Double-ejection structure for large-packaging-force product

Abstract

The invention relates to the field of injection molding, in particular to a double-ejection structure for a large-packing-force product, and the double-ejection structure for the large-packing-force product comprises two matching plates, and the two matching plates, an upper mold assembly and a lower mold assembly jointly form a first assembly cavity; the driving assembly comprises a telescopic rod and a guide plate assembly, the guide plate assembly comprises a first connecting plate and two moving plates, the sides, close to each other, of the two moving plates are each provided with a first sliding groove, a second sliding groove and a third sliding groove, and the third sliding groove is further provided with two notches; the two sides of the first top plate assembly are each provided with two oppositely-arranged first rolling wheels. The two sides of the second top plate assembly are each provided with two second rolling wheels which are oppositely arranged. By effectively utilizing the structural configuration of the mold, the mold has the advantages that demolding of products with large packaging force is facilitated, and the mold cavity structure can rotate by a preset angle in the ejection process in a double-ejection mode.

Description

Technical Field

[0001] The present application relates to the field of injection molding, and more particularly to a double ejection structure for products with large clamping force. Background Art

[0002] The bottom structure of existing products is as follows Figure 8 As shown, after the product is injection molded, the two areas A and B have a large clamping force, so the existing mold structure will cause the two areas A and B to be adsorbed in the mold cavity and difficult to demold. That is, the two areas A and B need to be demolded one after another to facilitate the removal of the product from the mold cavity. In addition, the blade structure of the product is spiral, so the conventional straight opening and closing method cannot make the blade structure out of the mold cavity. Therefore, it is necessary to design a mold cavity structure that can rotate during the mold opening or closing process to facilitate the blade structure to be out of the mold cavity. Therefore, there is a need to provide a double ejection structure for products with large clamping force that is convenient for demolding products with large clamping force, a double ejection method, and a mold cavity structure that can rotate a predetermined angle during the ejection process. Summary of the Invention

[0003] The main purpose of the present application is to provide a double ejection structure for products with large tightening force, wherein the double ejection structure for products with large tightening force can effectively utilize its own structural configuration to achieve the advantages of convenient demoulding and double ejection of products with large tightening force.

[0004] Another object of the present application is to provide a double ejection structure for products with large clamping force, wherein the double ejection structure for products with large clamping force includes two matching plates arranged opposite to each other, the two matching plates are fixed between the upper mold assembly and the lower mold assembly, and a first assembly cavity is formed between the two matching plates, the upper mold assembly and the lower mold assembly; a driving assembly, the driving assembly includes a telescopic rod and a guide plate assembly, the end of the telescopic rod is fixedly matched with the guide plate assembly to drive the guide plate assembly to move along the telescopic direction of the telescopic rod, and the guide plate assembly is movably arranged in the first assembly cavity, and the guide plate assembly includes a first connecting plate and and a plurality of movable plates, the two movable plates being arranged opposite to each other and fixed at both ends of the first connecting plate, and the center of the first connecting plate being fixedly connected to the end of the telescopic rod, and the other two movable plates being located between the sides of the two matching plates approaching each other, and the sides of the two movable plates approaching each other each having a first slide groove, a second slide groove and a third slide groove, the first slide groove and the second slide groove being both inclined grooves, and the third slide groove being a flat groove, wherein the third slide groove also has two notches, one of which faces the bottom of the first slide groove, and the other notch faces the bottom of the second slide groove; a first top plate assembly, both sides of the first top plate assembly have two first rolling wheels arranged opposite to each other, and a plurality of the The first rolling wheel is arranged in the corresponding first sliding groove or the second sliding groove; and a second top plate assembly, the first top plate assembly and the second top plate assembly are both movably arranged in the first assembly cavity, and the first top plate assembly is located on the upper side of the second top plate assembly and is spaced a predetermined distance apart. In addition, both sides of the first top plate assembly and both sides of the second top plate assembly are matched with the side where the two movable plates are close to each other, and both sides of the second top plate assembly have two oppositely arranged second rolling wheels, and multiple second rolling wheels are arranged in the corresponding recesses of the third sliding groove and close to the top of the recess, wherein the above-mentioned first top plate assembly and the second top plate assembly are moved by the above-mentioned The plates operate in sequence, that is, the top of the annular movable mold is first moved so that the blade structure of the product is no longer pressed by the mold cavity structure, and then the product is ejected. At the same time, the above-mentioned lower mold assembly includes a fixed plate, a first movable plate and a second movable plate. The fixed plate is fixedly connected to the ends of the two matching plates. The first movable plate is movably arranged on the side of the fixed plate away from the matching plate, and the second movable plate is movably arranged on the side of the first movable plate away from the fixed plate, that is, the first movable plate is connected to the first movable column, and the second movable plate is connected to the second movable column, that is, through the successive movement of the first movable plate and the second movable plate, the A and B areas of the product are sucked and demolded in sequence.

[0005] Another object of the present application is to provide a dual ejection structure for products with large tightening force, wherein the dual ejection structure for products with large tightening force has a simple structure and is easy to operate, does not involve complex manufacturing processes and expensive materials, has high economy, and is easy to promote and use.

[0006] In order to achieve at least one of the above-mentioned invention objectives, the present application provides a dual ejection structure for products with high tightening force, wherein the dual ejection structure for products with high tightening force comprises: Two matching plates arranged opposite to each other, the two matching plates being fixed between the upper mold assembly and the lower mold assembly, and a first assembly cavity being formed between the two matching plates, the upper mold assembly and the lower mold assembly; 7. The swiftly and minutely adjusting device for a wood-planer working table as claimed in claim 1, wherein said linking rod and said adjusting base are pivotally connected to each other with a bolt, and said bolt has a round shank to contact with said linking rod. said linking rod has a first end in said sliding panel and a second end in said sliding panel. a first top plate assembly, each side of the first top plate assembly having two first rolling wheels arranged opposite to each other, and a plurality of the first rolling wheels being arranged in corresponding first chute or second chute; and A second top plate assembly, the first top plate assembly and the second top plate assembly are both liftably arranged in the first assembly cavity, and the first top plate assembly is located on the upper side of the second top plate assembly and is spaced a predetermined distance apart. In addition, both sides of the first top plate assembly and both sides of the second top plate assembly cooperate with the sides of the two movable plates that are close to each other, and both sides of the second top plate assembly have two oppositely arranged second rolling wheels, and multiple second rolling wheels are arranged in the corresponding recesses of the third slide groove and close to the top of the recess.

[0007] In one or more embodiments of the present application, the lower mold assembly includes a fixed plate, a first movable plate and a second movable plate, the fixed plate is fixedly connected to the ends of the two mating plates, the first movable plate is movably arranged on the side of the fixed plate away from the mating plate, and the second movable plate is movably arranged on the side of the first movable plate away from the fixed plate.

[0008] In one or more embodiments of the present application, the lower mold assembly also includes multiple linkage assemblies, one end of each of the linkage assemblies is arranged on the second movable plate, and the other end is arranged on the second movable plate, so as to limit the movement sequence of the first movable plate and the second movable plate through the linkage assemblies.

[0009] In one or more embodiments of the present application, each of the linkage components includes a movable card plate and two positioning components, the movable card plate has a guide slot, the two positioning components are respectively fixed on the first movable plate and the second movable plate, and the two positioning components are also arranged at the guide slot, wherein the linkage component cooperating with the second movable plate rests on the side wall forming the guide slot.

[0010] In one or more embodiments of the present application, the double ejection structure for products with large clamping force also includes a first movable column and a second movable column, one end of the first movable column is arranged on the side of the upper mold assembly away from the lower mold assembly, and the other end is fixed at the first movable plate, and is configured to move synchronously with the first movable plate, and one end of the second movable column is arranged on the side of the upper mold assembly away from the lower mold assembly, and the other end is fixed at the second movable plate, and is configured to move synchronously with the second movable plate.

[0011] In one or more embodiments of the present application, the first moving column is a hollow tube, and the second moving column is movably disposed inside the second moving column.

[0012] In one or more embodiments of the present application, the upper mold assembly includes a second connecting plate, the center of the second connecting plate has a second assembly cavity, the side wall forming the second assembly cavity also has a plurality of first mounting grooves and a plurality of second mounting grooves, the plurality of first mounting grooves and the plurality of second mounting grooves are staggered, and the plurality of first mounting grooves and the plurality of second mounting grooves are arranged in a circular array.

[0013] In one or more embodiments of the present application, the upper mold assembly also includes a plurality of spiral guide blocks and a plurality of limit blocks, the plurality of spiral guide blocks are respectively arranged at the plurality of first mounting grooves, and the plurality of limit blocks are respectively arranged at the plurality of second mounting grooves, the plurality of spiral guide blocks have a guide portion on the side close to each other, and the plurality of limit blocks have a limit portion on the side close to each other, wherein the upper mold assembly also includes an annular movable mold, the outer wall of the annular movable mold has a plurality of guide bevels and a plurality of limit grooves, the plurality of guide bevels cooperate with the plurality of guide portions, and the plurality of limit portions cooperate with the plurality of limit grooves.

[0014] In one or more embodiments of the present application, the upper mold assembly also includes a fixed mold, the bottom of which is fixed on the bottom of the second mating cavity, and the annular movable mold is sleeved on the top of the fixed mold. In addition, a plurality of evenly distributed modules are fixed on the inner wall of the annular movable mold.

[0015] In one or more embodiments of the present application, the double ejection structure for products with large clamping force also includes a plurality of first ejector rods, and the bottom ends of the plurality of first ejector rods are fixed on the second ejector plate assembly, and the other ends all pass through the bottom of the fixed mold and rest against the bottom of the annular movable mold. The double ejection structure for products with large clamping force also includes a second ejector rod, one end of the second ejector rod is fixed on the second ejector plate assembly, and the other end passes through the fixed mold and is located at the bottom of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] These and / or other aspects and advantages of the present application will become more clear and easier to understand from the following detailed description of the embodiments of the present application in conjunction with the accompanying drawings, in which: Figure 1 The figure shows a schematic diagram of a double ejection structure for products with high clamping force.

[0017] Figure 2 The diagram shows the structure of the lower mold assembly Figure 1 .

[0018] Figure 3 The diagram shows the structure of the lower mold assembly Figure 2 .

[0019] Figure 4 The figure shows a schematic structural diagram of the drive component.

[0020] Figure 5 The figure shows a schematic structural diagram of the first top plate assembly and the second top plate assembly.

[0021] Figure 6 The figure shows a schematic structural diagram of the moving plate.

[0022] Figure 7 The diagram shows the structure of the product Figure 1 .

[0023] Figure 8 The diagram shows the structure of the product Figure 2 .

[0024] Figure 9 The figure shows a schematic structural diagram of the second connecting plate.

[0025] Figure 10 The figure shows a schematic structural diagram of the spiral guide block.

[0026] Figure 11 The figure shows a schematic structural diagram of the annular movable mold.

[0027] Figure 12 The figure shows a schematic structural diagram of the limit block.

[0028] Figure 13 The figure shows a schematic structural diagram of the fixed mold.

[0029] Figure 14 The diagram shows a partial structural diagram of a double ejector structure for products with high clamping force. Figure 1 .

[0030] Figure 15 The diagram shows a partial structural diagram of a double ejector structure for products with high clamping force. Figure 2 .

[0031] Figure 16 The diagram shows a partial structural diagram of a double ejector structure for products with high clamping force. Figure 3 .

[0032] Figure 17 The diagram shows a partial structural diagram of a double ejector structure for products with high clamping force. Figure 4 . DETAILED DESCRIPTION

[0033] The terms and words used in the following description and claims are not limited to the literal meanings, but are merely used by the inventor to enable a clear and consistent understanding of the present application. Therefore, it will be apparent to those skilled in the art that the following description of various embodiments of the present application is provided for illustration purposes only and not for the purpose of limiting the present application as defined by the appended claims and their equivalents.

[0034] It is understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the elements may be multiple, and the term "one" should not be understood as a limitation on the quantity.

[0035] Although ordinal numbers such as "first," "second," and the like will be used to describe various components, these are not intended to limit those components. The terms are used solely to distinguish one component from another. For example, a first component could be referred to as a second component, and similarly, a second component could be referred to as a first component without departing from the teachings of the inventive concept. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0036] The terms used herein are for the purpose of describing various embodiments only and are not intended to be limiting. As used herein, the singular is intended to include the plural, unless the context clearly indicates otherwise. It will also be understood that the terms "comprising" and / or "having" when used in this specification specify the presence of a stated feature, number, step, operation, component, element, or combination thereof, and do not preclude the presence or addition of one or more other features, numbers, steps, operations, components, elements, or groups thereof.

[0037] refer to Figures 1 to 17 According to a preferred embodiment of the present invention, a double ejection structure for a product with large tightening force, wherein the double ejection structure for a product with large tightening force has a structure as follows Figure 1 It includes a partial mold assembly, specifically an upper mold assembly 10 and a lower mold assembly 20, and two oppositely arranged matching plates 30 are also arranged between the lower mold assembly 20 and the upper mold assembly 10, that is, a first assembly cavity 100 is formed between the two matching plates 30, the upper mold assembly 10 and the lower mold assembly 20.

[0038] Specifically, the dual ejection structure for products with high clamping force further includes a drive assembly 40, which includes a retractable telescopic rod 41 and a guide plate assembly 42. The end of the telescopic rod 41 is fixedly mated with the guide plate assembly 42 to drive the guide plate assembly 42 to move along the telescopic direction of the telescopic rod 41. It should be understood by those skilled in the art that the drive mode of the telescopic rod 41 can be implemented as a cylinder drive, and the guide plate assembly 42 is movably disposed in the first assembly cavity 100. Specifically, the guide plate assembly 42 includes a first connecting plate 421 and two movable plates 422. The two movable plates 422 are arranged opposite to each other and fixed to the two ends of the first connecting plate 421. The center of the first connecting plate 421 is fixedly connected to the end of the telescopic rod 41. The other two movable plates 422 are located between the sides of the two mating plates 30 that are close to each other.

[0039] Specifically, the double ejection structure for products with high clamping force also includes a first ejector plate assembly 51 and a second ejector plate assembly 52. The first ejector plate assembly 51 and the second ejector plate assembly 52 are both arranged in a liftable manner in the first assembly cavity 100. At the same time, the first ejector plate assembly 51 is located on the upper side of the second ejector plate assembly 52 and is separated by a predetermined distance. In addition, both sides of the first ejector plate assembly 51 and the second ejector plate assembly 52 are matched with the sides of the two movable plates 422 that are close to each other, as shown in FIG. Figure 6 The movable plate 422 structure shown in FIG. 4 is a structure in which the two movable plates 422 are close to each other on one side and have a first slide groove 42201, a second slide groove 42202 and a third slide groove 42203. The first slide groove 42201 and the second slide groove 42202 are both inclined grooves, and the third slide groove 42203 is a flat groove, wherein the third slide groove 42203 also has two notches 42204, one of which is opposite to the bottom of the first slide groove 42201, and the other notch 42204 is opposite to the bottom of the second slide groove 42202.

[0040] It should be noted that the side walls of the first top plate assembly 51 cooperate with the first slide groove 42201 and the second slide groove 42202. It is worth mentioning that when the telescopic rod 41 pushes the first connecting plate 421 forward (the first connecting plate 421 moves in the direction away from the external oil cylinder), the first top plate assembly 51 will move along the direction of the first slide groove 42201 and the second slide groove 42202, that is, the first top plate assembly 51 will move upward a predetermined distance. Specifically, both sides of the first top plate assembly 51 have two oppositely arranged first rolling wheels 511, that is, the movement of the first top plate assembly 51 is driven by the four first rolling wheels 511, and it should be noted that the first rolling wheels 511 are connected through the ends of the shaft, and the shaft passes through the first top plate assembly 51, and at the same time, multiple first rolling wheels 511 are arranged in the corresponding first sliding groove 42201 or the second sliding groove 42202. Similarly, both sides of the second top plate assembly 52 have two oppositely arranged second rolling wheels 521, that is, the movement of the first top plate assembly 51 is driven by the four second rolling wheels 521, wherein the above-mentioned multiple second rolling wheels 521 are arranged in the corresponding recess 42204 of the third sliding groove 42203, and close to the top of the recess 42204. It is worth mentioning that, as Figure 6The initial states of the plurality of first scroll wheels 511 and the plurality of second scroll wheels 521 are shown, wherein the widths of the first slide groove 42201 and the second slide groove 42202 are the same, and the radial dimension of the first scroll wheel 511 is smaller than the width of the first slide groove 42201 or the second slide groove 42202, and the initial position of the first scroll wheel 511 is located at the bottom of the first slide groove 42201 or the second slide groove 42202, that is, when the telescopic rod 41 is extended, the movable plate 422 will move to the right by a predetermined distance. At this time, the first top plate assembly 51 and the second top plate assembly 52 cannot move laterally. Therefore, after the movable plate 422 moves laterally a predetermined distance, the bottom wall of the first slide groove 42201 or the second slide groove 42202 will contact the corresponding first rolling wheel 511 to apply a force to the first top plate assembly 51, so that the first rolling wheel 511 moves diagonally upward along the direction of the first slide groove 42201 or the second slide groove 42202, thereby driving the first top plate assembly 51 to move upward a predetermined distance. It should be noted that the initial position of the second rolling wheel 521 is located at the recess 42204 and close to the top plate of the recess 42204, that is, when the movable plate 422 moves, the second rolling wheel 521 will detach from the corresponding recess 42204 along the wall forming the recess 42204 and move horizontally along the third sliding groove 42203, wherein in the process of the second rolling wheel 521 detaching from the corresponding recess 42204, the second top plate assembly 52 will move upward by a predetermined distance, that is, thereby Figure 6 It can be seen that in the process of moving the plate 422 , the second top plate assembly 52 first moves upward by a predetermined distance, and then the first top plate assembly 51 starts to move upward by a predetermined distance.

[0041] It should be noted that the lower mold assembly 20 includes a fixed plate 21, a first movable plate 22 and a second movable plate 23. The fixed plate 21 is fixedly connected to the ends of the two mating plates 30. The first movable plate 22 is movably arranged on the side of the fixed plate 21 away from the mating plate 30, and the second movable plate 23 is movably arranged on the side of the first movable plate 22 away from the fixed plate 21. It should be noted that, in the initial state, the first movable plate 22 rests on the fixed plate 21, and the second movable plate 23 rests on the first movable plate 22, and cooperates with the external injection molding machine.

[0042] It is worth mentioning that the lower mold assembly 20 also includes a plurality of linkage assemblies 200, one end of each of the plurality of linkage assemblies 200 is arranged on the second movable plate 23, and the other end is arranged on the second movable plate 23, so as to limit the movement sequence of the first movable plate 22 and the second movable plate 23 through the linkage assembly 200. Specifically, each of the linkage assemblies 200 includes a movable card plate and two positioning assemblies, the movable card plate has a guide slot, the two positioning assemblies are respectively fixed to the first movable plate 22 and the second movable plate 23, and the two positioning assemblies are also arranged at the guide slot, wherein the second movable plate 23 cooperates with the second movable plate The linkage assembly 200 rests against the side wall forming the guide slot, so when the above-mentioned second movable plate 23 moves in the direction away from the first movable plate 22, the linkage assembly 200 provided on the second movable plate 23 moves synchronously with the guide card until the other side wall forming the guide slot contacts the linkage assembly 200 provided on the first movable plate 22, so that the guide card drives the first movable plate 22 to move a predetermined distance in the direction away from the fixed plate 21, that is, at this time the second movable plate 23 is spaced apart from the first movable plate 22 by a predetermined distance, and the first movable plate 22 is spaced apart from the fixed plate 21 by a predetermined distance.

[0043] It should be noted that the double ejection structure for products with large clamping force also includes a first movable column 61 and a second movable column 62. One end of the first movable column 61 is arranged on the side of the upper mold assembly 10 away from the lower mold assembly 20, and the other end is fixed at the first movable plate 22, and is configured to move synchronously with the first movable plate 22. One end of the second movable column 62 is arranged on the side of the upper mold assembly 10 away from the lower mold assembly 20, and the other end is fixed at the second movable plate 23, and is configured to move synchronously with the second movable plate 23. It should be understood by those skilled in the art that the center of the upper mold assembly 10 away from the lower mold assembly 20 is a partial structure of the mold cavity, that is, the end of the first movable column 61 and the end of the second movable column 62 are both located in the mold cavity. After the product 300 is injection molded, the wall surface of the product 3300 will adhere to the ends of the first movable column 61 and the second movable column 62, thereby forming a particularly large clamping force, which makes it impossible for the product 300 to be demolded smoothly. Therefore, the first movable plate 22 and the second movable plate 23 are moved in sequence to enable the large clamping force area to be directly separated from the product 300, that is, the second movable plate 23 is moved first, and the second movable column 62 fixed on the second movable plate 23 will retreat a predetermined distance to make area A of the product 300 (such as Figure 8As shown) area away from the end of the second movable column 62, then the first movable plate 22 retreats a predetermined distance, and at the same time the first movable column 61 fixed on the first movable plate 22 retreats a predetermined distance, so that area B of the product (as shown) Figure 8 As shown, the first movable post 61 is disengaged from the end of the first movable post 61, meaning that the product 300 in the mold cavity no longer has a strong clamping force, facilitating subsequent demolding of the product 300. It should be noted that the first movable post 61 is a hollow tube, and the second movable post 62 is movably disposed within the second movable post 62. The upper mold assembly 10 also has a communicating hole that cooperates with the first movable post 61, allowing the first movable post 61 to penetrate the upper mold assembly 10.

[0044] It is worth mentioning that Figures 9 to 15 As shown, the upper mold assembly 10 includes a second connecting plate 11, the center of the second connecting plate 11 has a second assembly cavity 1101, and the side wall forming the second assembly cavity 1101 also has a plurality of first mounting grooves 1103 and a plurality of second mounting grooves 1102, the plurality of first mounting grooves 1103 and the plurality of second mounting grooves 1102 are staggered, and the plurality of first mounting grooves 1103 and the plurality of second mounting grooves 1102 are arranged in a circular array, and the number of the plurality of first mounting grooves 1103 or the plurality of second mounting grooves 1102 can be implemented as four.

[0045] Furthermore, the upper mold assembly 10 further includes a plurality of spiral guide blocks 12 and a plurality of limit blocks 13, wherein the plurality of spiral guide blocks 12 are respectively arranged at the plurality of first mounting grooves 1103, and the plurality of limit blocks 13 are respectively arranged at the plurality of second mounting grooves 1102. It is worth mentioning that the sides of the plurality of spiral guide blocks 12 close to each other each have a guide portion 121, and the sides of the plurality of limit blocks 13 close to each other each have a limit portion 131, wherein the upper mold assembly 10 further includes an annular movable mold 14, the outer wall of the annular movable mold 14 has a plurality of guide bevels 1401 and a plurality of limit grooves 1402, the plurality of guide bevels 1401 cooperate with the plurality of guide portions 121, and the plurality of limit portions 131 cooperate with the plurality of limit grooves 1402. It should be noted that the bottom of the above-mentioned annular movable mold 14 is configured to be able to be subjected to a force and move a predetermined distance in a spiral upward direction away from the lower mold assembly 20. At the same time, the groove width of the limiting groove 1402 is greater than the width of the limiting portion 131, thereby limiting the rotation angle of the annular movable mold 14. At the same time, the guiding direction of the guiding inclined groove 1401 limits the movable direction of the annular movable mold 14.

[0046] It is worth mentioning that the upper mold assembly 10 also includes a fixed mold 15, the bottom of the fixed mold 15 is fixed to the bottom of the second matching cavity, and the annular movable mold 14 is sleeved on the top of the fixed mold 15, and the inner wall of the annular movable mold 14 is fixed with a plurality of evenly distributed modules, that is, the plurality of modules and the top of the fixed mold 15 form a mold cavity structure, and it should be noted that the above mold cavity structure is half a mold cavity, and the other half mold cavity is not shown in the figure, and the product structure formed by injection molding is as shown in FIG. Figure 7 As shown, it should be noted that, during the upward movement of the above-mentioned annular movable mold 14, the module will be at a predetermined distance from the corresponding top structure principle of the fixed mold 15, so as to facilitate the demoulding of the blade-shaped structure of the product, and the module and the top structure of the fixed mold 15 will press the blade-shaped structure of the product.

[0047] It is worth mentioning that the dual ejection structure for high-clamping-force products also includes a plurality of first ejector pins 70. The bottom ends of the plurality of first ejector pins 70 are fixed to the second ejector plate assembly 52, and the other ends of the plurality of first ejector pins 70 pass through the bottom of the fixed mold 15 and abut against the bottom of the annular movable mold 14. That is, when the second ejector plate assembly 52 moves upward, the plurality of first ejector pins 70 apply a force to the bottom of the annular movable mold 14, causing the annular movable mold 14 to move a predetermined distance. In addition, the dual ejection structure for high-clamping-force products also includes a second ejector pin 80. One end of the second ejector pin 80 is fixed to the second ejector plate assembly 52, and the other end passes through the fixed mold 15 and is located at the bottom of the product. That is, when the second ejector plate assembly 52 moves upward, the second ejector pin 80 operates synchronously and pushes the product to the top of the mold cavity structure. It should be noted that the first ejector pins 70 are hollow rods, and the first movable column 61 is movably disposed within the first ejector pins 70. At the same time, the fixed mold 15 also has mounting holes that cooperate with the first ejector pins 70.

[0048] In summary, the double ejection structure for products with large clamping force based on the embodiment of the present application is explained, which provides the double ejection structure for products with large clamping force with advantages such as easy demolding of products with large clamping force, double ejection method, and the mold cavity structure being able to rotate a predetermined angle during the ejection process.

[0049] It's worth noting that the dual ejector structure for high-clamping-force products described in the embodiments of this application is simple, does not involve complex manufacturing processes, and does not require expensive materials, resulting in high economic efficiency. Furthermore, for manufacturers, the dual ejector structure for high-clamping-force products provided in this application is easy to produce and inexpensive, which helps control production costs and further promotes product promotion and use.

[0050] Those skilled in the art will appreciate that the embodiments of the present invention described above and shown in the accompanying drawings are intended to be illustrative only and are not intended to limit the present invention. The objectives of the present invention have been fully and effectively achieved. The functional and structural principles of the present invention have been demonstrated and illustrated in the embodiments. Any variations or modifications may be made to the embodiments of the present invention without departing from these principles.

Claims

1. A double ejection structure for products with large clamping force, comprising an upper mold assembly and a lower mold assembly, wherein the upper mold assembly and the lower mold assembly are arranged opposite to each other and separated by a predetermined distance, characterized in that: The double ejection structure for products with large clamping force includes: Two matching plates arranged opposite to each other, the two matching plates being fixed between the upper mold assembly and the lower mold assembly, and a first assembly cavity being formed between the two matching plates, the upper mold assembly and the lower mold assembly; 7. The swiftly and minutely adjusting device for a wood-planer working table as claimed in claim 1, wherein said linking rod and said adjusting base are pivotally connected to each other with a bolt, and said bolt has a round shank to contact with said linking rod. said linking rod has a first end in said sliding panel and a second end in said sliding panel. a first top plate assembly, each side of the first top plate assembly having two first rolling wheels arranged opposite to each other, and a plurality of the first rolling wheels being arranged in corresponding first chute or second chute; and A second top plate assembly, the first top plate assembly and the second top plate assembly are both liftably arranged in the first assembly cavity, and the first top plate assembly is located on the upper side of the second top plate assembly and is spaced a predetermined distance apart. In addition, both sides of the first top plate assembly and both sides of the second top plate assembly cooperate with the sides of the two movable plates that are close to each other, and both sides of the second top plate assembly have two oppositely arranged second rolling wheels, and multiple second rolling wheels are arranged in the corresponding recesses of the third slide groove and close to the top of the recess.

2. The double ejection structure for products with large clamping force according to claim 1, wherein the lower mold assembly includes a fixed plate, a first movable plate and a second movable plate, the fixed plate is fixedly connected to the ends of the two mating plates, the first movable plate is movably arranged on a side of the fixed plate away from the mating plate, and the second movable plate is movably arranged on a side of the first movable plate away from the fixed plate.

3. The double ejection structure for products with large clamping force according to claim 2, wherein the lower mold assembly further comprises a plurality of linkage assemblies, one end of each of the plurality of linkage assemblies being arranged on the second movable plate, and the other end of each of the plurality of linkage assemblies being arranged on the second movable plate, so as to limit the movement sequence of the first movable plate and the second movable plate through the linkage assemblies.

4. The double ejection structure for products with large clamping force according to claim 3, wherein each of the linkage components includes a movable card plate and two positioning components, the movable card plate has a guide slot, the two positioning components are respectively fixed to the first movable plate and the second movable plate, and the two positioning components are also arranged at the guide slot, wherein the linkage component cooperating with the second movable plate rests on the side wall forming the guide slot.

5. The double ejection structure for products with large clamping force according to claim 2, wherein the double ejection structure for products with large clamping force further comprises a first movable column and a second movable column, one end of the first movable column is arranged on a side of the upper mold assembly away from the lower mold assembly, and the other end is fixed to the first movable plate, and is configured to move synchronously with the first movable plate, and one end of the second movable column is arranged on a side of the upper mold assembly away from the lower mold assembly, and the other end is fixed to the second movable plate, and is configured to move synchronously with the second movable plate.

6. The double ejection structure for a product with a large clamping force according to claim 5, wherein the first movable column is a hollow tube, and the second movable column is movably disposed inside the second movable column.

7. The dual ejection structure for high-clamping-force products according to claim 6, wherein the upper mold assembly includes a second connecting plate, the second connecting plate having a second assembly cavity in its center, and the side walls forming the second assembly cavity further having a plurality of first mounting slots and a plurality of second mounting slots, the plurality of first mounting slots and the plurality of second mounting slots being alternately arranged, and the plurality of first mounting slots and the plurality of second mounting slots are arranged in a circular array.

8. The double ejection structure for products with large clamping force according to claim 7, wherein the upper mold assembly further comprises a plurality of spiral guide blocks and a plurality of limit blocks, the plurality of spiral guide blocks are respectively arranged at the plurality of first mounting grooves, and the plurality of limit blocks are respectively arranged at the plurality of second mounting grooves, the plurality of spiral guide blocks each have a guide portion on a side close to each other, and the plurality of limit blocks each have a limit portion on a side close to each other, wherein the upper mold assembly further comprises an annular movable mold, the outer wall of the annular movable mold having a plurality of guide bevels and a plurality of limit grooves, the plurality of guide bevels cooperate with the plurality of guide portions, and the plurality of limit portions cooperate with the plurality of limit grooves.

9. The dual ejection structure for high-clamping-force products according to claim 8, wherein the upper mold assembly further comprises a fixed mold, the bottom of which is fixed to the bottom of the second mating cavity, and the annular movable mold is sleeved on the top of the fixed mold, and a plurality of evenly distributed modules are fixed to the inner wall of the annular movable mold.

10. The double ejection structure for products with large clamping force according to claim 9, wherein the double ejection structure for products with large clamping force further comprises a plurality of first ejector rods, and the bottom ends of the plurality of first ejector rods are fixed to the second ejector plate assembly, and the other ends all pass through the bottom of the fixed mold and abut against the bottom of the annular movable mold, and the double ejection structure for products with large clamping force further comprises a second ejector rod, one end of the second ejector rod is fixed to the second ejector plate assembly, and the other end passes through the fixed mold and is located at the bottom of the product.

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