Oven base injection mold and manufacturing equipment

Abstract

The utility model discloses an oven base injection mold and manufacturing equipment, the oven base injection mold comprises a base, two support columns, a rear mold plate, a front mold plate and a top mold plate which are sequentially arranged from bottom to top, and the two support columns are respectively arranged on two sides of the top surface of the base and are used for supporting the rear mold plate. The front mold plate is provided with an upper mold core, the rear mold plate is provided with a lower mold core, the upper mold core is in a groove shape and covers the lower mold core so as to form a cavity with the lower mold core, the upper mold core is provided with a plurality of forming bosses, the two ends of the upper mold core in the length direction are provided with forming convex columns, the lower mold core is provided with a plurality of forming concave positions, and the forming convex columns are arranged on the forming concave positions. The forming concave positions correspond to the forming bosses in a one-to-one mode and are used for forming the heat dissipation holes, the two ends, in the length direction, of the lower mold core are provided with receding positions, the rear mold plate is provided with inserts, the inserts are arranged in the receding positions in a penetrating mode, and the receding positions correspond to the forming convex columns in position and are used for forming the positioning grooves and the mounting holes.

Description

Technical Field

[0001] The utility model relates to the technical field of kitchen appliance manufacturing, in particular to an injection mold for an oven base and manufacturing equipment. Background Art

[0002] Reference Figure 1 The invention provides an oven base comprising a grooved shell with a plurality of heat dissipation holes evenly distributed therein. Positioning slots are provided at both ends of the shell along its length, each containing a mounting hole for mounting the oven body. The positioning slots are located on the inner side of the shell. In related art, the oven base serves as a key component for support and heat dissipation, and its structural design directly impacts the overall performance and service life of the oven. Traditional production methods for oven bases often suffer from low production efficiency and poor finished product precision, making them unsuitable for production and use. Utility Model Content

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention provides an oven base injection mold that can efficiently and accurately manufacture an oven base with specific heat dissipation holes and mounting structures to meet the functional and design requirements of oven products.

[0004] The utility model also provides an oven base manufacturing device having the oven base injection mold.

[0005] According to the injection mold of the oven base of the first aspect embodiment of the present utility model, the oven base includes a groove-shaped shell, the shell is evenly provided with a plurality of heat dissipation holes, the shell is provided with positioning grooves at both ends along the length direction, the positioning grooves are provided with mounting holes for installing the oven body, the positioning grooves are located on the inner side of the shell, and the injection mold of the oven base includes a base, a pillar, a rear template, a front template and a top template arranged in sequence from bottom to top, and there are two pillars, which are respectively provided on both sides of the top surface of the base for supporting the rear template. The front template is provided with an upper mold core, which is groove-shaped and covers the lower mold core to form a mold cavity with the lower mold core. The upper mold core is provided with a plurality of molding bosses. The upper mold core is provided with molding protrusions at both ends along the length direction. The lower mold core is provided with a plurality of molding recesses, and the molding recesses correspond one-to-one with the molding protrusions for forming the heat dissipation holes. The lower mold core is provided with avoidance positions at both ends along the length direction. The rear template is provided with an insert, which is passed through the avoidance position. The avoidance position corresponds to the position of the molding protrusion for forming the positioning groove and the mounting hole.

[0006] The injection mold for the oven base according to the embodiment of the utility model has at least the following beneficial effects: the molten plastic material is injected into the cavity formed by the glue injection nozzle of the nail template and the upper mold core of the front template and the lower mold core of the rear template. The plastic cools and solidifies in the cavity to form an oven base with heat dissipation holes, positioning grooves and mounting holes. The mold is then demoulded, the oven base is taken out, and subsequent processing is carried out to complete the entire production process. By arranging a forming boss on the upper mold core, which cooperates with the forming recess of the lower mold core, uniform heat dissipation holes are formed, which effectively improves the heat dissipation performance of the oven base and extends the service life of the oven. The upper mold core and the lower mold core in the mold are precisely designed to ensure the molding accuracy of the heat dissipation holes, positioning grooves and mounting holes, so that the size and shape of the oven base meet the design requirements.

[0007] According to some embodiments of the present invention, the lower mold core includes a first forming platform and a second forming platform, and the first forming platform and the second forming platform are spliced ​​with each other.

[0008] According to some embodiments of the present invention, a positioning groove is provided on the side wall of the first forming table facing the second forming table, and a positioning protrusion is correspondingly provided on the second forming table. The positioning protrusion is embedded in the positioning groove to position the first forming table and the second forming table for mutual splicing.

[0009] According to some embodiments of the present invention, the rear template is provided with a plurality of positioning posts, and the lower mold core is correspondingly provided with a plurality of positioning holes, and the positioning posts are inserted into the positioning holes.

[0010] According to some embodiments of the present invention, the rear template is provided with a slider, and the slider is located adjacent to the lower mold core. The upper mold core is provided with a accommodating groove to accommodate the slider. The upper mold core, the lower mold core and the slider together constitute the mold cavity. The slider is provided with a guide groove, and the guide groove is inclined toward the outside from the lower mold core. A guide column is provided in the guide groove, and the guide column is inserted into the guide groove. When the front template is separated from the rear template, the guide column abuts the side wall of the guide groove to drive the slider to slide away from the lower mold core.

[0011] According to some embodiments of the present invention, a ejecting assembly is provided at the bottom of the lower mold core, the ejecting assembly passes through the rear mold plate and is slidably connected to the base, and the lower mold core moves toward the rear mold plate to drive the lower mold core to eject the formed oven base.

[0012] According to some embodiments of the present invention, the top template is provided with a glue injection nozzle and a glue injection channel, and the glue injection channel connects the glue injection nozzle and the mold cavity.

[0013] According to the second embodiment of the present invention, an oven base manufacturing device includes the oven base injection mold as described in any one of the above items.

[0014] The oven base manufacturing equipment according to the present invention has at least the following beneficial effects: By integrating injection molds with other auxiliary equipment such as injection molding machines, the equipment achieves automated production of oven bases. The equipment has a compact overall structure, is easy to operate, and has high production efficiency, meeting the needs of large-scale production.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0017] Figure 1 A schematic diagram of an oven base according to an embodiment of the present invention;

[0018] Figure 2 This is an exploded schematic diagram of the injection mold for the oven base according to an embodiment of the present invention;

[0019] Figure 3 This is a schematic diagram of the lower mold core of the injection mold for the oven base according to an embodiment of the present utility model;

[0020] Figure 4 This is a schematic bottom view of the front template of the injection mold for the oven base according to an embodiment of the present invention;

[0021] Figure 5 This is a cross-sectional schematic diagram of the injection mold for the oven base according to an embodiment of the present invention.

[0022] Figure numerals: oven base 100; heat dissipation hole 110; positioning groove 120; mounting hole 130; base 200; pillar 210; top material assembly 220; rear template 300; lower mold core 310; first forming platform 310a; second forming platform 310b; forming recess 311; avoidance position 312; insert 313; positioning hole 314; positioning groove 315; slider 320; guide groove 321; guide column 322; front template 400; upper mold core 410; forming boss 411; forming boss 412; accommodating groove 420; top template 500; injection nozzle 510; cavity 600. DETAILED DESCRIPTION

[0023] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0024] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0025] In the description of this utility model, "several" means one or more, "many" means more than two, "greater than," "less than," and "exceed" are understood to exclude the number itself, while "above," "below," and "within" are understood to include the number itself. The use of "first" and "second" in the description is solely for the purpose of distinguishing technical features and is not to be construed as indicating or implying relative importance, implicitly specifying the number of the indicated technical features, or implicitly specifying the order of the indicated technical features.

[0026] In the description of this utility model, unless otherwise expressly defined, terms such as "set," "install," and "connect" should be interpreted broadly. Those skilled in the art can reasonably determine the specific meanings of these terms in the present utility model based on the specific content of the technical solution. In the description of this utility model, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with such embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of these terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any appropriate manner in any one or more embodiments or examples. In the description of this specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with such embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of these terms does not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0027] Reference Figure 1The invention provides an oven base 100, which includes a groove-shaped housing with a plurality of heat dissipation holes 110 evenly distributed therein. Positioning slots 120 are provided at both ends of the housing along its length. Mounting holes 130 are provided within the positioning slots 120 for mounting the oven body. The positioning slots 120 are located on the inner side of the housing. In the related art, the oven base 100 is a key component for supporting and dissipating heat, and its structural design directly affects the overall performance and service life of the oven. Traditional production methods for oven bases 100 often suffer from low production efficiency and poor finished product precision, making them unsuitable for production and use.

[0028] For this purpose, refer to Figure 2 、 Figure 3 、 Figure 4 and Figure 5 The utility model proposes an injection mold for an oven base 100, comprising a base 200, a pillar 210, a rear template 300, a front template 400 and a top template 500 arranged in sequence from bottom to top. There are two pillars 210, which are arranged on both sides of the top surface of the base 200 to support the rear template 300. The front template 400 is provided with an upper mold core 410, which is groove-shaped and covers the lower mold core 310 to form a mold cavity 600 with the lower mold core 310. The upper mold core 410 is provided with a plurality of molding bosses 411. The upper mold core 410 is provided with molding protrusions 412 at both ends along the length direction. The lower mold core 310 is provided with a plurality of molding recesses 311. The molding recesses 311 correspond one-to-one to the molding protrusions 411 and are used to form the heat dissipation holes 110. The lower mold core 310 is provided with avoidance positions 312 at both ends along the length direction. The rear template 300 is provided with an insert 313. The insert 313 is passed through the avoidance position 312. The avoidance position 312 corresponds to the position of the molding protrusion 412 and is used to form the positioning groove 120 and the mounting hole 130.

[0029] Specifically, the base 200 serves as the foundation of the entire mold, supporting the entire mold structure and ensuring stability during the injection molding process. Two pillars 210 are provided, located on either side of the top surface of the base 200, to support the rear mold plate 300 and ensure that the rear mold plate 300 does not deform during the injection molding process. The rear mold plate 300 is provided with an insert 313, which is inserted into the escapement 312. The position of the escapement 312 corresponds to the molding protrusion 412 of the upper mold core 410. The design of the insert 313 enables the positioning groove 120 and the mounting hole 130 to be precisely formed. The front mold plate 400 is provided with an upper mold core 410. The upper mold core 410 is groove-shaped and is used to form the mold cavity 600 with the lower mold core 310. The upper mold core 410 is provided with a number of molding bosses 411 and molding protrusions 412, which are used to form the two side structures of the heat dissipation hole 110 and the positioning groove 120, respectively. In a specific embodiment, molten plastic material is injected into the mold cavity 600 formed by the upper mold core 410 of the front mold plate 400 and the lower mold core 310 of the rear mold plate 300 using the glue injection nozzle 510 of the nail mold plate. The plastic material cools and solidifies within the mold cavity 600, forming the oven base 100 with the heat dissipation holes 110, the positioning grooves 120, and the mounting holes 130. The oven base 100 is then removed from the mold and processed, completing the entire production process.

[0030] It should be noted that the formation of the protrusions 411 on the upper mold core 410, which cooperate with the recesses 311 on the lower mold core 310, creates uniform heat dissipation holes 110, effectively improving the heat dissipation performance of the oven base 100 and extending the oven's service life. The precise design of the upper and lower mold cores 410 and 310 ensures the precision of the heat dissipation holes 110, positioning grooves 120, and mounting holes 130, ensuring that the size and shape of the oven base 100 meet design requirements.

[0031] Reference Figure 2 and Figure 3 Specifically, the lower mold core 310 is divided into two parts: a first molding platform 310a and a second molding platform 310b. These two parts are spliced ​​together before injection molding to form a complete lower mold core 310 structure. During splicing, the positioning groove 315 provided on the side wall of the first molding platform 310a cooperates with the corresponding positioning protrusion on the second molding platform 310b, and precise positioning is achieved through embedding, ensuring that the two parts maintain a stable docking state during the injection molding process, preventing injection defects caused by dislocation. The positioning groove 315 and the positioning protrusion further enhance the connection stability between the first molding platform 310a and the second molding platform 310b. The positioning protrusion is precisely embedded in the positioning groove 315, which not only achieves precise positioning, but also enhances the overall rigidity of the structure through physical contact, reducing the risk of deformation during the injection molding process.

[0032] It should be noted that the lower mold core 310 adopts a split structure, which makes the lower mold core 310 more flexible and convenient during maintenance and replacement. When a part of the mold is worn or damaged, only the corresponding split part needs to be replaced without replacing the entire mold, thereby reducing maintenance costs and time. In addition, the first forming table 310a and the second forming table 310b can be processed and manufactured separately, which helps to reduce the difficulty and complexity of processing. Each part can be fine-machined independently to ensure the dimensional accuracy and surface quality of each part, and then assembled through a precise positioning device to form a complete lower mold core 310. Furthermore, compared with the integral lower mold core 310 structure, the manufacturing cost of the split lower mold core 310 is generally lower. This is because the split structure allows the use of simpler processing methods and less materials to manufacture each part, and the manufacturing cost can be reduced through standardized and modular design.

[0033] Reference Figure 2 In some embodiments, the positioning posts on the rear mold plate 300 correspond one-to-one with the positioning holes 314 on the lower mold core 310, enabling precise positioning between the rear mold plate 300 and the lower mold core 310 through plug-in connection. This design simplifies the mold assembly process, improves production efficiency, and ensures stable relative positioning of the components during the injection molding process.

[0034] Further, refer to Figure 2 and Figure 5 The slider 320 on the rear mold plate 300 cooperates with the receiving groove 420 of the upper mold core 410 to form a portion of the mold cavity 600. The guide groove 321 on the slider 320 is inclined outward from the lower mold core 310, and the guide post 322 in the receiving groove 420 of the upper mold core 410 is inserted into the guide groove 321. After the injection molding is completed and the front mold plate 400 is separated from the rear mold plate 300, the guide post 322 will abut the sidewall of the guide groove 321, thereby driving the slider 320 to slide away from the lower mold core 310, completing the mold opening and facilitating the removal of the formed oven base 100.

[0035] Reference Figure 2 and Figure 5 In some embodiments, the ejector assembly 220 disposed at the bottom of the lower mold core 310 passes through the rear mold plate 300 and is slidably connected to the base 200. When injection molding is completed and the mold is opened, the ejector assembly 220 moves upward, driving the lower mold core 310 upward, thereby ejecting the formed oven base 100 from the mold. This design simplifies the removal process and improves production efficiency.

[0036] Reference Figure 2It should be noted that the glue injection nozzle 510 and glue injection channel provided on the top plate 500 constitute the glue injection system of the injection mold. The glue injection nozzle 510 is used to connect to the nozzle of the injection molding machine to inject the molten plastic material into the mold; the glue injection channel is responsible for guiding the plastic material into the cavity 600, ensuring that the plastic fills the cavity 600 evenly and fully, forming a complete oven base 100.

[0037] The present invention also provides a manufacturing apparatus for an oven base 100, comprising an injection mold for the oven base 100 as described above. By integrating the injection mold with auxiliary equipment such as an injection molding machine, the apparatus achieves automated production of the oven base 100. The apparatus has a compact overall structure, is easy to operate, and has high production efficiency, meeting the needs of large-scale production.

[0038] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. An injection mold for an oven base, the oven base comprising a groove-shaped shell, the shell being evenly provided with a plurality of heat dissipation holes, the shell being provided with positioning grooves at both ends along the length direction, the positioning grooves being provided with mounting holes for mounting the oven body, the positioning grooves being located on the inner side of the shell, characterized in that: include: A base, a support, a rear template, a front template and a top template are arranged in sequence from bottom to top, wherein two support pillars are provided, which are respectively arranged on both sides of the top surface of the base for supporting the rear template; The front template is provided with an upper mold core, and the rear template is provided with a lower mold core. The upper mold core is groove-shaped and covers the lower mold core to form a mold cavity with the lower mold core. The upper mold core is provided with a plurality of molding bosses. The upper mold core is provided with molding protrusions at both ends along the length direction. The lower mold core is provided with a plurality of molding recesses. The molding recesses correspond one-to-one with the molding protrusions and are used for forming the heat dissipation holes. The lower mold core is provided with avoidance positions at both ends along the length direction. The rear template is provided with an insert, which is passed through the avoidance position. The avoidance position corresponds to the position of the molding protrusion and is used for forming the positioning groove and the mounting hole.

2. The oven base injection mold according to claim 1, characterized in that: The lower mold core includes a first forming platform and a second forming platform, and the first forming platform and the second forming platform are spliced ​​with each other.

3. The oven base injection mold according to claim 2, characterized in that: A positioning groove is provided on the side wall of the first forming table facing the second forming table, and a positioning convex point is correspondingly provided on the second forming table. The positioning convex point is embedded in the positioning groove to position the first forming table and the second forming table for mutual splicing.

4. The oven base injection mold according to claim 1, characterized in that: The rear mold plate is provided with a plurality of positioning columns, and the lower mold core is correspondingly provided with a plurality of positioning holes, and the positioning columns are inserted into the positioning holes.

5. The oven base injection mold according to claim 1, characterized in that: The rear template is provided with a slider, and the slider is located adjacent to the lower mold core. The upper mold core is provided with a accommodating groove to accommodate the slider. The upper mold core, the lower mold core and the slider together constitute the mold cavity. The slider is provided with a guide groove, and the guide groove is inclined toward the outside from the lower mold core. A guide column is provided in the accommodating portion, and the guide column is inserted into the guide groove. When the front template is separated from the rear template, the guide column abuts the side wall of the guide groove to drive the slider to slide away from the lower mold core.

6. The oven base injection mold according to claim 1, characterized in that: A ejector assembly is provided at the bottom of the lower mold core, and the ejector assembly passes through the rear mold plate and is slidably connected to the base. The lower mold core moves toward the rear mold plate to drive the lower mold core to eject the formed oven base.

7. The oven base injection mold according to claim 1, characterized in that: The top template is provided with a glue injection nozzle and a glue injection flow channel, and the glue injection flow channel connects the glue injection nozzle and the mold cavity.

8. An oven base manufacturing device, characterized in that: The invention comprises the oven base injection mold according to any one of claims 1 to 7.

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