Injection molding equipment with flash removal function
By integrating a flash removal mechanism into injection molding equipment, which uses electromagnets and permanent magnets to drive the blades to automatically remove flash, the problem of time-consuming and labor-intensive manual flash removal in existing technologies is solved, thereby improving production efficiency and product quality.
Patent Information
- Application Number
- CN202520577768.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-31
AI Technical Summary
Existing injection molding equipment requires manual removal of flash generated during the injection process, which is time-consuming, labor-intensive, and inefficient.
An integrated flash removal mechanism is used inside the mold, which uses electromagnets and permanent magnets to drive the blades to automatically remove flash. Combined with a guide structure, this improves the mold closing accuracy and equipment stability.
It enables automatic removal of flash during injection molding, improving production efficiency and product quality while reducing the need for manual operation.
Smart Images

Figure CN223904441U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of injection molding equipment technology, and specifically to an injection molding equipment with flash removal function. Background Technology
[0002] Injection molding equipment refers to equipment that heats plastic raw materials and shapes them in a specific mold. During the injection molding process, flash is a common occurrence.
[0003] Traditional injection molding equipment lacks a mechanism for removing flash during operation, requiring manual removal of flash after injection molding, which is time-consuming and labor-intensive. Utility Model Content
[0004] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the present invention.
[0005] To address the problems in the existing technology, this utility model provides an injection molding equipment with flash removal function. The flash removal mechanism is integrated inside the mold, which can automatically remove flash during the injection molding process without subsequent manual processing, thereby improving efficiency and quality.
[0006] The technical solution adopted by this utility model to solve its technical problem is an injection molding equipment with flash removal, including a base plate, a lower mold, a top plate, an upper mold, a guide sleeve and a guide rod. The lower mold is connected to the top of the base plate through a support column. The upper mold is provided at the upper end of the lower mold. The upper mold is located at the lower end of the top plate. Mold cavities are provided near the upper mold and the lower mold. Injection ports for entering the mold cavities are provided at the top of the upper mold and the top plate.
[0007] The upper mold has pre-reserved slots at both ends of its bottom near the mold cavity. A flash removal mechanism is installed within each pre-reserved slot. This flash removal mechanism consists of a mounting plate, a first sleeve block, a fixing sleeve, a displacement rod, a connecting column, a connecting plate, and a blade. The mounting plate is installed at the top of the pre-reserved slot. A first sleeve block is located at one end of the bottom of the mounting plate. A fixing sleeve is installed inside the first sleeve block via screws. An electromagnet is installed at one end of the inner wall of the fixing sleeve via a fixing groove. A circular block is fitted inside the fixing sleeve. A displacement rod is connected to one end of the circular block, and a permanent magnet is installed at the other end of the circular block via a mounting groove. A second sleeve block is installed on the outer side of one end of the displacement rod via fastening screws. A connecting plate is connected to the bottom of the second sleeve block via a connecting column. A blade is fixed to the bottom of the connecting plate via countersunk screws.
[0008] By adopting the above technical scheme, when the electromagnet is connected to electricity, the permanent magnet can be pushed to move away from the electromagnet, so that the displacement rod, the connecting column, the connecting plate and the blade move a small distance towards the direction of the mold cavity, and when the model in the mold cavity is ejected, the blade is used to conveniently remove the flash of the model edge.
[0009] Specifically, the bottom of the top plate is provided with guide rods near the corners, and the top of the bottom plate is provided with guide sleeves near the corners.
[0010] By adopting the above technical scheme, the guide rods are arranged at the bottom of the top plate, and the guide sleeves are arranged at the top of the bottom plate, so that the guiding accuracy during mold closing can be improved, the upper and lower molds can be aligned, the possibility of flash generation can be reduced, and the stability and service life of the equipment can be improved.
[0011] Specifically, the top of the bottom plate is provided with a servo cylinder through a fixing seat, a displacement plate is connected to the power output end of the servo cylinder, and a thimble is arranged at both ends of the bottom of the lower mold through a reserved hole.
[0012] Specifically, the two groups of thimbles are respectively welded at both ends of the top of the displacement plate.
[0013] By adopting the above technical scheme, the thimbles are welded on the displacement plate, so that the thimbles can be driven to move up and down synchronously when the thimbles move up and down, the thimbles are used to eject the formed products, the ejecting force and position can be accurately controlled, and the products can be prevented from being deformed or damaged.
[0014] Specifically, a second wiring hole is formed in one end of the fixing sleeve.
[0015] Specifically, a first wiring hole is formed in each end of the upper mold and communicates with the reserved groove.
[0016] Specifically, an internal thread is arranged at the inner side of the top end of the injection port.
[0017] By adopting the above technical scheme, the internal thread at the inner side of the top end of the injection port is convenient for replacing or adjusting the injection nozzle, improves the flexibility and applicability of the equipment, and is convenient for maintaining or upgrading the injection system.
[0018] The utility model discloses the beneficial effects of the following:
[0019] The utility model discloses a kind of flash removal injection molding equipment with fly edge, electromagnetic force generated when electromagnet is connected is used to push permanent magnet to move inwards, so that blade moves to the direction of the model edge in mould cavity, when the model in mould cavity is ejected, the flash of model edge is removed using blade conveniently, the molding equipment is integrated with flash removal mechanism in mould, can automatically remove flash in injection molding process, without subsequent manual processing, improve efficiency and quality. BRIEF DESCRIPTION OF DRAWINGS
[0020] The utility model is further described below in connection with drawings and examples.
[0021] Figure 1 It is whole structure schematic diagram of the utility model;
[0022] Figure 2 It is flash removal mechanism structure schematic diagram of the utility model;
[0023] Figure 3 It is flash removal mechanism cut structure schematic diagram of the utility model;
[0024] Figure 4 It is axonometric drawing of the utility model.
[0025] In the drawing: 1, bottom plate;2, servo cylinder;3, displacement plate;4, thimble;5, pillar;6, lower mould;7, top plate;8, upper mould;9, injection port;10, internal thread;11, guide sleeve;12, guide rod;13, reserved slot;14, flash removal mechanism;15, first wiring hole;16, mounting plate;17, first sleeve block;18, fixed sleeve;19, displacement rod;20, second sleeve block;21, connecting column;22, connecting plate;23, blade;24, electromagnet;25, permanent magnet;26, round block;27, second wiring hole. DETAILED DESCRIPTION
[0026] Make the above purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiment of the utility model is explained in detail below in connection with the drawing of specification.
[0027] In the following description, a lot of specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from the description, and those skilled in the art can make similar generalization without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.
[0028] Secondly, the "one embodiment" or "embodiments" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. The "in one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an embodiment that is independent or alternative to other embodiments.
[0029] In order to make the present molding equipment integrated with the flash removing mechanism inside the mold, the flash can be automatically removed during the injection molding process, without subsequent manual processing, so as to improve the efficiency and quality, such as Figures 1-4 As shown in the utility model discloses a kind of with the injection molding equipment of flash removal, including bottom plate 1, lower mould 6, top plate 7, upper mould 8, guide sleeve 11 and guide rod 12, the bottom plate 1 top is connected with lower mould 6 by support 5, the lower mould 6 upper end is provided with upper mould 8, the upper mould 8 is located the lower end of top plate 7, the upper mould 8 and lower mould 6 are close to place and are provided with mould cavity, the upper mould 8 and the top of top plate 7 are provided with injection port 9 into the mould cavity;
[0030] The upper mould 8 bottom two ends close to the both ends of the mould cavity are provided with reserved groove 13, the reserved groove 13 is provided with flash removing mechanism 14, the flash removing mechanism 14 is composed of mounting plate 16, first sleeve block 17, fixed sleeve 18, displacement rod 19, connecting column 21, connecting plate 22 and blade 23, the mounting plate 16 is installed in the top of the reserved groove 13, the mounting plate 16 bottom one end is provided with first sleeve block 17, the first sleeve block 17 inner side is provided with fixed sleeve 18 by screw, the fixed sleeve 18 inner wall one end is provided with electromagnet 24 by fixed groove, the fixed sleeve 18 is provided with circular block 26, the circular block 26 one end is connected with displacement rod 19, the circular block 26 other end is provided with permanent magnet 25 by mounting groove, the displacement rod 19 one end outer side is provided with second sleeve block 20 by fastening screw, the second sleeve block 20 bottom is connected with connecting plate 22 by connecting column 21, the connecting plate 22 bottom is fixed with blade 23 by countersunk screw.
[0031] In use, when electromagnet 24 is connected, it can push permanent magnet 25 to move away from electromagnet 24, so that displacement rod 19, connecting column 21, connecting plate 22 and blade 23 move a small distance towards the mould cavity, when the model in the mould cavity is ejected, the flash on the edge of the model is removed conveniently by blade 23.
[0032] As shown in the utility model discloses a kind of with the injection molding equipment of flash removal, including bottom plate 1, lower mould 6, top plate 7, upper mould 8, guide sleeve 11 and guide rod 12, the bottom plate 1 top is connected with lower mould 6 by support 5, the lower mould 6 upper end is provided with upper mould 8, the upper mould 8 is located the lower end of top plate 7, the upper mould 8 and lower mould 6 are close to place and are provided with mould cavity, the upper mould 8 and the top of top plate 7 are provided with injection port 9 into the mould cavity; Figure 1 And Figure 4 As shown in the utility model discloses a kind of with the injection molding equipment of flash removal, including bottom plate 1, lower mould 6, top plate 7, upper mould 8, guide sleeve 11 and guide rod 12, the bottom plate 1 top is connected with lower mould 6 by support 5, the lower mould 6 upper end is provided with upper mould 8, the upper mould 8 is located the lower end of top plate 7, the upper mould 8 and lower mould 6 are close to place and are provided with mould cavity, the upper mould 8 and the top of top plate 7 are provided with injection port 9 into the mould cavity; The bottom of top plate 7 close to corner place is provided with guide rod 12, the top of bottom plate 1 close to corner place is provided with guide sleeve 11, the bottom end of guide rod 12 is located in corresponding guide sleeve 11.
[0033] In use, the guide rod 12 is at the bottom of the top plate, and the guide sleeve 11 is at the top of the bottom plate, which can improve the guiding accuracy when the mold is closed, ensure the alignment of the upper and lower molds, reduce the possibility of flash generation, and increase the stability and service life of the equipment.
[0034] As shown in the drawings, Figure 1 The utility model discloses further include, the bottom plate 1 top is equipped with servo cylinder 2 through fixed seat, the power output end of servo cylinder 2 is connected with displacement plate 3, and the bottom of lower mould 6 both ends are equipped with thimble 4 through the reserved hole, and the top end of thimble 4 is located the bottom of the cavity of lower mould 6.
[0035] In use, the servo cylinder 2 can drive the displacement plate 3 to move up and down when working.
[0036] As shown in the drawings, Figure 1 The utility model discloses further include, two groups thimble 4 are welded respectively in the top of displacement plate 3 both ends.
[0037] In use, the thimble 4 is welded on the displacement plate 3, so that the thimble 4 can be driven to move up and down synchronously when moving up and down, and the thimble 4 is used to eject the product after forming, which can realize accurate control of ejecting force and position and avoid product deformation or damage.
[0038] As shown in the drawings, Figure 3 The utility model discloses further include, one end of fixed sleeve 18 is equipped with second wiring hole 27.
[0039] In use, the second wiring hole 27 is convenient for wiring the power supply line of electromagnet 24.
[0040] As shown in the drawings, Figure 1 The utility model discloses further include, the both ends of upper mould 8 are equipped with first wiring hole 15 with reserved groove 13 intercommunication.
[0041] In use, the first wiring hole 15 is convenient for the external power supply line to enter the reserved groove 13.
[0042] As shown in the drawings, Figure 1 And Figure 4 The utility model discloses further include, the inside of the top end of injection port 9 is equipped with internal thread 10.
[0043] In use, the internal thread 10 on the inside of the top end of injection port 9 is convenient for replacing or adjusting the injection nozzle, improves the flexibility and applicability of the equipment, and is convenient for maintaining or upgrading the injection system.
[0044] The utility model discloses when using, the outside injection molding nozzle is connected with injection molding mouth 9 through the threaded joint, and the molten plastic in injection molding enters the cavity between upper mould 8 and lower mould 6 in upper mould 8 and is shaped, after shaping, the top plate 7 and upper mould 8 are lifted upwards, and the displacement plate 3 and the thimble 4 are driven to the top lift by servo electric jar 2, and the plastic piece in the cavity is ejected;
[0045] The first wiring hole 15 is convenient for the external power supply line to enter the reserved groove 13, and the second wiring hole 27 is convenient for wiring of the power supply line of the electromagnet 24.
[0046] When the electromagnet 24 is connected, the electromagnetic force is generated, the permanent magnet 25 can be pushed to the direction away from the electromagnet 24, so that the displacement rod 19, the connecting column 21, the connecting plate 22 and the blade 23 move to the direction close to the cavity by a small distance, when the model in the cavity is ejected, the blade 23 is convenient for removing the flash of the model edge, the present forming equipment integrates the flash removing mechanism in the mold, can automatically remove the flash in the injection molding process, without subsequent manual processing, improve the efficiency and quality.
[0047] Importantly, it should be noted that the constructions and arrangements of the present application shown in the various exemplary embodiments are by way of illustration only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed can be constructed of multiple parts or elements, the position of elements can be reversed or otherwise varied, and the nature or number of elements or positions can be altered or varied. Accordingly, all such modifications are intended to be included within the scope of the present application. The order or sequence of any process or method steps can be changed or re-sequenced without departing from the scope of the application. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating conditions, and arrangement of the exemplary embodiments without departing from the scope of the present application. Accordingly, the present application is not limited to particular embodiments described, but extends to various modifications that nevertheless fall within the scope of the appended claims.
[0048] Furthermore, in order to provide a concise description of exemplary embodiments, all features of an actual implementation can not be described (i.e., those unrelated to the best mode of carrying out the present application currently under consideration or those unrelated to enabling the present application).
[0049] It is to be understood that the development making of the numerous implementation decisions during the development of any embodiment is a design choice. These development efforts would be evolutionary unless otherwise decided by practice, experimentation and experience.
[0050] It should be noted that the above examples are only used to illustrate the technical solutions of the present application but not limit the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or equivalently replaced without departing from the spirit and scope of the present application, and all modifications and equivalent replacements should be included in the scope of the claims of the present application.
Claims
1. An injection molding equipment with flash removal function, characterized in that, It includes a base plate (1), a lower mold (6), a top plate (7), an upper mold (8), a guide sleeve (11), and a guide rod (12). The bottom plate (1) is connected to the lower mold (6) by a support column (5). The upper mold (8) is provided on the upper end of the lower mold (6). The upper mold (8) is located at the lower end of the top plate (7). The upper mold (8) and the lower mold (6) are provided with mold cavities near each other. The top of the upper mold (8) and the top plate (7) are provided with injection ports (9) that lead into the mold cavities. The upper mold (8) has reserved slots (13) at both ends of its bottom near the mold cavity. A flash removal mechanism (14) is installed in each reserved slot (13). The flash removal mechanism (14) consists of a mounting plate (16), a first sleeve block (17), a fixing sleeve (18), a displacement rod (19), a connecting column (21), a connecting plate (22), and a blade (23). The mounting plate (16) is installed at the top of the reserved slot (13). A first sleeve block (17) is provided at one end of the bottom of the mounting plate (16). The inner side of the first sleeve block (17) is fitted with screws. A fixed sleeve (18) is provided with an electromagnet (24) at one end of the inner wall of the fixed sleeve (18) through a fixed groove. A circular block (26) is provided inside the fixed sleeve (18). A displacement rod (19) is connected to one end of the circular block (26). A permanent magnet (25) is provided at the other end of the circular block (26) through an installation groove. A second sleeve block (20) is installed on the outer side of one end of the displacement rod (19) through a fastening screw. A connecting plate (22) is connected to the bottom of the second sleeve block (20) through a connecting post (21). A blade (23) is fixed to the bottom of the connecting plate (22) through a countersunk screw.
2. The injection molding equipment with flash removal function according to claim 1, characterized in that, The top plate (7) is provided with guide rods (12) near the corner at the bottom, and the bottom plate (1) is provided with guide sleeves (11) near the corner at the top. The bottom ends of the guide rods (12) are located inside the corresponding guide sleeves (11).
3. The injection molding equipment with flash removal function according to claim 1, characterized in that, A servo electric cylinder (2) is mounted on the top of the base plate (1) via a fixed seat. The power output end of the servo electric cylinder (2) is connected to a displacement plate (3). Both ends of the bottom of the lower mold (6) are provided with ejector pins (4) through reserved holes. The top of the ejector pins (4) is located at the bottom of the mold cavity of the lower mold (6).
4. The injection molding equipment with flash removal function according to claim 3, characterized in that, The two sets of ejector pins (4) are respectively welded to the top two ends of the displacement plate (3).
5. The injection molding equipment with flash removal function according to claim 1, characterized in that, The fixing sleeve (18) has a second wiring hole (27) through one end.
6. The injection molding equipment with flash removal function according to claim 1, characterized in that, Both ends of the upper mold (8) are provided with first wiring holes (15) that communicate with the reserved slot (13).
7. The injection molding equipment with flash removal function according to claim 1, characterized in that, An internal thread (10) is provided on the inner side of the top of the injection port (9).