A press machine mold

Abstract

The utility model discloses a kind of buckle press machine mould, it is related to buckle press machine processing technical field, including multiple mould units, the cross-sectional shape of each mould unit is fan-shaped, each mould unit is along annular array arrangement and the outer side of mould unit is connected with buckle press machine, the inner side of its mould unit is collectively enclosed to form buckle press cavity, buckle press cavity is used to place to be buckled pipe fitting assembly, wherein, the inner side of at least two mould units is equipped with differentiating relief structure, relief structure is used to form preset mark on the surface of pipe fitting in buckle press process simultaneously. The above-mentioned buckle press machine mould, realize the integration of buckle press and marking process to be completed, and then improve production efficiency, reduce production cost.

Description

Technical Field

[0001] This utility model relates to the field of crimping machine processing technology, and in particular to a crimping machine mold. Background Technology

[0002] A crimping machine (also known as a hose shrinking machine, hose crimping machine, etc.) is a hydraulic device widely used in the manufacture of hydraulic hose assemblies. It is mainly used to firmly crimp metal fittings onto high-pressure oil pipes, brake pipes, oil pipes, and other fittings using radial shrinkage force applied by a mold. In traditional production processes, hydraulic hose assemblies must first undergo a crimping process, followed by laser marking of the manufacturer's logo or a special logo specified by the customer on the sleeve surface. This step-by-step processing method has significant efficiency bottlenecks: First, separating the crimping and marking processes prolongs the production process, increasing workpiece turnaround time and labor costs; second, secondary positioning may introduce errors, affecting the consistency of the marking position; third, the investment and maintenance costs of laser marking equipment are high, further increasing production costs.

[0003] Therefore, how to provide a composite mold that integrates pressing and marking functions to achieve the simultaneous completion of the two processes is a technical problem that needs to be solved by those skilled in the art. Utility Model Content

[0004] The purpose of this invention is to provide a crimping machine mold that solves the technical problem that existing crimping molds cannot simultaneously complete the two processes of crimping and marking.

[0005] To achieve the above objectives, this utility model provides a crimping machine mold, comprising:

[0006] Multiple mold units, each with a fan-shaped cross-section, are arranged in a circular array and their outer surfaces are connected to the crimping machine. The inner surfaces of the mold units together form a crimping cavity, which is used to place the pipe fitting assembly to be crimped. At least two of the mold units have differentiated raised texture structures on their inner surfaces, which are used to simultaneously form a preset mark on the surface of the pipe fitting during the crimping process.

[0007] Preferably, each of the mold units has a mounting hole along its radial center line, the mounting hole being used to connect with the connector of the crimping machine.

[0008] Preferably, the number of mold units is 8.

[0009] Preferably, each of the mold units has a support hole in the axial direction.

[0010] Preferably, it further includes an assembly component, the assembly component comprising:

[0011] Operating handle;

[0012] An annular support disc fixedly connected to the operating handle;

[0013] A plurality of positioning pillars are evenly distributed along the circumference of the annular support disk;

[0014] The positioning support is adapted to the support hole on each mold unit and is used to support the mold unit group in the non-working state.

[0015] Preferably, the positioning support and the support hole are in clearance fit.

[0016] Preferably, the textured structure and the mold unit are integrally formed.

[0017] Preferably, the surface of the mold unit is provided with a titanium nitride wear-resistant coating.

[0018] Preferably, the mold unit is a carbon steel mold unit.

[0019] Preferably, it also includes a limiting stop for limiting the maximum radial displacement of the mold unit.

[0020] Compared with the above-mentioned background technology, the crimping machine mold provided by this utility model, during the crimping process, when the crimping machine applies pressure to close the mold unit, through the direct contact between the embossed structure and the surface of the pipe fitting, simultaneously imprints a clear, durable and neatly designed pre-set mark on the sleeve surface of the crimping pipe fitting assembly, realizing the integrated completion of the crimping and marking processes, thereby improving production efficiency and reducing production costs. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the working process of the crimping machine mold provided in this embodiment of the utility model;

[0023] Figure 2 This is a schematic diagram of the crimping cavity structure provided in an embodiment of the present utility model;

[0024] Figure 3 This is a schematic diagram of the raised texture structure provided in an embodiment of the present utility model;

[0025] Figure 4 This is a schematic diagram of the crimping machine mold assembly provided in an embodiment of the present utility model.

[0026] in:

[0027] 1-Mold unit, 2-Crimping machine, 3-Crimping chamber, 4-Crimping fitting assembly, 5-Ribbonded structure, 6-Mounting hole, 7-Support hole, 8-Operating handle, 9-Annular support plate, 10-Positioning support column. Detailed Implementation

[0028] 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.

[0029] To enable those skilled in the art to better understand the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0030] See Figures 1-3 The present application provides a crimping machine mold, including multiple mold units 1, each mold unit 1 having a fan-shaped cross-section. The mold units 1 are arranged in a circular array and the outer side of the mold unit 1 is connected to the crimping machine 2. The inner side of the mold units 1 together form a crimping cavity 3, which is used to place the pipe fitting assembly 4 to be crimped. At least two mold units 1 have differentiated raised texture structures 5 on their inner side. The raised texture structures 5 are used to simultaneously form a preset mark on the surface of the pipe fitting during the crimping process.

[0031] In other words, each mold unit 1 has a standard fan-shaped cross-section. These mold units 1 are precisely arranged in a circular array and are mechanically connected to the crimping machine 2 via their outer surfaces, forming a complete mold assembly module. The inner surfaces of each mold unit 1 together enclose a closed and precisely sized crimping cavity 3, which is specifically used to hold the pipe assembly 4 to be crimped, ensuring stable positioning of the pipe during the crimping process. Specifically, at least two mold units 1 have differentiated raised texture structures 5 on their inner surfaces. These raised texture structures 5 are formed using a precision engraving process (including but not limited to company logos, product specification codes, production batch marks, or special markings specified by the client). The purpose is that during the crimping process, when the crimping machine 2 applies pressure to close the mold unit 1, the raised texture structure 5 directly contacts the surface of the pipe assembly, simultaneously imprinting a clear, durable, and neatly designed mark onto the sleeve surface of the crimped pipe assembly 4. This achieves integrated completion of the crimping and marking processes, thereby improving production efficiency and reducing production costs.

[0032] Based on the above embodiments, the initial diameter of the crimping cavity 3 is set to be larger than the actual outer diameter of the pipe fitting assembly 4 to be crimped, ensuring that the pipe fitting can be smoothly and unobstructedly placed into the crimping cavity. Under the driving action of the crimping machine 2, each mold unit 1 achieves radial synchronous contraction, causing the crimping cavity 3 to gradually shrink to the preset crimping size, thereby achieving seamless connection between the two major processes of crimping and marking. For example, when processing the connector sleeve, if the outer diameter before crimping is 37mm and the required diameter after crimping is 33.3mm, then the preset diameter of the crimping cavity 3 needs to be set to 32mm. This value has taken into account the elastic deformation of the carbon steel mold material and the requirement for the marking imprinting depth. The raised texture structure 5 on the inner wall of the mold will simultaneously imprint a clear and durable mark on the surface of the pipe fitting, ultimately achieving the integrated completion of crimping and marking transfer.

[0033] Furthermore, the raised structure 5 has a raised height of 0.2-0.5mm, which can ensure that the markings are clear and identifiable without affecting the fastening quality.

[0034] Based on the above embodiments, each mold unit 1 is provided with a mounting hole 6 along its radial center line, and the mounting hole 6 is used to connect with the connecting parts of the crimping machine 2.

[0035] Specifically, to ensure the connection and stable transmission between the mold unit 1 and the crimping machine 2, each mold unit 1 is provided with a standardized mounting hole 6 along its radial center line. The diameter of the mounting hole 6 is matched with the special connecting parts (such as high-strength bolts or locating pins) of the crimping machine 2, and a reliable connection between the mold unit 1 and the main shaft of the crimping machine 2 is achieved by mechanical fastening.

[0036] Based on the above embodiments, the number of mold units 1 is 8. When the 8 mold units are evenly distributed along the circumference, the included angle between adjacent units is 45°, which can form a stable mechanical balance structure and effectively avoid mold displacement caused by uneven force during the pressing process.

[0037] Based on the above embodiments, see Figure 4 Each mold unit 1 has a support hole 7 in the axial direction. It also includes an assembly assembly, which includes an operating handle 8; an annular support plate 9 fixedly connected to the operating handle 8; and a plurality of positioning supports 10 evenly distributed around the annular support plate 9. The positioning supports 10 are adapted to the support holes on each mold unit 1 and are used to support the mold unit assembly in the non-working state.

[0038] Specifically, each mold unit 1 is provided with a standardized support hole 7 in the axial direction. The axis of the support hole 7 intersects perpendicularly with the radial center line of the mold unit 1. The axial position of the support hole 7 is set in the middle area of ​​the mold unit 1, which avoids the forming area of ​​the pressing cavity 3 and facilitates the operator to apply force for assembly.

[0039] The operating handle 8 is made of high-strength aluminum alloy. The annular support plate 9 is rigidly connected to the operating handle 8. The plate body is made of carbon steel, and its outer diameter matches the outer diameter of the annular array of the mold unit 1. There are a total of 8 positioning pillars 10, which are made of 45# steel and heat treated. One end is fixed in the positioning hole of the annular support plate 9, and the other end is a tapered guide structure that forms a guide fit with the support hole 7 of the mold unit 1.

[0040] During assembly, the operator uses the operating handle 8 to align the tapered end of the positioning support column 10 of the annular support plate 9 with the support hole 7, and then assembles 8 mold units 1 on the crimping machine 2.

[0041] Based on the above embodiments, the positioning support 10 and the support hole 7 are fitted with a clearance, with the clearance controlled between 0.5 and 1.5. This ensures that the positioning support 10 can be smoothly inserted / removed, while also preventing excessive clearance from causing tilting during assembly.

[0042] Based on the above embodiments, the textured structure 5 and the mold unit 1 are integrally formed. That is to say, the textured structure 5 and the mold unit 1 are manufactured using an integral forming process. The integral forming process eliminates the connection gaps or weak points that may occur in traditional assembly processes between the textured structure 5 and the mold unit 1. During the long-term use of the mold, the integrally formed structure can ensure that the textured structure 5 is always firmly fixed on the mold unit 1 and will not loosen or fall off due to repeated stress. This greatly improves the overall structural strength and stability of the mold and effectively extends the service life of the mold.

[0043] Based on the above embodiments, the surface of mold unit 1 is provided with a titanium nitride wear-resistant coating; mold unit 1 is a carbon steel mold unit, that is, mold unit 1 uses carbon steel as the base material. Carbon steel has high strength and hardness, and can maintain a stable shape and structure when subjected to huge pressure and stress during the molding process, and is not easy to deform or be damaged.

[0044] Furthermore, a titanium nitride wear-resistant coating is applied to the surface of mold unit 1. This coating can withstand most of the frictional forces, effectively reducing wear on the carbon steel substrate and significantly extending the mold's service life. Simultaneously, the titanium nitride coating also possesses excellent chemical stability, resisting the erosion of various chemicals to a certain extent, such as lubricants, release agents, and some corrosive plastic additives that may be encountered during the molding process. The perfect combination of the carbon steel substrate and the titanium nitride wear-resistant coating provides structural strength to the mold, ensuring its stability and reliability under complex working conditions; while the titanium nitride wear-resistant coating significantly improves the mold's wear and corrosion resistance, reducing wear and corrosion damage during use.

[0045] Based on the above embodiments, a limiting block is also included to limit the maximum radial displacement of the mold unit 1. That is, when the mold unit 1 moves radially to near the preset maximum displacement during the pressing process, the limiting block will contact the mold unit 1 in time to generate a mechanical blocking effect, thereby forcibly preventing the mold unit 1 from continuing to move radially and ensuring that its displacement is always controlled within a safe range.

[0046] It should be noted that the limit stop setting in this application is a direct application of the prior art. Therefore, in order to avoid redundancy, the specific structure of the limit stop component will not be described in detail in this application.

[0047] It should be noted that in this specification, relational terms such as first and second are used only to distinguish one entity from several other entities, and do not necessarily require or imply any such actual relationship or order between these entities.

[0048] This article uses specific examples to illustrate the principles and implementation methods of this utility model. The descriptions of the above embodiments are only for the purpose of helping to understand the method and core ideas of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made to this utility model without departing from the principles of this utility model, and these improvements and modifications also fall within the protection scope of the claims of this utility model.

Claims

1. A crimping machine mold, characterized in that, include: Multiple mold units (1), each mold unit (1) has a fan-shaped cross-section. Each mold unit (1) is arranged in a circular array and its outer side is connected to the crimping machine (2). The inner side of each mold unit (1) together forms a crimping cavity (3). The crimping cavity (3) is used to place the pipe fitting assembly (4) to be crimped. At least two of the mold units (1) have differentiated raised texture structures (5) on their inner sides. The raised texture structures (5) are used to simultaneously form a preset mark on the surface of the pipe fitting during the crimping process.

2. The crimping machine mold according to claim 1, characterized in that, Each of the mold units (1) is provided with a mounting hole (6) along its radial center line, the mounting hole (6) being used to connect with the connector of the crimping machine (2).

3. The crimping machine mold according to claim 2, characterized in that, The number of mold units (1) is 8.

4. The crimping machine mold according to claim 3, characterized in that, Each of the mold units (1) is provided with a support hole (7) in the axial direction.

5. The crimping machine mold according to claim 4, characterized in that, It also includes an assembly component, the assembly component comprising: Operating handle (8); An annular support disk (9) is fixedly connected to the operating handle (8). A number of positioning pillars (10) are evenly distributed around the annular support disk (9). The positioning support (10) is adapted to the support hole (7) on each mold unit (1) and is used to support the mold unit group in the non-working state.

6. The crimping die according to claim 5, characterized in that, The positioning support (10) and the support hole (7) are in clearance fit.

7. The crimping die according to any one of claims 1-6, characterized in that, The textured structure (5) and the mold unit (1) are integrally formed.

8. The crimping machine mold according to claim 7, characterized in that, The surface of the mold unit (1) is provided with a titanium nitride wear-resistant coating.

9. The crimping machine mold according to claim 8, characterized in that, The mold unit (1) is a carbon steel mold unit.

10. The crimping machine mold according to claim 9, characterized in that, It also includes a limit stop for limiting the maximum radial displacement of the mold unit (1).

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