Mold and injection molding machine

Abstract

The present invention relates to a mold, comprising a first mold body, a second mold body, a first ejector pin, a second ejector pin, and a drive module, wherein the first mold body is provided with a first cavity; the second mold body is provided with a second cavity, a first guide hole, and a second guide hole, wherein the distance between the first guide hole and the second guide hole decreases from one end of the first guide hole to the other end of the first guide hole; a first ejector pin provided with a first filling portion is slidably provided in the first guide hole; a second ejector pin provided with a second filling portion is slidably provided in the second guide hole; the first ejector pin and the second ejector pin are both connected to the drive module, and when the drive module drives the first ejector pin and the second ejector pin to move toward the first mold body, the finished product in the product cavity can be lifted up, and the first filling portion and the second filling portion are gradually separated from the finished product. The present invention only requires the first ejector pin and the second ejector pin to move toward the first mold body to lift up the finished product and separate the first ejector pin and the second ejector pin from the finished product, thereby realizing the demolding operation.

Description

Technical Field

[0001] The embodiments of the present invention relate to the field of mold technology, and in particular to a mold and an injection molding machine. Background Art

[0002] Most plastic parts on the market are typically manufactured using molds. The mold consists of a first mold body, a second mold body, and an ejector pin. The first and second mold bodies together form the product cavity. The ejector pin is used to lift the plastic part after the first and second mold bodies separate, thereby separating the plastic part from the mold. When a groove is required on the sidewall of a plastic part, the mold needs to be equipped with a filler with the same shape as the groove. Before the plastic part is released from the mold, the filler is completely removed from the groove, and then the ejector pin is used to lift the plastic part to separate the plastic part from the mold, completing the demolding process.

[0003] During the implementation of the embodiments of the present invention, the inventors found that: using the above method, at least two driving mechanisms need to be set in the mold, one driving mechanism is used to drive the filling piece to leave the groove, and the other driving mechanism is used to drive the ejector rod to lift the plastic piece, which makes the structure of the mold complicated. Summary of the Invention

[0004] The main technical problem solved by the embodiments of the present invention is to provide a mold and an injection molding machine, which can overcome the above problems or at least partially solve the above problems.

[0005] In order to solve the above technical problems, a technical solution adopted in an embodiment of the present invention is: providing a mold, including a first mold body, a second mold body, a first ejector pin, a second ejector pin and a driving module, wherein the first mold body is provided with a first cavity; the second mold body is provided with a second cavity, a first guide hole and a second guide hole, when the first mold body and the second mold body are clamped, the first cavity and the second cavity jointly form a product cavity, one end of the first guide hole is connected to the second cavity, and one end of the second guide hole is connected to the second cavity, and the distance between the first guide hole and the second guide hole becomes smaller and smaller along the direction from one end of the first guide hole to the other end of the first guide hole; the first ejector pin slides The first push rod is passed through the first guide hole, and one end of the first push rod is provided with a first filling part, and the first filling part is accommodated in the product cavity; the second push rod is slidably passed through the second guide hole, and one end of the second push rod is provided with a second filling part, and the second filling part is accommodated in the product cavity; the other end of the first push rod and the other end of the second push rod are both connected to the driving module, and when the driving module drives the first push rod and the second push rod to move toward the direction close to the first mold body, the first push rod and the second push rod jointly lift the finished product in the product cavity, and the distance between the first filling part and the second filling part gradually increases, and the first filling part and the second filling part gradually separate from the finished product.

[0006] Optionally, the driving module includes a driving plate, a first driving rod and a second driving rod, one end of the first driving rod is fixed to the driving plate, the other end of the first driving rod is slidingly connected to one end of the first push rod, one end of the second driving rod is fixed to the driving plate, and the other end of the second driving rod is slidingly connected to the other end of the second push rod.

[0007] Optionally, a first slide groove is provided at the other end of the first driving rod, a first clamping platform is provided on the side wall of the first slide groove, a second slide groove is provided at the other end of the first push rod, a second clamping platform is provided on the side wall of the second slide groove, the first clamping platform is inserted into the second slide groove, the second clamping platform is inserted into the first slide groove, and the first push rod can slide along the first slide groove relative to the first driving rod, so that when the first driving rod drives the first push rod to slide along the first guide hole, there will be no interference between the first push rod and the inner wall of the first guide hole.

[0008] Optionally, a third sliding groove is provided at the other end of the second driving rod, and a first clamping portion is provided at the other end of the second push rod. The first clamping portion is inserted into the third sliding groove, and the first clamping portion can slide along the third sliding groove, so that when the second driving rod drives the second push rod to slide along the second guide hole, there will be no interference between the first clamping portion and the inner wall of the second guide hole.

[0009] Optionally, the mold further includes a base, the driving module further includes a first guide rod, the second mold body is arranged on the base, the first guide rod is fixed to the base, the driving plate is provided with a third guide hole, and the first guide rod is inserted into the third guide hole.

[0010] Optionally, the driving module further includes a guide block, which is installed in the third guide hole and sleeved on the first guide rod.

[0011] Optionally, the drive plate is provided with a plurality of third guide holes, and the plurality of third guide holes are distributed in a rectangular shape on the drive plate. The number of the first guide rods and guide blocks is multiple, one guide block is installed in one third guide hole, and one guide block is sleeved on one first guide rod.

[0012] Optionally, a first driving hole is provided at one end of the base facing away from the second mold body, and the driving plate is located at one end of the first driving hole facing the second mold body, and the first driving hole is used for other devices to pass through so that other devices can push the driving plate to move along the first guide rod.

[0013] Optionally, the mold further includes a filling assembly and a driving rod, the filling assembly is slidably arranged on the base, the filling assembly is provided with a second driving hole, one end of the driving rod is fixed to the first mold body, and the other end of the driving rod is inserted into the second driving hole, the filling assembly is used to form the cavity of the finished product, and the second driving hole is arranged at an angle so that when the first mold body and the second mold body are separated, the filling assembly and the cavity of the finished product are separated under the joint action of the driving rod and the second driving hole.

[0014] In order to solve the above technical problems, another technical solution adopted in an embodiment of the present invention is: providing an injection molding machine, including the above mold.

[0015] The beneficial effect of the embodiment of the present invention is: different from the prior art, the embodiment of the present invention provides a first guide hole and a second guide hole in the second mold body, one end of the first guide hole is connected to the second cavity, and one end of the second guide hole is connected to the second cavity, the first guide hole and the second guide hole are respectively located on both sides of the second cavity, and the distance between the first guide hole and the second guide hole becomes smaller and smaller along the direction from one end of the first guide hole to the other end of the first guide hole, the first ejector rod is slid through the first guide hole, and the first filling part of the first ejector rod is accommodated in the product cavity, the second ejector rod is slid through the second guide hole, and the second filling part of the second ejector rod is accommodated in the product cavity, so that grooves are formed on both sides of the finished product, and when the first ejector rod and the second ejector rod are driven by the driving module to move in the direction close to the second mold body, the first ejector rod and the second ejector rod jointly lift the finished product, and the first filling part and the second filling part are separated from the finished product, therefore, there is no need to set up independent driving mechanisms to drive the filling piece and the ejector rod to move respectively to complete the demolding operation of the finished product, which is conducive to simplifying the structure of the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following briefly describes the drawings required for describing the specific embodiments or the prior art. Similar elements or parts are generally identified by similar reference numerals throughout the drawings. Elements or parts in the drawings are not necessarily drawn to scale.

[0017] Figure 1 is a schematic structural diagram of a finished product produced using an embodiment of the present invention;

[0018] Figure 2 is a schematic diagram of a first explosion state of an embodiment of the present invention;

[0019] Figure 3 is a schematic diagram of a second explosion state of an embodiment of the present invention;

[0020] Figure 4is a schematic structural diagram of a base in an embodiment of the present invention;

[0021] Figure 5 is a schematic structural diagram of a first phantom according to an embodiment of the present invention;

[0022] Figure 6 is a schematic structural diagram of a second phantom in an embodiment of the present invention;

[0023] Figure 7 1 is a schematic structural diagram of a driving module, a first push rod and a second push rod in an embodiment of the present invention;

[0024] Figure 8 yes Figure 7 Enlarged view of the area shown in middle E;

[0025] Figure 9 Schematic diagram of the installation structure between the drive plate, the first guide rod and the guide block in an embodiment of the present invention;

[0026] Figure 10 is a schematic diagram of a partial structure of the first ejector pin and the second ejector pin in an embodiment of the present invention when there is no cavity forming module, when they are separated from the finished product;

[0027] Figure 11 yes Figure 10 Enlarged view of the area shown in part A;

[0028] Figure 12 is a partial structural schematic diagram of a third explosion state of an embodiment of the present invention;

[0029] Figure 13 Schematic diagram of the explosion state of the cavity forming module in an embodiment of the present invention;

[0030] Figure 14 is a schematic diagram of a partial structure of an embodiment of the present invention when the driving block is in a first preset position;

[0031] Figure 15 is a schematic diagram of a partial structure of an embodiment of the present invention when the driving block is in a second preset position;

[0032] Figure 16 yes Figure 15 Enlarged view of the area shown in part B;

[0033] Figure 17 is a schematic diagram of a partial structure of an embodiment of the present invention when the driving block is in a third preset position;

[0034] Figure 18 yes Figure 17 Enlarged view of the area shown in middle C;

[0035] Figure 19is a schematic structural diagram of a filling module in an embodiment of the present invention;

[0036] Figure 20 is a schematic structural diagram of a drive block and a transmission assembly in an embodiment of the present invention;

[0037] Figure 21 This is a schematic diagram of the partial structure of the first ejector pin and the second ejector pin in an embodiment of the present invention when a cavity forming module is provided, when they are separated from the finished product;

[0038] Figure 22 yes Figure 21 Magnified view of the area shown in part D. DETAILED DESCRIPTION

[0039] For ease of understanding of the present invention, the present invention will be described in more detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that when an element is described as being "fixed on" another element, it can be directly on the other element or there can be one or more centered elements therebetween. When an element is described as being "connected" to another element, it can be directly connected to the other element or there can be one or more centered elements therebetween. The orientation or positional relationship indicated by the terms "upper", "lower", "inside", "outside", "vertical", "horizontal", etc. used in this specification is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0040] Unless otherwise defined, all technical and scientific terms used in this specification have the same meanings as those commonly understood by those skilled in the art to which this invention pertains. The terms used in this specification are intended only to describe specific embodiments and are not intended to limit the invention. The term "and / or" as used in this specification includes any and all combinations of one or more of the associated listed items.

[0041] In addition, the technical features involved in different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0042] Figure 1 The structure of a finished product 200 produced using the mold 100 of the present invention is schematically shown. The finished product 200 may be made of plastic, silicone, or the like. The finished product 200 includes a first groove 201 and a second groove 202, which are respectively disposed on two opposite side walls of the finished product 200.

[0043] See also Figure 2 and Figure 3 The mold 100 includes: a base 1, a first mold body 2, a second mold body 3, a first ejector pin 4, a second ejector pin 5, and a driving module 6. The second mold body 3 is disposed at one end of the base 1 facing the first mold body 2, the driving module 6 is disposed on the base 1, the first ejector pin 4 and the second ejector pin 5 are both connected to the driving module 6, and the first ejector pin 4 and the second ejector pin 5 are both slidably disposed through the second mold body 3.

[0044] For base 1 above, see Figure 2 、 Figure 3 and Figure 4 The base 1 is provided with a first driving hole 11, a receiving slot 12, a first through slot 13, and a second through slot 14. The receiving slot 12 is used to accommodate the driving module 6, and the driving module 6 can move within the receiving slot 12. One end of the first through slot 13 and one end of the second through slot 14 are both connected to the side wall of the receiving slot 12 facing the second mold body 3. The first push rod 4 is connected to the driving module 6 after passing through the first through slot 13, and the second push rod 5 is connected to the driving module 6 after passing through the second through slot 14. In the process of the driving module 6 driving the first push rod 4 and the second push rod 5 to move, the first push rod 4 will not interfere with the first through slot 13, and the second push rod 5 will not interfere with the second through slot 14. The first driving hole 11 is connected to the side wall of the receiving slot 12 facing away from the second mold body 3. The first driving hole 11 is used to allow other equipment (not shown) to pass through, so that other equipment can push the driving module 6 toward the second mold body 3, thereby driving the first push rod 4 and the second push rod 5 to move toward the first mold body 2.

[0045] It is understandable that the other device can be a cylinder, a hydraulic cylinder or a drive motor, and the cylinder, hydraulic cylinder or drive motor has an output shaft, which can pass through the first drive hole 11 and push the drive module 6 accommodated in the receiving groove 12 toward the second mold body 3.

[0046] For the first mold body 2 and the second mold body 3 mentioned above, please refer to Figure 2 、 Figure 3 、 Figure 5 and Figure 6, the first mold body 2 is provided with a first cavity 21, and the second mold body 3 is provided with a second cavity 31, a first guide hole 32 and a second guide hole 33. When the first mold body 2 and the second mold body 3 are closed, the first cavity 21 and the second cavity 31 together form a product cavity 9. One end of the first guide hole 32 is connected to the second cavity 31, and the other end of the first guide hole 32 is connected to the other end of the first through groove 13. One end of the second guide hole 33 is connected to the second cavity 31, and the other end of the second guide hole 33 is connected to the other end of the second through groove 14. The first push rod 4 is slidably provided in the first guide hole 32, and the second push rod 5 is slidably provided in the second guide hole 33, and the distance between the first guide hole 32 and the second guide hole 33 becomes smaller and smaller along the direction from one end of the first guide hole 32 to the other end of the first guide hole 32.

[0047] For the first push rod 4 mentioned above, please refer to Figure 1 、 Figure 2 、 Figure 7 and Figure 8 A first filling portion 41 is provided at one end of the first ejector rod 4, a second slide groove 42 is provided at the other end of the first fixed rod, and a second clamping platform 421 is provided on the sidewall of the second slide groove 42. When the driving module 6 is in contact with the sidewall of the receiving groove 12 away from the second mold body 3, the first filling portion 41 is received in the product cavity 9 and is used to form the first groove 201 of the finished product 200.

[0048] For the second push rod 5 mentioned above, please refer to Figure 1 、 Figure 2 、 Figure 7 and Figure 8 A second filling portion 51 is provided at one end of the second ejector pin 5, and a first engaging portion 52 is provided at the other end of the second ejector pin 5. When the driving module 6 is in contact with the sidewall of the receiving groove 12 facing away from the second mold body 3, the second filling portion 51 is received in the product cavity 9 and is used to form the second groove 202 of the finished product 200.

[0049] For the above mentioned driver module 6, please refer to Figures 1 to 8The driving module 6 includes a driving plate 61, a first driving rod 62, and a second driving rod 63. The driving plate 61 is received in the receiving slot 12, one end of the first driving rod 62 is fixed to the driving plate 61, and the other end of the first driving rod 62 is provided with a first slide groove 621, and the side wall of the first slide groove 621 is provided with a first clamping platform 6211. The first clamping platform 6211 is inserted into the second slide groove 42, and the second clamping platform 421 is inserted into the first slide groove 621, and the first push rod 4 can slide along the first slide groove 621 relative to the first driving rod 62, so that when the driving plate 61 moves toward the direction close to the second mold body 3, the first driving rod 62 drives the first push rod 4 to slide along the first guide hole 32, and there is no interference between the first push rod 4 and the inner wall of the first guide hole 32. One end of the second driving rod 63 is fixed to the driving plate 61, and the other end of the second driving rod 63 is provided with a third sliding groove 631, the first clamping portion 52 is inserted into the third sliding groove 631, and the first clamping portion 52 can slide along the third sliding groove 631, so that when the driving plate 61 moves in the direction close to the second mold body 3, the second driving rod 63 drives the second push rod 5 to slide along the second guide hole 33, and there is no interference between the second driving rod 63 and the inner wall of the second guide hole 33. When the driving plate 61 is in a position abutting the side wall of the receiving groove 12 away from the second mold body 3, the driving plate 61 covers the first driving hole 11, so that the output shaft of the other device can pass through the first driving hole 11 and push the driving plate 61 to move in the direction close to the second mold body 3. Figure 10 and Figure 11 As shown, since the distance between the first guide hole 32 and the second guide hole 33 becomes smaller and smaller from one end of the first guide hole 32 to the other end of the first guide hole 32, when the driving plate 61 moves toward the second mold body 3, the first driving rod 62 pushes the first push rod 4 to move along the first guide hole 32 in the direction away from the second cavity 31, and the second driving rod 63 pushes the second push rod 5 to move along the second guide hole 33 in the direction away from the second cavity 31, and the distance between the first filling part 41 and the second filling part 51 gradually increases, so that under the joint action of the first filling part 41 of the first driving rod 62 and the second filling part 51 of the second driving rod 63, the finished product 200 leaves the second cavity 31, and the first filling piece 751 gradually disengages from the first groove 201 of the finished product 200, and the second filling piece 752 gradually disengages from the second groove 202 of the finished product 200, thereby completing the demolding operation of the finished product 200.

[0050] It is worth noting that when the first driving rod 62 pushes the first push rod 4 to move along the first guide hole 32, the first push rod 4 slides relative to the first driving rod 62 along the first sliding groove 621 to avoid interference between the first push rod 4 and the inner wall of the first guide hole 32. When the second driving rod 63 pushes the second push rod 5 to move along the second guide hole 33, the second push rod 5 slides relative to the second driving rod 63 along the third sliding groove 631 to avoid interference between the second push rod 5 and the inner wall of the second guide hole 33.

[0051] In some embodiments, see Figure 8 The shape of the third slide groove 631 is "convex", and the shape of the first clamping portion 52 is an inverted "T" shape, so that when the first clamping portion 52 is inserted into the third slide groove 631, the first clamping portion 52 can slide along the third slide groove 631.

[0052] In some embodiments, see Figure 7 and Figure 9 , the driving module 6 also includes a first guide rod 64 and a guide block 65, and the driving plate 61 is provided with a third guide hole 611. The first guide rod 64 is fixed to the base 1, and the first guide rod 64 passes through the receiving groove 12, and the guide block 65 is installed in the third guide hole 611. The guide block 65 is sleeved on the first guide rod 64, and the guide block 65 can slide along the first guide rod 64. The movement direction of the driving plate 61 is limited by the first guide rod 64, so that the driving plate 61 can only move along the first guide rod 64, thereby limiting the driving plate 61 to move only in the direction of approaching or away from the second mold body 3, which is beneficial to reducing the risk of interference between the first push rod 4 and the inner wall of the first guide hole 32 or between the second push rod 5 and the inner wall of the second guide hole 33 during the movement of the first driving rod 62 and the second driving rod 63.

[0053] In some embodiments, see Figure 7 and Figure 9 The driving plate 61 is provided with a plurality of third guide holes 611, and the plurality of third guide holes 611 are distributed in a rectangular shape on the driving plate 61. The number of the first guide rods 64 and the guide blocks 65 is multiple, and one guide block 65 is installed in one of the third guide holes 611, and one guide block 65 is sleeved on one of the first guide rods 64. One guide block 65 can slide along one of the first guide rods 64 to limit the movement direction of the driving plate 61.

[0054] In some embodiments, see Figure 9The driving plate 61 is composed of a first plate 612 and a second plate 613 , wherein the first plate 612 and the second plate 613 are fixed to each other, and both the first plate 612 and the second plate 613 are provided with through holes to form the third guide hole 611 .

[0055] In the embodiment of the present invention, a first guide hole 32 and a second guide hole 33 are provided in the second mold body 3, one end of the first guide hole 32 is connected to the second cavity 31, and one end of the second guide hole 33 is connected to the second cavity 31. The first guide hole 32 and the second guide hole 33 are respectively located on both sides of the second cavity 31, and the distance between the first guide hole 32 and the second guide hole 33 becomes smaller and smaller along the direction from one end of the first guide hole 32 to the other end of the first guide hole 32. The first push rod 4 is slidably inserted into the first guide hole 32, and the first push rod 4 is The first filling portion 41 is accommodated in the product cavity 9, and the second ejector rod 5 is slidably passed through the second guide hole 33. The second filling portion 51 of the second ejector rod 5 is accommodated in the product cavity 9, thereby forming grooves on both sides of the finished product 200. When the first ejector rod 4 and the second ejector rod 5 are driven by the driving module 6 to move toward the direction close to the second mold body 3, the first ejector rod 4 and the second ejector rod 5 jointly lift the finished product 200, and the first filling portion 41 and the second filling portion 51 are separated from the finished product 200, thereby completing the demolding operation of the finished product 200, which is conducive to simplifying the structure of the mold 100.

[0056] In some embodiments, see Figure 1 、 Figure 2 and Figure 3 , the finished product 200 is also provided with a cavity 203, and the area of ​​the bottom of the cavity 203 is larger than the area of ​​the cavity opening of the cavity 203. When the mold 100 is used to form the finished product 200 provided with the cavity 203, the mold 100 further includes a cavity forming module 7 and a driving rod 8, and the base 1 is further provided with a fourth slide 15, a first receiving groove 16 and a second through hole 17. The first receiving groove 16 is provided on the side wall of the fourth slide 15, and one end of the second through hole 17 is connected to the bottom of the first receiving groove 16. The fourth slide 15 is connected to the second cavity 31, and the cavity forming module 7 is slidably provided in the fourth slide 15. The cavity forming module 7 is used to form the cavity 203 of the finished product 200. One end of the driving rod 8 is fixed to the first mold body 2, and the other end of the driving rod 8 is connected to the cavity forming module 7. The driving rod 8 is used to drive the cavity forming module 7 to move along the fourth slide 15.

[0057] For the cavity forming module 7, please refer to Figure 2 、 Figure 12 and Figure 13The cavity forming module 7 includes a transmission assembly 71, a limit assembly 72, a driving block 73, a guide assembly 74, and a filling assembly 75. The driving block 73 and the guide assembly 74 are both slidably disposed in the fourth chute 15. The transmission assembly 71 is connected to the guide assembly 74 and the driving block 73, respectively, so that the driving block 73 can drive the guide assembly 74 to move through the transmission assembly 71. The filling assembly 75 includes a first filling piece 751 and a second filling piece 752, one end of the first filling piece 751 is fixed to the driving block 73, one end of the second filling piece 752 is slidably set on the guide assembly 74, and the sliding direction of the second filling piece 752 in the guide assembly 74 is perpendicular to the sliding direction of the guide assembly 74 in the fourth slide groove 15, and the second filling piece 752 also slides with the first filling piece 751, so that when the driving block 73 drives the first filling piece 751 to move in the first direction, the first filling piece 751 drives the second filling piece 752 to move in the second direction, wherein the first direction is the direction away from the product chamber 9, and the second direction is perpendicular to the first direction. The limiting assembly 72 is set in the first accommodating groove 16. When the driving block 73 is in the first preset position, as Figure 13 and 14 As shown, the other end of the first filling piece 751 and the other end of the second filling piece 752 are both inserted into the product cavity 9 to form the cavity 203 of the finished product 200. The limiting assembly 72 partially extends into the fourth slide groove 15, and the limiting assembly 72 abuts against the guide assembly 74 to limit the movement of the guide assembly 74 along the first direction; when the driving block 73 moves from the first preset position along the first direction to the second preset position, the first filling piece 751 moves along the first direction, and under the joint action of the first guide structure 7511, the second guide structure 7521, the limiting assembly 72 and the guide assembly 74, the second filling piece 752 moves along the second direction to the position where the cavity opening of the cavity 203 allows the other end of the second filling piece 752 to pass through, and when the driving block 73 moves to the second preset position, as shown Figure 15 and Figure 16 As shown, the driving block 73 pushes the limiting assembly 72 to move in a direction away from the fourth sliding groove 15 to release the limiting of the guide assembly 74 in the first direction; when the driving block 73 moves from the second preset position to the third preset position along the first direction, under the action of the transmission assembly 71, the guide assembly 74 drives the second filling piece 752 to move in the first direction to a position separated from the product chamber 9. At this time, Figure 17 and Figure 18As shown, the first filling piece 751 and the second filling piece 752 are completely separated from the cavity 203 of the finished product 200. The driving block 73 moves from the first preset position to the second preset position, driving the first filling piece 751 to move in the first direction. At the same time, the first filling piece 751 drives the second filling piece 752 to move in the second direction. The driving block 73 then moves from the second preset position to the third preset position, thereby completely separating the first filling piece 751 and the second filling piece 752 from the product cavity 9.

[0058] For the first filling piece 751 and the second filling piece 752, please refer to Figure 14 、 Figure 15 、 Figure 16 and Figure 19 The first filling piece 751 is provided with a first guide structure 7511, and the second filling piece 752 is provided with a second guide structure 7521. The first guide structure 7511 and the second guide structure 7521 are slidably matched, and the extension direction of the first guide structure 7511 is not parallel to the first direction, so that under the premise that the driving block 73 is in a position between the first preset position and the second preset position, when the first filling piece 751 moves along the first direction, under the joint action of the first guide structure 7511, the second guide structure 7521 and the guide assembly 74, the second filling piece 752 moves along the second direction, so that the other end of the second filling piece 752 moves to the position where the cavity opening of the cavity 203 of the finished product 200 allows the other end of the second filling piece 752 to pass through.

[0059] In some embodiments, see Figure 19 The first guide structure 7511 is a fifth slide groove 7512, and the extension direction of the fifth slide groove 7512 is not parallel to the first direction. The second guide structure 7521 is a slide rail 7523, and the slide rail 7523 is slidably disposed in the fifth slide groove 7512. It is understandable that the first guide structure 7511 can also be a slide rail, and the second guide structure 7521 is the fifth slide groove, and the slide rail and the fifth slide groove are slidably engaged.

[0060] For the above-mentioned drive block 73, please refer to Figures 12 to 20The driving block 73 is provided with a first through hole 731, a second clamping portion 732, a second receiving groove 733 and a second driving hole 734. The other end of the driving rod 8 is inserted into the second driving hole 734, and when the first mold body 2 moves in a direction away from the second mold body 3, under the joint action of the driving rod 8 and the second driving hole 734, the driving block 73 moves along the first direction. The first through hole 731 is provided on the surface of the driving block 73 facing the guide assembly 74, and the second receiving groove 733 is provided on the surface of the driving block 73 away from the guide assembly 74. The first through hole 731 is connected to the bottom of the second receiving groove 733. The transmission assembly 71 passes through the second receiving groove 733 and the first through hole 731 in sequence and is fixed to the guide assembly 74. The second clamping portion 732 is arranged on the side wall of the driving block 73 facing the first accommodating groove 16. When the driving rod 8 drives the driving block 73 to move to the second preset position, the second clamping portion 732 pushes the limiting assembly 72 to move along the first accommodating groove 16 in the direction away from the driving block 73 until the limiting assembly 72 releases the limiting of the guide assembly 74, and at this time the transmission assembly 71 abuts against the bottom of the second accommodating groove 733; when the driving rod 8 drives the driving block 73 to move from the second preset position to the third preset position, under the action of the transmission assembly 71, the driving block 73 drives the guide assembly 74 and the second filling piece 752 to move along the first direction to the position where the second filling piece 752 is completely separated from the product cavity 9, thereby achieving the purpose of extracting the first filling piece 751 and the second filling piece 752 from the cavity 203 of the finished product 200. By providing the driving rod 8 and the second driving hole 734 , when the first mold body 2 and the second mold body 3 are separated, the driving rod 8 can drive the driving block 73 to move along the first direction without the need for an additional cylinder to drive the driving block 73 to move, which is beneficial to energy saving.

[0061] For the transmission assembly 71, see Figure 13 The transmission assembly 71 includes a first screw rod 711 , one end of the first screw rod 711 is provided with an external thread (not numbered), and the other end of the first screw rod 711 is provided with a cap-shaped portion 7111 .

[0062] For the guide assembly 74 mentioned above, see Figure 2 、 Figure 12 and Figure 13The guide assembly 74 is provided with a first screw groove 741, a third through groove 742, and a guide groove 743. The third through groove 742 penetrates the guide assembly 74 in the first direction to allow the first filler 751 to pass through the third through groove 742 and then be partially received in the product chamber 9. The guide groove 743 is connected to the first side wall of the third through groove 742, and the first side wall is perpendicular to the second direction. The guide portion 7522 of the second filler 752 is slidably disposed in the guide groove 743, so that the second filler 752 can only move along the guide groove 743 relative to the guide assembly 74, that is, the second filler 752 can only move along the second direction relative to the guide assembly 74. The first screw groove 741 is arranged at one end of the guide assembly 74 facing the driving block 73, and one end of the first screw rod 711 passes through the second accommodating groove 733 and the first through hole 731 in sequence and is screwed to the first screw groove 741. The cap-shaped portion 7111 of the first screw rod 711 is accommodated in the second accommodating groove 733, and when the driving block 73 moves to the second preset position, the cap-shaped portion 7111 abuts against the bottom of the second accommodating groove 733, so that when the driving block 73 moves from the second preset position to the third preset position, the driving block 73 can drive the guide assembly 74 and the second filling piece 752 to move along the first direction through the first screw rod 711.

[0063] For the above-mentioned limiter assembly 72, please refer to Figures 12 to 20The limiting assembly 72 includes a first elastic member 721, a clamping member 722, and a cover plate 723. The cover plate 723 covers the other end of the second through hole 17, the first elastic member 721 is received in the second through hole 17, and the clamping member 722 is disposed in the first receiving groove 16. One end of the first elastic member 721 abuts against the cover plate 723, and the other end of the first elastic member 721 is received in the first receiving groove 16. The other end of the first elastic member 721 abuts against one end of the clamping member 722, and the other end of the clamping member 722 is provided with a clamping groove 7221. When the driving block 73 is in a position between the first preset position and the second preset position, the second clamping portion 732 of the driving block 73 is accommodated in the clamping groove 7221. Under the action of the first elastic member 721, the second clamping portion 732 remains in contact with the bottom of the clamping groove 7221, and the clamping member 722 partially protrudes from the first accommodating groove 16. The portion of the clamping member 722 protruding from the first accommodating groove 16 abuts against one end of the guide assembly 74 toward the driving block 73, thereby preventing the guide assembly 74 from moving along the first direction. At the same time, under the joint action of the first guide structure 7511 of the first filling member 751 and the second guide structure 7521 of the second filling member 752, the The second filling piece 752 moves along the second direction; when the driving block 73 moves to the second preset position, the clamping portion leaves the clamping slot 7221 and abuts against the end face of the other end of the clamping portion 722, and the clamping portion 722 moves toward the direction of the first accommodating groove 16 to release the abutment between the clamping portion 722 and the guide assembly 74, and at this time, the cap-shaped portion 7111 of the first screw 711 abuts against the bottom of the second accommodating groove 733; when the driving block 73 moves from the second preset position to the third preset position, the first screw 711 drives the guide assembly 74 and the second filling piece 752 to move along the first direction, so that the second filling piece 752 completely leaves the product cavity 9. By setting a limit assembly 72, when the driving block 73 moves from the first preset position to the second preset position, the limit assembly 72 prevents the guide assembly 74 from moving along the first direction, thereby preventing the second filling piece 752 from moving along the first direction. At the same time, the first filling piece 751 drives the second filling piece 752 to move along the second direction; when the driving block 73 moves from the second preset position to the third preset position, the abutment between the limit assembly 72 and the guide assembly 74 is released, and the first screw 711 drives the guide assembly 74 and the second filling piece 752 to move along the first direction, thereby achieving the purpose of the second driving block 73 moving first along the second direction and then along the first direction, thereby avoiding interference between the second filling piece 752 and the finished product 200 in the product cavity 9.

[0064] In some embodiments, see Figure 12 The latching slot 7221 is tilted away from the side wall of the guide assembly 74 so that when the driving block 73 moves from the first preset position to the second preset position, the second latching portion 732 slides along the latching slot 7221 away from the side wall of the guide assembly 74 and then abuts against the end surface of the other end of the clamping member 722. At the same time, the clamping member 722 moves toward the first accommodating groove 16, thereby releasing the abutment between the clamping member 722 and the guide assembly 74.

[0065] In some embodiments, the number of the limiting assembly 72, the first receiving groove 16 and the second clamping portion 732 are all two. The two first receiving grooves 16 are respectively connected to the two opposite side walls of the fourth sliding groove 15, and the two first receiving grooves 16 are opposite to each other. The two second clamping portions 732 are respectively arranged on both sides of the driving block 73, and one of the limiting components 72 is arranged in the first accommodating groove 16. When the driving block 73 is in the first preset position, the two limiting components 72 both protrude from the fourth sliding groove 15, and the parts of the two limiting components 72 protruding from the fourth sliding groove 15 both abut against the guide component 74, thereby limiting the guide component 74 from moving along the first direction. When the driving block 73 is in the second preset position, one of the second clamping portions 732 pushes one of the limiting components 72 toward one of the first accommodating grooves 16, and another of the second clamping portions 732 pushes another of the limiting components 72 toward another of the first accommodating grooves 16, so that the two limiting components 72 are released from abutment with the guide component 74, thereby allowing the guide component 74 to move along the first direction.

[0066] In some embodiments, see Figure 12 and Figure 13 The cavity forming module 7 further includes a second guide rod 76 and a second elastic member 77. The second elastic member 77 is sleeved on the second guide rod 76. One end of the second guide rod 76 is fixed to the end of the guide assembly 74 facing the driving block 73. The driving block 73 is further provided with a fourth guide hole 735. The fourth guide hole 735 passes through the driving block 73 in the first direction. The other end of the second guide rod 76 is inserted into the fourth guide hole 735. The second elastic member 77 is located between the guide assembly 74 and the driving block 73. The third elastic member is used to push the guide assembly 74 in a direction away from the first direction when the driving block 73 moves from the second preset position to the first preset position in a direction away from the first direction, so that the second filling member 752 moves to a position partially accommodated in the product cavity 9.

[0067] In some embodiments, see Figure 12 and Figure 13 , the number of the second guide rod 76, the second elastic member 77 and the fourth guide hole 735 are all multiple, and the multiple fourth guide holes 735 all penetrate the driving block 73 along the first direction, one end of the multiple second guide rods 76 is fixed to the guide assembly 74, a second elastic member 77 is sleeved on a second guide rod 76, and the other end of a second guide rod 76 is inserted into a fourth guide hole 735, and the multiple second elastic members 77 are all located between the driving block 73 and the guide assembly 74. When the driving block 73 moves from the second preset position to the first preset position in a direction away from the first direction, the second elastic member 77 pushes the guide assembly 74 to move in a direction away from the first direction, so that the second filling member 752 moves to a position partially accommodated in the product cavity 9.

[0068] See also Figure 1 、 Figure 3 、 Figure 4 、 Figure 21 and Figure 22 As shown, when the driving block 73 moves to the third preset position, the first filling piece 751 and the second filling piece 752 are completely separated from the cavity 203 of the finished product 200, and then the output shaft of the other device passes through the first driving hole 11 to push the driving module 6 toward the second mold body 3, thereby driving the first push rod 4 and the second push rod 5 to move in the direction away from the second cavity 31, thereby pushing the finished product 200 and the second cavity 31 to separate. At the same time, the first filling part 41 and the first groove 201 of the finished product 200 are gradually separated, and the second filling part 51 is gradually separated from the second groove 202, thereby completing the demolding of the finished product 200.

[0069] 15, and the second filling member 752 is provided with a first guide structure 7511, and the second filling member 752 is provided with a second guide structure 7521. The first guide structure 7511 and the second guide structure 7521 cooperate with each other. The limiting assembly 72 is provided on the second mold body 3, and the second filling member 752 is slidably provided on the guide assembly 74. The sliding direction of the second filling member 752 in the guide assembly 74 is perpendicular to the sliding direction of the guide assembly 74 in the fourth slide groove 15. When the first filling member 751 and the second filling member 752 are both in the first preset position, the other end of the first filling member 751 and the other end of the second filling member 752 are both inserted into the product cavity 9, and the limiting assembly 72 partially extends into the fourth slide groove 15 to limit the movement of the limiting assembly 72 along the first direction. When the first preset position moves along the first direction to the second preset position, under the joint action of the first guide structure 7511, the second guide structure 7521, the limiting assembly 72 and the guide assembly 74, the second filling piece 752 moves along the second direction, and when the driving block 73 is in the second preset position, the driving block 73 pushes the limiting assembly 72 to move in the direction away from the fourth sliding groove 15 to release the limit on the guide assembly 74; when the driving block 73 moves from the second preset position to the third preset position along the first direction, under the action of the transmission assembly 71, the guide assembly 74 drives the second filling piece 752 to move in the first direction to a position separated from the product chamber 9. Only by moving the driving block 73 in the first direction, the first filling piece 751 can be pulled out of the product chamber 9. At the same time, the second filling piece 752 first moves in the second direction and then moves in the first direction, thereby avoiding interference between the second filling piece 752 and the finished product 200, thereby ensuring the quality of the finished product 200.

[0070] The present invention further provides an embodiment of an injection molding machine, which includes the above-mentioned mold 100. The specific structure and function of the mold 100 can be found in the above-mentioned embodiment, and will not be described in detail here.

[0071] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention's description and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A mold, characterized in that: include: A first mold body is provided with a first cavity; The second mold body is provided with a second cavity, a first guide hole, and a second guide hole. When the first mold body and the second mold body are closed, the first cavity and the second cavity together form a product cavity. One end of the first guide hole is connected to the second cavity, and one end of the second guide hole is connected to the second cavity. The distance between the first guide hole and the second guide hole decreases from one end of the first guide hole to the other end of the first guide hole. The cavity forming module includes a transmission assembly, a limiting assembly, a driving block, a guide assembly and a filling assembly, the driving block and the guide assembly are both slidably arranged on the second mold body, the driving block and the guide assembly can slide in a first direction relative to the second mold body, the limiting assembly is arranged on the second mold body, the limiting assembly is configured to limit the guide assembly from sliding along the first direction, the transmission assembly is connected to the guide assembly and the driving block respectively, the filling assembly includes a first filling piece and a second filling piece, one end of the first filling piece is fixed to the driving block, one end of the second filling piece is slidably arranged on the guide assembly, and the sliding direction of the second filling piece along the guide assembly is perpendicular to the first direction, and the second filling piece also slidably cooperates with the first filling piece so that when the driving block drives the first filling piece to move in the first direction, the first filling piece drives the second filling piece to move in the second direction and a second stop member which is engaged with the guide member and which is engaged with the second stop member when the guide member is engaged with the first stop member. a first ejector rod, slidably inserted into the first guide hole, wherein a first filling portion is provided at one end of the first ejector rod, and the first filling portion is received in the product cavity; a second ejector rod, slidably inserted into the second guide hole, wherein a second filling portion is provided at one end of the second ejector rod, and the second filling portion is received in the product cavity; A driving module, wherein the other end of the first push rod and the other end of the second push rod are both connected to the driving module. When the driving module drives the first push rod and the second push rod to move toward the direction close to the first mold body, the first push rod and the second push rod jointly lift the finished product in the product cavity, and the distance between the first filling part and the second filling part gradually increases, and the first filling part and the second filling part gradually separate from the finished product.

2. The mold according to claim 1, characterized in that The driving module includes a driving plate, a first driving rod and a second driving rod, one end of the first driving rod is fixed to the driving plate, and the other end of the first driving rod is slidably connected to one end of the first push rod, one end of the second driving rod is fixed to the driving plate, and the other end of the second driving rod is slidably connected to the other end of the second push rod.

3. The mold according to claim 2, characterized in that The other end of the first driving rod is provided with a first sliding groove, and the side wall of the first sliding groove is provided with a first clamping platform. The other end of the first push rod is provided with a second sliding groove, and the side wall of the second sliding groove is provided with a second clamping platform. The first clamping platform is inserted into the second sliding groove, and the second clamping platform is inserted into the first sliding groove, and the first push rod can slide along the first sliding groove relative to the first driving rod, so that when the first driving rod drives the first push rod to slide along the first guide hole, there will be no interference between the first push rod and the inner wall of the first guide hole.

4. The mold according to claim 2, characterized in that A third sliding groove is provided at the other end of the second driving rod, and a first clamping portion is provided at the other end of the second push rod. The first clamping portion is inserted into the third sliding groove, and the first clamping portion can slide along the third sliding groove, so that when the second driving rod drives the second push rod to slide along the second guide hole, there will be no interference between the first clamping portion and the inner wall of the second guide hole.

5. The mold according to claim 2, characterized in that The mold further includes a base, the driving module further includes a first guide rod, the second mold body is arranged on the base, the first guide rod is fixed to the base, the driving plate is provided with a third guide hole, and the first guide rod is inserted into the third guide hole.

6. The mold according to claim 5, characterized in that The driving module further includes a guide block, which is installed in the third guide hole and sleeved on the first guide rod.

7. The mold according to claim 6, characterized in that The driving plate is provided with a plurality of third guide holes, which are distributed in a rectangular shape on the driving plate. The number of the first guide rods and guide blocks is multiple, one guide block is installed in one third guide hole, and one guide block is sleeved on one first guide rod.

8. The mold according to claim 5, characterized in that A first driving hole is provided at one end of the base facing away from the second mold body, and the driving plate is located at one end of the first driving hole facing the second mold body. The first driving hole is used for other equipment to pass through so that other equipment can push the driving plate to move along the first guide rod.

9. The mold according to claim 7, characterized in that The mold also includes a filling assembly and a driving rod. The filling assembly is slidably arranged on the base. The filling assembly is provided with a second driving hole. One end of the driving rod is fixed to the first mold body, and the other end of the driving rod is inserted into the second driving hole. The filling assembly is used to form the cavity of the finished product. The second driving hole is arranged at an angle so that when the first mold body and the second mold body are separated, the filling assembly and the cavity of the finished product are separated under the joint action of the driving rod and the second driving hole.

10. An injection molding machine, characterized in that: The method comprises the mold according to any one of claims 1 to 9.

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