Shell main body injection mold and molding device

Abstract

The utility model discloses a shell main body injection mold and a forming device, the shell main body injection mold comprises a base, two support columns, a rear template, a front template, a runner template and a top template 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 template. The rear mold plate is provided with a lower mold core, two end face mold cores and two side mold cores, the two end face mold cores are arranged at the two ends of the lower mold core respectively and used for forming the two ends of a shell body, the two side mold cores are arranged on the two sides of the lower mold core respectively and used for side wall forming, the front mold plate is provided with an upper mold core, and a plurality of protruding columns are arranged on the bottom face of the upper mold core and used for bayonet forming. A forming protruding block is arranged on the side, facing the lower die core, of the side die core, a step is formed between the peripheral wall of the forming protruding block and the peripheral edge of the side die core, the forming protruding block is used for frame groove forming and is also provided with a plurality of protruding columns used for bayonet forming, and the upper die core, the lower die core, the side die core and the end face die core jointly form a cavity.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding equipment, in particular to an injection mold for a shell body and a molding device. Background Art

[0002] Reference Figure 1 , a shell body structure made of plastic is proposed, which is a groove-shaped structure with openings on the lower side and both ends, including a bottom wall and two side walls arranged on both sides of the bottom wall, and the bottom wall and the side walls are both provided with a plurality of through-going bayonet holes, wherein the bottom wall is a plane, and the outer surface of the side wall is provided with a frame groove, and the bayonet hole is located in the frame groove. In the related art, the shell body needs to be processed for the frame groove and the bayonet hole after injection molding, which requires high labor cost and low production efficiency. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a shell body injection mold, which can form a shell body structure with a frame groove and a plurality of bayonet holes in one step, thereby improving production efficiency.

[0004] The utility model also provides a shell body molding device having the shell body injection mold.

[0005] According to the shell body injection mold of the first aspect of the utility model embodiment, the shell body is a groove-shaped structure with openings on the lower side and both ends, including a bottom wall and two side walls arranged on both sides of the bottom wall, the bottom wall and the side walls are both provided with a plurality of penetrating bayonet holes, wherein the bottom wall is a plane, and the outer surface of the side wall is provided with a frame groove, and the bayonet hole is located in the frame groove, the shell body injection mold includes a base, a pillar, a rear template, a front template, a runner template and a top template arranged in sequence from bottom to top, and there are two pillars, which are arranged on both sides of the top surface of the base for supporting the rear template. The rear template is provided with a lower mold core, two end mold cores and two side mold cores. The two end mold cores are respectively arranged at the two ends of the lower mold core for molding the two ends of the shell body. The two side mold cores are respectively arranged on both sides of the lower mold core for molding the side walls. The front template is provided with an upper mold core. The bottom surface of the upper mold core is provided with a plurality of convex columns for the bayonet molding. The side mold core is provided with a molding protrusion on the side facing the lower mold core. A step is formed between the peripheral wall of the molding protrusion and the peripheral edge of the side mold core. The molding protrusion is used for the frame groove molding. The molding protrusion is also provided with a plurality of convex columns for the bayonet molding. The upper mold core, the lower mold core, the side mold core and the end mold core together constitute a cavity.

[0006] The shell body injection mold according to the embodiment of the utility model has at least the following beneficial effects: the side wall and bottom wall of the shell body are both irregularly distributed bayonet, and the side wall has a frame groove structure, and the upper mold core is correspondingly provided with corresponding convex columns, and the side mold core is provided with a molding convex block to correspond to the frame groove structure, and a convex column is provided on the molding convex block to correspond to the bayonet molding of the side wall, and at the same time, the lower mold core is correspondingly provided with a corresponding abutment surface to cooperate with the side mold core and the upper mold core for molding, and the end mold core is provided with a corresponding convex portion extending into the side mold core corresponding to the openings at both ends of the shell body to cooperate with the upper mold core, the side mold core and the lower mold core to form a cavity, and then inject glue to form it in one time. The shell body structure with a frame groove and a plurality of bayonet can be formed in one time without secondary processing, which reduces labor costs and improves production efficiency.

[0007] According to some embodiments of the utility model, the side mold core is provided with a side insert, and the side insert is flush with the surface of the molding protrusion to cooperate in molding the side wall.

[0008] According to some embodiments of the utility model, one side mold core is provided with four side inserts, two of which are located in the same vertical line and are inclined relative to each other to cooperate with the surface of the side mold core to form the side wall.

[0009] According to some embodiments of the utility model, a side of the side insert flush with the surface of the side mold core is provided with a ditching inclined wall so that the end face of the side insert is flush with the surface of the side mold core.

[0010] According to some embodiments of the utility model, the lower mold core is provided with a through channel, a lower insert is passed through the channel, and the top of the lower insert extends into the upper mold core to cooperate with the bayonet for forming the bottom wall.

[0011] According to some embodiments of the utility model, the side mold core and the end mold core are both provided with a slider, and the slider is located on the other side of the side mold core and the end mold core away from the lower mold core, and the slider slides to drive the side mold core or the end mold core to separate or gather from each other.

[0012] According to some embodiments of the utility model, the slider is provided with a guide groove, which is inclined from the lower mold core toward the outside, and the front mold core is provided with a guide column, which is inserted into the guide groove. When the front mold core is separated from the rear mold core, the guide column abuts against the side wall of the guide groove to drive the slider to slide toward or away from the lower mold core to drive the side mold core or the end face mold core to separate or gather from each other.

[0013] According to some embodiments of the utility model, the upper mold core is provided with a driving block, the driving block is penetrated by a guide platform, the guide platform is connected to the front mold plate, the front mold plate and the rear mold plate are separated from each other, and the guide platform drives the driving block to move toward or away from the lower mold core so that the upper mold core and the lower mold core are gathered together or separated.

[0014] According to some embodiments of the utility model, the top template is provided with a glue injection nozzle, and the runner template is provided with a glue injection channel, and the glue injection channel is connected to the glue injection nozzle.

[0015] According to the second aspect of the present invention, a shell body molding device comprises a shell body injection mold as described in any one of the above items.

[0016] The shell body molding device according to the embodiment of the utility model has at least the following beneficial effects: the shell body injection mold can be used to mold the shell body structure with a frame groove and a plurality of bayonet holes in one step without secondary processing, thereby reducing labor costs and improving production efficiency.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention is further described below with reference to the accompanying drawings and embodiments, wherein:

[0019] Figure 1 A schematic diagram of a housing body of an embodiment of the utility model;

[0020] Figure 2 It is a schematic diagram of the injection mold of the housing body of the embodiment of the utility model;

[0021] Figure 3 It is a schematic diagram of the rear template of the shell body injection mold of the embodiment of the utility model;

[0022] Figure 4 It is a schematic diagram of the side mold core of the shell body injection mold of the embodiment of the utility model;

[0023] Figure 5 It is a schematic diagram of the upper mold core of the shell body injection mold according to an embodiment of the utility model.

[0024] Reference numerals: bottom wall 10; bayonet 11; side wall 20; frame groove 21;

[0025] Base 100; column 110; rear mold plate 200; lower mold core 210; lower insert 211; side mold core 220; molding convex block 221; step 222; side insert 223; end mold core 230; slider 240; guide groove 241; front mold plate 300; runner mold plate 400; top mold plate 500; glue inlet nozzle 510; convex column 600. DETAILED DESCRIPTION

[0026] The embodiments of the present invention are described in detail below, and 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 only used to explain the present invention, and cannot be understood as limiting the present invention.

[0027] In the description of the present invention, it should be understood that descriptions involving orientation, 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, and 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, and therefore cannot be understood as a limitation on the present invention.

[0028] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0029] In the description of the utility model, unless otherwise clearly defined, the words such as setting, installing, connecting, etc. should be understood in a broad sense, and the technical personnel in the relevant technical field can reasonably determine the specific meaning of the above words in the utility model in combination with the specific content of the technical solution. In the description of the utility model, the description of the reference terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In the description of the specification, the description of the reference terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above 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.

[0030] Reference Figure 1 , a shell body structure made of plastic is proposed, which is a groove-shaped structure with openings on the lower side and both ends, including a bottom wall 10 and two side walls 20 respectively arranged on both sides of the bottom wall 10, and the bottom wall 10 and the side walls 20 are both provided with a plurality of penetrating bayonet holes 11, wherein the bottom wall 10 is a plane, and the outer surface of the side wall 20 is provided with a frame groove 21, and the bayonet hole 11 is located in the frame groove 21. In the related art, the shell body needs to be processed twice after injection molding, which requires high labor cost and low production efficiency.

[0031] For this purpose, refer to Figure 2 , Figure 3 , Figure 4 and Figure 5, which is a shell body injection mold proposed by the utility model, includes a base 100, a pillar, a rear template 200, a front template 300, a runner template 400 and a top template 500 arranged in sequence from bottom to top, and there are two pillars, which are arranged on both sides of the top surface of the base 100 for supporting the rear template 200. The rear mold plate 200 is provided with a lower mold core 210, two end mold cores 230 and two side mold cores 220. The two end mold cores 230 are respectively arranged at the two ends of the lower mold core 210 for molding the two ends of the shell body. The two side mold cores 220 are respectively arranged on both sides of the lower mold core 210 for molding the side wall 20. The front mold plate 300 is provided with an upper mold core. The bottom surface of the upper mold core is provided with a plurality of convex columns 600 for molding the bayonet 11. The side of the side mold core 220 facing the lower mold core 210 is provided with a molding protrusion 221. A step 222 is formed between the peripheral wall of the molding protrusion 221 and the peripheral edge of the side mold core 220. The molding protrusion 221 is used for molding the frame groove 21. The molding protrusion 221 is also provided with a plurality of convex columns 600 for molding the bayonet 11. The upper mold core, the lower mold core 210, the side mold core 220 and the end mold core 230 together constitute a cavity. It can be understood that the side wall 20 and the bottom wall 10 of the shell body are both provided with irregularly distributed bayonet 11, and the side wall 20 has a frame groove 21 structure, and the upper mold core is provided with a corresponding convex column 600, and the side mold core 220 is provided with a molding convex block 221 to correspond to the frame groove 21 structure, and the convex column 600 is provided on the molding convex block 221 to correspond to the bayonet 11 of the side wall 20. At the same time, the lower mold core 210 is provided with a corresponding abutment surface to cooperate with the side mold core 220 and the upper mold core for molding, and the end mold core 230 is provided with a corresponding convex portion extending into the side mold core 220 corresponding to the openings at both ends of the shell body to cooperate with the upper mold core, the side mold core 220 and the lower mold core 210 to form a cavity, and then inject glue to form it once. The shell body structure with a frame groove 21 and a plurality of bayonet 11 can be formed once without secondary processing, which reduces labor costs and improves production efficiency.

[0032] Reference Figure 2 The top mold plate 500 is provided with a glue injection nozzle, and the runner mold plate 400 is provided with a glue injection flow channel, and the glue injection flow channel is connected to the glue injection nozzle. It is easy to understand that the top mold plate 500 is provided with a glue injection nozzle 510, the runner mold plate 400 is provided with a glue injection flow channel, and the base 100, the pillar, etc. are conventional settings in the art and are not described in detail here.

[0033] Reference Figure 4, the side mold core 220 is provided with a side insert 223, and the side insert 223 is flush with the surface of the molding protrusion 221 to cooperate with the molding side wall 20. Further, one side mold core 220 is provided with four side inserts 223, two of which are located in the same vertical line and are inclined relative to each other to cooperate with the surface of the side mold core 220 to mold the side wall 20. Further, a side insert 223 is provided with a sloping wall on the side that is flush with the surface of the side mold core 220, so that the end face of the side insert 223 is flush with the surface of the side mold core 220. The side insert 223 can be detachably loaded on the side mold core 220 to correspond to the outer structure of the side wall 20, and is conducive to synchronously molding indicative shapes such as characters or labels according to customized requirements, without the need to manufacture the side mold core 220 separately, thereby saving costs.

[0034] Reference Figure 3 In some embodiments, the lower mold core 210 is provided with a through channel, and a lower insert 211 is passed through the channel. The top of the lower insert 211 extends into the upper mold core to cooperate with the bayonet 11 of the molding bottom wall 10. The lower insert 211 is also detachably connected to the lower mold core 210 to correspond to the requirements of different numbers and positions of the bayonet 11 of the bottom wall 10.

[0035] Reference Figure 3 The side mold core 220 and the end mold core 230 are both provided with a slider 240, which is located on the other side of the side mold core 220 and the end mold core 230 away from the lower mold core 210. The slider 240 slides to drive the side mold core 220 or the end mold core 230 to separate or gather together. Further, the slider 240 is provided with a guide groove 241, which is inclined from the lower mold core 210 toward the outside, and the front mold plate 300 is provided with a guide column, which is inserted into the guide groove 241. When the front mold plate 300 is separated from the rear mold plate 200, the guide column abuts against the side wall 20 of the guide groove 241 to drive the slider 240 to slide toward or away from the lower mold core 210, so as to drive the side mold core 220 or the end mold core 230 to separate or gather together. The guide groove 241 and the guide column can realize the rapid positioning or rapid demolding of the side mold core 220 and the end mold core 230 when the front mold plate 300 and the rear mold plate 200 are assembled or separated, thereby improving production efficiency and preventing the protruding column 600 from pressing against the formed bayonet 11 during demolding and causing damage.

[0036] In some embodiments, further, the upper mold core is provided with a driving block, the driving block is penetrated by a guide platform, the guide platform is connected to the front mold plate 300, the front mold plate 300 and the rear mold plate 200 are separated from each other, and the guide platform drives the driving block to move toward or away from the lower mold core 210, so that the upper mold core and the lower mold core 210 are gathered together or separated, thereby realizing the rapid demolding of the upper mold core and the lower mold core 210.

[0037] The shell body molding device of the embodiment of the utility model includes a shell body injection mold as described in any of the above items. The shell body injection mold can be used to mold a shell body structure with a frame groove 21 and a plurality of bayonet holes 11 at one time without secondary processing, thereby reducing labor costs and improving production efficiency.

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

Claims

1. A shell body injection mold, the shell body is a groove-shaped structure with openings on the lower side and both ends, including a bottom wall and two side walls arranged on both sides of the bottom wall, the bottom wall and the side walls are both provided with a plurality of penetrating bayonet holes, wherein the bottom wall is a plane, and the outer surface of the side wall is provided with a frame groove, the bayonet hole is located in the frame groove, and the characteristics are as follows: include: A base, a support, a rear template, a front template, a flow channel template and a top template are sequentially arranged from bottom to top, wherein two support pillars are arranged on both sides of the top surface of the base for supporting the rear template; The rear template is provided with a lower mold core, two end mold cores and two side mold cores. The two end mold cores are respectively arranged at the two ends of the lower mold core for molding the two ends of the shell body. The two side mold cores are respectively arranged on both sides of the lower mold core for molding the side walls. The front template is provided with an upper mold core. The bottom surface of the upper mold core is provided with a plurality of convex columns for the bayonet molding. The side mold core is provided with a molding protrusion on the side facing the lower mold core. A step is formed between the peripheral wall of the molding protrusion and the peripheral edge of the side mold core. The molding protrusion is used for the frame groove molding. The molding protrusion is also provided with a plurality of convex columns for the bayonet molding. The upper mold core, the lower mold core, the side mold core and the end mold core together constitute a cavity.

2. The shell body injection mold according to claim 1, characterized in that: The side mold core is provided with a side insert, and the side insert is flush with the surface of the molding protrusion to cooperate in molding the side wall.

3. The shell body injection mold according to claim 2, characterized in that: One side mold core is provided with four side inserts, two of which are located in the same vertical line and inclined relative to each other, so as to cooperate with the surface of the side mold core to form the side wall.

4. The shell body injection mold according to claim 2, characterized in that: A side of the side insert that is flush with the surface of the side mold core is provided with a ditching inclined wall so that the end surface of the side insert is flush with the surface of the side mold core.

5. The shell body injection mold according to claim 1, characterized in that: The lower mold core is provided with a through channel, and a lower insert is passed through the channel. The top of the lower insert extends into the upper mold core to cooperate with the bayonet of the bottom wall.

6. The shell body injection mold according to claim 1, characterized in that: The side mold core and the end mold core are both provided with sliders, which are located on the other side of the side mold core and the end mold core away from the lower mold core, and the sliders slide to drive the side mold core or the end mold core to separate or gather from each other.

7. The shell body injection mold according to claim 6, characterized in that: The slider is provided with a guide groove, which is inclined from the lower mold core toward the outside. The front mold plate is provided with a guide column, and the guide column is inserted into the guide groove. When the front mold plate is separated from the rear mold plate, the guide column abuts against the side wall of the guide groove to drive the slider to slide toward or away from the lower mold core to drive the side mold core or the end face mold core to separate or gather from each other.

8. The shell body injection mold according to claim 1, characterized in that: The upper mold core is provided with a driving block, and the driving block is penetrated by a guide platform, and the guide platform is connected to the front mold plate, and the front mold plate and the rear mold plate are separated from each other. The guide platform drives the driving block to move toward or away from the lower mold core, so that the upper mold core and the lower mold core are gathered together or separated.

9. The shell body injection mold according to claim 1, characterized in that: The top template is provided with a glue injection nozzle, and the runner template is provided with a glue injection flow channel, and the glue injection flow channel is connected to the glue injection nozzle.

10. A shell body molding device, characterized in that: It comprises the shell body injection mold as claimed in any one of claims 1 to 9.

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