism comprises fixed block (9) and is positioned at backing pin (8) on the fixed block (9), described fixed block (9) is fixed on injection push pedal (7) end, backing pin (8) can move down in the fixed block hole under external force, realizes sliding latch by backing pin (8) extruding injection headstock (6).
3. the quick-changing type injection mechanism for the MGP mould according to claim 1 and 2, it is characterized in that being provided with positioner between described injection headstock and the injection push pedal, described positioner comprises latch (14), injection headstock (6) is provided with the jack adaptive with latch with injection push pedal (7) correspondence position, is plugged in the jack of injecting headstock and injection push pedal correspondence position by latch (14) and realizes locating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210520671 CN102990879A (en) | 2012-12-07 | 2012-12-07 | Quick-changing type injection mechanism for MGP (multiple general-purpose injection head) mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210520671 CN102990879A (en) | 2012-12-07 | 2012-12-07 | Quick-changing type injection mechanism for MGP (multiple general-purpose injection head) mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102990879A true CN102990879A (en) | 2013-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210520671 Pending CN102990879A (en) | 2012-12-07 | 2012-12-07 | Quick-changing type injection mechanism for MGP (multiple general-purpose injection head) mold |
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| CN (1) | CN102990879A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107053618A (en) * | 2017-03-08 | 2017-08-18 | 安徽国晶微电子有限公司 | A kind of integrated circuit plastic packaging mould injecting systems |
| WO2019033544A1 (en) * | 2017-08-16 | 2019-02-21 | 太仓佳锐精密模具有限公司 | Quick assembling and disassembling injection head |
-
2012
- 2012-12-07 CN CN 201210520671 patent/CN102990879A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107053618A (en) * | 2017-03-08 | 2017-08-18 | 安徽国晶微电子有限公司 | A kind of integrated circuit plastic packaging mould injecting systems |
| WO2019033544A1 (en) * | 2017-08-16 | 2019-02-21 | 太仓佳锐精密模具有限公司 | Quick assembling and disassembling injection head |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130327 |