Multi-hole-site machining type injection mold

By designing a multi-hole processing injection mold, the problem of low efficiency of existing injection molds is solved, and efficient production of multiple products and cost reduction are achieved.

CN223466619UActive Publication Date: 2025-10-24DONGGUAN JIEXUN IND CO LTD
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Patent Information

Application Number
CN202422717253.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-07
Publication Date
2025-10-24
Estimated Expiration
2034-11-07

AI Technical Summary

Technical Problem

Existing injection molds for plastic pipes generally only have a single processing hole, which leads to low processing efficiency and increased processing costs, and does not meet current processing needs.

Method used

A multi-hole processing injection mold is designed, which includes a mold body, an upper template, a middle template and a lower template. Multiple injection columns, injection holes and injection bottom grooves are set. A runner table, a guide column and a lifting connection component are used to realize multi-hole injection molding.

Benefits of technology

It achieves efficient production of multiple products, improves processing efficiency and reduces processing costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of multi-hole-site processing type injection molds, in particular to a multi-hole-site processing type injection mold which comprises a mold body, the mold body is used for injection molding processing of plastic pipes, and the mold body comprises an upper mold plate, a middle mold plate and a lower mold plate which are sequentially arranged in a stacked mode. A plurality of injection molding columns are distributed at the bottom of the upper mold plate; a plurality of injection molding hole sites are formed in the middle mold plate, and the injection molding hole sites are matched with the injection molding columns; a plurality of injection molding bottom grooves are formed in the upper surface of the lower mold plate and matched with the bottoms of the injection molding columns. The utility model aims to provide the multi-hole-site processing type injection mold which is efficient and reduces the processing cost.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of multi -hole position processing type injection mold, in particular to a kind of multi -hole position processing type injection mold. BACKGROUND

[0002] Injection molding is also called injection molding, which is a kind of injection molding method. The advantages of injection molding method are fast production speed, high efficiency, automatic operation, various colors and shapes, from simple to complex shape, from large to small size, accurate product size, easy to update product, can form complex parts, injection molding is suitable for mass production and complex product forming processing field. At a certain temperature, the completely melted plastic material is stirred by screw, injected into the mold cavity with high pressure, and the molded product is obtained after cooling and solidification.

[0003] The existing part of plastic pipe injection mold is generally provided with only a single processing hole for injection molding, so that only one plastic pipe part can be processed, resulting in low processing efficiency and high processing cost, which does not meet the current processing demand. UTILITY MODEL CONTENT

[0004] Therefore, the utility model aims at providing a kind of multi -hole position processing type injection mold of high efficiency and reducing processing cost.

[0005] The utility model adopts the following technical scheme:

[0006] A kind of multi -hole position processing type injection mold, including mold body, the mold body is used to injection molding plastic pipe, the mold body includes the upper die plate, middle die plate, lower die plate sequentially stacked;The bottom of the upper die plate is distributed with several injection columns;The middle die plate is provided with several injection hole positions, and the injection hole position is matched with injection column;The upper surface of the lower die plate is provided with several injection bottom grooves, and the injection bottom groove is matched with the bottom of injection column.

[0007] Further improvement to the above technical solution is that the central part of the upper die plate is provided with a flow channel table, and the central part of the flow channel table is provided with an inlet flow channel, which is sequentially communicated with the upper die plate and the middle die plate.

[0008] Further improvement to the above technical solution is that the two sides of the flow channel table are respectively connected with guide columns, and the guide columns pass through the upper die plate and are sequentially connected with the middle die plate and the lower die plate.

[0009] Further improvement to the above technical solution is that the two sides of the guide column are provided with first perforations, and the number of the first perforations is four, and the four first perforations are respectively distributed and connected with the upper die plate.

[0010] Further improvement of the above technical scheme is that the middle part of the middle mold plate is provided with a cross overflow groove, and the cross overflow groove is communicated with the inlet runner; the outer side of the injection hole position is provided with a hole position overflow groove, and the hole position overflow groove is arranged outside the cross overflow groove.

[0011] Further improvement of the above technical scheme is that the outer edge of the middle mold plate is provided with a plurality of outer overflow grooves, the inner part of the plurality of outer overflow grooves is provided with a second through hole, the number of the second through hole is four, and a first guide hole is arranged between adjacent two second through holes.

[0012] Further improvement of the above technical scheme is that the second through hole is connected with a jacking connecting assembly, the lower part of the jacking connecting assembly is connected with the lower mold plate; the number of the jacking connecting assembly is four, and the jacking connecting assembly comprises a nut connecting column and a jacking spring; the bottom of the nut connecting column is provided with a mounting thread, and the jacking spring is arranged outside the nut connecting column.

[0013] Further improvement of the above technical scheme is that the number of the first guide hole is two, and the two first guide holes are oppositely arranged; the first guide hole is movably connected with a guide column.

[0014] Further improvement of the above technical scheme is that the lower mold plate is provided with a third through hole outside a plurality of injection bottom grooves, the number of the third through hole is four, a second guide hole is arranged between adjacent two third through holes, and the inner part of the third through hole is connected with a mounting thread.

[0015] Further improvement of the above technical scheme is that the outer side of the injection bottom groove is provided with a bottom overflow groove.

[0016] The beneficial effects of the utility model are:

[0017] The utility model discloses a whole design is reasonable, realizes the processing of multiple hole positions, produces multiple products simultaneously, effectively promotes processing efficiency, reduces processing cost, when working, injection plastics are injected into the inlet runner in the central part of runner table, and the injection plastics are injected into the cross overflow groove through the inlet runner, and the injection plastics are injected into the cross overflow groove to full material, and the full material injection plastics overflow into the injection column and the injection hole position in turn and flow down to the injection bottom groove of lower mold plate shaping, and the extra injection plastics are discharged through the outer overflow groove, after completing injection and cooling, the upper mold plate rises, and under the jacking spring of jacking connecting assembly, the middle mold plate is driven to rise, and the plastic tube is taken out. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the structure schematic diagram of the multiple hole position processing type injection mold of the utility model;

[0019] Figure 2 It is Figure 1The separation structure schematic diagram of the upper die plate, the middle die plate and the lower die plate of the multi-hole processing type injection mold;

[0020] Figure 3 The separation structure schematic diagram of the upper die plate, the middle die plate and the lower die plate of the multi-hole processing type injection mold; Figure 1 The separation structure schematic diagram of the upper die plate, the middle die plate and the lower die plate of the multi-hole processing type injection mold;

[0021] Figure 4 The separation structure schematic diagram of the upper die plate, the middle die plate and the lower die plate of the multi-hole processing type injection mold; Figure 1 The separation structure schematic diagram of the upper die plate, the middle die plate and the lower die plate of the multi-hole processing type injection mold;

[0022] Figure 5 The separation structure schematic diagram of the upper die plate, the middle die plate and the lower die plate of the multi-hole processing type injection mold; Figure 1 The separation structure schematic diagram of the upper die plate, the middle die plate and the lower die plate of the multi-hole processing type injection mold.

[0023] The figure mark is:

[0024] 10, the mold body; 20, the upper die plate; 21, the injection column; 22, the runner table; 23, the inlet runner; 24, the guide column; 25, the first perforation; 30, the middle die plate; 31, the injection hole; 32, the cross overflow groove; 33, the hole overflow groove; 34, the outer overflow groove; 35, the second perforation; 36, the first guide hole; 40, the lower die plate; 41, the injection bottom groove; 42, the third perforation; 43, the second guide hole; 44, the bottom overflow groove; 50, the jacking connecting assembly; 51, the nut connecting column; 52, the jacking spring; 53, the mounting thread. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be apparently and completely described below in conjunction with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative efforts belong to the range protected by the utility model.

[0026] In the description of the utility model, it needs to be explained that the orientation or position relation indicated by the terms "vertical direction", "upper", "lower", "horizontal" and the like is the orientation or position relation based on the orientation or position relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the device or element indicated must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, "first", "second", "third", "fourth" are only for the purpose of description, and cannot be understood as indicative or suggestive of relative importance.

[0027] It should be further noted that, unless otherwise explicitly specified and limited, the terms "arrange", "mount", "connect", "connect" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be connected through an intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0028] As shown in Figures 1 to 5 An embodiment of the utility model relates to a kind of porous position processing type injection mold, including mould body 10, the mould body 10 is used to injection process plastic pipe, the mould body 10 includes the upper die plate 20, middle die plate 30, lower die plate 40 that are sequentially stacked;The bottom of the upper die plate 20 is distributed with several injection columns 21;The middle die plate 30 is provided with several injection hole sites 31, the injection hole site 31 is matched with injection column 21 arrangement;The upper surface of the lower die plate 40 is provided with several injection bottom grooves 41, the injection bottom groove 41 is matched with the bottom of injection column 21 arrangement.

[0029] Further, the central part of the upper die plate 20 is provided with flow channel table 22, the central part of the flow channel table 22 is provided with inlet flow channel 23, the inlet flow channel 23 is sequentially communicated with upper die plate 20, middle die plate 30. Specifically, injection plastics enter upper die plate 20, middle die plate 30 through inlet flow channel 23, realize injection processing, and it is strong in practicality.

[0030] Further, the two sides of the flow channel table 22 are respectively connected with guide column 24, the guide column 24 passes through the upper die plate 20 and is sequentially movably connected with middle die plate 30, lower die plate 40. Specifically, guide column 24 is arranged so that upper die plate 20, middle die plate 30 are sequentially separated or folded, guarantee discharging, improve efficiency.

[0031] Further, the two sides of the guide column 24 are provided with first perforation 25, the number of the first perforation 25 is four, four first perforation 25 are respectively distributed and connected to the upper die plate 20. Specifically, the first perforation 25 is arranged, so that the nut connecting column 51 of lifting connecting assembly 50 passes through, so that upper die plate 20, middle die plate 30, lower die plate 40 are sequentially clamped, improve processing efficiency.

[0032] Further, the middle part of the middle mold plate 30 is provided with a cross overflow groove 32 which is communicated with the inlet flow channel 23; the outer side of the injection molding hole position 31 is provided with a hole position overflow groove 33 which is arranged outside the cross overflow groove 32. Specifically, the injection material is injected into the cross overflow groove 32 through the inlet flow channel 23 and overflowed to the space between the injection column 21 and the injection hole position 31 through the hole position overflow groove 33 to complete the injection and ensure the multi-hole position production and improve the efficiency; the hole position overflow groove 33 is arranged around the injection hole position, the hole position overflow groove 33 is a discontinuous annular groove and abuts against the cross overflow groove 32.

[0033] Further, the outer edge of the middle mold plate 30 is provided with a plurality of outer overflow grooves 34, the inner part of the plurality of outer overflow grooves 34 is provided with a second through hole 35, the number of the second through hole 35 is four, and a first guide hole 36 is arranged between adjacent two second through holes 35. Specifically, the outer overflow groove 34 is arranged to facilitate the discharge of the excess injection material through the outer overflow groove 34 to ensure the consistency of product quality, and the excess injection material can also be recycled to reduce the processing cost; the second through hole 35 is arranged to facilitate the passing of the nut connecting column 51 of the lifting connecting assembly 50 so that the upper mold plate 20, the middle mold plate 30 and the lower mold plate 40 are sequentially clamped to improve the processing efficiency.

[0034] Further, the second through hole 35 is penetrated by the lifting connecting assembly 50, the lower part of the lifting connecting assembly 50 is connected to the lower mold plate 40; the number of the lifting connecting assembly 50 is four, the lifting connecting assembly 50 includes a nut connecting column 51 and a lifting spring 52; the bottom of the nut connecting column 51 is provided with a mounting thread 53, and the lifting spring 52 is arranged around the outer side of the nut connecting column 51. Specifically, the nut connecting column 51 is arranged to sequentially connect the third through hole 42, the second through hole 35 and the first through hole 25 to effectively connect the middle mold plate 30 and the lower mold plate 40; the lifting spring 52 is arranged to effectively separate the middle mold plate 30 and the lower mold plate 40 during discharging to improve the discharging efficiency.

[0035] Further, the number of the first guide hole 36 is two, the two first guide holes 36 are oppositely arranged, and the first guide hole 36 is movably connected with the guide column 24. Specifically, the guide column 24 penetrates through the first guide hole 36 to facilitate the movement of the upper mold plate 20.

[0036] Further, the lower mold plate 40 is provided with third through holes 42 on the outer side of the injection molding bottom groove 41, the number of the third through holes 42 is four, a second guide hole 43 is arranged between two adjacent third through holes 42, and the inside of the third through hole 42 is connected with the mounting thread 53. Specifically, the third through hole 42 is arranged to facilitate the nut connecting column 51 of the jacking connecting assembly 50 to pass through, so that the upper mold plate 20, the middle mold plate 30 and the lower mold plate 40 are sequentially closed, and the processing efficiency is improved; the second guide hole 43 is arranged to facilitate the guide column 24 to move in the first guide hole 36 and the second guide hole 43 in sequence, so that the upper mold plate 20 is separated from the middle mold plate 30, and the material is discharged.

[0037] Further, the outer side of the injection molding bottom groove 41 is provided with a bottom overflow groove 44. Specifically, the bottom overflow groove 44 is arranged to store excess injection material, and facilitate the shaping of one end of the plastic pipe, ensure the shape of the product, and improve the efficiency.

[0038] The utility model discloses whole design is reasonable, realizes the processing of multiple holes, and simultaneously produces multiple products, effectively improves processing efficiency, and reduces processing cost;When working, injection material is injected into the entrance runner 23 in the central part of the runner table 22, and the injection material is injected into the cross overflow groove 32 through the entrance runner 23;The injection material is injected into the cross overflow groove 32 to full material, and the full material injection material overflows into the injection column 21 and the injection hole position 31 between the hole position overflow groove 33 outside the injection hole position 31 in sequence, and flows down to the injection bottom groove 41 of the lower mold plate 40 and shapes, and the excess injection material is discharged through the overflow groove 34;After completing injection molding and cooling, the upper mold plate 20 rises, drives the middle mold plate 30 to rise under the action of the jacking spring 52 of the jacking connecting assembly 50, and the plastic pipe is taken out.

[0039] The above only expresses the preferred technical scheme of the utility model, and the description is more specific and detailed, but can not be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary skilled persons in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, and the utility model also intends to include these changes and modifications.

Claims

1. A multi-cavity processing type injection mold comprising a mold body for injection molding a plastic tube, characterized by, The mold body comprises an upper mold plate, a middle mold plate and a lower mold plate which are sequentially stacked; the bottom of the upper mold plate is provided with a plurality of injection columns; the middle mold plate is provided with a plurality of injection hole positions, and the injection hole positions are matched with the injection columns; the upper surface of the lower mold plate is provided with a plurality of injection bottom grooves which are matched with the bottoms of the injection columns.

2. The multi-cavity trim-in-place injection mold of claim 1, wherein, The central part of the upper mold plate is provided with a flow channel table, and the central part of the flow channel table is provided with an inlet flow channel which is sequentially communicated with the upper mold plate and the middle mold plate.

3. The multi-cavity trim-in-place injection mold of claim 2, wherein, The two sides of the flow channel table are respectively connected with guide columns which are sequentially movably connected with the middle mold plate and the lower mold plate through the upper mold plate.

4. The multi-cavity trim-in-place injection mold of claim 3, wherein, The two sides of the guide column are provided with first through holes, and the number of the first through holes is four, and the four first through holes are respectively connected with the upper mold plate.

5. The multi-cavity trim-in-place injection mold of claim 1, wherein, The central part of the middle mold plate is provided with a cross-shaped overflow groove which is communicated with the inlet flow channel; the outer side of the injection hole position is provided with a hole position overflow groove which is arranged outside the cross-shaped overflow groove.

6. The multi-cavity trim-in-place injection mold of claim 1, wherein, The outer edge of the middle mold plate is provided with a plurality of outer overflow grooves, the inner part of the plurality of outer overflow grooves is provided with second through holes, the number of the second through holes is four, and a first guide hole is arranged between the adjacent two second through holes.

7. The multi-cavity trim-in-place injection mold of claim 6, wherein, The second through hole is connected with a jacking connecting assembly, the lower part of the jacking connecting assembly is connected with the lower mold plate; the number of the jacking connecting assembly is four, and the jacking connecting assembly comprises a nut connecting column and a jacking spring; the bottom of the nut connecting column is provided with a mounting thread, and the jacking spring is arranged outside the nut connecting column.

8. The multi-cavity trim-in-place injection mold of claim 6, wherein, The number of the first guide hole is two, and the two first guide holes are oppositely arranged, and the first guide hole is movably connected with the guide column.

9. The multi-cavity trim-in-place injection mold of claim 1, wherein, The outer side of the lower mold plate located at the plurality of injection bottom grooves is provided with third through holes, the number of the third through holes is four, a second guide hole is arranged between the adjacent two third through holes, and the inner part of the third through hole is connected with the mounting thread.

10. The multi-cavity trim-in-place injection mold of claim 1, wherein, The outer side of the injection bottom groove is provided with a bottom overflow groove.