Modular mold core and mold frame for assembling modular mold core
By designing the mold cavity group and thimble group operated externally with modular core and mold frame, the problem of pin damage and positioning differences when the robot operates in the mold frame is solved, the precise positioning and protection of the pin is achieved, and production is improved Efficiency and automation.
Patent Information
- Application Number
- CN202420950300.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-06
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-05-06
AI Technical Summary
During the diesel truck fuel injector coil forming process, the manipulator operates the pin in the mold frame easily damages the pin, and the pin is deformed due to positioning differences, and the mold core is not convenient for the manipulator to operate inside the mold frame.
A modular die core is designed, which can be independently from the mold frame and pin operation is carried out through the outside of the mold frame. The combined structure of the mold cavity group and the thimble group is adopted to ensure that the pin positioning is accurate and does not deform. A thimble set is also installed in the mold frame to facilitate product release.
Accurate positioning and protection of pins is achieved, avoiding damage to pins when the robot is operating in the mold frame, and improving production efficiency and automation.
Smart Images
Figure CN222270956U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a mould, in particular to a modular mould core and a mould frame for assembling the modular mould core. Background Art
[0002] When the injector coil of a diesel truck is formed, the robot grabs the pin and places it into the hole of the mold core. The mold core is inside the mold frame. This method is not only easy for the robot to damage the pin, but also relies on positioning to place the pin. Once there is a difference in positioning, the pin will be damaged and deformed. Third, the mold core is inside the mold frame, which is not convenient for the robot to operate. Utility Model Content
[0003] In order to solve the defects of the above-mentioned prior art, the utility model provides a modular mold core and a mold frame for assembling the modular mold core. The utility model regards the mold core as a separate structure that can be independent of the mold frame, and the pin insertion operation is manually performed outside the mold frame. There will be no positioning difference, no damage to the pins, and no deformation. The robot arm can grab the mold core and put it in and out of the mold frame. The robot arm will not damage the pins, and the problems of needle damage, needle deformation, and position difference can be solved.
[0004] In order to achieve the above technical objectives, the utility model adopts the following technical solutions: a modular mold core, including a mold core plate, a mold cavity group for producing coil products opened on the mold core plate, and an ejector pin group in contact with the mold cavity group and used to eject the completed coil products; the mold core plate and the ejector pin group are a modular integral structure, and can be placed separately on the outside of the mold frame to complete the step of placing the coil pins outside the mold frame.
[0005] Furthermore, the mold cavity group includes 2N first cavities and N second cavities, 2 of the first cavities are located outside the two ends of 1 of the second cavity, N of the first cavities and N / 2 of the second cavities form a row, and another N of the first cavities and N / 2 of the second cavities form a row, and a total of two rows are symmetrically opened on the core plate.
[0006] Furthermore, a coil core is arranged at the center of the first cavity, two pin holes are symmetrically provided in the first cavity, a plurality of first ejector pin holes are provided on the circumference of the first cavity, a second ejector pin hole is provided in the second cavity, and the first ejector pin hole and the second ejector pin hole are used to cooperate with the ejector pin group to eject the coil product.
[0007] Further, the ejector pin group includes a plurality of first ejector pins, a plurality of second ejector pins, two ejector pin plates, and two fixed plates; the plurality of first ejector pins are divided into 2N groups and are respectively arranged in the first ejector pin holes, and the plurality of second ejector pins are divided into N groups and are respectively arranged in the second ejector pins; the other ends of the plurality of first ejector pins and the plurality of second ejector pins are fixed on the ejector pin plate in two rows, and the ejector pin plate is fixed on the fixed plate, and when the fixed plate is lifted up, the first ejector pins and the second ejector pins can be lifted up synchronously; the two ejector pin plates are arranged in parallel and at intervals.
[0008] Furthermore, the core plate is provided with a handle fixing hole for assembling a fixing rod, and the fixing rod is fixedly connected with a handle; the core plate is also provided with a reset spring group.
[0009] A mold frame for assembling a modular mold core comprises an upper mold and a lower mold. The upper mold surface is grooved, and two long holes are provided in the groove for installing a modular mold core. The ejector pin group of the mold core passes through the two long holes and is placed on the lower mold; the lower mold is provided with a mold core ejector pin group for ejecting the mold core.
[0010] Furthermore, the core ejector group includes a plurality of core ejectors and a core ejector plate for fixing the core ejectors, the core ejector plate is fixed with a core ejector fixing plate, and when the core ejector fixing plate is lifted up, the core ejector can eject the core.
[0011] A method for using a modular mold core comprises assembling the pins of a coil product into a mold cavity group, placing the mold core as a whole into a mold frame, and taking the mold core out of the mold frame after the coil product is formed.
[0012] In summary, the utility model has achieved the following technical effects:
[0013] The utility model uses the mold core as a separate structure that can be independent of the mold frame. The pin insertion operation is manually performed outside the mold frame, and there will be no positioning difference, no damage to the pin, and no deformation. The manipulator can grab the mold core and put it in and out of the mold frame. The manipulator will not damage the pin, and the problems of needle damage, needle deformation, and position difference can be solved.
[0014] The utility model provides an ejector pin inside the mold core to eject the product, and an ejector pin inside the mold frame to eject the mold core, so that the product and the mold core are ejected asynchronously, which is convenient for demoulding of the product.
[0015] The utility model has high automation degree and high production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of a modular mold core provided by an embodiment of the utility model;
[0017] Figure 2 yes Figure 1 A top view of
[0018] Figure 3 It is a schematic diagram of the back side of the core board;
[0019] Figure 4 yes Figure 1 Schematic diagram of hidden core board;
[0020] Figure 5 yes Figure 1 Schematic side view of
[0021] Figure 6 is a schematic diagram of a mold frame for assembling a modular mold core;
[0022] Figure 7 It is the top view of the upper die;
[0023] Figure 8 It is an exploded schematic diagram of the mold core and mold frame;
[0024] Fig. 9 This is a schematic diagram after the mold core is assembled to the mold frame. DETAILED DESCRIPTION
[0025] The utility model is further described in detail below in conjunction with the accompanying drawings.
[0026] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.
[0027] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0028] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.
[0029] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0030] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.
[0031] Example:
[0032] like Figure 1 The figure shows a schematic diagram of a modular core mold, wherein the core mold 4 includes a core mold plate 401, a mold cavity group for producing coil products opened on the core mold plate 401, and an ejector pin group in contact with the mold cavity group and used to eject the completed coil products; the core mold plate 401 and the ejector pin group are a modular integral structure, and can be placed separately outside the mold frame to complete the step of placing the coil pins outside the mold frame.
[0033] The utility model uses the mold core as a separate integral part, and can perform operations such as pin insertion outside the mold frame (the mold core is arranged in the mold frame for product molding), avoiding the pin insertion operation in the mold frame, and has accurate positioning, the pin will not be deformed, the position is accurate, and disassembly and maintenance are convenient.
[0034] like Figure 2 Shown is Figure 1The top view of the mold cavity group includes 2N first cavities and N second cavities 404. The second cavity 404 is the path for the plastic to flow into the first cavity. Two of the first cavities are located outside the two ends of one of the second cavities. N of the first cavities and N / 2 of the second cavities 404 form a row. Another N of the first cavities and N / 2 of the second cavities 404 form a row. A total of two rows are symmetrically opened on the core plate 401. In this embodiment, there are 8 first cavities and 4 second cavities. N is 4, forming a Figure 2 The structure shown.
[0035] A coil core 402 is provided at the center of the first cavity. The coil core 402 is used to assist in fixing the semi-finished coil in the correct position of the first cavity. The first cavity is symmetrically provided with two pin holes 403, one on each side of the coil core 402. The pins are manually placed in the pin holes 403 with precise positioning, thus solving the problem of pin deformation due to position difference caused by the robot directly placing the pins into the mold core in the mold frame in the prior art.
[0036] Combination Figure 3 It is a schematic diagram of the back side of the core plate. The circumference of the first cavity is provided with a plurality of first ejector holes 408, and the second cavity 404 is provided with a second ejector hole 405. The first ejector holes 408 and the second ejector holes 405 are used to cooperate with the ejector group to eject the coil product. There are 48 first ejector holes 408 in total, divided into 8 groups, and 12 second ejector holes 405 in total, divided into 4 groups, to eject the product evenly.
[0037] like Figure 4 Shown is Figure 1 Schematic diagram of a hidden core plate, the ejector pin group includes a plurality of first ejector pins 411, a plurality of second ejector pins 412, two ejector pin plates 414, and two fixed plates 415; the plurality of first ejector pins 411 are divided into 2N groups and are respectively arranged in the first ejector pin holes 408, and the plurality of second ejector pins 412 are divided into N groups and are respectively arranged in the second ejector pins 412; the other ends of the plurality of first ejector pins 411 and the plurality of second ejector pins 412 are fixed on the ejector pin plate 414 in two rows, and the ejector pin plate 414 is fixed on the fixed plate 415, and when the fixed plate 415 is lifted up, the first ejector pins 411 and the second ejector pins 412 can be lifted up synchronously; the two ejector pin plates 414 are arranged in parallel and at intervals.
[0038] In this embodiment, there are 48 first ejector holes 408 in total, which are divided into 8 groups, there are 48 first ejector pins 411 in total, which are divided into 8 groups, there are 12 second ejector holes 405 in total, which are divided into 4 groups, and there are 12 second ejector pins 412 in total, which are divided into 4 groups, so as to eject the product evenly.
[0039] like Figure 3 As shown, combined Figure 4The core plate 401 is provided with a handle fixing hole 409 for assembling a fixing rod 410, and the fixing rod 410 is fixedly connected with a handle 406; the core plate 401 is also provided with a reset spring group 407. The handle 406 is used for the robot to grab, and the reset spring group 407 is used for the ejector pin to reset.
[0040] Figure 4 The middle reference numeral 413 is a module positioning auxiliary device, specifically a guide sleeve.
[0041] like Figure 5 Shown is Figure 1 From the side view, it can be seen that the ejector plates 414 are arranged in two rows for easy placement in the mold frame.
[0042] like Figure 6 As shown, a mold frame for assembling a modular mold core includes an upper mold 1 and a lower mold 2. The upper mold 1 has a groove on its surface, and two long holes 101 ( Figure 7 ) is used to install the mold core 4, and the ejector pin group of the mold core 4 is placed on the lower mold 2 after passing through the two long holes 101; the lower mold 2 is provided with a mold core ejector pin group for ejecting the mold core 4.
[0043] The utility model separates the mold core 4 from the mold frame, and the mold core exists alone, which is convenient for maintenance. The ejector pins, ejector pin plates, and fixing plates of the mold core 4 are all arranged in two rows, and the two rows of structures are embedded in the two long holes 101, so that the mold core plate 401 is located in the upper mold, and the ejector pins are located in the lower mold, which can ensure the stable installation of the mold core.
[0044] like Figure 6 As shown, the core ejector assembly includes a plurality of core ejectors 5 and a core ejector plate 6 for fixing the core ejectors 5. The core ejector plate 6 is fixed with a core ejector fixing plate 7. When the core ejector fixing plate 7 is lifted up, the core ejector 5 can eject the core 4. The core ejector 5 contacts the bottom surface of the core plate 401.
[0045] The lower die is also provided with a partition plate 8, which is used for positioning the two rows of ejector plates.
[0046] like Figure 8 The figure shows the exploded schematic diagram of the mold core and the mold frame. Fig. 9 The figure shows a schematic diagram of assembling the mold core to the mold frame, a method of using a modular mold core, assembling the pins of the coil product into the mold cavity group of the mold core 4, placing the mold core 4 as a whole into the mold frame, and after the coil product is formed, taking the mold core 4 out of the mold frame, and then ejecting the product.
[0047] Working principle:
[0048] The worker places the pin into the pin hole 403, and then the robot hooks the handle 406 to place the mold core 4 as a whole into the mold frame, covers the upper cover 3, and starts to mold the product. After molding, the mold core ejector 5 ejects the mold core 4, and the robot takes out the mold core 4, and the first ejector 411 and the second ejector 412 eject the product.
[0049] The above description is only a preferred implementation mode of the present invention, and does not limit the present invention in any form. Any simple modification, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are within the scope of the technical solution of the present invention.
Claims
1. A modular mold core, characterized in that: It comprises a core plate (401), a cavity group for producing coil products opened on the core plate (401), and an ejector pin group in contact with the cavity group and used for ejecting the coil products after production; the core plate (401) and the ejector pin group are a modular integral structure, and can be placed separately outside a mold frame to complete the step of placing coil pins outside the mold frame.
2. A modular mold core according to claim 1, characterized in that: The mold cavity group includes 2N first cavities and N second cavities (404), 2 of the first cavities are located outside the two ends of 1 of the second cavity, N of the first cavities and N / 2 of the second cavities (404) form a row, and another N of the first cavities and N / 2 of the second cavities (404) form a row, and a total of two rows are symmetrically opened on the core plate (401).
3. A modular mold core according to claim 2, characterized in that: A coil core (402) is arranged at the center of the first cavity, two pin holes (403) are symmetrically provided in the first cavity, a plurality of first ejector pin holes (408) are provided on the circumference of the first cavity, a second ejector pin hole (405) is provided in the second cavity (404), and the first ejector pin hole (408) and the second ejector pin hole (405) are used to cooperate with the ejector pin assembly to eject the coil product.
4. A modular mold core according to claim 3, characterized in that: The ejector pin group comprises a plurality of first ejector pins (411), a plurality of second ejector pins (412), two ejector pin plates (414), and two fixed plates (415); the plurality of first ejector pins (411) are divided into 2N groups and are respectively arranged in the first ejector pin holes (408); the plurality of second ejector pins (412) are divided into N groups and are respectively arranged in the second ejector pins (412); the other ends of the plurality of first ejector pins (411) and the plurality of second ejector pins (412) are fixed on the ejector pin plate (414) in two rows; the ejector pin plate (414) is fixed on the fixed plate (415); when the fixed plate (415) is lifted up, the first ejector pins (411) and the second ejector pins (412) can be lifted up synchronously; the two ejector pin plates (414) are arranged in parallel and at intervals.
5. A modular mold core according to claim 1, characterized in that: The core plate (401) is provided with a handle fixing hole (409) for assembling a fixing rod (410), and the fixing rod (410) is fixedly connected with a handle (406); the core plate (401) is also provided with a return spring group (407).
6. A mold frame for assembling a modular mold core, characterized in that: The invention comprises an upper mold (1) and a lower mold (2), wherein the upper mold (1) has a groove on its surface and two long holes (101) are provided in the groove for installing a modular mold core (4) as claimed in any one of claims 1 to 5, and the ejector pin group of the mold core (4) passes through the two long holes (101) and is placed on the lower mold (2); the lower mold (2) is provided with a mold core ejector pin group for ejecting the mold core (4).
7. A mold frame for assembling modular mold cores according to claim 6, characterized in that: The core ejector assembly comprises a plurality of core ejectors (5) and a core ejector plate (6) for fixing the core ejectors (5); the core ejector plate (6) is fixed with a core ejector fixing plate (7); when the core ejector fixing plate (7) is lifted up, the core ejector (5) can eject the core (4).