Ejection buckling mechanism of ultra-long loose core and ejection buckling method of ejection buckling mechanism

Abstract

The invention discloses an ejection buckling mechanism of an ultra-long loose core and an ejection buckling method of the ejection buckling mechanism. Two rail vertical plates are arranged on the two side edges of a bottom plate respectively, a rear mold plate B is arranged above the bottom plate, a driving power part is in driving connection with the rear mold plate B, a push plate is arranged above the rear mold plate B, and the push plate is arranged on a rear mold guide column in a sleeving mode; movable lifting sliding rail assemblies are arranged between the two side faces of the push plate and the inner side faces of the two rail vertical plates. When translating along the bottom plate, the rear mold plate B drives the push plate to synchronously move up and down and translate in the translating section at the top end of the track; the shoveling machine and the rotating shaft are arranged above the rail top end translation sections at the top ends of the two rail vertical plates, a collision block is arranged on the rotating shaft, a pushing block and a sliding block are arranged on the pushing plate, the pushing block is used for pushing the collision block to turn over, the sliding block is matched and connected with the shoveling machine in a sliding mode, and when the shoveling machine shovels the sliding block, positioning of an ejected and demolded product by the sliding block is separated. And under the condition of not increasing the high cost of a new injection molding machine equipment machine table, mold opening, core pulling and demolding are smoothly performed on an ultrahigh size, the cost is low, and the efficiency is high.

Description

Technical Field

[0001] The present invention relates to a core-pulling demoulding injection mold, and in particular to an ejection and fastening mechanism and an ejection and fastening method for an extra-long core-pulling on a core-pulling demoulding injection mold for products with a small projected area but a high height, such as medical boxes, water tanks, filter element housings and the like. Background Art

[0002] In the application of core-pulling demoulding molds, it is usually done by separating the front mold from the rear mold (or the upper and lower molds) and then opening the mold and ejecting the height, and then core-pulling the mold to demould the product to be demoulded. However, since the mold opening distance and ejection height that can be opened by each injection molding machine are limited, it is impossible to achieve an infinite mold opening distance and ejection height. As shown in Table 1 below, the mold opening distance and ejection height that can be opened by each injection molding machine have corresponding maximum parameter restrictions, especially the ejection stroke and the maximum mold opening stroke parameters have important restrictions on the maximum height of the product that can be demoulded during the core-pulling demoulding process. Machine number Manufacturer Name Machine Model Tonnage (T) Power (KW) Screw Model Glue capacity position (mm) <![CDATA[Injection capacity (cm 3 )]]> Maximum injection mass (g) Maximum modulus (mm) Minimum modulus (mm) Green column width*height (mm) Ejector stroke (mm) Maximum mold opening stroke (mm) 5 Haitian MA1600 160 24.75 A-D40 201 253 230 520 180 470*470 140 430 23 Haitian MA2500 250 39.1 A-D50 240 471 429 580 220 580*580 150 540

[0003] According to the above parameters in Table 1, for a 160T machine, the maximum mold capacity is 520mm, and the maximum mold opening distance is 430mm. If it is necessary to open the mold and demold the product with a height of 250mm, the ejection height after mold opening will become the biggest parameter obstacle, because normally it needs to meet twice the product height plus 50mm to effectively achieve safe distance mold opening, core pulling and demolding; in this way, it is necessary to switch to a machine of 250T or above to meet the effective safe distance mold opening, core pulling and demolding. At this time, if a machine of 250T or above is not configured, it is necessary to increase the high cost of equipment renewal, or directly cause the embarrassing situation of not being able to meet production needs; in addition, if the product needs to be shipped with the lid or cover body fastened, it is still necessary to use manual subsequent assembly, which increases the labor cost of the product and it is difficult to effectively improve the product efficiency.

[0004] It can be seen from this that if the height dimension of the product to be processed by core pulling and demolding is greater than the ejection stroke and maximum mold opening stroke parameters of the injection molding machine equipment itself, for example, for some products with a small projected area but a high height direction, if the height dimension of these products exceeds the ejection stroke and maximum mold opening stroke parameters of the injection molding machine equipment equipment itself, the core pulling and demolding injection molding process cannot be normally and effectively realized. In this way, if it is necessary to realize the core pulling and demolding injection molding requirements of products whose height dimensions are greater than the ejection stroke and maximum mold opening stroke parameters of the injection molding machine itself, either the injection molding machine equipment is updated and equipped with a larger ejection stroke and maximum mold opening stroke parameter processing requirements, and the price of each injection molding machine equipment is very high, often hundreds of thousands or even more than one million. The problem is that it will undoubtedly greatly increase the investment cost of the injection molding machine equipment, and this is especially true for the transformation of corporate products. On the one hand, it is possible that on the one hand, a high price is spent to increase the configuration of the injection molding machine equipment that can meet the new height processing requirements, while the old injection molding machine equipment that has been configured is idle, which not only causes a huge increase in the investment cost of equipment renewal, but also causes the idleness of the old injection molding machine equipment; in addition, the corresponding clamping force of the increased injection molding machine equipment will also increase accordingly, thereby affecting the reduction of mold life.

[0005] In addition, for some products with a small projection area but a high height and with a lid or cover body, such as medical boxes, water tanks, filter element housings and other products with lids or cover bodies, a one-time injection molding structure is usually adopted. For such products, it is easy to encounter the above-mentioned need to update and increase the configuration of injection molding machine equipment, resulting in huge equipment increase and configuration update costs, and the embarrassing possibility of idle old injection molding machine equipment; the lid or cover body cannot be demolded directly, simply and smoothly, and usually adopts the manual operation of the equipment to flip and snap together after the injection molding is completed, which not only increases labor costs but is also not conducive to improving production and processing efficiency.

[0006] Patent application No. ZL2017110646930, published on January 3, 2018, discloses a core-pulling and forced ejection mechanism, including a floating plate assembly and a sleeve needle assembly; the floating plate assembly includes an elastic member and a push plate, the upper surface of the push plate is provided with an injection cavity, the elastic member is provided under the lower surface of the push plate, and the elastic member is extended to make the push plate float; the sleeve needle assembly includes a sleeve and an ejector pin, the sleeve sleeve sleeve is slidably sleeved outside the ejector pin, the ejector pin is fixed in position, one end of the ejector pin can be extended into the injection cavity as an injection core, the push plate is provided with a through hole communicating with the injection cavity, the sleeve sleeve is slidably provided in the through hole and blocks the injection cavity. The present invention also provides a mold. The mold and its core-pulling strong ejection mechanism of the present invention have a simple structure, have automatic core-pulling when opening the mold, and can eject the product from the injection molding cavity to achieve demolding, effectively preventing the molded product from adhering to the ejector pin. It is a mold and its core-pulling strong ejection mechanism with high production efficiency, good demolding effect, and high yield rate of injection molded products. This solution also has the problem of not being able to solve the above technical problems. Summary of the invention

[0007] The present invention aims to solve the problem that the core-pulling and demolding injection molds of existing products are limited by the mold opening distance and ejection height that can be opened by the injection molding machine equipment. When it is necessary to process products that exceed the mold opening distance and ejection height limit that can be opened by the injection molding machine equipment, it is easy to cause the equipment increase and configuration update cost to be extremely high due to the configuration of new injection molding machine equipment, and it may also cause the embarrassing situation that the old injection molding machine equipment is idle; in addition, it is also easy to cause the high demolding cost of this type of ultra-high-size products that exceed the mold opening distance and ejection height limit and have lids or cover bodies, and the low demolding efficiency. The present invention provides an ultra-long core-pulling ejection snap-fitting mechanism and an ejection snap-fitting method that can not only open the mold without increasing the high cost of configuring new injection molding machine equipment, but also can smoothly open the mold and core-pulling and demold the ultra-high-size products, with low mold opening and core-pulling and demolding cost and high demolding efficiency.

[0008] The specific technical solution adopted by the present invention to solve the above technical problems is: an ejection and locking mechanism of an ultra-long core pulling device, including a front mold and a rear mold, the front mold including a front mold A plate and a front mold panel, the rear mold including a rear mold B plate and a rear mold guide column, characterized in that: it also includes a translation ejection device and a flipping and pressing device, the translation ejection device includes a bottom plate, a track vertical plate, a push plate and a driving power component, the two track vertical plates are respectively arranged at the two side edges of the bottom plate, the rear mold B plate is arranged above the bottom plate, the driving power component drives the rear mold B plate to move translationally along the bottom plate, a push plate is arranged above the rear mold B plate, the push plate is sleeved on the rear mold guide column and can move up and down along the rear mold guide column, The two sides of the push plate and the inner sides of the two track vertical plates are provided with movable lifting and sliding track components with track top translation sections; when the rear mold B plate translates along the bottom plate, it drives the push plate to move up and down on the rear mold guide column and translate in the track top translation section synchronously; the flipping and impacting device includes a collision block, a shovel and a rotating shaft, the shovel and the rotating shaft are arranged at the top of the two track vertical plates and above the track top translation section, the rotating shaft is provided with a collision block, the push plate is provided with a push block and a slider, the push block is used to push the collision block to flip when the push plate moves, the slider is slidably connected with the shovel, and when the shovel shovels into the slider, it drives the slider to position and separate the ejection demolding product. It can not only open the mold and core the mold smoothly without increasing the high cost of configuring a new injection molding machine, but also can demold the ultra-high size smoothly, the cost of opening the mold and core the mold is low, and the demolding efficiency is high. Without changing the parameters of the existing injection molding machine equipment, it is effectively realized to utilize the existing small-size injection molding machine equipment with the maximum mold opening distance to produce the demolding and mold opening production needs of the super-long core-pulling height products that exceed the safe production distance, especially for the products with small projection area but high height, such as medical boxes, water tanks, filter element shells, etc., which also have lids or cover bodies. The core-pulling and mold-pulling production needs of the products can be maximized and effectively saved by utilizing the existing specifications of injection molding machine equipment to achieve super-high size core-pulling safe production, avoid the huge cost of new injection molding machine equipment, reduce the investment cost of injection molding machine equipment, and realize automatic flipping and buckling of product lids or cover bodies, improve production efficiency and reduce production costs.

[0009] Preferably, the movable lifting and sliding rail assembly comprises a rear mold B plate translation sliding rail assembly and a push plate lifting and translation sliding rail assembly, wherein the rear mold B plate translation sliding rail assembly adopts a concave and convex limiting translation slide groove slide structure on both sides of the rear mold B plate and the inner sides of the two track vertical plates, and the push plate lifting and translation sliding rail assembly adopts a push plate with rolling or rotating parts protruding on both sides, and the inner sides of the two track vertical plates are each provided with two groups of track grooves, the two groups of track grooves are used to guide the rolling or rotating parts to limit sliding or rolling in their grooves, and the two groups of track grooves both have inclined section track grooves and horizontal section track grooves, and the horizontal section track groove is the top translation section of the track of the track groove. The inner sides of the rear mold B plate and the two track vertical plates are mutually concave and convex limiting translational sliding structures, which improves the simplicity, convenience and effectiveness of the movable lifting and sliding track assembly to realize the translational sliding guide of the rear mold B plate to break away from the height size restrictions of the upper front mold and the A plate after leaving the mold, and improves the simplicity, convenience, reliability and effectiveness of the translational movement of the rear mold B plate outside the restricted area below the front mold and the A plate; improves the simplicity, convenience, reliability and effectiveness of the movable lifting and sliding track assembly to realize the push plate following the translational sliding of the rear mold B plate to break away from the restricted area below the front mold and the A plate, and improves the simplicity, convenience, stability, reliability and effectiveness of the push plate automatically pushing and flipping and engaging with the flipping and pressing device after it breaks away from the height restricted area of ​​the mold.

[0010] Preferably, the driving power component adopts a telescopic electric cylinder, a telescopic air cylinder or a telescopic hydraulic cylinder, which is connected to the rear mold plate B through its corresponding telescopic push rod, so as to improve the driving power component to drive the rear mold plate B to be simple, stable, reliable and effective.

[0011] As a preferred embodiment, the push plate is provided with two first sliders, two second sliders, two pressure blocks and one push block, the two first sliders are provided with a first limit fixing block, the first limit fixing block is used to limit and fix the lid of the product to be ejected and demolded, the two second sliders are provided with a second limit fixing block, the second limit fixing block is used to limit and fix the lid end of the main body of the product to be ejected and demolded, a pressure block is pressed and installed above the first slider and the second slider on the same side, and the push block is arranged directly facing the collision block in the flipping and pressing device; the outer ends of the two first sliders and the two second sliders are provided with an oblique slide groove that cooperates with the shovel machine to shovel, and the outer end of the oblique slide groove is arranged obliquely toward the inner side of the track vertical plate and the direction of the shovel machine. Improve the push plate's translational movement to push the flipping and pressing device to flip and press the lid or cover of the product, and improve the push plate's translational movement. The two first sliders and the two second sliders are simple, convenient, stable, reliable and effective. The limit fixing of the product lid or cover and the lid end of the product body is gradually opened and released from the mold.

[0012] Preferably, the rotating shaft connection is arranged at the top of the two track vertical plates and above the translation section at the top of the track, and the two ends of the rotating shaft and the connection of the top of the two track vertical plates are provided with rotating shaft pins, the rotating shaft pins are vertically connected to the rotating shaft, and the top of the track vertical plate connected to the rotating shaft pin is provided with a pin movement limiting groove. This improves the flipping, collision and demoulding of the product cover or cover body by the rotating shaft and its collision block when the push plate moves horizontally, making it simple, reliable, stable, convenient and effective.

[0013] Preferably, the rotating shaft is provided with leaf springs or torsion springs on both sides of the collision block, so as to improve the simplicity, convenience and effectiveness of automatic return after the product and its cover or cover body are opened and demolded.

[0014] Preferably, the collision block comprises a collision block body, a bevel body, a turning collision block part and a wing collision block body, wherein the collision block body is connected and fixed on the rotating shaft, the collision block body is in the shape of a rectangular body as a whole, the wing collision block body is in the shape of a rectangular body as a whole, the front end of the collision block body extending toward the push block direction is connected with a bevel body, the bevel body is used to contact the push block to push the collision block body to flip backward, the rear end of the collision block body is connected with a turning collision block part and a wing collision block body, wherein when the collision block is in a static state without flipping, the collision surface position of the turning collision block part is higher than the top height position of the collision block body, the wing collision block body extends backward from the turning collision block part, and a 90-degree flip connection section is provided between the wing collision block body and the collision block body. The collision, pressing, flipping and buckling of the product cover or lid using different parts of the collision block is simple, convenient, reliable, stable and effective, and the limited, fixed, opened and demoulding of the product and the product lid is simple, convenient and effective.

[0015] Preferably, the push block has a downwardly inclined triangular end structure composed of a lower inclined surface and an upper plane at one end facing the collision block, wherein the lower inclined surface is inclined downward from the push head of the push block in a direction away from the collision block. This improves the simplicity, reliability, stability and effectiveness of the push block's push on the collision block, and the lower inclined surface provides an effective flipping space when the inclined surface of the collision block flips, thereby better and more effectively ensuring the flipping and collision action of the collision block.

[0016] Preferably, the pressing block as a whole adopts an inverted mountain-shaped structure, and two press-fitting spaces formed by the inverted mountain-shaped structure are used to form press-fitting limits for the first slider and the second slider, respectively, so as to improve the simplicity, reliability, stability and effectiveness of the press-fitting limits for the first slider and the second slider.

[0017] Another invention object of the present invention is to provide an ejection and fastening method for an ultra-long core pull, characterized in that the ejection and fastening mechanism for an ultra-long core pull described in one of the above technical solutions is adopted, and the following ejection and fastening steps are adopted: A1. After the injection molding is completed, the mold is opened and the front mold and the rear mold are opened to the maximum distance; A2. The driving power component performs the translation task of driving the B plate and the push plate on the B plate, and moves the B plate horizontally toward the driving power component; A3. In the above step A2, the B plate moves horizontally toward the driving power component under the connection drive of the driving power component, and the push plate above the B plate automatically rises along the rear mold guide column and moves to the top translation section of the track under the guidance of the push plate lifting and translation sliding rail assembly, so that the A plate and the push plate are moved to a position outside the A plate area of ​​the front mold, and the space above the push plate is not restricted by the A plate; A4. Under the driving action of the driving power component, when the push plate moves horizontally toward the flipping and pressing device at the top translation section of the track, the push block on the push plate touches the collision block, and at the same time, the first two sliders of the slider also touch the shovel; A5. With the continued driving of the driving power component, the oblique grooves in the two first sliders continue to move toward the shovel. As the shovel engages the depth of the oblique grooves in the two first sliders, the two first sliders are forced to retreat toward the two track vertical plates, thereby forcing the two first sliders to retreat and open to break away from the restriction and fixation of the product cover or cover body, and vacate the space at the bottom of the product cover or cover body; A6. In the above step A5, the push block will also continue to push the inclined surface in the collision block, so that the collision block body will follow the slow rotation movement; A7. In the above step A5, after the space at the bottom of the product cover or cover body is vacated, only two second sliders are used to limit and fix the cover end of the product body; A8. In the above steps A5 to A7, as the two first sliding blocks are separated from the shovel and the driving power component continues to drive, the push plate continues to move toward the flipping and pressing device, and the push block rotates against the inclined surface in the collision block until the turning collision block part in the collision block touches the top of the product cover; A9. In the above step A8, as the driving power component continues to drive, the push plate continues to move toward the flipping and impacting device. Since the product cover and the cover end of the product body are connected by a relatively soft butterfly bending mouth, the turning impact block part presses the product cover downward to make the product cover slowly rotate downward and flip toward the cover end of the product body; A10. In the above step A9, as the driving power component continues to drive, the push plate continues to move toward the flipping and pressing device, the product cover continues to rotate and flip toward the cover end of the product body, and the product body also moves toward the wing plate collision block body of the collision block until the wing plate collision block body supports and covers the entire product cover on the cover end of the product body; A11. In the above step A10, as the driving power component continues to drive, the push plate continues to move toward the flipping and pressing device, and the two second sliders touch the shovel. As the shovel deeply shovels the oblique grooves in the two second sliders, the two second sliders are forced to retreat toward the two track vertical plates, thereby forcing the two second sliders to retreat and open to break away from the restriction and fixation of the product cover or cover body, so that the cover end of the product body is completely separated from the mold; A12. Take out the product, and the core pulling, mold opening and demoulding actions are completed; A13. During the mold closing process, the two first slides and the two second slides will return to their original positions in sequence due to the driving power components and the shovel machine; the collision block will also automatically return to its original position under the restoring force of the spring or torsion spring, forming a reciprocating closed loop.

[0018] Without changing the parameters of the existing injection molding machine equipment, the demolding and mold opening production needs of products with extra-long core-pulling height dimensions that exceed the safe production distance are effectively realized, especially for products with small projection area but high height, such as medical boxes, water tanks, filter element housings, etc., which also have lids or cover bodies. The core-pulling and mold opening production needs are maximized and effectively utilized to realize the safe production of ultra-high-size core-pulling. There is no need to update and invest in new injection molding machines, and the product lid or cover body can be automatically flipped and snapped together, which improves production efficiency and reduces production costs.

[0019] The beneficial effect of the present invention is that without changing the parameters of the existing injection molding machine equipment, it is effectively realized to utilize the existing small-size maximum mold opening distance injection molding machine equipment to produce the demolding and mold opening production needs of ultra-long core-pulling height products that exceed the safe production distance, especially for products with a small projected area but a high height direction, such as medical boxes, water tanks, filter element housings, etc., which also have lids or cover bodies. The core-pulling and mold opening production needs of products can be maximized and effectively saved by utilizing the existing specifications of injection molding machine equipment to achieve ultra-high size core-pulling safe production, avoid the huge cost of investing in new injection molding machine equipment, reduce the investment cost of injection molding machine equipment, and realize automatic flipping and snapping of product lids or cover bodies, thereby improving production efficiency and reducing production costs. BRIEF DESCRIPTION OF THE DRAWINGS The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0021] Figure 1 It is a structural schematic diagram of the ejection and fastening mechanism of the super-long core pulling device and the ejection and fastening method thereof of the present invention.

[0022] Figure 2 yes Figure 1 Schematic diagram of the structure after removing the front mold and one of the track risers and other components.

[0023] Figure 3 A partial structural schematic diagram of the ejection and locking mechanism of the super-long core pulling device and the ejection and locking method thereof in the state after the front mold and the rear mold are opened.

[0024] Figure 4 A schematic structural diagram of the ejection and fastening mechanism of the super-long core pulling device and the ejection and fastening method thereof of the present invention observed from another direction after the front mold and the rear mold are opened.

[0025] Figure 5 yes Figure 4 Schematic diagram of the structure after removing the front mold and one of the track risers and other components.

[0026] Figure 6 yes Figure 5 Schematic diagram of the structure when the state is viewed from another direction.

[0027] Figure 7 A schematic diagram of the observed structure of the ejection and snap-fitting mechanism of the super-long core pulling device and the ejection and snap-fitting method thereof of the present invention when the relevant components are removed, the push plate and the relevant components on the push plate are retained, and the state of the overturned impact pressing device is shown.

[0028] Figure 8 A schematic diagram of a product structure used in the ejection and fastening mechanism of the super-long core pulling device and the ejection and fastening method thereof of the present invention.

[0029] Fig. 9 The ejection and locking mechanism of the super-long core pulling device and the ejection and locking method thereof of the present invention are in a state where the shovel touches and shovels into the first slider, the first slider gradually detaches from the product cover and the collision block flips over.

[0030] Fig.10 The ejection and fastening mechanism of the super-long core pulling device and the ejection and fastening method thereof are Fig. 9 Structural diagram of the state in which the push plate continues to move 10mm to the right.

[0031] Fig.11 The ejection and fastening mechanism of the super-long core pulling device and the ejection and fastening method thereof are Fig.10 Structural diagram of the state in which the push plate continues to move 5mm to the right.

[0032] Fig.12 The ejection and fastening mechanism of the super-long core pulling device and the ejection and fastening method thereof are Fig.11 Structural diagram of the state in which the push plate continues to move 20mm to the right.

[0033] Fig.13 The ejection and fastening mechanism of the super-long core pulling device and the ejection and fastening method thereof are Fig.12 Structural schematic diagram of the shovel machine shoveling into the second sliding block when the push plate continues to move 10mm to the right in the state. DETAILED DESCRIPTION

[0034] Embodiment 1: Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 In the embodiment shown, an ejection and snap-fitting mechanism for an extra-long core pulling device includes a front mold 01 (front mold core) and a rear mold 02 (rear mold core), the front mold 01 includes a front mold A plate 04 and a front mold panel 05, the rear mold 02 includes a rear mold B plate 03 and a rear mold guide column 031, and also includes a translation ejection device and a flipping and pressing device, the translation ejection device includes a bottom plate 06, a track vertical plate 10, a push plate 20 and a driving power component, the two track vertical plates 10 are respectively fixedly connected to the two side edges of the bottom plate 06, the rear mold B plate 03 is installed above the bottom plate 06, the driving power component drives the rear mold B plate 03 to move translationally along the bottom plate 06, a push plate 20 is installed above the rear mold B plate 03, the push plate 20 is set on four rear mold guide columns 031 and can move up and down along the rear mold guide columns 031, and the push plate The two side surfaces of 20 and the inner sides of the two track vertical plates 10 are provided with movable lifting and sliding track components with track top translation sections; when the rear mold B plate 03 translates along the bottom plate 06, it drives the push plate 20 to move up and down synchronously on the four rear mold guide pillars 031 and translate in the track top translation section; the flipping and impacting device includes a collision block, a shovel 30 and a rotating shaft 44, the shovel 30 and the rotating shaft 44 are installed and connected at the top ends 13 of the two track vertical plates and located above the track top translation section, the collision block is installed and fixed on the rotating shaft 44, the push block 23 and the slider are installed on the push plate 20, the push block 23 is used to push the collision block to flip when the push plate 20 moves, the slider is slidably connected with the shovel 30, and when the shovel 30 shovels into the slider, it drives the slider to position and separate the ejection demoulding product.

[0035] The movable lifting sliding rail assembly includes a rear mold B plate translation sliding rail assembly and a push plate lifting translation sliding rail assembly, wherein the rear mold B plate translation sliding rail assembly adopts a concave-convex limiting translation sliding groove slide rail structure on both sides of the rear mold B plate 03 and the inner sides of the two track vertical plates 10. For example, when a protruding raised slide rail 14 is set on the inner sides of the two track vertical plates 10, a limiting translation sliding groove 24 that cooperates with the raised slide rail 14 to slide is adopted on both sides of the rear mold B plate 03. When the driving power component is connected to drive the rear mold B plate When 03 moves horizontally, the horizontal movement guidance of the rear mold B plate 03 is effectively guaranteed to be stable, reliable and effective; the push plate lifting and translation sliding rail assembly adopts a push plate with rolling or rotating parts protruding on both sides, and two sets of track grooves are provided on the inner sides of the two track vertical plates. The two sets of track grooves are used to guide the rolling or rotating parts to slide or roll in their grooves. The two sets of track grooves have an inclined section track groove 12 and a horizontal section track groove 11. The horizontal section track groove 11 is the top translation section of the track of the track groove. The two sets of track chutes are matched with the two bearings 21 or balls installed on the two sides of the push plate 20, which can not only maximize the balance stability of the push plate 20 in the lifting and horizontal movement along the two sets of track chutes, but also reduce the effectiveness of the simple guide control structure between the push plate 20 and the two sets of track chutes; the rolling or rotating parts adopt the bearing 21 or ball structure, and the bearings 21 or balls on the two sides of the push plate 20 can be limited to rotate or roll in the inclined section track chutes 12 and the horizontal section track chutes 11, thereby driving the push plate 20 to move and change its position along the inclined section track chutes 12 and the horizontal section track chutes 11, and then driving the used parts set on the push plate 20 to move and change their positions synchronously. The driving power component 07 adopts a telescopic electric cylinder, a telescopic air cylinder or a telescopic hydraulic cylinder, and the telescopic electric cylinder or telescopic cylinder or telescopic hydraulic cylinder is connected to the rear mold B plate 03 through its corresponding telescopic push rod 071.

[0036] The push plate 20 is provided with two first sliders 50, two second sliders 60, two pressing blocks 22 and one pushing block 23. The two first sliders 50 are connected with a first limiting fixing block 51, which is used to limit and fix the lid 71 of the product to be ejected and demoulded. The two second sliders 60 are provided with a second limiting fixing block, which is used to limit and fix the lid end 72 of the main body 70 of the product to be ejected and demoulded (the shape of the product and its lid or cover body drawn in the figure is only a product effect display, and does not represent that only the product effect diagram in the figure can be processed. For products with a small projection area but high Products with a high degree of freedom, or products with a cover or lid at the same time, can adopt the technical solution of the present invention to perform long core pulling mold opening and demolding processing). A pressing block is installed above the two first sliders 50 and the two second sliders 60, that is, a pressing block is pressed above the first slider and the second slider on the same side. Specifically, the two pressing blocks 22 are distributed at the positions on both sides of the product body 70 and the lid 71, and the two first sliders 50 and the two second sliders 60 at the positions on both sides of the product body 70 and the lid 71 are effectively pressed and limited, so as to better ensure the stability and reliability of the sliding action and facilitate the maintenance of the mechanism. When the push block is facing the The collision block in the flipping collision device is set; both ends of the two first sliders 50 and the two second sliders 60 are provided with oblique sliding grooves for shoveling with the shovel machine, and the outer ends of the oblique sliding grooves are arranged obliquely toward the inner side of the track vertical plate and the shovel machine; specifically, the two first sliders 50 are provided with first oblique sliding grooves 52 for shoveling with the shovel machine 30, and the outer top end surface 53 of the first slider facing the inner side surface direction of the two track vertical plates 10 has a lower height dimension than the first oblique sliding groove 52 away from the first slider top end surface in the inner side surface direction of the two track vertical plates 10; the two second sliders 60 A second oblique groove 61 is provided on the top for shoveling with the shovel machine 30. The outer top end surface of the second slider facing the inner side surface of the two track vertical plates 10 on the outside of the two second oblique grooves 52 has a lower height dimension than the second slider top end surface in the direction of the inner side surface of the two track vertical plates 10 away from the second oblique groove 61. A forward trapezoidal platform surface 62 is provided at the front end of the second slider outer top end surface facing the shovel machine 30. The top surface height of the forward trapezoidal platform surface 62 is flush with the groove bottom height of the second oblique groove 61, thereby improving the smoothness, reliability and effectiveness of the shoveling guidance when the shovel machine 30 shovels into the second oblique groove 61.

[0037] The rotating shaft 44 is installed and connected at the top of the two track uprights 10 and is located above the translation section of the track top (that is, the horizontal section track slide groove 11). The two ends of the rotating shaft 44 are installed and connected with the connection between the top of the two track uprights 10. The rotating shaft pin 45 is vertically connected to the rotating shaft 44 (the central axis of the rotating shaft pin is perpendicular to the central axis of the rotating shaft). The top connection of the track upright connected with the rotating shaft pin 45 is provided with a pin movement limiting groove 15, so as to better realize the limiting effectiveness of the rotating shaft rotation driven by the push of the push block 23 against the collision block.

[0038] Elastic leaf springs or torsion springs 46 are respectively installed and connected on both sides of the impact block on the rotating shaft 44. When the impact block is continuously pushed by the pushing block 23, the rotating shaft 44 also rotates during the process of the impact block flipping and pressing the cover or cover body 71 of the product, and the elastic leaf spring or torsion spring 46 installed and connected to the rotating shaft 44 is also continuously tightened under force; during the recovery process, the elastic leaf spring or torsion spring 46 releases the elastic force to make the impact block slowly return to its original position, thereby improving the simplicity, reliability and effectiveness of the slow return of the impact block to its original position.

[0039] The collision block comprises a collision block body 40, a bevel body 41, a turning collision block portion 42 and a wing collision block body 43. The collision block body 40 is connected and fixedly arranged in the middle position of the rotating shaft 44. The collision block body 40 is a rectangular body as a whole, and the wing collision block body 43 is a rectangular body as a whole. The front end of the collision block body 43 facing the push block 23 is extended and connected with a collision surface of the collision block bevel body 41, and the collision surface of the collision block bevel body 41 is used to contact the push block 23 to push the collision block body 40 to flip backward. The rear end of the collision block body 40 is extended and connected with a turning collision block portion 42 and a wing collision block body 43, wherein when the collision block is in a static state without flipping, the collision surface position of the turning collision block portion 42 is higher than the top height position of the collision block body 40, and the wing collision block body 43 is extended and connected backward from the turning collision block portion 42, and a 90-degree flip connection section 47 is provided between the wing collision block body 43 and the collision block body 40.

[0040] The pushing block 23 has a downwardly inclined triangular end structure composed of a lower inclined surface body 231 and an upper plane body at one end facing the impact block, wherein the lower inclined surface body 231 is inclined downward from the pushing head of the pushing block in a direction away from the impact block.

[0041] The pressing block 22 as a whole adopts an inverted mountain-shaped structure, and two press-fitting spaces formed by the inverted mountain-shaped structure are used to form press-fitting limits for the first slider 50 and the second slider 60 respectively.

[0042] Embodiment 2: Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7, Figure 8 , Fig. 9 , Fig.10 , Fig.11 , Fig.12 , Fig.13 In the embodiment shown, a method for ejecting and fastening an extra-long core pull-out is provided, which adopts the ejecting and fastening mechanism of the extra-long core pull-out described in Example 1, and adopts the following ejecting and fastening steps: A1. After the injection molding is completed, the mold is opened and the front mold and the rear mold are opened to the maximum distance (see Figure 3 , Figure 4 ); A2. The driving power component performs the translation task of driving the B plate and the push plate on the B plate, and moves the B plate horizontally toward the driving power component; A3. In the above step A2, the B plate moves horizontally toward the driving power component under the connection drive of the driving power component, and the push plate above the B plate automatically rises along the rear mold guide column and moves to the top translation section of the track under the guidance of the push plate lifting and translation sliding rail assembly, so that the A plate and the push plate are moved to a position outside the A plate area of ​​the front mold, and the space above the push plate is not restricted by the A plate (see Figure 3 and subsequent views); A4. Under the driving action of the driving power component, when the push plate moves horizontally toward the flipping and pressing device at the top translation section of the track, the push block on the push plate touches the collision block, and at the same time, the first two sliders of the slider also touch the shovel (see Figure 4 ); A5. With the continued driving of the driving power component, the oblique grooves in the two first sliders continue to move toward the shovel. As the shovel engages the depth of the oblique grooves in the two first sliders, the two first sliders are forced to retreat toward the two track vertical plates, thereby forcing the two first sliders to retreat and open to break away from the restriction and fixation of the product cover or cover body, and the bottom space of the product cover or cover body is vacated (see Fig. 9 ); A6. In the above step A5, the push block will also continue to push the inclined surface in the collision block, so that the collision block body will follow the slow rotation movement; A7. In the above step A5, after the space at the bottom of the product cover or cover body is vacated, only two second sliders are used to limit and fix the cover end of the product body; A8. In the above steps A5 to A7, as the two first slide blocks separate from the shovel and the driving power component continues to drive, the push plate continues to move toward the flipping and pressing device, and the push block rotates against the inclined surface in the collision block until the turning collision block part in the collision block touches the top of the product cover (see Fig.10 ); A9. In the above step A8, as the driving power component continues to drive, the push plate continues to move toward the flipping and impacting device. Since the product cover and the cover end of the product body are connected by a relatively soft butterfly bending mouth, the turning impact block part presses the product cover downward to make the product cover slowly rotate downward and flip toward the cover end of the product body (see Fig.11 ); A10. In the above step A9, as the driving power component continues to drive, the push plate continues to move toward the flipping and pressing device, the product cover continues to rotate and flip toward the cover end of the product body, and the product body also moves toward the wing plate collision block body of the collision block until the wing plate collision block body supports and covers the entire product cover on the cover end of the product body (see Fig.12 ); A11. In the above step A10, as the driving power component continues to drive, the push plate continues to move toward the flipping and pressing device, and the two second sliders touch the shovel. As the shovel deeply shovels the oblique grooves in the two second sliders, the two second sliders are forced to retreat toward the two track vertical plates, thereby forcing the two second sliders to retreat and open to break away from the restriction and fixation of the product cover or cover body, so that the cover end of the product body is completely separated from the mold (see Fig.13 ); A12. Take out the product, and the core pulling, mold opening and demoulding actions are completed; A13. During the mold closing process, the two first slides and the two second slides will return to their original positions in sequence due to the driving power components and the shovel machine; the collision block will also automatically return to its original position under the restoring force of the spring or torsion spring, forming a reciprocating closed loop.

[0043] Above Fig. 9 , Fig.10 , Fig.11 , Fig.12 , Fig.13 In the embodiment shown, in order to better reflect the demoulding process and the action relationship between the collision blocks, the height effect of the product body 70 is not fully drawn, and the rest is the same as embodiment 1.

[0044] Embodiment 3: Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Fig. 9 , Fig.10 , Fig.11 , Fig.12 , Fig.13In the embodiment shown, a method for ejecting and fastening an extra-long core pull-out is provided, which adopts the ejecting and fastening mechanism of the extra-long core pull-out described in Example 1, and adopts the following ejecting and fastening steps: A1. After the injection molding is completed, the mold is opened to 430mm, and the front mold and the rear mold are opened to the maximum distance; A2. The driving power component performs the translation task of driving the B plate and the push plate on the B plate, and moves the B plate horizontally toward the driving power component; A3. In the above step A2, the B plate moves horizontally toward the driving power component under the connection drive of the driving power component, and the push plate above the B plate automatically rises along the rear mold guide column and moves to the top translation section of the track under the guidance of the push plate lifting and translation sliding rail assembly, so that the A plate and the push plate are moved to a position outside the A plate area of ​​the front mold, and the space above the push plate is not restricted by the A plate; A4. Under the driving action of the driving power component, when the push plate moves horizontally toward the flipping and pressing device at the top translation section of the track, the push block on the push plate touches the collision block, and at the same time, the first two sliders of the slider also touch the shovel; A5. With the continued driving of the driving power component, the oblique grooves in the two first sliders continue to move toward the shovel. As the shovel engages the depth of the oblique grooves in the two first sliders, the two first sliders are forced to retreat 12mm toward the two track vertical plates, thereby forcing the two first sliders to retreat and open to break away from the restriction and fixation of the product cover or cover body. After the B plate moves 326mm from the starting position toward the driving power component, the bottom space of the product cover or cover body is vacated (see Fig. 9 ); A6. In the above step A5, the push block will also continue to push the inclined surface in the collision block, so that the collision block body will follow the slow rotation movement; A7. In the above step A5, after the space at the bottom of the product cover or cover body is vacated, only two second sliders are used to limit and fix the cover end of the product body; A8. In the above steps A5 to A7, as the two first slide blocks separate from the shovel and the driving power component continues to drive, the push plate continues to move 10 mm toward the flipping and pressing device, and the push block rotates 167 degrees against the inclined surface in the collision block until the turning collision block part in the collision block touches the top of the product cover (see Fig.10 ); A9. In the above step A8, as the driving power component continues to drive, the push plate continues to move 5mm toward the flipping and impacting device. Since the product cover and the cover end of the product body are connected by a relatively soft butterfly bending mouth, the turning impact block part presses the product cover downward to make the product cover slowly rotate downward and flip toward the cover end of the product body (see Fig.11 ); A10. In the above step A9, as the driving power component continues to drive, the push plate continues to move 20mm toward the flipping and pressing device, the product cover continues to rotate and flip toward the cover end of the product body, and the product body also moves toward the wing plate collision block body of the collision block until the wing plate collision block body supports and covers the entire product cover on the cover end of the product body (see Fig.12 ); A11. In the above step A10, as the driving power component continues to drive, the push plate continues to move 10mm toward the flipping and pressing device, and the two second sliders touch the shovel. As the shovel deeply shovels the oblique grooves in the two second sliders, the two second sliders are forced to retreat toward the two track vertical plates, thereby forcing the two second sliders to retreat and open to break away from the restriction and fixation of the product cover or cover body, so that the cover end of the product body is completely separated from the mold (see Fig.13 ); A12. Take out the product, and the core pulling, mold opening and demoulding actions are completed; A13. During the mold closing process, the two first slides and the two second slides will return to their original positions in sequence due to the driving power components and the shovel machine; the collision block will also automatically return to its original position under the restoring force of the spring or torsion spring, forming a reciprocating closed loop.

[0045] Above Fig. 9 , Fig.10 , Fig.11 , Fig.12 , Fig.13 In the embodiment shown, in order to better reflect the demoulding process and the action relationship between the collision blocks, the height effect of the product body 70 is not fully drawn, and the rest is the same as embodiment 1.

[0046] Note: In the above steps A1 to A13, the dimension distance parameters recorded are based on the injection molding machine with a maximum mold opening distance of 430mm as an example to perform the corresponding ejection and fastening steps. For other injection molding machines with maximum mold opening distances and product height dimensions exceeding the corresponding machine dimensions, refer to the technical solution ideas of the above embodiment to adjust the appropriate moving distance control dimension parameters to complete the core pulling, mold opening and demolding action.

[0047] In the description of the positional relationship of the present invention, terms such as "inside", "outside", "up", "down", "left", "right", "front", "back", etc. that indicate orientation or positional relationship are based on the orientation or positional relationship shown in the drawings and are only for the convenience of describing the embodiments and simplifying the description. They do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0048] The above content and structure describe the basic principle, main features and advantages of the product of the present invention, which should be understood by those skilled in the art. The above examples and descriptions are only for explaining the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which are within the scope of the present invention. The scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. An ejection and fastening mechanism for an ultra-long core pulling device, comprising a front mold and a rear mold, wherein the front mold comprises a front mold A plate and a front mold panel, and the rear mold comprises a rear mold B plate and a rear mold guide column, and is characterized in that: It also includes a translation ejection device and a flip impact device. The translation ejection device includes a bottom plate, a track vertical plate, a push plate and a driving power component. The two track vertical plates are respectively arranged at the two sides of the bottom plate. The rear mold B plate is arranged above the bottom plate. The driving power component drives the rear mold B plate to move along the bottom plate. A push plate is arranged above the rear mold B plate. The push plate is sleeved on the rear mold guide column and can move up and down along the rear mold guide column. The two side surfaces of the push plate and the inner sides of the two track vertical plates are mutually provided with a movable lifting and sliding track assembly with a track top translation section When the rear mold B plate translates along the bottom plate, it drives the push plate to move up and down on the rear mold guide column and translate in the top translation section of the track synchronously; the flipping and impacting device includes a collision block, a shovel and a rotating shaft. The shovel and the rotating shaft are arranged at the top of the two track vertical plates and above the top translation section of the track. A collision block is arranged on the rotating shaft, and a pushing block and a sliding block are arranged on the push plate. The pushing block is used to push the collision block to flip when the push plate moves. The sliding block is slidably connected with the shovel. When the shovel shovels into the sliding block, it drives the sliding block to separate the positioning of the ejection demoulding product.

2. The ejection and fastening mechanism of the super-long core pull-out device according to claim 1, characterized in that: The movable lifting and sliding rail assembly comprises a rear mold B plate translation sliding rail assembly and a push plate lifting and translation sliding rail assembly, wherein the rear mold B plate translation sliding rail assembly adopts a concave and convex limiting translation slide groove slide structure on both sides of the rear mold B plate and the inner sides of the two track vertical plates, and the push plate lifting and translation sliding rail assembly adopts a push plate with rolling or rotating parts protruding on both sides, and the inner sides of the two track vertical plates are each provided with two groups of track grooves, and the two groups of track grooves are used to guide the rolling or rotating parts to limit sliding or rolling in their grooves, and the two groups of track grooves both have inclined section track grooves and horizontal section track grooves, and the horizontal section track groove is the top translation section of the track of the track groove.

3. The ejection and locking mechanism of the super-long core pull-out device according to claim 1, characterized in that: The driving power component adopts a telescopic electric cylinder, a telescopic air cylinder or a telescopic hydraulic cylinder, and the telescopic electric cylinder, the telescopic air cylinder or the telescopic hydraulic cylinder is drivingly connected to the rear mold plate B through its corresponding telescopic push rod.

4. The ejection and locking mechanism of the super-long core pull-out device according to claim 1, characterized in that: The push plate is provided with two first sliding blocks, two second sliding blocks, two pressure blocks and one pushing block. The two first sliding blocks are each provided with a first limiting and fixing block, which is used to limit and fix the lid of the product to be ejected and demolded. The two second sliding blocks are each provided with a second limiting and fixing block, which is used to limit and fix the cover end of the main body of the product to be ejected and demolded. A pressure block is press-installed above the first sliding block and the second sliding block on the same side, and the pushing block is arranged directly facing the impact block in the flipping and impacting device; the outer ends of the two first sliding blocks and the two second sliding blocks are each provided with an oblique slide groove that cooperates with the shovel machine for shoveling, and the outer ends of the oblique slide grooves are arranged obliquely toward the inner side surface of the track vertical plate and the direction of the shovel machine.

5. The ejection and locking mechanism of the super-long core pull-out device according to claim 1, characterized in that: The rotating shaft connection is arranged at the top ends of the two track uprights and above the translation section of the track top. The two end ends of the rotating shaft and the connection between the top ends of the two track uprights are provided with rotating shaft pins. The rotating shaft pins are vertically connected to the rotating shaft. The connection between the top ends of the track uprights that are limitedly connected to the rotating shaft pins is provided with pin movement limiting grooves.

6. The ejection and fastening mechanism of the super-long core pull-out device according to claim 1, characterized in that: The rotating shaft is provided with leaf springs or torsion springs at both sides of the collision block.

7. The ejection and locking mechanism of the super-long core pull-out device according to claim 1, characterized in that: The collision block comprises a collision block body, a bevel body, a turning collision block part and a wing plate collision block body, the collision block body is connected and fixed on the rotating shaft, the collision block body is a rectangular body as a whole, the wing plate collision block body is a rectangular body as a whole, the front end of the collision block body toward the pushing block is extended and connected with a bevel body, the bevel body is used to contact the pushing block and push the collision block body to flip backward, the rear end of the collision block body is extended and connected with a turning collision block part and a wing plate collision block body, wherein when the collision block is in a static state without flipping, the collision surface position of the turning collision block part is higher than the top height position of the collision block body, the wing plate collision block body is extended and connected backward from the turning collision block part, and a 90-degree flip connection section is provided between the wing plate collision block body and the collision block body.

8. The ejection and locking mechanism of the super-long core pull-out device according to claim 1, characterized in that: The pushing block has a downwardly inclined triangular end structure composed of a lower inclined surface body and an upper plane body at one end facing the impact block, wherein the lower inclined surface body is arranged to be away from the impact block and inclined downward from the pushing head of the pushing block.

9. The ejection and locking mechanism of the super-long core pull-out device according to claim 4, characterized in that: The pressing block as a whole adopts an inverted mountain-shaped structure, and two pressing spaces formed by the inverted mountain-shaped structure are used to form press-fitting limits for the first slider and the second slider respectively.

10. A method for ejecting and fastening an extra-long core pull, characterized in that: The ejection and fastening mechanism of the super-long core puller according to any one of claims 1 to 9 is adopted, and the following ejection and fastening steps are adopted: A1. After the injection molding is completed, the mold is opened and the front mold and the rear mold are opened to the maximum distance; A2. The driving power component performs the translation task of driving the B plate and the push plate on the B plate, and moves the B plate horizontally toward the driving power component; A3. In the above step A2, the B plate moves horizontally toward the driving power component under the connection drive of the driving power component, and the push plate above the B plate automatically rises along the rear mold guide column and moves to the top translation section of the track under the guidance of the push plate lifting and translation sliding rail assembly, so that the A plate and the push plate are moved to a position outside the A plate area of ​​the front mold, and the space above the push plate is not restricted by the A plate; A4. Under the driving action of the driving power component, when the push plate moves horizontally toward the flipping and pressing device at the top translation section of the track, the push block on the push plate touches the collision block, and at the same time, the first two sliders of the slider also touch the shovel; A5. With the continued driving of the driving power component, the oblique grooves in the two first sliders continue to move toward the shovel. As the shovel engages the depth of the oblique grooves in the two first sliders, the two first sliders are forced to retreat toward the two track vertical plates, thereby forcing the two first sliders to retreat and open to break away from the restriction and fixation of the product cover or cover body, and vacate the space at the bottom of the product cover or cover body; A6. In the above step A5, the push block will also continue to push the inclined surface in the collision block, so that the collision block body will follow the slow rotation movement; A7. In the above step A5, after the space at the bottom of the product cover or cover body is vacated, only two second sliders are used to limit and fix the cover end of the product body; A8. In the above steps A5 to A7, as the two first slide blocks are separated from the shovel and the driving power component continues to drive, the push plate continues to move toward the flipping and pressing device, and the push block rotates against the inclined surface in the collision block until the turning collision block part in the collision block touches the top of the product cover; A9. In the above step A8, as the driving power component continues to drive, the push plate continues to move toward the flipping and impacting device. Since the product cover and the cover end of the product body are connected by a relatively soft butterfly bending mouth, the turning impact block part presses the product cover downward to make the product cover slowly rotate downward and flip toward the cover end of the product body; A10. In the above step A9, as the driving power component continues to drive, the push plate continues to move toward the flipping and pressing device, the product cover continues to rotate and flip toward the cover end of the product body, and the product body also moves toward the wing plate collision block body of the collision block until the wing plate collision block body supports and covers the entire product cover on the cover end of the product body; A11. In the above step A10, as the driving power component continues to drive, the push plate continues to move toward the flipping and pressing device, and the two second sliders touch the shovel. As the shovel deeply shovels the oblique grooves in the two second sliders, the two second sliders are forced to retreat toward the two track vertical plates, thereby forcing the two second sliders to retreat and open to break away from the restriction and fixation of the product cover or cover body, so that the cover end of the product body is completely separated from the mold; A12. Take out the product, and the core pulling, mold opening and demoulding actions are completed; A13. During the mold closing process, the two groups of first slides and the two groups of second slides will return to their original positions in sequence due to the driving power components and the shovel machine; the collision block will also automatically return to its original position under the restoring force of the spring or torsion spring, forming a reciprocating closed loop.

Images