CN220720154U - Injection mold - Google Patents

Abstract

The utility model relates to an injection mold, which comprises an upper bottom plate, a lower bottom plate, a connecting rod for connecting the upper bottom plate and the lower bottom plate, a sliding plate connected on the connecting rod in a sliding way, an upper module arranged on the sliding plate, a lower module fixed on the lower bottom plate, a mold closing cylinder fixed on the upper bottom plate, and a jacking mechanism, wherein the jacking mechanism comprises a supporting plate, a connecting shaft, an upper wedge block, a lower wedge block and a jacking cylinder, the supporting plate is positioned at the bottom of a molding cavity of the lower module, the connecting shaft is in sliding fit with a shaft hole of the lower module, one end of the connecting shaft is connected with the supporting plate, the other end of the connecting shaft is connected with the lower wedge block, a guide groove is arranged on the right side of the lower wedge block, and a guide convex edge in sliding fit with the guide groove is arranged on the side wall of a mounting groove of the lower module. According to the utility model, the jacking mechanism is arranged, so that the molded product can be jacked directly from the molding cavity, the product can be conveniently jacked from the molding cavity, the discharging is convenient, and the production efficiency is improved.

Description

Injection mold

Technical Field

The utility model relates to the technical field of injection molds, in particular to an injection mold.

Background

The injection mold is a tool for producing plastic products, and is also a tool for endowing the plastic products with complete structures and accurate dimensions for processing the injection mold.

After the product is molded, the molded product needs to be taken out of the molding cavity, and the molding cavity is basically arranged on the lower module in a cavity mode, so that the molded product is easy to clamp in the mold cavity and inconvenient to take out, and the injection mold capable of directly ejecting the molded product out of the molding cavity is provided.

Disclosure of Invention

Aiming at the defects in the background technology, the utility model provides an injection mold.

The technical scheme adopted by the utility model is as follows: the utility model provides an injection mold, includes upper plate, lower plate, is used for connecting the connecting rod of upper plate and lower plate, sliding connection slide on the connecting rod, the last module of setting on the slide, fix the lower module on the lower plate and fix the compound die cylinder on the upper plate, compound die cylinder output and slide connection still include jack-up mechanism, jack-up mechanism includes layer board, connecting axle, last wedge, lower wedge and jack-up cylinder, the layer board is located the shaping chamber bottom of lower module, the connecting axle is with the shaft hole sliding fit of lower module, and the one end and the layer board of connecting axle are connected, and the other end is connected with lower wedge, the right side of lower wedge is equipped with the guide way, be equipped with on the mounting groove lateral wall of lower module with above-mentioned guide way sliding fit's guide bead, the inclined plane of lower wedge is laminated with the inclined plane of last wedge, jack-up cylinder is fixed in the mounting groove of lower module, and jack-up cylinder's output and lower wedge are connected.

Further, a supporting plate groove for accommodating the supporting plate is formed in the bottom of the forming cavity of the lower module, and a sealing ring in sealing fit with the supporting plate is arranged on the side wall of the supporting plate groove.

Further, a buffer spring is sleeved on the connecting rod between the sliding plate and the lower bottom plate.

Further, the upper module is connected with a sliding rod, the sliding rod slides through a sliding hole of the sliding plate, a limiting ring is arranged on the sliding rod above the sliding plate, a housing for covering the top of the whole sliding rod is arranged on the sliding plate, a module spring is arranged between the limiting ring and the housing, and the module spring has elasticity for forcing the sliding rod to move downwards.

Further, a layer of buffer rubber pad is arranged on the top wall of the housing.

Further, the cover shell is fixed on the sliding plate through bolts.

The beneficial effects of the utility model are as follows: according to the utility model, the jacking mechanism is arranged, so that the molded product can be jacked directly from the molding cavity, the product can be conveniently jacked from the molding cavity, the discharging is convenient, and the production efficiency is improved.

In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages.

The utility model will be described in further detail with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is an enlarged schematic view at a in fig. 1.

Fig. 3 is an enlarged schematic view at B in fig. 1.

Fig. 4 is an enlarged schematic view at C in fig. 1.

In fig. 1-4: 1. an upper base plate; 2. a lower base plate; 3. a connecting rod; 4. a slide plate; 5. an upper module; 6. a lower module; 7. a die closing cylinder; 8. a supporting plate; 9. a connecting shaft; 10. an upper wedge; 11. a lower wedge; 12. jacking up the air cylinder; 13. a molding cavity; 14. a shaft hole; 15. a guide groove; 16. a mounting groove; 17. a guide rib; 18. a seal ring; 19. a buffer spring; 20. a slide bar; 21. a slide hole; 22. a limiting ring; 23. a housing; 24. a module spring; 25. a buffer rubber pad; 26. and (5) a bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

The utility model provides an injection mold.

In this embodiment, referring to fig. 1 to 4, the injection mold comprises an upper bottom plate 1, a lower bottom plate 2, a connecting rod 3 for connecting the upper bottom plate and the lower bottom plate, a sliding plate 4 slidably connected to the connecting rod, an upper module 5 arranged on the sliding plate, a lower module 6 fixed on the lower bottom plate, and a mold closing cylinder 7 fixed on the upper bottom plate, wherein the output end of the mold closing cylinder is connected with the sliding plate, and the injection mold further comprises a jacking mechanism, the jacking mechanism comprises a supporting plate 8, a connecting shaft 9, an upper wedge block 10, a lower wedge block 11 and a jacking cylinder 12, wherein the supporting plate is positioned at the bottom of a forming cavity 13 of the lower module, the connecting shaft is slidably matched with a shaft hole 14 of the lower module, one end of the connecting shaft is connected with the supporting plate, the other end of the connecting shaft is connected with the lower wedge block, a guide groove 15 is arranged on the right side of the lower wedge block, a guide rib 17 slidably matched with the guide groove is arranged on the side wall of a mounting groove 16 of the lower module, the inclined surface of the lower wedge block is adhered with the inclined surface of the upper wedge block, the jacking cylinder is fixed in the mounting groove of the lower module, and the jacking cylinder is connected with the output end of the lower wedge block.

Among the above-mentioned technical scheme, through setting up jack-up mechanism, can directly jack-up the product after the shaping from the shaping chamber to the convenience is ejecting the product from the shaping intracavity, and the ejection of compact is convenient, improves production efficiency.

The jacking mechanism jacks up or puts down the supporting plate by utilizing the interaction of the two wedge blocks (the upper wedge block and the lower wedge block), and has simple structure and stable and reliable matching. The guide groove on the right side of the upper wedge block is in sliding fit with the guide convex edge on the side wall of the mounting groove, so that the track of the up-and-down action of the upper wedge block is limited, and the problem of clamping stagnation or clamping death caused by the inclination of the up-and-down action is avoided.

Specifically, the bottom of the molding cavity of the lower module is provided with a supporting plate groove for accommodating the supporting plate, and the side wall of the supporting plate groove is provided with a sealing ring 18 in sealing fit with the supporting plate.

In this embodiment, by providing a seal ring, the tightness between the pallet and the pallet groove is ensured.

Specifically, a buffer spring 19 is sleeved on the connecting rod between the sliding plate and the lower bottom plate.

In the technical scheme, the buffer spring plays a role in buffering, and the working stability of the die is improved.

Specifically, the upper module is connected with a slide bar 20, the slide bar slides through a slide hole 21 of the slide plate, a limit ring 22 is arranged on the slide bar above the slide plate, a housing 23 for covering the top of the whole slide bar is arranged on the slide plate, a module spring 24 is arranged between the limit ring and the housing, and the module spring has an elastic force for forcing the slide bar to move downwards.

After the technical scheme is adopted, when the upper module and the lower module are combined, the module spring on the sliding rod can play a buffering effect for the film combining process, the film combining stability is improved, and the product quality is improved

Specifically, a layer of buffer rubber pad 25 is arranged on the top wall of the housing; the housing is secured to the slide by bolts 26.

In the technical scheme, the buffer rubber pad plays a role in buffering and noise reduction. The cover shell is detachably connected through bolts, so that the cover shell is convenient to assemble, disassemble and maintain.

The skilled person will know: while the utility model has been described in terms of the foregoing embodiments, the inventive concepts are not limited to the utility model, and any modifications that use the inventive concepts are intended to be within the scope of the appended claims.

Claims (3)

1. The utility model provides an injection mold, includes upper plate, lower plate, is used for connecting the connecting rod of upper plate and lower plate, sliding connection slide on the connecting rod, set up the last module on the slide, fix the lower module on the lower plate and fix the compound die cylinder on the upper plate, compound die cylinder output is connected its characterized in that with the slide: still include jack-up mechanism, jack-up mechanism includes layer board, connecting axle, goes up wedge, lower wedge and jack-up cylinder, the layer board is located the shaping chamber bottom of module down, the connecting axle is connected with the layer board with the shaft hole sliding fit of module down, and the one end of connecting axle, and the other end is connected with lower wedge, the right side of lower wedge is equipped with the guide way, be equipped with on the mounting groove lateral wall of module down with above-mentioned guide way sliding fit's guide bead, the inclined plane of wedge is laminated mutually with the inclined plane of last wedge down, the jack-up cylinder is fixed in the mounting groove of module down, and the output of jack-up cylinder is connected with lower wedge.

2. An injection mold according to claim 1, characterized in that: the bottom of the forming cavity of the lower module is provided with a supporting plate groove for accommodating the supporting plate, and the side wall of the supporting plate groove is provided with a sealing ring matched with the supporting plate in a sealing way.

3. An injection mold according to claim 1, characterized in that: and a buffer spring is sleeved on the connecting rod between the sliding plate and the lower bottom plate.