Die structure of water-tight bent pipe
By optimizing the mold structure and adopting a slider and ejector pin design, the problems of long injection molding cycles and high costs caused by the complexity of traditional mold structures have been solved, achieving rapid injection molding and efficient production.
Patent Information
- Application Number
- CN202520261579.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-19
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-02-19
AI Technical Summary
Traditional molds have complex structures, resulting in long injection molding cycles and high costs. Furthermore, the internal structure of large sliders often cannot properly arrange water flow, affecting product processing efficiency.
The design employs a No. 1 core-pulling slider, a No. 1 slider seat, a No. 2 core-pulling slider, a No. 2 slider seat, an inner inclined ejector for the No. 1 slider, and an inner inclined ejector for the No. 2 slider. Combined with a round ejector pin and a reasonable water channel arrangement, it achieves precise fit of the product's inner hole bending tube. Through the movement of the slider and the ejection of the round ejector pin, the mold structure is simplified and the injection molding efficiency is improved.
It enables rapid mold release and injection molding production, reduces the cost of injection molding machines and production cycle, and meets customers' rapid production needs.
Smart Images
Figure CN223750155U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a mould structure technical field, concretely is a mould structure of watertight elbow pipe. BACKGROUND
[0002] In the mould processing industry, the thickening type big through pipe product bends inside buckle to smooth transition and both ends mouth assembly, the mould structure is big and the inner hole core-pulling buckle is easy to pull the product, according to the traditional processing method, make both sides big slider core-pulling and cooperate with internal slider, the mould structure is complex and the big slider internal structure is more and cannot normally arrange water, cause injection molding cycle to be long and cost is high. UTILITY MODEL CONTENTS
[0003] The utility model discloses a mould structure of watertight elbow pipe to solve the problem of the traditional processing method of making both sides big slider core-pulling and cooperating with internal slider, the complex mould structure and the big slider internal structure are more and cannot normally arrange water, cause injection molding cycle to be long and cost to be high.
[0004] To realize above-mentioned purpose, the utility model provides the following technical scheme: a mould structure of watertight elbow pipe, comprising:
[0005] The rear mould is set up in the inside of the rear mould, and the rear mould is set up in the inside of the rear mould.
[0006] The front mould is set up in the upper side of the rear mould.
[0007] The first core-pulling slider is set up in the inside of the rear mould, and the rear mould is set up in the inside of the rear mould.
[0008] The first slider inner inclined top is set up in the inside of the first core-pulling slider, and the second core-pulling slider is set up in the inside of the second core-pulling slider.
[0009] The cold runner body is set up in the top of the rear mould.
[0010] The hot runner is set up in the inside of the front mould.
[0011] The dome needle is set up in the inside of the rear mould, and the dome needle is set up in the inside of the rear mould.
[0012] As a preferred scheme of the utility model: the outside of the front mould is provided with the second support mould base, the outside of the rear mould is provided with the first support mould base, and the inside of the second support mould base is symmetrically provided with the front mould inclined guide column matched with the first core-pulling slider and the second core-pulling slider.
[0013] As a preferred scheme of the utility model: the bottom of the first core-pulling sliding block is provided with a first sliding block seat, the bottom of the second core-pulling sliding block is provided with a second sliding block seat, the first sliding block seat is slidably connected with the first supporting mold base, and the second sliding block seat is slidably connected with the first supporting mold base.
[0014] As a preferred scheme of the utility model: the inside of the rear mold is provided with a product, and the outside of the product is provided with a cold runner matched with the cold runner body and a glue inlet body.
[0015] As a preferred scheme of the utility model: a plurality of first water conveying holes are formed in the inside of the front mold.
[0016] As a preferred scheme of the utility model: a plurality of second water conveying holes are formed in the inside of the rear mold.
[0017] Compared with the prior art, the utility model has the beneficial effects that: through the setting of the first core-pulling sliding block, the first sliding block seat, the second core-pulling sliding block, the second sliding block seat, the first sliding block inner inclined jacks and the second sliding block inner inclined jacks, the first sliding block seat drives the first core-pulling sliding block and the first sliding block inner inclined jacks to move, the second sliding block seat drives the second core-pulling sliding block and the second sliding block inner inclined jacks to move, the first sliding block inner inclined jacks and the second sliding block inner inclined jacks are used for hole bending buckle and exhaust, the product is conveniently taken out, the dome needle is used for ejecting the hot runner, the product and the cold runner and the glue inlet body on the outside are ejected together, the first core-pulling sliding block and the second core-pulling sliding block are used for the inclined ejection of the inner side buckle, the reasonable water conveying arrangement is used to complete the product ejection and the rapid injection molding production, the injection molding machine cost and the injection molding production cycle are reduced without affecting the product assembly structure, the mold processing cycle is controlled in the shortest time, and the requirements of customers are met. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is internal structure schematic view of the utility model;
[0019] Figure 2 It is front mold, rear mold structure schematic view of the utility model;
[0020] Figure 3 It is product position schematic view of the utility model;
[0021] Figure 4 It is first supporting mold base structure schematic view of the utility model;
[0022] Figure 5 It is second supporting mold base structure schematic view of the utility model;
[0023] Figure 6 It is dome needle ejection structure schematic view of the utility model;
[0024] Figure 7 This is a schematic diagram of the cold runner and inlet colloid of this utility model, and the product structure;
[0025] Figure 8 This is a schematic diagram of the product structure of this utility model.
[0026] In the diagram: 1. Front mold; 2. Front mold inclined guide pillar; 3. No. 1 core-pulling slider; 4. No. 1 slider seat; 5. No. 1 slider inner inclined ejector; 6. No. 2 core-pulling slider; 7. No. 2 slider seat; 8. No. 2 slider inner inclined ejector; 9. Ejector pin; 10. Rear mold; 11. No. 1 water channel hole; 12. Cold runner and inlet colloid; 13. Hot runner; 14. Product; 15. No. 1 support mold base; 16. No. 2 support mold base; 17. Cold runner body; 18. No. 2 water channel hole. Detailed Implementation
[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0028] Please see Figures 1 to 8 This utility model provides a technical solution: a mold structure for a watertight bent pipe, comprising: a rear mold 10; a front mold 1 positioned above the rear mold 10; a first core-pulling slider 3 positioned inside the rear mold 10, and a second core-pulling slider 6 positioned inside the rear mold 10; a first slider inner inclined ejector 5 positioned inside the first core-pulling slider 3, and a second slider inner inclined ejector 8 positioned inside the second core-pulling slider 6; a cold runner body 17 formed at the top of the rear mold 10; a hot runner 13 positioned inside the front mold 1; and a round pin 9 slidably positioned inside the rear mold 10, the round pin 9 cooperating with the cold runner body 17.
[0029] It can be understood that, before the mold of the utility model is closed, the dome needle 9 is first reset to the bottom, then the oil cylinder is pushed to reset the first core-pulling slide block 3, the first slide block seat 4, the first slide block inner inclined top 5, the second core-pulling slide block 6, the second slide block seat 7, the second slide block inner inclined top 8, and then the front mold 1 is driven to slide the front mold inclined guide column 2 to reset, simultaneously driving the first slide block inner inclined top 5 and the second slide block inner inclined top 8 to reset, and then the injection molding machine is used to produce after injection, the mold is opened after injection molding is completed, the front mold 1 and the front mold inclined guide column 2 are opened, the first core-pulling slide block 3 and the second core-pulling slide block 6 are driven to slide in the mold opening direction by 30MM, simultaneously driving the first slide block inner inclined top 5 and the second slide block inner inclined top 8 to slide in the hole center direction to separate from the inner side locking position of the product 14, the control oil cylinder core-pulling slide block 3, the first slide block seat 4, the first slide block inner inclined top 5, the second core-pulling slide block 6, the second slide block seat 7, the second slide block inner inclined top 8 are driven to separate from the deep hole of the product 14 in the mold opening direction, the dome needle 9 is pushed to separate the product 14 and the cold runner and the glue inlet body 12 from the mold 10, then the product 14 is taken out, and the product 14 is trimmed, so that the product 14 can be normally produced.
[0030] Please refer to Figures 1 to 8 The outer side of the front mold 1 is provided with the second support mold seat 16, the outer side of the mold 10 is provided with the first support mold seat 15, and the inside of the second support mold seat 16 is provided with the front mold inclined guide column 2 matched with the first core-pulling slide block 3 and the second core-pulling slide block 6.
[0031] It can be understood that the front mold 1 is supported by the second support mold seat 16, the mold 10 is supported by the first support mold seat 15, and the first core-pulling slide block 3 and the second core-pulling slide block 6 are moved by the front mold inclined guide column 2.
[0032] Please refer to Figures 1 to 8 The bottom of the first core-pulling slide block 3 is provided with the first slide block seat 4, the bottom of the second core-pulling slide block 6 is provided with the second slide block seat 7, the first slide block seat 4 is slidably connected with the first support mold seat 15, and the second slide block seat 7 is slidably connected with the first support mold seat 15.
[0033] It can be understood that the first slide block seat 4 drives the first core-pulling slide block 3 and the first slide block inner inclined top 5 to move, and the second slide block seat 7 drives the second core-pulling slide block 6 and the second slide block inner inclined top 8 to move synchronously.
[0034] Please refer to Figures 1 to 8 The inside of the mold 10 is provided with the product 14, and the outer side of the product 14 is provided with the cold runner and the glue inlet body 12 matched with the cold runner body 17.
[0035] It can be understood that the cold runner and the glue inlet body 12 are formed in the cold runner body 17, and the cold runner and the glue inlet body 12 are fixed on the outer side of the product 14. It can be understood that the cold runner and the glue inlet body 12 are formed in the cold runner body 17, and the cold runner and the glue inlet body 12 are fixed on the outer side of the product 14.
[0036] Please see Figures 1 to 8 The front mold 1 has multiple No. 1 water passage holes 11 inside.
[0037] It is understood that this utility model has multiple No. 1 water channel holes 11 inside the front mold 1. Cooling water is introduced into the No. 1 water channel holes 11 to control the temperature of the mold. The design of the No. 1 water channel holes 11 allows the cooling water to circulate inside the front mold 1, thereby effectively reducing the temperature of the front mold 1 and keeping it working within a suitable range.
[0038] Please see Figures 1 to 8 The interior of the rear mold 10 has multiple No. 2 water passage holes 18.
[0039] It is understood that this utility model has multiple No. 2 water channels 18 inside the rear mold 10, and cooling water is introduced into the No. 2 water channels 18 to cool down the rear mold 10.
[0040] In the description of this utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "side", "top", "inner", "front", "center", "both ends", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0041] Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first," "second," "third," or "fourth" may explicitly or implicitly include at least one of those features.
[0042] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0043] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A mold structure for a watertight elbow, characterized by, Include: The back die (10); Front die (1), front die (1) is placed on the upper side of the back die (10); No. 1 core-pulling slider (3), the inside of the back die (10) is provided with no. 2 core-pulling slider (6), and the inside of the back die (10) is provided with no. 1 core-pulling slider (3); No. 1 slider inner inclined top (5), no. 1 slider inner inclined top (5) is arranged in the inside of no. 1 core-pulling slider (3), and the inside of no. 2 core-pulling slider (6) is provided with no. 2 slider inner inclined top (8); Cold runner body (17), cold runner body (17) is opened in the top of the back die (10); Hot runner (13), hot runner (13) is arranged in the inside of the front die (1); Dome needle (9), dome needle (9) is arranged in the inside of the back die (10), and the dome needle (9) is matched with the cold runner body (17).
2. A mold structure for a watertight elbow according to claim 1, characterized in that: The outside of the front die (1) is provided with no. 2 support die seat (16), the outside of the back die (10) is provided with no. 1 support die seat (15), the inside of the no. 2 support die seat (16) is provided with front die inclined guide column (2) matched with no. 1 core-pulling slider (3) and no. 2 core-pulling slider (6) symmetrically.
3. A mold structure for a watertight elbow according to claim 1, characterized in that: The bottom of the no. 1 core-pulling slider (3) is provided with no. 1 slider seat (4), the bottom of the no. 2 core-pulling slider (6) is provided with no. 2 slider seat (7), the no. 1 slider seat (4) is connected with the no. 1 support die seat (15) slidingly, and the no. 2 slider seat (7) is connected with the no. 1 support die seat (15) slidingly.
4. A mold structure for a watertight elbow according to claim 1, characterized in that: The inside of the back die (10) is provided with product (14), and the outside of the product (14) is provided with cold runner and glue inlet body (12) matched with the cold runner body (17).
5. A mold structure for a watertight elbow according to claim 1, characterized in that: The inside of the front die (1) is provided with a plurality of no. 1 water conveying holes (11).
6. A mold structure for a watertight elbow according to claim 1, characterized in that: The inside of the back die (10) is provided with a plurality of no. 2 water conveying holes (18).