A sliding nesting mold

Abstract

The present invention relates to a sliding nested mold, which belongs to the field of mold technology and solves the technical problems of complex structure and high cost existing in molds used for processing two-color injection molding. The sliding nested mold includes a fixed mold assembly and a movable mold assembly. At least one first cavity for pouring a first-color product and at least one second cavity for pouring a second-color product are provided between the fixed mold assembly and the movable mold assembly. An ejector pin is also installed on the movable mold assembly. The first hot nozzle and the second hot nozzle are respectively connected to the first cavity and the second cavity. The first block is provided between the first cavity and the second cavity and is slidably mounted on the movable mold assembly. In the first state, the first block blocks the space between the first cavity and the second cavity. In the second state, the first block moves away from the space between the first cavity and the second cavity, and the first-color product in the first cavity is pushed into the second cavity by a translation drive device. The sliding nested mold has the advantages of simple structure and low cost.

Description

Technical Field

[0001] The invention belongs to the technical field of molds, and in particular relates to a sliding nesting mold. Background Art

[0002] Traditional thick-walled parts (two-color injection molding) utilize a rotating mold structure. The mold is designed and manufactured using a two-color injection molding machine. After the first color is injected, the mold is rotated a certain angle to inject the second color. The thickness of the product increases gradually, and the mold structure for thick-walled parts is formed in the cavity of the final color.

[0003] For example, patent number CN108202451A discloses a layered injection mold for thick-walled products, including an upper mold, a lower mold, a rotating plate, a driving device and a rotating device. The rotating plate is provided with at least one first injection cavity and at least one second cavity. The upper mold is provided with at least one first glue inlet and at least one second glue inlet. The bottom of the rotating plate is connected to a rotating shaft, which passes through the lower mold and extends from the bottom of the lower mold. The driving device is installed at the bottom of the rotating shaft and is connected to the rotating shaft for transmission, thereby driving the rotating shaft to move up and down, thereby driving the rotating plate to move up and down. The rotating device is rotatably connected to the rotating shaft, thereby driving the rotating shaft to rotate, thereby driving the rotating plate to rotate.

[0004] The mold for transferring the casting from the first color cavity to the second color cavity by rotation has the disadvantages of complex structure and high cost. Summary of the Invention

[0005] The present invention provides a sliding nested mold for solving the technical problems of complex structure and high cost existing in molds for processing two-color injection parts.

[0006] The present invention is achieved through the following technical solution: a sliding nesting mold, comprising:

[0007] A fixed mold assembly and a movable mold assembly, wherein at least one first mold cavity for pouring a first color product and at least one second mold cavity for pouring a second color product are provided between the fixed mold assembly and the movable mold assembly, and an ejector pin for ejecting the second color product is also installed on the movable mold assembly;

[0008] a first hot nozzle and a second hot nozzle, wherein the first hot nozzle and the second hot nozzle are respectively connected to the first cavity and the second cavity;

[0009] a first block, the first block being disposed between the first cavity and the second cavity and being slidably mounted on the movable mold assembly;

[0010] In a first state, the first block is blocked between the first cavity and the second cavity;

[0011] In the second state, the first block is moved away from between the first cavity and the second cavity, and the first color product in the first cavity is pushed into the second cavity by the translation drive device.

[0012] Furthermore, in order to better implement the present invention, the fixed mold assembly includes a fixed mold plate and a fixed mold insert, the fixed mold insert is connected to the fixed mold plate, and the fixed mold insert is provided with at least one first sub-cavity and at least one second sub-cavity;

[0013] The movable mold assembly includes a spring plate and a movable mold plate, the spring plate being mounted on the movable mold plate via a spring and a sleeve of equal height and located between the movable mold plate and the fixed mold insert, the first block being mounted on the movable mold plate and passing through the spring plate, a third sub-cavity being provided on the first block at a position corresponding to the first sub-cavity, and a fourth sub-cavity being provided on the first block at a position corresponding to the second sub-cavity, the second block being mounted on the spring plate, and a sixth sub-cavity being provided on the second block at a position corresponding to the second sub-cavity;

[0014] The translation drive device includes a linear power source and a third block, wherein the linear power source is mounted on the spring plate, the third block is connected to the power output end of the linear power source, and a fifth sub-cavity is provided on the third block at a position corresponding to the first sub-cavity;

[0015] The first sub-mold cavity, the third sub-mold cavity and the fifth sub-mold cavity constitute the first mold cavity, and the second sub-mold cavity, the fourth sub-mold cavity and the sixth sub-mold cavity constitute the second mold cavity;

[0016] In the second state, the linear power source drives the third block to translate to push the first color product into the sixth sub-cavity.

[0017] Furthermore, in order to better implement the present invention, it further includes a guide rail and a slider, the third block is slidably mounted on the guide rail through the slider, and the guide rail is mounted on the spring plate.

[0018] Furthermore, in order to better implement the present invention, the guide rail includes a limit assembly and a U-shaped rail bed, the rail bed is mounted on the spring plate and the opening of the rail bed faces away from the spring plate, the limit assembly is mounted on the edge of the rail bed opening, and a slide groove is formed between the limit assembly and the rail bed;

[0019] The slider is in a Z-shaped structure, one end of the slider is detachably fixedly connected to the third block, and the other end of the slider is slidably installed in the sliding groove.

[0020] Furthermore, in order to better implement the present invention, the limiting assembly includes a limiting plate and a limiting block, the thickness of the limiting block is greater than the thickness of the limiting plate, and the limiting plate is located close to the first cavity.

[0021] Furthermore, in order to better implement the present invention, a plurality of oil grooves for containing lubricating oil are provided on the groove wall of the slide groove and the outer wall of the other end of the sliding block.

[0022] Furthermore, in order to better implement the present invention, the guide rail and the slider form a guide assembly, and the two ends of the third block are provided with the guide assembly.

[0023] Furthermore, in order to better realize the present invention, the fixed mold assembly also includes a fixed mold fixing plate and a hot runner plate connected together, the fixed mold plate is connected to the hot runner plate, the first hot nozzle and the second hot nozzle are both arranged on the fixed mold fixing plate, and a hot runner system is installed inside the hot runner plate, and the hot runner system is used to control the on-off state between the first hot nozzle and the first cavity and the on-off state between the second hot nozzle and the second cavity.

[0024] Furthermore, in order to better realize the present invention, a coaxial first hole and a second hole are provided on the spring plate, the first hole is located on the side close to the movable template and the aperture of the first hole is smaller than the aperture of the second hole, the contour sleeve is passed through the first hole and the second hole and the baffle of the contour sleeve is located in the second hole, the contour sleeve is connected to the movable template, the spring is sleeved outside the contour sleeve and the two ends of the spring are respectively in contact with the movable template and the spring plate.

[0025] Furthermore, in order to better realize the present invention, the movable mold assembly also includes a movable mold fixing plate, a square iron, a face needle plate, a bottom needle plate and a guide column. The square iron connects the movable mold plate and the movable mold fixing plate, the face needle plate and the bottom needle plate are connected together, the ejector pin is arranged on the face needle plate, and the bottom needle plate is connected to the movable mold fixing plate through a garbage nail. A socket is provided on the movable mold fixing plate, and the socket is used to plug in the plug block that drives the face needle plate and the bottom needle plate to move and drive the ejector pin to move. The two ends of the guide column are respectively connected to the movable mold fixing plate and the movable mold plate, and a guide hole is provided at the position opposite to the face needle plate and the bottom needle plate, and the guide column is connected to the guide hole.

[0026] Compared with the prior art, the present invention has the following beneficial effects:

[0027] The sliding nested mold provided by the present invention includes a fixed mold component and a movable mold component. At least one first cavity for pouring a first color product and at least one second cavity for pouring a second color product are provided between the fixed mold component and the movable mold component. A ejector pin is also installed on the movable mold component. When in use, the first color product is first poured out of the first cavity, and then the first color product is moved into the second cavity. In the second cavity, the second color product (that is, a thick-walled part) is poured on the first color product to form the second color product. The above-mentioned ejector pin is used to fix the second color product out of the second cavity, the first hot nozzle is connected to the first cavity to inject glue into the first cavity, and the second hot nozzle is connected to the second cavity to inject glue into the second cavity. The glue liquid is slidably mounted on the movable mold assembly with a first block, and the first block is arranged between the first cavity and the second cavity. In the first state, the above-mentioned first block is blocked between the first cavity and the second cavity. In the second state, the above-mentioned first block is moved away from between the first cavity and the second cavity, and the first color product in the first cavity is driven by the translation drive device to enter the second cavity. Through the above structure, the sliding nested mold provided by the present invention pushes the first color product from the first cavity to the second cavity through the translation drive device. Therefore, the transfer of the first color product does not require a rotating mold, and there is no need to add a rotating device in the mold. Therefore, the structure of the sliding nested mold is simpler and the cost is lower. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0029] Figure 1 1 is a schematic structural diagram of a sliding nesting mold in an embodiment of the present invention;

[0030] Figure 2 is a schematic structural diagram of a first block in an embodiment of the present invention;

[0031] Figure 3 is a schematic structural diagram of the second block in an embodiment of the present invention;

[0032] Figure 4 is a schematic structural diagram of the third block in an embodiment of the present invention;

[0033] Figure 5 Schematic diagram of the structure of the fixed mold insert in an embodiment of the present invention;

[0034] Figure 6 Schematic diagram of the structure of the movable mold assembly in an embodiment of the present invention (the spring plate is not shown);

[0035] Figure 7 Schematic diagram of the connection structure between the spring plate and the movable plate in an embodiment of the present invention;

[0036] Figure 8 is a schematic structural diagram of the third block connected to the guide assembly in an embodiment of the present invention;

[0037] Figure 9 yes Figure 8 Exploded view of the structure shown;

[0038] Figure 10 This is a structural block diagram of the sliding nested mold during mold closing in an embodiment of the present invention;

[0039] Figure 11 1 is a schematic structural diagram of the sliding nested mold when opening the mold in an embodiment of the present invention;

[0040] Figure 12 yes Figure 11 A structural block diagram of the structure shown;

[0041] Figure 13 This is a structural block diagram of the ejector pin ejection when the sliding nested mold is opened in an embodiment of the present invention;

[0042] Figure 14 This is a schematic structural diagram of the third block pushing the first color product into the second cavity when the sliding nested mold is opened in an embodiment of the present invention;

[0043] Figure 15 yes Figure 14 Structural block diagram of the structure shown.

[0044] In the figure: 1-fixed plate; 2-fixed mold insert; 201-first sub-cavity; 202-second sub-cavity; 3-fixed mold fixing plate; 4-hot runner plate; 5-hot runner system; 6-spring plate; 7-movable plate; 8-spring; 9-contour sleeve; 10-movable mold fixing plate; 1001-jack; 11-square iron; 12-face needle plate; 13-bottom needle plate; 14-guide column; 15-thrower; 16-first hot nozzle; 17-second hot nozzle; 18-first block; 1801-third sub-cavity; 1802-fourth sub-cavity; 19-second block; 1901-sixth sub-cavity; 20-linear power source; 21-third block; 2101-fifth sub-cavity; 22-limiting plate; 23-limiting block; 24-track bed; 25-slider; 26-first cavity; 27-second cavity DETAILED DESCRIPTION

[0045] To make the objectives, technical solutions, and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other implementations obtained by those of ordinary skill in the art without inventive effort are within the scope of protection of the present invention.

[0046] Example 1:

[0047] This embodiment provides a sliding nested mold for casting two-color products. During operation, the first-color product does not need to be moved from the first cavity 26 to the second cavity 27 by rotating the mold. Instead, the first-color product is transferred from the first cavity 26 to the second cavity 27 by pushing it horizontally, thereby solving the technical problems of complex structure and cost in the prior art for producing two-color products (thick-walled parts) with molds.

[0048] The sliding nested mold includes a fixed mold component and a movable mold component, wherein the fixed mold component is fixed, and the movable mold component is driven by a common injection molding machine to move toward or away from the fixed mold component, thereby achieving mold closing and mold opening.

[0049] At least one first cavity 26 for casting the first color product and at least one second cavity 27 for casting the second color product are provided between the fixed mold assembly and the movable mold assembly. A ejector pin 15 is also installed on the movable mold assembly. When in use, the first color product is first cast in the first cavity 26, and then the first color product is moved into the second cavity 27. In the second cavity 27, the second color product (that is, a thick-walled part) is cast on the first color product. The above-mentioned ejector pin 15 is used to eject the second color product out of the second cavity 27.

[0050] It also includes a first hot nozzle 16 and a second hot nozzle 17. The first hot nozzle 16 and the second hot nozzle 17 are respectively connected to the glue injection pipe. The first hot nozzle 16 is connected to the first cavity 26 to inject glue into the first cavity 26. The second hot nozzle 17 is connected to the second cavity 27 to inject glue into the second cavity 27.

[0051] A first block 18 is slidably mounted on the movable mold assembly. The first block 18 is disposed between the first cavity 26 and the second cavity 27. In a first state, the first block 18 blocks the space between the first cavity 26 and the second cavity 27. In a second state, the first block 18 moves away from between the first cavity 26 and the second cavity 27, and the first color product in the first cavity 26 is driven by a translation drive device to enter the second cavity 27.

[0052] Through the above structure, the sliding nested mold provided by the present invention pushes the first color product from the first cavity 26 to the second cavity 27 through the translation drive device. Therefore, the transfer of the first color product does not require a rotating mold, and no rotating device is required in the mold. Therefore, the structure of the sliding nested mold is simpler and the cost is lower.

[0053] Example 2:

[0054] This embodiment is an implementation of embodiment 1. In this embodiment, the above-mentioned fixed mold assembly includes a fixed mold plate 1 and a fixed mold insert 2. A first groove is provided on the side plate surface of the fixed mold plate 1 close to the movable mold assembly. The above-mentioned fixed mold insert 2 is embedded in the above-mentioned first groove and fixed by screws. At least one first sub-cavity 201 and at least one second sub-cavity 202 are provided on the side plate surface of the fixed mold insert 2 close to the movable mold assembly, and the first sub-cavity 201 and the second sub-cavity 202 are independently arranged.

[0055] The above-mentioned movable mold assembly includes a spring plate 6 and a movable mold plate 7, wherein the spring plate 6 is a square plate, which is mounted on the movable mold plate 7 through a spring 8 and a sleeve 9 of equal height and is located between the movable mold plate 7 and the fixed mold insert 2 (fixed mold plate 1). As a specific implementation of this embodiment, the spring plate 6 in this embodiment is provided with a coaxial first hole and a second hole, the first hole and the second hole forming a through hole passing through the spring plate 6, and the first hole is located on the side close to the movable mold plate 7, and the aperture of the first hole is smaller than the aperture of the second hole. The high sleeve 9 includes a straight rod and a baffle provided at one end of the straight rod. The straight rod is connected to the first hole and the second hole, and the baffle is located in the second hole. The depth of the second hole is sufficient to prevent the baffle from extending out of the second hole, and the other end of the straight rod is detachably fixed (screwed) on the movable template 7. The spring 8 is sleeved on the outside of the above-mentioned equal height sleeve 9, and the two ends of the spring 8 are respectively in contact with the above-mentioned movable template 7 and the spring plate 6, and the spring 8 is a compression spring 8, thereby driving the spring plate 6 to always have a tendency to move away from the movable template 7. When the mold is closed, the above-mentioned spring plate 6 will directly contact the above-mentioned fixed mold plate 1 and the fixed mold insert 2, and at this time, the above-mentioned spring 8 will be driven to be compressed. Optimally, countersunk holes are provided in the movable mold plate 7 and the edge of the first hole, so that when the mold is closed, the compressed spring 8 will not be cushioned between the movable mold plate 7 and the spring plate 6, that is, the spring plate 6 and the movable mold plate 7 can be tightly attached to each other; when the mold is opened, the compression force on the above-mentioned spring 8 is released, and the spring 8 will drive the spring plate 6 to move toward the side away from the movable mold plate 7, thereby causing the spring plate 6 to pop open.

[0056] A second groove is provided on the movable template 7, and the above-mentioned first block 18 is embedded in the second groove and fastened by screws. A clearance hole is provided on the spring plate 6, and the above-mentioned first block 18 is inserted in the clearance hole. At this time, the first block 18 can be displaced relative to the spring plate 6 under the drive of the movable template 7, that is, the purpose of sliding the first block 18 on the movable mold assembly is achieved. Specifically, when the mold is opened, the injection molding machine drives the movable mold assembly as a whole to move toward the side away from the fixed mold assembly, and the spring 8 drives the spring plate 6 to move relative to the movable template 7, thereby causing the first block 18 to move relative to the spring plate 6. The first block 18 is located between the first sub-cavity 201 and the second sub-cavity 202 on the fixed mold insert 2, and both side ends of the first block 18 are opposite to the first sub-cavity 201 and the second sub-cavity 202. A third sub-cavity 1801 is provided at the position where the first block 18 is opposite to the first sub-cavity 201, and a fourth sub-cavity 1802 is provided at the position where the first block 18 is opposite to the second sub-cavity 202.

[0057] A third groove is provided on the plate surface on the side of the above-mentioned spring plate 6 facing away from the movable template 7, in which the second block 19 is embedded and protrudes from the above-mentioned spring plate 6, and the position of the second block 19 corresponds to the above-mentioned second sub-cavity 202, and a sixth sub-cavity 1901 is provided at the position corresponding to the second block 19 and the second sub-cavity 202.

[0058] The translation drive device includes a third block 21 and a linear power source 20 capable of outputting linear motion. The linear power source 20 is detachably fixedly mounted on the spring plate 6. The third block 21 is mounted at the power output end of the linear power source 20. The position of the third block 21 corresponds to the first sub-cavity 201 on the movable mold insert. A fifth sub-cavity 2101 is provided on the side of the third block 21 away from the linear power source 20. Specifically, the linear power source 20 is a pneumatic cylinder. Of course, the linear power source 20 can also be a hydraulic cylinder or other electronically controlled device capable of outputting linear motion.

[0059] In the first state, the first block 18 is placed between the second block 19 and the third block 21. At this time, the first sub-cavity 201, the third sub-cavity 1801, and the fifth sub-cavity 2101 are spliced to form the first cavity 26, and the second sub-cavity 202, the fourth sub-cavity 1802, and the sixth sub-cavity 1901 are spliced to form the second cavity 27. Due to the blocking effect of the first block 18, the linear power source 20 cannot drive the third block 21 to move toward the second block 19.

[0060] In the second state, the injection molding machine drives the dynamic template 7 to move a distance. At this time, the spring 8 drives the spring plate 6 to pop out so that the first block 18 is not blocked between the above-mentioned second block 19 and the third block 21. The linear power source 20 can drive the third block 21 to move toward the second block 19. At this time, the spring plate 6 is not in contact with the above-mentioned fixed mold insert. Therefore, the first color product cast in the first cavity 26 will not be interfered with by the cavity wall of the first sub-cavity 201. Therefore, the linear power source 20 can push the third block 21 to drive the first color product to be pushed horizontally into the sixth sub-cavity 1901 on the above-mentioned second block 19, so as to achieve the purpose of pushing the first color product horizontally into the second cavity 27.

[0061] As a specific implementation of this embodiment, the sliding nesting mold provided in this embodiment includes the following steps when used:

[0062] Step 1: The injection molding machine drives the movable mold assembly toward the fixed mold assembly to close the mold. At this time, the first block 18 is blocked between the second block 19 and the third block 21. The first sub-cavity 201, the third sub-cavity 1801, and the fifth sub-cavity 2101 are spliced to form the first cavity 26. The second sub-cavity 202, the fourth sub-cavity 1802, and the sixth sub-cavity 1901 are spliced to form the second cavity 27.

[0063] Step 2: The mold is opened and the ejector pin 15 is ejected, thereby ejecting the second color product formed in the second cavity 27. At the beginning, it is possible to detect whether there is a product in the second cavity 27 to ensure the smooth progress of the process;

[0064] Step 3: The mold is closed again and the ejector pin 15 is retracted and reset. The first hot nozzle 16 injects glue into the first cavity 26 to form a first color product.

[0065] Step 4: The injection molding machine drives the movable mold assembly away from the fixed mold assembly to open the mold. At this time, the spring plate 6 is ejected toward the side away from the movable platen 7 under the action of the spring 8, thereby driving the first block 18 to move away from between the second block 19 and the third block 21.

[0066] Step 5: The linear power source 20 pushes the third block 21, and the third block 21 drives the first color product on it to move horizontally into the sixth sub-mold cavity 1901 on the second block 19 and fix it;

[0067] Step 6: The linear power source 20 drives the third block 21 to retract and reset. At this time, the first color product is located in the sixth sub-cavity 1901;

[0068] Step 7: Closing the mold, the first block 18 is again inserted between the third block 21 and the second block 19, and the spring plate 6 is attached to the fixed mold insert 2. At this time, the first cavity 26 and the second cavity 27 are formed again, and the first color product is nested in the second cavity 27.

[0069] Step 8: The first hot nozzle 16 injects glue into the first cavity 26 again, and the second hot nozzle 17 injects glue into the second cavity 27. During this process, the first cavity 26 and the second cavity 27 are simultaneously poured, and the second cavity 27 will be poured outside the first color product that has previously entered it to form a second color product. The first cavity 26 will be poured to form a new first color product.

[0070] Step 9: The mold is opened, and the ejector pin 15 is ejected to eject the second color product in the second cavity 27, that is, the second color product in the sixth sub-cavity 1901;

[0071] Then continue to push the first color product in the first cavity 26 into the second cavity 27 for pouring;

[0072] The cycle continues.

[0073] As a more preferred embodiment of this embodiment, the fixed mold assembly further includes a fixed mold plate 3 and a hot runner plate 4 connected together, the fixed mold plate 1 is connected to the hot runner plate 4, the first hot nozzle 16 and the second hot nozzle 17 are both provided on the fixed mold plate 3, and an installation chamber is provided on the hot runner plate 4, in which a hot runner system 5 is installed. The hot runner system 5 is controlled by a needle valve and is used to control the connection and disconnection between the first hot nozzle 16 and the first cavity 26, and between the second hot nozzle 17 and the second cavity 27, to ensure that the sliding nested mold provided in this embodiment can perform step-by-step casting of the first color product and the second color product as planned. Since the hot runner system 5 and the needle valve control are both existing technologies, they will not be described in detail here.

[0074] Example 3:

[0075] This embodiment is a better implementation of Example 2. The sliding nested mold provided in this embodiment also includes a guide rail and a slider 25. The above-mentioned third block 21 is slidably installed on the above-mentioned guide rail through the slider 25, and the guide rail is installed on the above-mentioned spring plate 6. In this way, the third block 21 can be driven by the linear power source 20 to translate more stably on the above-mentioned spring plate 6.

[0076] As a specific implementation of this embodiment, the guide rail in this embodiment includes a limit assembly and a track bed 24 with a U-shaped structure. The track bed 24 is detachably fixed on the spring plate 6 and the opening of the track bed 24 faces the side away from the spring plate 6. The limit assembly is installed on the opening edge of the track bed 24. At this time, a slide groove is formed between the limit assembly and the track bed 24. The slider 25 is Z-shaped, and one end of the slider 25 is embedded in the side wall of the third block 21 and locked by a screw. The other end of the slider 25 is slidably connected to the slide groove. The limiting effect of the limit assembly makes the slider 25 only slide along the length direction of the slide groove and cannot move in other directions, further improving the stability of the third block 21 driving the first color product to move horizontally. Moreover, the guide rail and slider 25 have a simple structure, low cost, and are easy to manufacture and assemble. Of course, the guide rail and slider 25 can also be replaced by other matching guide rail and slider pairs.

[0077] As an optimal implementation method of this embodiment, the limiting assembly in this embodiment includes a limiting plate 22 and a limiting block 23, wherein the thickness of the limiting plate 22 is smaller than the above-mentioned limiting block 23, that is, the limiting plate 22 is thinner, and the above-mentioned limiting plate 22 is installed at a position close to the above-mentioned first cavity 26.

[0078] Since it is inevitable that part of the glue will flow out and enter the above-mentioned chute when the glue is injected into the first cavity 26, in order to ensure the sliding of the slider 25 in the chute, the glue in the chute needs to be cleaned regularly. Through the above-mentioned structure, since the thickness of the limit plate 22 is thinner than the limit block 23, the limit plate 22 can be more easily disassembled and assembled from the track bed 24, so that the user can clean and maintain the chute without removing the entire sliding nesting mold, thereby facilitating maintenance and saving time and cost.

[0079] As a better implementation of this embodiment, in this embodiment, a number of oil grooves for containing lubricating oil are provided on the above-mentioned chute wall and the outer wall of the other end of the slider 25. In this way, the slider 25 can slide more flexibly in the chute to prevent burning.

[0080] Example 4:

[0081] This embodiment is a specific implementation of the above embodiment. In this embodiment, the above-mentioned movable mold assembly also includes a movable mold fixing plate 10, a square iron 11, a face needle plate 12, a bottom needle plate 13 and a guide column 14. The above-mentioned square iron 11 connects the movable mold plate 7 and the movable mold fixing plate 10. The movable mold fixing plate 10 is connected to the injection molding machine. The above-mentioned face needle plate 12 and the bottom needle plate 13 are connected together. The above-mentioned ejector pin 15 is provided on the above-mentioned face needle plate 12 and passes through the above-mentioned movable mold plate 7, the spring plate 6 and the second block 19 to be used to eject the second color product in the second cavity 27.

[0082] The bottom needle plate 13 is connected to the movable mold fixing plate 10 through a garbage nail. A socket 1001 is provided on the movable mold fixing plate 10. The socket 1001 is used to face the plug block on the injection molding machine so that the plug block on the injection molding machine passes through the movable mold fixing plate 10 and presses against the bottom needle plate 13. The plug block can drive the bottom needle plate 13 and the surface needle plate 12 to approach or move away from the movable mold fixing plate 10, thereby making the ejector pin 15 extend or extend out of the second cavity 27.

[0083] The two ends of the guide post 14 are respectively connected to the movable mold fixing plate 10 and the movable mold plate 7. A guide hole is provided at a position opposite to the surface needle plate 12 and the bottom needle plate 13, and the guide post 14 is passed through the guide hole. More preferably, a shaft sleeve is provided in the guide hole, and the guide post 14 is passed through the shaft sleeve, thereby realizing the guiding S effect on the movement of the bottom needle plate 13, the surface needle plate 12 and the ejector pin 15.

[0084] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope of the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A sliding nesting mold, characterized in that: include: A fixed mold assembly and a movable mold assembly, wherein at least one first mold cavity for pouring a first color product and at least one second mold cavity for pouring a second color product are provided between the fixed mold assembly and the movable mold assembly, and an ejector pin for ejecting the second color product is also installed on the movable mold assembly; a first hot nozzle and a second hot nozzle, wherein the first hot nozzle and the second hot nozzle are respectively connected to the first cavity and the second cavity; a first block, the first block being disposed between the first cavity and the second cavity and being slidably mounted on the movable mold assembly; In a first state, the first block is blocked between the first cavity and the second cavity; In the second state, the first block is moved away from between the first cavity and the second cavity, and the first color product in the first cavity is pushed into the second cavity by the translation drive device.

2. A sliding nesting mold according to claim 1, characterized in that: The fixed mold assembly includes a fixed mold plate and a fixed mold insert, the fixed mold insert is connected to the fixed mold plate, and the fixed mold insert is provided with at least one first sub-cavity and at least one second sub-cavity; The movable mold assembly includes a spring plate and a movable mold plate, the spring plate being mounted on the movable mold plate via a spring and a sleeve of equal height and located between the movable mold plate and the fixed mold insert, the first block being mounted on the movable mold plate and passing through the spring plate, a third sub-cavity being provided on the first block at a position corresponding to the first sub-cavity, and a fourth sub-cavity being provided on the first block at a position corresponding to the second sub-cavity, the second block being mounted on the spring plate, and a sixth sub-cavity being provided on the second block at a position corresponding to the second sub-cavity; The translation drive device includes a linear power source and a third block, wherein the linear power source is mounted on the spring plate, the third block is connected to the power output end of the linear power source, and a fifth sub-cavity is provided on the third block at a position corresponding to the first sub-cavity; The first sub-mold cavity, the third sub-mold cavity and the fifth sub-mold cavity constitute the first mold cavity, and the second sub-mold cavity, the fourth sub-mold cavity and the sixth sub-mold cavity constitute the second mold cavity; In the second state, the linear power source drives the third block to translate to push the first color product into the sixth sub-cavity.

3. A sliding nesting mold according to claim 2, characterized in that: It also includes a guide rail and a slider, the third block is slidably mounted on the guide rail via the slider, and the guide rail is mounted on the spring plate.

4. The sliding nesting mold according to claim 3, characterized in that: The guide rail includes a limiting assembly and a U-shaped rail bed, wherein the rail bed is mounted on the spring plate and an opening of the rail bed faces away from the spring plate, and the limiting assembly is mounted on an edge of the rail bed opening, with a slide groove formed between the limiting assembly and the rail bed. The slider is in a Z-shaped structure, one end of the slider is detachably fixedly connected to the third block, and the other end of the slider is slidably installed in the sliding groove.

5. The sliding nesting mold according to claim 4, characterized in that: The limiting assembly includes a limiting plate and a limiting block, the thickness of the limiting block is greater than the thickness of the limiting plate, and the limiting plate is located near the first cavity.

6. The sliding nesting mold according to claim 5, characterized in that: A plurality of oil grooves for containing lubricating oil are provided on the groove wall of the slide groove and the outer wall of the other end of the sliding block.

7. The sliding nesting mold according to claim 6, characterized in that: The guide rail and the slider form a guide assembly, and both ends of the third block are provided with the guide assembly.

8. A sliding nesting mold according to any one of claims 2 to 7, characterized in that: The fixed mold assembly also includes a fixed mold fixing plate and a hot runner plate connected together, the fixed mold plate is connected to the hot runner plate, the first hot nozzle and the second hot nozzle are both arranged on the fixed mold fixing plate, and a hot runner system is installed inside the hot runner plate, and the hot runner system is used to control the on-off state between the first hot nozzle and the first cavity and the on-off state between the second hot nozzle and the second cavity.

9. A sliding nesting mold according to any one of claims 2 to 7, characterized in that: The spring plate is provided with a coaxial first hole and a second hole, the first hole is located on the side close to the movable template and the aperture of the first hole is smaller than the aperture of the second hole, the contour sleeve is passed through the first hole and the second hole and the baffle of the contour sleeve is located in the second hole, the contour sleeve is connected to the movable template, the spring is sleeved outside the contour sleeve and the two ends of the spring are respectively in contact with the movable template and the spring plate.

10. A sliding nesting mold according to any one of claims 2 to 7, characterized in that: The movable mold assembly also includes a movable mold fixing plate, a square iron, a face needle plate, a bottom needle plate and a guide column. The square iron connects the movable mold plate and the movable mold fixing plate. The face needle plate and the bottom needle plate are connected together. The ejector pin is provided on the face needle plate. The bottom needle plate is connected to the movable mold fixing plate through a garbage nail. A socket is provided on the movable mold fixing plate. The socket is used to plug in an insert block that drives the face needle plate and the bottom needle plate to move and drive the ejector pin to move. The two ends of the guide column are respectively connected to the movable mold fixing plate and the movable mold plate. A guide hole is provided at the position opposite to the face needle plate and the bottom needle plate, and the guide column is connected to the guide hole.

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