Bent pipe mold structure
By designing an automated core pulling structure and transmission system, the problems of low production efficiency, easy stagnation and insufficient torque of existing curved pipe molds are solved, efficient automated production is achieved, cost reduction and promotion of the development of the mold manufacturing industry.
Patent Information
- Application Number
- CN202421719193.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-18
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2034-07-18
AI Technical Summary
The core pulling structure of existing curved pipe molds is too complex and has poor stability, resulting in low production efficiency, high labor costs, and easy stagnation and insufficient torque.
A bent pipe mold including a core pulling structure and a transmission structure is designed. The automatic core pulling is achieved using components such as the rack, core pulling swing arm, transmission rack and oil cylinder. Through the cooperation of the gear box plate and the arc guide rail, the automatic mold release of the bent pipe is achieved.
It realizes automatic pipe bending and core extraction, improves production efficiency, saves manpower, shortens production cycle, reduces costs, and solves the problems of easy stagnation and insufficient torque, which promotes technological progress in the mold manufacturing industry.
Smart Images
Figure CN223115776U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mold manufacturing, in particular to a bending pipe mold structure. Background Technique
[0002] The core of the core-pulling technology of the bending pipe mold lies in the design of the core-pulling structure, and its complexity directly affects the accuracy and stability of the bending pipe forming. At present, the core-pulling structures of some molds are too complex and have poor stability, and there are technical problems such as easy jamming and insufficient torque in the core-pulling structure. This increases the manufacturing and maintenance costs of the bending pipe mold, and also increases the working difficulty. The core-pulling structure of the traditional bending pipe mold is usually "manual type", and it is necessary to manually pull out the bending pipe core after the injection molding is completed. Since full-automatic production cannot be achieved, there are technical problems of low production efficiency and increased labor costs.
[0003] Under this background, a bending pipe mold structure is provided. This structure is simple and has low manufacturing cost, can achieve precise control of the core-pulling structure during the mold manufacturing process, improves production efficiency, reduces manufacturing cost, and at the same time ensures the stability of product quality. Content of the Utility Model
[0004] To solve the above technical problems, the utility model aims to propose a bending pipe mold structure. The purpose of the utility model is achieved through the following technical solutions:
[0005] Provide a bending pipe mold structure, including a core-pulling structure and a transmission structure; the core-pulling structure includes a bending rack and a core-pulling swing arm, one end of the core-pulling swing arm is connected to the bending rack, the bending rack is arc-shaped, and a tooth body is provided on the outer circle of the bending rack. The transmission structure is arranged outside the bending rack, and the transmission structure includes a transmission rack, and the transmission rack meshes with the tooth body of the bending rack.
[0006] Further, the transmission structure further includes an oil cylinder and an oil cylinder fixing plate. The oil cylinder is arranged on the oil cylinder fixing plate, the oil cylinder is connected to the transmission rack, and the oil cylinder drives the transmission rack to make a reciprocating motion along the output end of the oil cylinder.
[0007] Further, the core-pulling structure further includes a gear box plate, and the bending rack is arranged on the gear box plate.
[0008] Further, the core-pulling structure further includes a pressing plate, and the bending rack is arranged between the gear box plate and the pressing plate.
[0009] Further, the bending rack is fixedly connected to the pressing plate through a locking member, and the locking member is an inner hexagon screw and a first pin.
[0010] Further, an arc guide rail is provided on one side of the gearbox plate close to the bent rack, and the bent rack can reciprocate along the arc guide rail.
[0011] Further, the core-pulling structure further includes a bent core, and the bent core is connected to one end of the core-pulling swing arm away from the bent rack.
[0012] Preferably, the connection between the bent core and the core-pulling swing arm is fixed by a second pin.
[0013] Further, one end of the core-pulling swing arm is fixedly connected to the bent rack by a first hexagon screw.
[0014] Further, a slider is provided between the oil cylinder and the transmission rack, and the transmission rack is connected to the oil cylinder through the slider.
[0015] Preferably, a T-shaped groove is provided on the oil cylinder fixing plate, and a protrusion adapted to the T-shaped groove is provided on the slider.
[0016] Further, the core-pulling structure further includes a mold base body, the oil cylinder fixing plate is fixed on one side of the mold base body, and the gearbox plate is arranged on the mold base body.
[0017] Preferably, the oil cylinder fixing plate is fixed on one side of the mold base body by a second hexagon screw.
[0018] The beneficial effects compared with the prior art are as follows:
[0019] The utility model provides a bent pipe mold structure. Through the setting of this structure, the technical problem of relatively low efficiency of the traditional bent pipe mold that requires manual extraction of the bent pipe after injection molding is solved. The utility model realizes automatic pipe bending and core pulling, greatly saves manpower, improves production efficiency, shortens the production cycle, and saves costs. The bent pipe mold structure is simple, safe and reliable. It not only solves the technical problems of easy jamming and insufficient torque existing in the traditional bent pipe mold structure, but also promotes the technological progress and industrial upgrading of the mold manufacturing industry. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.
[0021] Figure 1 It is a cross-sectional view of the bent pipe mold structure of the embodiment of the present utility model;
[0022] Figure 2Explosion view of the structure of the bending pipe die in the embodiment of the present utility model;
[0023] Figure 3 Schematic structural diagram of the bending pipe die structure in the embodiment of the present utility model in the closed die state
[0024] Figure 4 is Figure 3 Enlarged view of part A in
[0025] Figure 5 Schematic structural diagram of the bending pipe die structure in the embodiment of the present utility model in the open die state;
[0026] Figure 6 is Figure 5 Enlarged view of part B in
[0027] Explanation of the markings in the figure:
[0028] 1 - Bending rack; 2 - Core pulling swing arm; 3 - Driving rack; 4 - First hexagon screw; 5 - Oil cylinder; 6 - Oil cylinder fixing plate; 7 - Slide block; 8 - Gearbox plate; 9 - Pressing plate; 10 - Socket head cap screw; 11 - First pin; 12 - Arc guide rail; 13 - Bending core; 14 - Die block body; 15 - Product. Specific implementation mode
[0029] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.
[0030] It should be understood that when used in this specification and the appended claims, the terms "comprising" and "including" indicate the presence of the described features, wholes, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, wholes, steps, operations, elements, components, and / or their combinations.
[0031] It should also be understood that the terms used in this specification of the present utility model are only for the purpose of describing specific embodiments and are not intended to limit the present utility model. As used in this specification of the present utility model and the appended claims, unless the context clearly indicates otherwise, the singular forms "a", "an", and "the" are intended to include the plural forms.
[0032] It should be noted that the orientation or positional relationship indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the inventive product is customarily placed during use. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the present invention.
[0033] Terms such as "parallel" and "perpendicular" do not mean that the components are required to be absolutely parallel or perpendicular, but may be slightly inclined. For example, "parallel" only means that its direction is more parallel relative to "perpendicular", and does not mean that the structure must be completely parallel, but may be slightly inclined.
[0034] In the description of the present invention, it should also be noted that unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be directly connected, or indirectly connected through an intermediate medium, and may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0035] Embodiment
[0036] Please refer to Figures 1 - 6The shown bent pipe die structure includes a core-pulling structure and a transmission structure. The core-pulling structure includes a bent rack 1 and a core-pulling swing arm 2. One end of the core-pulling swing arm 2 is connected to the bent rack 1. The bent rack 1 is arc-shaped, and a tooth body is provided on the outer circle of the bent rack 1. The transmission structure is arranged outside the bent rack 1. The transmission structure includes a transmission rack 3, and the transmission rack 3 meshes with the tooth body of the bent rack 1. In this embodiment, one end of the core-pulling swing arm 2 and the bent rack 1 are fixedly connected by a first hexagon screw 4. The transmission structure further includes an oil cylinder 5 and an oil cylinder fixing plate 6. The oil cylinder 5 is arranged on the oil cylinder fixing plate 6. The oil cylinder 5 is connected to the transmission rack 3, and the oil cylinder 5 drives the transmission rack 3 to make a reciprocating motion along the output end of the oil cylinder 5. A slider 7 is arranged between the oil cylinder 5 and the transmission rack 3, and the transmission rack 3 is connected to the oil cylinder 5 through the slider 7. In this embodiment, a T-shaped groove is provided on the oil cylinder fixing plate 6, and a protrusion adapted to the T-shaped groove is provided on the slider 7, and the protrusion is slidably connected to the T-shaped groove. The core-pulling structure further includes a gear box plate 8, and the bent rack 1 is arranged on the gear box plate 8. The core-pulling structure further includes a pressing plate 9, and the bent rack 1 is arranged between the gear box plate 8 and the pressing plate 9. The bent rack 1 is fixedly connected to the pressing plate 9 through a locking member, and the locking member is an internal hexagon screw 10 and a first pin 11. An arc guide rail 12 is provided on one side of the gear box plate 8 close to the bent rack 1, and the bent rack 1 can make a reciprocating motion along the arc guide rail 12. The core-pulling structure further includes a bent core 13, and the bent core 13 is connected to the end of the core-pulling swing arm 2 far from the bent rack 1. In this embodiment, the connection between the bent core 13 and the core-pulling swing arm 2 is fixed by a second pin. The core-pulling structure further includes a die body 14, and the oil cylinder fixing plate 6 is fixed on one side of the die body 14. In this embodiment, the oil cylinder fixing plate 6 is fixed on one side of the die body 14 by a second hexagon screw. The gear box plate 8 is arranged on the die body 14.
[0037] First, an injection molding machine and an ejection system are respectively connected to the bent pipe die structure. The product 15 is injection molded by the injection molding machine. At this time, the product 15 is clamped and connected to the bent core 13 of the bent pipe die structure. At this time, the bent pipe die structure is in a closed mold state. When the oil cylinder 5 is driven, the protrusion on the slider 7 moves along the top of the T-shaped groove, driving the transmission rack 3 to move along the output end direction of the oil cylinder 5. The transmission rack 3 meshes with the tooth body of the bent rack 1, thereby driving the bent rack 1 to move along the arc guide rail 12, and further enabling the core-pulling swing arm 2 connected to the bent rack 1 to drive the bent core 13 to demold, releasing the clamping connection between the bent core 13 and the product 15. At this time, the bent pipe die structure is in an open mold state. The product 15 separated from the bent core 13 is taken out by the product manipulator of the ejection system.
[0038] After the product 15 is taken out, the ejection system resets. The oil cylinder 5 drives the slider 7 to drive the transmission rack 3 to reset. The protrusion on the slider 7 moves along the bottom of the T-shaped groove, driving the transmission rack 3 to reset. The transmission rack 3 meshes with the tooth body of the bent rack 1, thereby driving the bent rack 1 to reset along the arc guide rail 12. The product 15 is injection-molded by the injection molding machine. At this time, the product 15 is clamped and connected to the core 13 of the bent pipe mold structure, thus realizing fully automatic production.
[0039] The present utility model provides a bent pipe mold structure. Through the setting of this structure, the technical problem of relatively low efficiency of the traditional bent pipe mold that requires manual pulling out of the bent pipe after injection molding is solved. The present utility model realizes automatic pipe bending and core pulling, greatly saving manpower, improving production efficiency, shortening the production cycle, and saving costs. The bent pipe mold structure is simple, safe and reliable. It not only solves the technical problems of easy jamming and insufficient torque existing in the traditional bent pipe mold structure, but also promotes the technological progress and industrial upgrading of the mold manufacturing industry. Due to the characteristics of high efficiency and high customization, the bent pipe mold structure provided by the present utility model has been widely used in the field of mold manufacturing. Whether it is automotive molds, home appliance molds, or medical molds, the pipe bending and core pulling technology plays an important role, improving the quality and performance of products and promoting the development of the industry.
[0040] The above is only the specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model can easily think of various equivalent modifications or substitutions, and these modifications or substitutions should be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims
1. A bending pipe die structure, characterized in that, It includes a core-pulling structure and a transmission structure; the core-pulling structure includes a bent rack and a core-pulling swing arm, one end of the core-pulling swing arm is connected to the bent rack, the bent rack is arc-shaped, and a tooth body is provided on the outer ring of the bent rack. The transmission structure is arranged on the outside of the bent rack and includes a transmission rack, and the transmission rack meshes with the tooth body of the bent rack.
2. The bent pipe die structure according to claim 1, wherein The transmission structure further includes an oil cylinder and an oil cylinder fixing plate. The oil cylinder is arranged on the oil cylinder fixing plate. The oil cylinder is connected to the transmission rack, and the oil cylinder drives the transmission rack to make reciprocating movements along the output end of the oil cylinder.
3. The bent pipe die structure according to claim 2, characterized in that, The core-pulling structure further includes a gear box plate, and the bent rack is arranged on the gear box plate.
4. The bent pipe die structure according to claim 3, characterized in that, The core-pulling structure further includes a pressing plate, and the bent rack is arranged between the gear box plate and the pressing plate.
5. The bent pipe die structure according to claim 4, characterized in that, The bent rack is fixedly connected to the pressing plate through a locking member, and the locking member is an inner hexagon screw and a first pin.
6. The bent pipe die structure according to claim 5, characterized in that, An arc-shaped guide rail is provided on the side of the gear box plate close to the bent rack, and the bent rack can make reciprocating movements along the arc-shaped guide rail.
7. The bent pipe die structure according to claim 1, characterized in that, The core-pulling structure further includes a bent core, and the bent core is connected to the end of the core-pulling swing arm far from the bent rack.
8. The bent pipe die structure according to claim 1, characterized in that, One end of the core-pulling swing arm is fixedly connected to the bent rack through a first hexagon screw.
9. The bent pipe die structure according to claim 2, characterized in that, A slider is provided between the oil cylinder and the transmission rack, and the transmission rack is connected to the oil cylinder through the slider.
10. The bent pipe die structure according to claim 3, characterized in that, The core-pulling structure further includes a mold base body. The oil cylinder fixing plate is fixed on one side of the mold base body, and the gear box plate is arranged on the mold base body.