CN210190282U - Secondary ejection device for mold - Google Patents

Abstract

The utility model provides a mould secondary ejection device includes first roof, second roof, a plurality of slide mechanism and a plurality of stop gear, first roof is installed in the top of second roof, a plurality of slide mechanism symmetry branch locate first roof and second roof around, thus a plurality of slide mechanism can drive from all around first roof and second roof respectively move, thereby ensured its stability in the ejection process; each sliding mechanism is respectively connected with the first top plate and the second top plate in a sliding mode, each limiting mechanism is arranged on the outer side of each sliding mechanism, and the limiting mechanisms can limit the space between the first top plate and the second top plate, so that the first top plate and the second top plate can move step by step, and the problem that the two top plates are easy to move simultaneously in the prior art is effectively solved.

Description

Secondary ejection device for mold

Technical Field

The utility model belongs to the technical field of the mould equipment technique and specifically relates to a mould secondary ejecting device.

Background

The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to shape an article, the tool being made up of various parts, and different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. In the process of manufacturing a product, the product is often difficult to separate from a die, and a secondary ejection method is needed to take the product, but in the prior art, when the secondary ejection operation is performed, the two top plates are ejected upwards at the same time, so that the whole ejection process cannot be operated normally, and the produced product cannot achieve the expected effect easily.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a mould secondary ejecting device, its difference of overcoming prior art, its simple structure, reasonable in design can realize the ejecting operation of gradation between first roof and the second roof effectively through slide mechanism and stop gear's cooperation to the easy ejecting problem of removing simultaneously of first roof and second roof among the prior art has been solved.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a mould secondary ejecting device includes first roof, second roof, a plurality of slide mechanism and a plurality of stop gear, first roof install in the top of second roof, it is a plurality of slide mechanism symmetry branch is located around first roof and the second roof, each slide mechanism sliding connection respectively first roof and the second roof, each stop gear divides to locate each slide mechanism's the outside, stop gear can be right carry on spacingly between first roof and the second roof.

According to the utility model discloses an embodiment, slide mechanism includes first snap ring and second snap ring, first roof is equipped with a plurality of first recesses, and is a plurality of first recess branch is located around the first roof, first snap ring is fixed in the first recess, the second roof is equipped with a plurality of second recesses, and is a plurality of the second recess branch is located around the second roof, the second snap ring is fixed in the second recess, each the second recess respectively coaxial alignment each first recess.

According to the utility model discloses an embodiment, slide mechanism further includes slide bar and drive assembly, slide bar one end is connected drive assembly, the other end runs through in proper order first snap ring and the second snap ring, the slide bar passes through first snap ring joint in first roof, the slide bar passes through second snap ring swing joint in the second roof, the drive assembly drive the slide bar reciprocates.

According to the utility model discloses an embodiment, the slide bar is from last to being equipped with first sliding part, second sliding part and termination portion down in proper order, the second sliding part is connected first sliding part and termination portion, first sliding part is aimed at first roof, first snap ring cover is located the surface of first sliding part, the second sliding part is aimed at the second roof, second snap ring cover is located the surface of second sliding part.

According to an embodiment of the present invention, the first snap ring and the second snap ring are U-shaped snap rings.

According to the utility model discloses an embodiment, stop gear includes stopper and stop pin, the stopper install in on the second roof, be equipped with the spacing groove on the stopper, the stop pin is aimed at the spacing groove, works as the stop pin inserts during the spacing groove, stop gear can be right the second roof carries on spacingly, works as the stop pin is kept away from during the spacing groove, the second roof can remove.

The utility model has the advantages that: by adopting the technical scheme, the utility model is provided with the sliding mechanism and the limiting mechanism, the limiting mechanism is arranged between the first top plate and the second top plate, and the limiting mechanism can limit the second top plate when the sliding mechanism drives the first top plate and the second top plate to slide, so that the first top plate and the second top plate can be effectively ejected in multiple times, and the problem that the two top plates easily move upwards simultaneously in the prior art is effectively solved; meanwhile, the driving assembly is installed above the sliding mechanism and can drive the sliding mechanism to slide, and the sliding rod is provided with a first sliding portion, a second sliding portion and a termination portion, the first sliding portion is connected with the first clamping ring in a clamping mode, so that the first top plate can be ejected upwards while the sliding rod slides, the second sliding portion is connected with the second clamping ring in a sleeved mode, the requirement that the first top plate moves while the second sliding portion can slide along the second clamping ring is met, and therefore the sliding mechanism can drive the first top plate to slide while the second top plate is in a fixed state, and the situation that product stub bars fall into a cavity to cause die collision due to the fact that the two top plates move simultaneously is effectively prevented.

Drawings

Fig. 1 is a schematic structural view of the first top plate and the second top plate in an unseparated state according to the present invention.

Fig. 2 is a schematic structural view of the first top plate and the second top plate in a separated state according to the present invention.

Fig. 3 is a front view of a preferred embodiment according to the present invention.

Fig. 4 is a cross-sectional view taken along a-a of fig. 3 according to the present invention.

Fig. 5 is a cross-sectional view taken along line B-B of fig. 4 according to the present invention.

Fig. 6 is an enlarged schematic view of the structure of fig. 5 at C according to the present invention.

Fig. 7 is a schematic structural diagram of a middle limiting mechanism according to the present invention.

Fig. 8 is a schematic structural view of the middle expansion part and the limiting part according to the present invention.

Fig. 9 is a cross-sectional view of the middle expansion part being snapped into the stopper part according to the present invention.

Fig. 10 is a schematic structural view of the sliding mechanism according to the present invention.

Fig. 11 is a schematic structural view of a middle stop pin according to the present invention.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in fig. 1 to 11, a mold secondary ejection device 1 includes a first top plate 10, a second top plate 20, a plurality of sliding mechanisms 30, and a plurality of limiting mechanisms 40, wherein the first top plate 10 is installed above the second top plate 20, and the plurality of sliding mechanisms 30 are symmetrically disposed around the first top plate 10 and the second top plate 20, so that the plurality of sliding mechanisms 30 can drive the first top plate 10 and the second top plate 20 to move from the periphery, respectively, and the moving speeds of the first top plate 10 and the second top plate 20 at various positions in the ejection process are ensured to be the same, thereby ensuring the stability in the ejection process; each sliding mechanism 30 is slidably connected to the first top plate 10 and the second top plate 20, and the sliding mechanisms 30 can drive the first top plate 10 and the second top plate 20 to perform an ejection operation; each of the limiting mechanisms 40 is separately disposed at the outer side of each of the sliding mechanisms 30, and the limiting mechanism 40 can limit the position between the first top plate 10 and the second top plate 20, so that the first top plate 10 and the second top plate 20 can move step by step, and the problem that the two top plates are easy to move simultaneously in the prior art is effectively solved.

Wherein the sliding mechanism 30 includes a first snap ring 31 and a second snap ring 32, the first snap ring 31 is installed above the second snap ring 32, the first top plate 10 is provided with a plurality of first grooves 11, the plurality of first grooves 11 are distributed around the first top plate 10, each of the first grooves 11 is integrally formed by recessing the first top plate 10 inwards, the first snap ring 31 is fixed in the first groove 11, the first snap ring 31 is capable of connecting the sliding mechanism 30 and the first top plate 10, the second top plate 20 is provided with a plurality of second grooves 21, the plurality of second grooves 21 are distributed around the second top plate 20, each of the second grooves 21 is integrally formed by recessing the second top plate 20 inwards, the second snap ring 32 is fixed in the second groove 21, and the second snap ring 32 is capable of connecting the sliding mechanism 30 and the second top plate 20, the second grooves 21 are coaxially aligned with the first grooves 11, so that the sliding mechanism 30 is connected to the first top plate 10 and the second top plate 20 by the first snap ring 31 and the second snap ring 32.

Wherein, the sliding mechanism 30 further includes a sliding rod 33 and a driving assembly 34, one end of the sliding rod 33 is connected to the driving assembly 34, the other end of the sliding rod 33 sequentially penetrates through the first snap ring 31 and the second snap ring 32, the sliding rod 33 is connected to the first top plate 10 through the first snap ring 31, the sliding rod 33 is movably connected to the second top plate 20 through the second snap ring 32, the driving assembly 34 can drive the sliding rod 33 to move up and down, when the ejection operation needs to be performed, only the driving assembly 34 needs to be started, the driving assembly 34 can drive the sliding rod 33 to move, meanwhile, the limiting mechanism 40 can perform a limiting function on the second top plate 20, so that the sliding rod 33 can drive the first top plate 10 to eject upwards, the second top plate 20 remains stationary, when the limiting function of the limiting mechanism 40 on the second top plate 20 is eliminated, with the sliding of the sliding rod 33, the second top plate 20 is pushed upwards, by which the simultaneous upward pushing operation of the first top plate 10 and the second top plate 20 is effectively avoided, so as to prevent the product stub bar from falling into the cavity and causing a die-bumping phenomenon during the pushing operation.

The sliding rod 33 is sequentially provided with a first sliding portion 331, a second sliding portion 332 and a terminating portion 333 from top to bottom, the second sliding portion 332 is connected with the first sliding portion 331 and the terminating portion 333, the first sliding portion 331 is aligned with the first top plate 10, the first snap ring 31 is sleeved on the outer surface of the first sliding portion 331, the second sliding portion 332 is aligned with the second top plate 20, the second snap ring 32 is sleeved on the outer surface of the second sliding portion 332, when the driving assembly 34 is started, the driving assembly 34 drives the sliding rod 33 to move upwards, because the first snap ring 31 is sleeved on the outer surface of the first sliding portion 331, and the limiting mechanism 40 is used for limiting the second top plate 20, the sliding rod 33 can drive the first top plate 10 to perform an ejecting operation through the first snap ring 31, since the slide bar 33 is movably installed in the second snap ring 32, the second sliding portion 332 is moved upward, and the second top plate 20 is kept still, after the limiting function of the limiting mechanism 40 is eliminated, the second snap ring 32 abuts against the terminating portion 333, and at this time, the slide bar 33 drives the second top plate 20 to be ejected upward along with the movement of the slide bar 33, so that the ejection operation of the first top plate 10 and the second top plate 20 is effectively performed in several times.

The first snap ring 31 and the second snap ring 32 are both U-shaped snap rings, so that the first sliding portion 331 is snapped on the first top plate 10 by the first snap ring 31, and the second snap ring 32 slides along the second sliding portion 332, so that when the limit mechanism 40 limits the position of the second top plate 20, the slide bar 33 drives the first top plate 10 to be ejected upwards, and the second top plate 20 is kept still.

Wherein, stop gear 40 includes installation department 41, pars contractilis 42 and spacing portion 43, pars contractilis 42 can install in installation department 41, spacing portion 43 can connect respectively first roof 10 and second roof 20, be equipped with spring 421 and spacing nail 422 on the pars contractilis 42, spring 421 one end is fixed in installation department 41, the other end connect in spacing nail 422, spring 421 can connect installation department 41 and pars contractilis 42, spacing nail 422 can pass through the elasticity of spring 421 and move on the horizontal direction, spacing portion 43 includes stopper 431, stopper 431 fixed mounting is in on second roof 20, be equipped with spacing groove 433 on the stopper 431, spacing nail 422 aims at spacing groove 433, when drive assembly 34 drives slide bar 33 removes, the limit pin 422 is inserted into the limit groove 433, and since the shape of the limit groove 433 is matched with the shape of the protruding block 425, the protruding block 425 on the limit pin 422 can abut against the limit groove 433, the telescopic part 42 can abut against the limit part 43, and at this time, the limit mechanism 40 can limit the position of the second top plate 20, so that the slide rod 33 can drive the first top plate 10 to move upwards through the first snap ring 31, and the second top plate 20 can be kept still under the limit action of the limit mechanism 40, thereby effectively avoiding the situation that the first top plate 10 and the second top plate 20 move together; when the limit pin 422 is far away from the limit groove 433, the limit function of the limit mechanism 40 on the second top plate 20 is eliminated, and at this time, the slide rod 33 is driven by the drive assembly 34 to move the second top plate 20 upward, so that the second top plate 20 can move upward to perform ejection operation, and by performing ejection operation on the first top plate 10 and the second top plate 20 in several times, the phenomenon that product stubs easily fall into a cavity to collide with a mold during the ejection operation can be effectively prevented.

Wherein the spacing nail 422 comprises a fixing section 423 and a clamping section 424, the fixing section 423 and the clamping section 424 form the spacing nail 422 with a T-shaped structure, one end of the fixing segment 423 is fixedly connected with the spring 421, the other end is connected with the clamping segment 424, the clamping segment 424 is aligned with the limiting groove 433, when the second top board 20 is limited, the clamping section 424 is inserted into the limiting groove 433, and at this time, the clamping section 424 fixes the limiting block 431 mounted on the second top board 20, so that the second top board 20 is fixed while the first top board 10 is moved upward, therefore, the separation of the moving process of the first top board 10 and the second top board 20 is effectively and quickly completed, and the situation that the first top board 10 and the second top board 20 move together in the ejection process is easily generated is effectively prevented.

The clamping section 424 is provided with two protruding blocks 425, the two protruding blocks 425 are respectively arranged on two sides of one end, close to the limiting groove 433, of the clamping section 424, and the lower ends of the protruding blocks 425 are of a right-angle structure, so that when the clamping section 424 is clamped into the limiting groove 433, the clamping effect of the clamping section 424 can be effectively enhanced, and the limiting effect of the limiting mechanism 40 can be enhanced; each of the protruding blocks 425 integrally extends from the clamping section 424 to the direction of the limiting groove 433, the shape of the protruding block 425 matches the shape of the limiting groove 433, when the limiting mechanism 40 limits the second top board 20, two of the protruding blocks 425 can be completely clamped into the limiting groove 433, so that the protruding blocks 425 can fix the second top board 20 through the limiting blocks 431, a concave cavity 426 can be formed between the two protruding blocks 425 and the clamping section 424, and the concave cavity 426 can facilitate the moving rod 432 not to affect the limiting mechanism 40 when the first top board 10 moves upwards.

Wherein, the position-limiting part 43 comprises a moving rod 432, the moving rod 432 is vertically arranged, the stopper 431 is provided with a first receiving cavity 434, the moving rod 432 penetrates the first receiving cavity 434 and moves up and down along the first receiving cavity 434, specifically, the upper end of the moving rod 432 is fixed to the first top plate 10, the lower end of the moving rod 432 passes through the first receiving chamber 434 and can move up and down along the first receiving chamber 434, when the driving component 34 drives the slide bar 33 to move upwards, the slide bar 33 drives the first top board 10 to move upwards, since the limit pin 422 is inserted into the limit groove 433 at this time, the second top plate 20 is fixed, the first top plate 10 drives the moving rod 432 to move upward, so that the separate ejection operation of the first top board 10 and the second top board 20 is effectively realized by the limiting mechanism 40.

Wherein, the moving rod 432 is provided with a protrusion 435, the protrusion 435 is located below the limit block 431, the protrusion 435 integrally extends from the moving rod 432 to the limit pin 422, the shape of the protrusion 435 is matched with the concave cavity 426, when the sliding rod 33 drives the first top plate 10 to move upwards, the moving rod 432 moves upwards along with the first top plate 10, when the protrusion 435 does not pass through the concave cavity 426, the first top plate 10 is in an upwards moving state, the second top plate 20 is in a fixed state, when the protrusion 435 passes through the concave cavity 426 and abuts against the clamping section 424, at this time, the protrusion 435 can push the limit pin 422 out of the limit groove 433, the second snap ring 32 can slide on the second sliding part 332, and when the second snap ring 32 abuts against the stop part 333, under the action of the driving assembly 34, the second top plate 20 is moved upwards, so that the ejection operation of the first top plate 10 and the second top plate 20 is performed in sequence, and the phenomenon that a product stub bar easily falls into a cavity to knock a die when the first top plate 10 and the second top plate 20 are ejected synchronously is effectively prevented.

Wherein, installation department 41 is equipped with mount pad 411 and connecting rod 412, mount pad 411 towards spacing portion 43, it holds chamber 413 to be equipped with the second on mount pad 411, the second holds chamber 413 and transversely runs through mount pad 411, flexible portion 42 install in the second holds in the chamber 413, connecting rod 412 one end is fixed in mount pad 411, other end rigid coupling in spring 421, from this spring 421 can the second holds and stretches out and draws back in the chamber 413 to guaranteed the smooth and easy going on of flexible process, also made simultaneously spacing nail 422 can be fast accurately blocked in spacing groove 433, thereby avoided because spacing nail 422 takes place the deviation when going into, causes can't right the second roof 20 carries out effective spacing condition and takes place.

Wherein, the mount pad 411 is equipped with butt joint piece 414 towards one side of spacing portion 43, butt joint piece 414 is fixed in on the mount pad 411, be equipped with through-hole 415 on the butt joint piece 414, through-hole 415 aligns the second holds the chamber 413, joint section 424 can pass through-hole 415 butt in spacing groove 433, butt joint piece 414 can restrict effectively spacing nail 422's motion range, make spacing nail 422 is in can accurately fast block under the spring action of spring 421 in spacing groove 433, thereby accomplish effectively to the spacing fixed operation of second roof 20.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a mould secondary ejecting device, its characterized in that, includes first roof, second roof, a plurality of slide mechanism and a plurality of stop gear, first roof install in the top of second roof, it is a plurality of slide mechanism symmetry branch is located around first roof and the second roof, each slide mechanism sliding connection respectively first roof and second roof, each stop gear divides to locate each slide mechanism's the outside, stop gear can be right carry on spacingly between first roof and the second roof.

2. The mold secondary ejection device according to claim 1, wherein the sliding mechanism includes a first snap ring and a second snap ring, the first top plate has a plurality of first grooves, the plurality of first grooves are respectively disposed around the first top plate, the first snap ring is fixed in the first grooves, the second top plate has a plurality of second grooves, the plurality of second grooves are respectively disposed around the second top plate, the second snap ring is fixed in the second grooves, and the second grooves are respectively coaxially aligned with the first grooves.

3. The mold secondary ejection device according to claim 2, wherein the sliding mechanism further comprises a sliding rod and a driving component, one end of the sliding rod is connected to the driving component, the other end of the sliding rod sequentially penetrates through the first snap ring and the second snap ring, the sliding rod is connected to the first top plate in a clamping mode through the first snap ring, the sliding rod is movably connected to the second top plate through the second snap ring, and the driving component drives the sliding rod to move up and down.

4. The mold secondary ejection device according to claim 3, wherein the slide bar is provided with a first sliding portion, a second sliding portion and a terminating portion in sequence from top to bottom, the second sliding portion is connected with the first sliding portion and the terminating portion, the first sliding portion is aligned with the first top plate, the first snap ring is sleeved on an outer surface of the first sliding portion, the second sliding portion is aligned with the second top plate, and the second snap ring is sleeved on an outer surface of the second sliding portion.

5. The mold secondary ejection apparatus of claim 4, wherein the first snap ring and the second snap ring are both U-shaped snap rings.

6. The mold secondary ejection device according to claim 5, wherein the limiting mechanism comprises a limiting block and a limiting nail, the limiting block is mounted on the second top plate, a limiting groove is formed in the limiting block, the limiting nail is aligned with the limiting groove, when the limiting nail is inserted into the limiting groove, the limiting mechanism can limit the second top plate, and when the limiting nail is far away from the limiting groove, the second top plate can move.

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