Oil pipe forming die

By designing a multi-component oil pipe forming mold that works together, synchronous core pulling is achieved, which solves the high time cost and complex operation problems caused by core pulling one by one in traditional molds, improves production efficiency and stability, and optimizes space utilization and costs.

CN223431941UActive Publication Date: 2025-10-14NINGBO ZHONGHE AUTO PARTS CO LTD
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Patent Information

Application Number
CN202421547777.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-02
Publication Date
2025-10-14
Estimated Expiration
2034-07-02

AI Technical Summary

Technical Problem

Existing oil pipe forming molds require core extraction one by one during demolding, resulting in high time cost and low efficiency. In addition, the mold structure is not compact, occupies a large area, is complex to operate, and has poor stability and reliability.

Method used

A tubing forming die is designed, which adopts a multi-component collaborative working system, including a movable runner plate, a forming component and a side core pulling component. Through the linkage of the oblique pulling slider and the translation block, synchronous core pulling is achieved, which simplifies the operation process and improves efficiency and stability.

Benefits of technology

It realizes synchronous core pulling of oil pipe through-holes, significantly shortens demoulding cycle, improves production efficiency, optimizes space utilization, reduces energy consumption, enhances mold stability and product qualification rate, simplifies operation and reduces costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an oil pipe forming die which comprises a die body, the die body comprises a movable runner plate, and a first forming assembly, a second forming assembly, a third forming assembly and a fourth forming assembly are arranged in the die body. A first side core-pulling assembly, a second side core-pulling assembly, a third side core-pulling assembly, a fourth side core-pulling assembly and a fifth side core-pulling assembly are further arranged in the mold body, the first forming assembly is connected with the first side core-pulling assembly, and the first forming assembly and the second forming assembly are arranged in a spaced mode and connected through the second side core-pulling assembly. The third forming assembly and the second forming assembly are arranged in a spaced mode and connected through a third side core-pulling assembly, the fourth forming assembly and the third forming assembly are arranged in a spaced mode and connected through a fourth side core-pulling assembly, and the fourth forming assembly is further connected with a fifth side core-pulling assembly. According to the utility model, the core-pulling assemblies are linked to synchronously pull the core and demould the pipe column, so that the core-pulling demoulding device is applicable to the processing and manufacturing of automobile oil pipes.
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Description

Technical Field

[0001] The utility model relates to the field of injection molds, in particular to an oil pipe forming mold. Background Art

[0002] In the field of injection molds, the holes on the product are generally formed and demoulded using a core-pulling mechanism. Figure 1 The figure shows an oil pipe structure on an automobile. The oil pipe includes a bottom ring 2011 and four pipe columns 2012. The four pipe columns 2012 are arranged in an arc shape at intervals along the bottom ring, and each pipe column 2012 has a through hole 2013. Several core pulling mechanisms are used to demold the through holes 2013 on each pipe column 2012 in sequence, which will inevitably increase the number of core pulling components and extend the core pulling and demolding time. Summary of the Invention

[0003] The utility model aims to provide an oil pipe forming die, which has a compact structure and can synchronously core the through holes on various pipe strings, thereby shortening the demoulding time of the oil pipe.

[0004] To achieve the above purpose, the technical solution adopted by the present invention is: a tubing forming mold, including a mold body, the mold body including a movable flow channel plate, a first molding component, a second molding component, a third molding component and a fourth molding component are arranged in the mold body, and a first side core pulling component, a second side core pulling component, a third side core pulling component, a fourth side core pulling component and a fifth side core pulling component are also provided in the mold body, the first molding component is connected to the first side core pulling component, the first molding component and the second molding component are arranged at intervals and are connected through the second side core pulling component, the third molding component and the second molding component are arranged at intervals and are connected through the third side core pulling component, the fourth molding component and the third molding component are arranged at intervals and are connected through the fourth side core pulling component, and the fourth molding component is also connected to the fifth side core pulling component. The components are connected, the first side core pulling assembly includes a first oblique pulling slider that can move in the vertical direction, the second side core pulling assembly includes a second oblique pulling slider that can move in the vertical direction, the third side core pulling assembly includes a third oblique pulling slider that can move in the vertical direction, the fourth side core pulling assembly includes a fourth oblique pulling slider that can move in the vertical direction, the fifth side core pulling assembly includes a fifth oblique pulling slider that can move in the vertical direction, the first oblique pulling slider, the second oblique pulling slider, the third oblique pulling slider, the fourth oblique pulling slider and the fifth oblique pulling slider are all connected to the flow channel plate, the first molding assembly includes a first feed insert, the second molding assembly includes a second feed insert, the third molding assembly includes a third feed insert, the fourth molding assembly includes a fourth feed insert, the first feed insert, the second feed insert, the third feed insert and the fourth feed insert are all connected to the flow channel plate.

[0005] Compared with the prior art, the utility model has the advantages that: synchronous core pulling, significantly improve efficiency: the utility model through the design of multiple component cooperative work system, realized to all the through -hole on the pipe column in the automobile oil pipe structure carries out synchronous core pulling. Avoided the high time cost brought by traditional method core pulling one by one, greatly shortened the whole stripping cycle of oil pipe, improved production efficiency. Compact structure, optimize space utilization: the inside integrated multiple forming assembly and side core pulling assembly of mould, the layout between these components not only ensures the accurate forming of each through -hole, also kept the compactness of mould whole. Such design is advantageous in reducing equipment floor area, optimizing production environment layout, reduces energy consumption. Enhance stability and reliability: each forming assembly and side core pulling assembly are tightly connected through runner plate, ensured the consistency and stability of core pulling action. The precise movement control of inclined core pulling slider along the vertical direction reduces the deviation and potential damage risk in the forming process, improves the service life of mould and the qualified rate of product. Flexible feeding design: each forming assembly is equipped with independent feeding insert block and is connected with runner plate, which not only guarantees the smooth and uniform distribution of material flow, but also provides high flexibility for oil pipe production with different material characteristics, and is convenient for adjusting and optimizing production process. Simplify operation, reduce cost: through synchronous core pulling mechanism, reduce the operation dependence on multiple independent core pulling mechanism, simplify production process, reduce the demand of manual intervention, reduce the error caused by operation complexity, thereby reduce the production cost as a whole.

[0006] In some embodiments of the present invention, the first molding assembly further includes a first molding insert and a first core column, the first molding insert is sleeved with the first core column to form a first tubular column mold cavity therebetween, the first feed insert is connected to the top of the first molding insert, the first core column passes through the first molding insert and is connected to the first feed insert; the second molding assembly further includes a second molding insert and a second core column, the second molding insert is sleeved with the second core column to form a second tubular column mold cavity therebetween, the second feed insert is connected to the top of the second molding insert, the second core column passes through the second molding insert and is connected to the second The third molding assembly further comprises a third molding insert and a third core column, the third molding insert is sleeved with the third core column and a third tubular column cavity is formed therebetween, the third feed insert is connected to the top of the third molding insert, the third core column passes through the third molding insert and is connected to the third feed insert; the fourth molding assembly further comprises a fourth molding insert and a fourth core column, the fourth molding insert is sleeved with the fourth core column and a fourth tubular column cavity is formed therebetween, the fourth feed insert is connected to the top of the fourth molding insert, the fourth core column passes through the fourth molding insert and is connected to the fourth feed insert. The sleeved design of the molding insert and the core column forms a precise tubular column cavity, which not only ensures the accurate molding of the tubular column shape, but also ensures a stable supply of materials through direct connection with the feed insert, thereby improving molding quality and production stability.

[0007] In some embodiments of the present invention, the first side core pulling assembly further comprises a first translation block and at least one first core rod, a first oblique pull-out slider connected to the runner plate in a coordinated manner, one end of the first core rod connected to the first translation block, the other end of the first core rod movably engaged with the first molding insert, the first oblique pull-out slider movably connected to the first translation block, and a first guide structure disposed therebetween that enables the first translation block to generate horizontal displacement; the first translation block comprises a first oblique guide block and a first translation block, the first oblique guide block being connected to the first translation block in a coordinated manner, the first translation block being connected to the first core rod, the first guide structure comprising a first oblique guide slot on the first oblique guide block and a first mating portion on the first oblique pull-out slider, the first oblique guide block movably connected to the first mating portion on the first oblique pull-out slider via the first oblique guide slot. The coordinated design of the first translation block and the first oblique pull-out slider, and the mating of the first oblique guide block and the first oblique guide slot, achieve precise control of horizontal displacement, enhance the flexibility and accuracy of the core pulling action, and further ensure the efficiency and precision of the molding process.

[0008] In some embodiments of the utility model, second side core-pulling assembly still includes second left translation subassembly, second right translation subassembly, at least one second left core rod and at least one second right core rod, second oblique core-pulling slider is connected with flow channel plate and both linkage, one end of second left core rod is connected with second left translation subassembly, the other end of second left core rod is with first forming insert movable insertion, one end of second right core rod is connected with second right translation subassembly, the other end of second right core rod is with second forming insert movable insertion, second left translation subassembly, second right translation subassembly are arranged respectively at both sides of second oblique core-pulling slider, second left translation subassembly is movably connected with second oblique core-pulling slider and has second left guide structure between both, can make second left translation subassembly produce horizontal displacement, second right translation subassembly is movably connected with second oblique core-pulling slider and has second right guide structure between both, can make second right translation subassembly produce horizontal displacement, second left translation subassembly and second right translation subassembly linkage and the direction of movement of both is opposite, second left translation subassembly includes second left oblique guide block and second left translation block, second left oblique guide block is connected with second left translation block and both linkage, second left translation block is connected with second left core rod, second left guide structure includes second left oblique sliding slot on second left oblique guide block and second left matching portion on second oblique core-pulling slider, second left oblique guide block is movably connected with second left matching portion on second oblique core-pulling slider through second left oblique sliding slot, second right translation subassembly includes second right oblique guide block and second right translation block, second right oblique guide block is connected with second right translation block and both linkage, second right translation block is connected with second right core rod, second right guide structure includes second right oblique sliding slot on second right oblique guide block and second right matching portion on second oblique core-pulling slider, second right oblique guide block is movably connected with second right matching portion on second oblique core-pulling slider through second right oblique sliding slot.

[0009] In some embodiments of the utility model, third side core-pulling assembly further includes third left translation group block, third right translation group block, at least one third left core rod and at least one third right core rod, third oblique core-pulling slider is connected with flow channel plate and both linkage, one end of third left core rod is connected with third left translation group block, the other end of third left core rod is movably inserted with second forming insert block, one end of third right core rod is connected with third right translation group block, the other end of third right core rod is movably inserted with third forming insert block, third left translation group block, third right translation group block are arranged at both sides of third oblique core-pulling slider respectively, third left translation group block is movably connected with third oblique core-pulling slider and has third left guide structure between both, can make third left translation group block produce horizontal displacement, third right translation group block is movably connected with third oblique core-pulling slider and has third right guide structure between both, can make third right translation group block produce horizontal displacement, third left translation group block and third right translation group block linkage and the direction of movement of both is opposite;Third left translation group block includes third left oblique guide block and third left translation block, third left oblique guide block is connected with third left translation block and both linkage, third left translation block is connected with third left core rod, third left guide structure includes third left oblique sliding slot on third left oblique guide block and third left matching part on third oblique core-pulling slider, third left oblique guide block is movably connected with third left matching part on third oblique core-pulling slider through third left oblique sliding slot;Third right translation group block includes third right oblique guide block and third right translation block, third right oblique guide block is connected with third right translation block and both linkage, third right translation block is connected with third right core rod, third right guide structure includes third right oblique sliding slot on third right oblique guide block and third right matching part on third oblique core-pulling slider, third right oblique guide block is movably connected with third right matching part on third oblique core-pulling slider through third right oblique sliding slot.

[0010] In some embodiments of the present utility model, the fourth side core pulling assembly further includes a fourth left translation block, a fourth right translation block, a fourth inclined guide block, at least one fourth left core rod and at least one fourth right core rod, the fourth inclined pulling slider is connected to the flow channel plate and the two are linked, one end of the fourth left core rod is connected to the fourth left translation block, the other end of the fourth left core rod is movably inserted into the third forming insert, one end of the third right core rod is connected to the fourth right translation block, and the other end of the fourth right core rod is movably inserted into the fourth forming insert, the fourth left translation block and the fourth right translation block are symmetrically arranged on both sides of the fourth inclined guide block, and the fourth left translation block and the fourth inclined guide block, the fourth right translation block and the fourth inclined guide block are all movably matched through inclined surfaces, the fourth oblique pulling slider is movably connected to the fourth oblique guide block, and there is a fourth guide structure between the two that can cause the fourth oblique guide block to produce horizontal displacement. The uniqueness of the fourth side core pulling assembly lies in that it adopts the symmetrically arranged fourth left translation block and fourth right translation block, and the inclined movable cooperation of the fourth oblique guide block. Since the third core column and the fourth core column are close to each other, the above-mentioned side core pulling assemblies cannot be matched and applied. Therefore, an oblique core pulling is adopted so that after the fourth oblique guide block retreats, the fourth left translation block and the fourth right translation block can approach each other, thereby realizing synchronous core pulling. This design simplifies the guide structure and also ensures the stability of the synchronous core pulling.

[0011] In some embodiments of the present invention, the fifth-side core pulling assembly further comprises a fifth translation block and at least one fifth core rod, the fifth oblique pull-out slider being connected to the flow channel plate in a manner that the two are interlocked, one end of the fifth core rod being connected to the fifth translation block, the other end of the fifth core rod being movably engaged with the fourth molding insert, the fifth oblique pull-out slider being movably engaged with the fifth translation block, and a fifth guide structure being provided therebetween for enabling horizontal displacement of the fifth translation block; the fifth translation block comprising a fifth oblique guide block and a fifth translation block, the fifth oblique guide block being connected to the fifth translation block in a manner that the two are interlocked, the fifth translation block being connected to the fifth core rod, the fifth guide structure comprising a fifth oblique guide slot on the fifth oblique guide block and a fifth mating portion on the fifth oblique pull-out slider, the fifth oblique guide block being movably engaged with the fifth mating portion on the fifth oblique pull-out slider via the fifth oblique guide slot. The fifth-side core pulling assembly continues the efficient and compact design concept, achieving synchronous core pulling through the interlocking motion of the fifth translation block and the fifth oblique pull-out slider.

[0012] In some embodiments of the present invention, an angle α is formed between the second left translation block and the second right translation block, and a bending structure with an angle α is provided on the second oblique withdrawal slider, where 0°<α<180°.

[0013] In some embodiments of the present invention, an angle β is formed between the third left translation block and the third right translation block, and a bending structure of the angle β is provided on the third oblique withdrawal slider, where 0°<β<180°.

[0014] In some embodiments of the present invention, an angle γ is formed between the fourth left translation block and the fourth right translation block, and an angle γ is formed between two inclined surfaces on the fourth inclined guide block, where 0°<γ<180°.

[0015] The design of specific angles (α, β, γ) in the core-pulling components on each side allows the mold to adapt to the molding requirements of complex geometric shapes. The introduction of the bending structure enables the mold to achieve a more flexible core-pulling path within a limited space, which is especially important for manufacturing products with special angles or non-linear features. It greatly improves the versatility of the mold and the ability to manufacture complex parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the automobile oil pipe structure;

[0017] Figure 2 This is a cross-sectional view of the utility model;

[0018] Figure 3 This is a partial structural decomposition diagram of the utility model;

[0019] Figure 4 Schematic diagram of the layout of each side core pulling component of this utility model Figure 1 ;

[0020] Figure 5 Schematic diagram of the layout of each side core pulling component of this utility model Figure 2 ;

[0021] Figure 6 Schematic diagram of the layout of each side core pulling component of this utility model Figure 3 .

[0022] In the figure: 1, the upper mold base plate; 2, the upper mold gasket plate; 3, the upper mold frame; 4, the lower mold frame; 5, the lower mold gasket plate; 6, the lower mold base plate; 8, the top plate assembly; 9, the runner plate; 10, the first molding assembly; 11, the second molding assembly; 12, the third molding assembly; 13, the fourth molding assembly; 14, the first side core-pulling assembly; 15, the second side core-pulling assembly; 16, the third side core-pulling assembly; 17, the fourth side core-pulling assembly; 18, the fifth side core-pulling assembly; 101, the first feeding insert; 102, the first molding insert; 103, the first core column; 104, the second feeding insert; 105, the second molding insert; 106, the second core column; 107, the third feeding insert; 108, the third molding insert; 109, the third core column; 111, the fourth feeding insert; 112, the fourth molding insert; 113, the fourth core column; 201, the first inclined sliding block; 202, the first inclined guide block; 203, the first translation block; 204, the first core rod; 301, the second inclined sliding block; 302, the second left inclined guide block; 303, the second left translation block; 304, the second left core rod; 305, the second right translation block; 306, the second right core rod; 307, the second right inclined guide block; 401, the third inclined sliding block; 402, the third left inclined guide block; 403, the third left translation block; 404, the third left core rod; 405, the third right translation block; 406, the third right core rod; 407, the third right inclined guide block; 501, the fourth inclined sliding block; 502, the fourth inclined guide block; 503, the fourth left translation block; 504, the fourth left core rod; 505, the fourth right translation block; 506, the fourth right core rod; 601, the fifth inclined sliding block; 602, the fifth inclined guide block; 603, the fifth translation block; 604, the fifth core rod. DETAILED DESCRIPTION

[0023] Hereinafter, the utility model will be further described in conjunction with specific embodiments, and it should be noted that the following described embodiments or technical features can be combined to form new embodiments without conflict.

[0024] In the description of the utility model, it should be noted that for the orientation words, such as the terms "center", "transverse", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific protection scope of the utility model.

[0025] It should be noted that the terms "first", "second" and the like in the description and claims of the present application are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. The terms "comprises", "comprising", "includes", "including" and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense that receives only those components listed after the term to which it is applied.

[0026] The terms "comprises", "comprising", "includes", "including", and the like in the present description and in the claims are inclusive or open and do not exclude additional, unrecited elements or method steps. The terms "first", "second" and the like in the description and in the claims are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances and are not intended to limit the application described herein to a single embodiment.

[0027] As shown in Figure 2-Figure 6 An oil pipe forming die, including a die body, the die body includes a movable runner plate 9, the die body is provided with a first forming assembly 10, a second forming assembly 11, a third forming assembly 12 and a fourth forming assembly 13, the die body is also provided with a first side core-pulling assembly 14, a second side core-pulling assembly 15, a third side core-pulling assembly 16, a fourth side core-pulling assembly 17 and a fifth side core-pulling assembly 18, the first forming assembly 10 is connected with the first side core-pulling assembly 14, the first forming assembly 10 is arranged at intervals with the second forming assembly 11 and is connected with the second forming assembly 11 through the second side core-pulling assembly 15, the third forming assembly 12 is arranged at intervals with the second forming assembly 11 and is connected with the second forming assembly 11 through the third side core-pulling assembly 16, the fourth forming assembly 13 is arranged at intervals with the third forming assembly 12 and is connected with the third forming assembly 12 through the fourth side core-pulling assembly 17, the fourth forming assembly 13 is also connected with the fifth side core-pulling assembly 18, the first side core-pulling assembly 14 includes a first inclined core-pulling slider 201 capable of moving in a vertical direction, the second side core-pulling assembly 15 includes a second inclined core-pulling slider 301 capable of moving in a vertical direction, the third side core-pulling assembly 16 includes a third inclined core-pulling slider 401 capable of moving in a vertical direction, the fourth side core-pulling assembly 17 includes a fourth inclined core-pulling slider 501 capable of moving in a vertical direction, the fifth side core-pulling assembly 18 includes a fifth inclined core-pulling slider 601 capable of moving in a vertical direction, the first inclined core-pulling slider 201, the second inclined core-pulling slider 301, the third inclined core-pulling slider 401, the fourth inclined core-pulling slider 501 and the fifth inclined core-pulling slider 601 are all connected with the runner plate 9, the first forming assembly 10 includes a first feeding insert 101, the second forming assembly 11 includes a second feeding insert 104, the third forming assembly 12 includes a third feeding insert 107, the fourth forming assembly 13 includes a fourth feeding insert 111, the first feeding insert 101, the second feeding insert 104, the third feeding insert 107 and the fourth feeding insert 111 are all connected with the runner plate 9.

[0028] In the above structure: synchronous core pulling, significantly improve efficiency: the utility model discloses a plurality of component cooperative work system is designed to realize the through hole on all the pipe column in the structure of automobile oil pipe to the synchronous core pulling of automobile oil pipe structure. Avoid the high time cost brought by traditional method of core pulling one by one, greatly shorten the whole demolding cycle of oil pipe, improve the production efficiency. Compact structure, optimize space utilization: the mold is integrated with multiple forming components and side core pulling components. The layout between these components not only ensures the accurate forming of each through hole, but also maintains the compactness of the whole mold. Such design is conducive to reducing the equipment floor area, optimizing the production environment layout and reducing energy consumption. Enhance stability and reliability: each forming component and side core pulling component are tightly connected through the runner plate 9, ensuring the consistency and stability of the core pulling action. The precise motion control of the inclined core pulling slider in the vertical direction reduces the deviation and potential damage risk in the forming process, improves the service life of the mold and the qualification rate of the product. Flexible feeding design: each forming component is equipped with an independent feeding insert and connected with the runner plate 9, which not only ensures the smooth and uniform distribution of material flow, but also provides high flexibility for oil pipe production with different material characteristics, facilitating the adjustment and optimization of production process. Simplify the operation, reduce the cost: through the synchronous core pulling mechanism, the operation dependence on multiple independent core pulling mechanisms is reduced, the production process is simplified, the demand for manual intervention is reduced, the errors caused by complex operation are reduced, thereby reducing the overall production cost.

[0029] Specifically, the first forming assembly 10 further comprises a first forming block 102 and a first core column 103, the first forming block 102 is sleeved with the first core column 103, and a first pipe column mold cavity is formed between the first forming block 102 and the first core column 103, the first feeding block 101 is connected with the top of the first forming block 102, and the first core column 103 penetrates through the first forming block 102 and is connected with the first feeding block 101; the second forming assembly 11 further comprises a second forming block 105 and a second core column 106, the second forming block 105 is sleeved with the second core column 106, and a second pipe column mold cavity is formed between the second forming block 105 and the second core column 106, the second feeding block 104 is connected with the top of the second forming block 105, and the second core column 106 penetrates through the second forming block 105 and is connected with the second feeding block 104; the third forming assembly 12 further comprises a third forming block 108 and a third core column 109, the third forming block 108 is sleeved with the third core column 109, and a third pipe column mold cavity is formed between the third forming block 108 and the third core column 109, the third feeding block 107 is connected with the top of the third forming block 108, and the third core column 109 penetrates through the third forming block 108 and is connected with the third feeding block 107; the fourth forming assembly 13 further comprises a fourth forming block 112 and a fourth core column 113, the fourth forming block 112 is sleeved with the fourth core column 113, and a fourth pipe column mold cavity is formed between the fourth forming block 112 and the fourth core column 113, the fourth feeding block 111 is connected with the top of the fourth forming block 112, and the fourth core column 113 penetrates through the fourth forming block 112 and is connected with the fourth feeding block 111. The sleeving design of the forming block and the core column forms an accurate pipe column mold cavity, which not only ensures the accurate forming of the pipe column shape, but also ensures the stable supply of materials through the direct connection with the feeding block, thereby improving the forming quality and production stability.

[0030] Specifically, the first side core-pulling assembly 14 further comprises a first translation group and at least one first core rod 204, the first inclined pulling slide block 201 is connected with the runner plate 9 and the two are linked, one end of the first core rod 204 is connected with the first translation group, the other end of the first core rod 204 is movably inserted with the first forming block 102, the first inclined pulling slide block 201 is movably connected with the first translation group and has a first guide structure between the two, which can make the first translation group produce horizontal displacement; the first translation group comprises a first inclined guide block 202 and a first translation block 203, the first inclined guide block 202 is connected with the first translation block 203 and the two are linked, the first translation block 203 is connected with the first core rod 204, and the first guide structure comprises a first inclined sliding groove located on the first inclined guide block 202 and a first matching part located on the first inclined pulling slide block 201, the first inclined guide block 202 is movably connected with the first matching part on the first inclined pulling slide block 201 through the first inclined sliding groove. The linkage design of the first translation group and the first inclined pulling slide block 201, and the cooperation of the first inclined guide block 202 and the first inclined sliding groove, realize the accurate control of horizontal displacement, enhance the flexibility and accuracy of core-pulling action, and further ensure the efficiency and precision of the forming process.

[0031] Specifically, the second side core-pulling assembly 15 further comprises a second left translation assembly, a second right translation assembly, at least one second left core rod 304, and at least one second right core rod 306. The second inclined pulling slider 301 is connected with the runner plate 9 and the two are linked. One end of the second left core rod 304 is connected with the second left translation assembly, and the other end of the second left core rod 304 is movably inserted with the first forming insert block 102. One end of the second right core rod 306 is connected with the second right translation assembly, and the other end of the second right core rod 306 is movably inserted with the second forming insert block 105. The second left translation assembly and the second right translation assembly are respectively arranged on the two sides of the second inclined pulling slider 301. The second left translation assembly is movably connected with the second inclined pulling slider 301 and has a second left guide structure between the second left translation assembly and the second inclined pulling slider 301, which enables the second left translation assembly to produce horizontal displacement. The second right translation assembly is movably connected with the second inclined pulling slider 301 and has a second right guide structure between the second right translation assembly and the second inclined pulling slider 301, which enables the second right translation assembly to produce horizontal displacement. The second left translation assembly and the second right translation assembly are linked and move in opposite directions. The second left translation assembly comprises a second left inclined guide block 302 and a second left translation block 303. The second left inclined guide block 302 is connected with the second left translation block 303 and the two are linked. The second left translation block 303 is connected with the second left core rod 304. The second left guide structure comprises a second left inclined sliding groove on the second left inclined guide block 302 and a second left matching part on the second inclined pulling slider 301. The second left inclined guide block 302 is movably connected with the second left matching part on the second inclined pulling slider 301 through the second left inclined sliding groove. The second right translation assembly comprises a second right inclined guide block 307 and a second right translation block 305. The second right inclined guide block 307 is connected with the second right translation block 305 and the two are linked. The second right translation block 305 is connected with the second right core rod 306. The second right guide structure comprises a second right inclined sliding groove on the second right inclined guide block 307 and a second right matching part on the second inclined pulling slider 301. The second right inclined guide block 307 is movably connected with the second right matching part on the second inclined pulling slider 301 through the second right inclined sliding groove. The bilateral translation assembly of the second side core-pulling assembly 15 realizes more complex horizontal displacement control through the symmetrical configuration and opposite movement of the second left translation assembly and the second right translation assembly. This symmetrical and coordinated operation mechanism further realizes synchronous core pulling.

[0032] Specifically, the third side core-pulling assembly 16 further comprises a third left translation block, a third right translation block, at least one third left core rod 404 and at least one third right core rod 406, the third inclined core-pulling slider 401 is connected with the runner plate 9 and the two are linked, one end of the third left core rod 404 is connected with the third left translation block, the other end of the third left core rod 404 is movably inserted with the second forming insert block 105, one end of the third right core rod 406 is connected with the third right translation block, the other end of the third right core rod 406 is movably inserted with the third forming insert block 108, the third left translation block and the third right translation block are respectively arranged on the two sides of the third inclined core-pulling slider 401, the third left translation block is movably connected with the third inclined core-pulling slider 401 and the two have a third left guide structure capable of causing the third left translation block to produce horizontal displacement, the third right translation block is movably connected with the third inclined core-pulling slider 401 and the two have a third right guide structure capable of causing the third right translation block to produce horizontal displacement, the third left translation block and the third right translation block are linked and the directions of their movements are opposite; the third left translation block comprises a third left inclined guide block 402 and a third left translation block 403, the third left inclined guide block 402 is connected with the third left translation block 403 and the two are linked, the third left translation block 403 is connected with the third left core rod 404, the third left guide structure comprises a third left inclined sliding groove on the third left inclined guide block 402 and a third left matching part on the third inclined core-pulling slider 401, the third left inclined guide block 402 is movably connected with the third left matching part on the third inclined core-pulling slider 401 through the third left inclined sliding groove; the third right translation block comprises a third right inclined guide block 407 and a third right translation block 405, the third right inclined guide block 407 is connected with the third right translation block 405 and the two are linked, the third right translation block 405 is connected with the third right core rod 406, the third right guide structure comprises a third right inclined sliding groove on the third right inclined guide block 407 and a third right matching part on the third inclined core-pulling slider 401, the third right inclined guide block 407 is movably connected with the third right matching part on the third inclined core-pulling slider 401 through the third right inclined sliding groove. Similarly, the structure of the third side core-pulling assembly 16 further demonstrates the design concept of bilateral translation blocks, through the coordinated action of the third left translation block and the third right translation block, the efficient operation of the mold in the complex forming process is ensured, the ability of the mold to handle multi-hole structures is improved, and the efficiency and stability of the synchronous core-pulling process are improved.

[0033] Specifically, the fourth side core-pulling assembly 17 further comprises a fourth left translation block 503, a fourth right translation block 505, a fourth inclined guide block 502, at least one fourth left core rod 504, and at least one fourth right core rod 506. The fourth inclined pulling slide 501 is connected with the runner plate 9 and the two are linked. One end of the fourth left core rod 504 is connected with the fourth left translation block 503, and the other end of the fourth left core rod 504 is movably inserted with the third forming insert block 108. One end of the fourth right core rod 406 is connected with the fourth right translation block 505, and the other end of the fourth right core rod 506 is movably inserted with the fourth forming insert block 112. The fourth left translation block 503 and the fourth right translation block 505 are symmetrically arranged on the two sides of the fourth inclined guide block 502. The fourth left translation block 503 and the fourth inclined guide block 502, and the fourth right translation block 505 and the fourth inclined guide block 502 are movably matched through inclined surfaces. The fourth inclined pulling slide 501 is movably connected with the fourth inclined guide block 502 and has a fourth guide structure between the two, which can cause the fourth inclined guide block 502 to produce horizontal displacement. The fourth side core-pulling assembly 17 is unique in that it adopts the symmetrically arranged fourth left translation block 503 and fourth right translation block 505, and the inclined surface movably matched fourth inclined guide block 502. Because the third core column 109 is close to the fourth core column 113, the above-mentioned several side core-pulling assemblies cannot be matched and applied. Therefore, the inclined angle core-pulling is adopted, so that after the fourth inclined guide block 502 retreats, the fourth left translation block 503 and the fourth right translation block 505 can approach each other, thereby realizing synchronous core-pulling. This design simplifies the guide structure and also ensures the stability of synchronous core-pulling.

[0034] Specifically, the fifth side core-pulling assembly 18 further comprises a fifth translation block and at least one fifth core rod 604. The fifth inclined pulling slide 601 is connected with the runner plate 9 and the two are linked. One end of the fifth core rod 604 is connected with the fifth translation block, and the other end of the fifth core rod 604 is movably inserted with the fourth forming insert block 112. The fifth inclined pulling slide 601 is movably connected with the fifth translation block and has a fifth guide structure between the two, which can cause the fifth translation block to produce horizontal displacement. The fifth translation block comprises a fifth inclined guide block 602 and a fifth translation block 603. The fifth inclined guide block 602 is connected with the fifth translation block 603 and the two are linked. The fifth translation block 603 is connected with the fifth core rod 604. The fifth guide structure comprises a fifth inclined sliding groove on the fifth inclined guide block 602 and a fifth matching part on the fifth inclined pulling slide 601. The fifth inclined guide block 602 is movably connected with the fifth matching part on the fifth inclined pulling slide 601 through the fifth inclined sliding groove. The fifth side core-pulling assembly 18 continues the design idea of high efficiency and compactness. Through the linkage of the fifth translation block and the fifth inclined pulling slide 601, synchronous core-pulling is realized.

[0035] Specifically, an α-angled bending structure is arranged on the second inclined pulling slide 301, and α=155°.

[0036] Specifically, a β angle is formed between the third left translation block and the third right translation block, and the third inclined sliding block 401 is provided with a bending structure of the β angle, and β = 155°.

[0037] Specifically, a γ angle is formed between the fourth left translation block 503 and the fourth right translation block 505, and the γ angle is formed between the two inclined surfaces on the fourth inclined guide block 502, and γ = 70°.

[0038] The design of the specific angles (α, β, γ) in each side core-pulling assembly allows the mold to adapt to the molding requirements of complex geometries. The introduction of the bending structure enables the mold to achieve a more flexible core-pulling path in a limited space, which is particularly important for manufacturing products with special angles or non-linear features, greatly improving the versatility of the mold and the ability to manufacture complex parts.

[0039] Specifically, the mold body further comprises an upper mold base plate 1, an upper mold gasket plate 2, an upper mold frame 3, a lower mold frame 4, a lower mold gasket plate 5 and a lower mold base plate 6, the upper mold base plate 1 is located above the runner plate 9, the upper mold gasket plate 2 is located between the upper mold base plate 1 and the runner plate 9, the upper mold frame 3 is located below the runner plate 9, the upper mold frame 3 and the lower mold frame 4 are vertically superimposed, the lower mold gasket plate 5 is arranged below the lower mold frame 4, and the lower mold base plate 6 is located below the lower mold gasket plate 5; an upper forming panel and a lower forming panel are arranged between the upper mold frame 3 and the lower mold frame 4, the upper forming panel and the lower forming panel are vertically superimposed and connected, the first side core-pulling assembly 14, the second side core-pulling assembly 15, the third side core-pulling assembly 16 and the fourth side core-pulling assembly 17 are arranged between the runner plate 9 and the upper forming panel, the first core column 103, the second core column 106, the third core column 109 and the fourth core column 113 are fixedly connected with the lower mold gasket plate 5, and the lower mold base plate 6 and the lower mold gasket plate 5 are provided with a mold foot and a top plate assembly 8.

[0040] The core-pulling process: the mold is opened by the injection molding machine, the injection molding machine drives the upper mold frame 3 and the lower mold frame 4 to separate, the runner plate 9 vertically moves upward under the action of the injection molding machine, the first inclined sliding block 201, the second inclined sliding block 301, the third inclined sliding block 401, the fourth inclined sliding block 501, the fifth inclined sliding block 601, the first feeding insert 101, the second feeding insert 104, the third feeding insert 107 and the fourth feeding insert 111 are synchronously moved upward with the runner plate 9, thereby causing the lateral translation of each translation block and realizing synchronous core-pulling.

[0041] The basic principle, main features and advantages of the present application are described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection required by the present application is defined by the appended claims and their equivalents.

Claims

1. A tubing forming die, comprising a die body, wherein a movable flow channel plate is provided in the die body, characterized in that: The mold body is provided with a first molding component, a second molding component, a third molding component and a fourth molding component, and the mold body is also provided with a first side core pulling component, a second side core pulling component, a third side core pulling component, a fourth side core pulling component and a fifth side core pulling component. The first molding component is connected to the first side core pulling component, the first molding component and the second molding component are arranged at intervals and the two are connected through the second side core pulling component, the third molding component and the second molding component are arranged at intervals and the two are connected through the third side core pulling component, the fourth molding component and the third molding component are arranged at intervals and the two are connected through the fourth side core pulling component, and the fourth molding component is also connected to the fifth side core pulling component. The first side core pulling component, the second side core pulling component, the third side core pulling component, the fourth side core pulling component and the fifth side core pulling component are all connected to the runner plate.

2. The oil pipe forming die according to claim 1, characterized in that: The first molding assembly includes a first feed insert, a first molding insert, and a first core column, the first molding insert and the first core column are sleeved together to form a first tube column mold cavity therebetween, the first feed insert is connected to the top of the first molding insert, the first core column passes through the first molding insert and is connected to the first feed insert; the second molding assembly includes a second feed insert, a second molding insert, and a second core column, the second molding insert and the second core column are sleeved together to form a second tube column mold cavity therebetween, the second feed insert is connected to the top of the second molding insert, the second core column passes through the second molding insert and is connected to the second feed insert; The third molding assembly includes a third feed insert, a third molding insert and a third core column. The third molding insert is sleeved with the third core column to form a third tubular column mold cavity therebetween. The third feed insert is connected to the top of the third molding insert. The third core column passes through the third molding insert and is connected to the third feed insert. The fourth molding assembly includes a fourth feed insert, a fourth molding insert and a fourth core column. The fourth molding insert is sleeved with the fourth core column to form a fourth tubular column mold cavity therebetween. The fourth feed insert is connected to the top of the fourth molding insert. The fourth core column passes through the fourth molding insert and is connected to the fourth feed insert.

3. The oil pipe forming die according to claim 2, characterized in that: The cam is connected to the guide rail and the guide rail is connected to the first guide rail, and the cam is connected to the guide rail by the first engaging mouth.

4. The oil pipe forming die according to claim 2, characterized in that: The second side core pulling assembly includes a second left translation block, a second right translation block, a second oblique pulling slider, at least one second left core rod and at least one second right core rod, the second oblique pulling slider is connected to the flow channel plate and the two are linked, one end of the second left core rod is connected to the second left translation block, the other end of the second left core rod is movably plugged into the first forming insert, one end of the second right core rod is connected to the second right translation block, and the other end of the second right core rod is movably plugged into the second forming insert. The second left translation block and the second right translation block are respectively arranged on both sides of the second oblique pulling slider, the second left translation block is movably connected to the second oblique pulling slider and there is a second left guide structure between the two that can cause the second left translation block to produce horizontal displacement, the second right translation block is movably connected to the second oblique pulling slider and there is a second right guide structure between the two that can cause the second right translation block to produce horizontal displacement, the second left translation block and the second The second guide block is connected to the second right translation block and the second right translation block is linked together, and the two move in opposite directions; the second left translation block includes a second left inclined guide block and a second left translation block, and the two move in linkage; the second left inclined guide block includes a second left inclined slide groove on the second left inclined guide block and a second right matching portion on the second oblique withdrawal slide block, and the second left inclined guide block is movably connected to the second right matching portion on the second oblique withdrawal slide block through the second right oblique slide groove.

5. The oil pipe forming die according to claim 2, characterized in that: The third right translation block and the third oblique pulling slider are movably connected to each other, and a third left guide structure is provided between the two blocks, which can make the third left translation block produce horizontal displacement. The third right translation block and the third oblique pulling slider are movably connected, and a third right guide structure is provided between the two blocks, which can make the third right translation block produce horizontal displacement. The third left translation block and the third right translation block are movably connected to each other. The third left translation block is linked to the third left translation block and the two move in opposite directions; the third left translation block includes a third left inclined guide block and a third left translation block, the third left inclined guide block is connected to the third left translation block, and the two move in linkage, the third left translation block is connected to the third left core rod, the third left guide structure includes a third left inclined sliding groove on the third left inclined guide block and a third left matching portion on the third oblique withdrawal sliding block, and the third left oblique guide block is movably connected to the third left matching portion on the third oblique withdrawal sliding block through the third left oblique sliding groove; the third right translation block includes a third right oblique guide block and a third right translation block, the third right oblique guide block is connected to the third right translation block, and the two move in linkage, the third right translation block is connected to the third right core rod, the third right guide structure includes a third right oblique sliding groove on the third right oblique guide block and a third right matching portion on the third oblique withdrawal sliding block, and the third right oblique guide block is movably connected to the third right matching portion on the third oblique withdrawal sliding block through the third right oblique sliding groove.

6. The oil pipe forming die according to claim 5, characterized in that: The fourth side core pulling assembly includes a fourth left translation block, a fourth right translation block, a fourth inclined guide block, a fourth oblique pulling slider, at least one fourth left core rod and at least one fourth right core rod, the fourth oblique pulling slider is connected to the flow channel plate and the two are linked together, one end of the fourth left core rod is connected to the fourth left translation block, the other end of the fourth left core rod is movably inserted into the third forming insert, one end of the third right core rod is connected to the fourth right translation block, the other end of the fourth right core rod is movably inserted into the fourth forming insert, the fourth left translation block and the fourth right translation block are symmetrically arranged on both sides of the fourth oblique guide block, and the fourth left translation block and the fourth oblique guide block, the fourth right translation block and the fourth oblique guide block are all movably matched through inclined surfaces, the fourth oblique pulling slider is movably connected to the fourth oblique guide block, and a fourth guide structure is provided between the two that can cause the fourth oblique guide block to produce horizontal displacement.

7. The oil pipe forming die according to claim 2, characterized in that: The fifth side core-pulling assembly includes a fifth translation block, a fifth oblique pulling slider and at least one fifth core rod, the fifth oblique pulling slider is connected to the flow channel plate and the two are linked, one end of the fifth core rod is connected to the fifth translation block, the other end of the fifth core rod is movably inserted into the fourth molding insert, the fifth oblique pulling slider is movably connected to the fifth translation block, and a fifth guide structure is provided therebetween that can enable the fifth translation block to produce horizontal displacement; the fifth translation block includes a fifth oblique guide block and a fifth translation block, the fifth oblique guide block is connected to the fifth translation block and the two are linked, the fifth translation block is connected to the fifth core rod, the fifth guide structure includes a fifth oblique slide groove located on the fifth oblique guide block and a fifth matching portion located on the fifth oblique pulling slider, and the fifth oblique guide block is movably connected to the fifth matching portion on the fifth oblique pulling slider through the fifth oblique slide groove.

8. The oil pipe forming die according to claim 4, characterized in that: An angle α is formed between the second left translation block and the second right translation block, and a bending structure with an angle α is provided on the second oblique withdrawal slide block, where 0°<α<180°.

9. The oil pipe forming die according to claim 5, characterized in that: An angle β is formed between the third left translation block and the third right translation block, and a bending structure with an angle β is provided on the third oblique withdrawal slide block, where 0°<β<180°.

10. The oil pipe forming die according to claim 6, characterized in that: An angle γ is formed between the fourth left translation block and the fourth right translation block, and an angle γ is formed between the two inclined surfaces on the fourth inclined guide block, where 0°<γ<180°.

Citation Information

Cited By

  • Automobile oil pipe forming die

    CN118752714A

  • Automobile oil pipe forming die

    CN118752714B