CN223629312U

CN223629312U - A vertical dieless stretching machine

Info

Publication number: CN223629312U
Application number: CN202520215665.8U
Authority: CN
Inventors: 王玉国
Original assignee: Beijing Guosheng Zhongheng Technology Co ltd
Current assignee: Beijing Guosheng Zhongheng Technology Co ltd
Priority date: 2025-01-07
Filing date: 2025-02-11
Publication date: 2025-12-05
Anticipated expiration: 2035-02-11

Abstract

This utility model discloses a vertical moldless stretching machine, relating to the technical field of parts processing equipment. The utility model includes a foundation, a bed fixedly connected to one side of the upper surface of the foundation by bolts, a workpiece body mounted on the upper end of the bed, and a central hydraulic cylinder fixedly connected to the middle of the bed for providing thrust to stretch the workpiece body. This utility model, by adopting a moldless processing principle, eliminates the need for dedicated molds, significantly reducing operating costs, improving production flexibility, reducing the labor intensity of operators, and shortening auxiliary work time. Simultaneously, its reasonable structural design and simple operation steps, requiring no complex operating skills, lower the technical requirements for operators, and improve production efficiency. Through the cooperation of fastening bolts and T-slots, it can adapt to workpiece bodies of different specifications, enhancing the versatility and flexibility of the equipment. The setting of the pressure ring ensures the stability and uniformity of the stretching process.

Description

Vertical die-free stretcher

Technical Field

The utility model belongs to the technical field of part processing equipment, and particularly relates to a vertical die-free stretching machine.

Background

In the field of parts processing, particularly for processing large-size shallow disc parts, a traditional processing method mainly adopts a conventional 4-column oil press for carrying out die pressing processing, however, the method has the following defects:

1. The traditional part stretching processing equipment has higher use requirement, which means that enterprises need to invest more funds in purchasing and maintaining such high-specification equipment, secondly, the mould cost is expensive, which increases the production cost, for enterprises needing to mass produce parts with different specifications, the accumulation of the mould cost is a little expense, and finally, the traditional mould pressing processing mode probably needs complex operation steps and higher operation skills, which limits the improvement of the production efficiency to a certain extent and is unfavorable for improving the practicability of the equipment.

For this purpose we propose a vertical dieless drawing machine.

Disclosure of utility model

The utility model aims to solve the problems that the traditional part stretching processing equipment in the prior art has higher use requirement, which means that enterprises need to invest more funds in purchasing and maintaining the equipment with high specification, secondly, the mould cost is expensive, the production cost is increased, for enterprises needing to produce parts with different specifications in large quantity, the accumulation of the mould cost is not little expense, and finally, the traditional mould pressing processing mode possibly needs complex operation steps and higher operation skills, which limits the improvement of the production efficiency to a certain extent and is not beneficial to improving the practicability of the equipment.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a vertical die-less stretcher comprising:

The device comprises a foundation, wherein one side of the upper surface of the foundation is fixedly connected with a lathe bed through bolts, the upper end of the lathe bed is provided with a workpiece body, and the middle part of the lathe bed is fixedly connected with a central hydraulic cylinder for providing thrust to stretch the workpiece body;

The limiting assembly comprises a blank holder arranged at the upper end of the lathe bed, the lower surface of the blank holder is tightly attached to the edge of the upper surface of the workpiece body and used for limiting and pressing the edge of the workpiece body and bearing the reactive force of the thrust of the central hydraulic cylinder.

In one possible design, a plurality of T-shaped grooves are annularly formed in the upper end of the lathe bed, fastening bolts are slidably connected in the T-shaped grooves, the upper ends of the fastening bolts penetrate through the blank holder and are fixedly connected through nuts, and the workpiece body is matched with the fastening bolts in a clamping manner and used for fixing and limiting the blank holder and the workpiece body.

In one possible design, the output end of the central hydraulic cylinder is fixedly connected with a pushing plate, and the upper surface of the pushing plate is tightly attached to the lower surface of the workpiece body and is used for pushing and stretching the workpiece body.

In one possible design, the other side of the upper surface of the foundation is provided with a hydraulic pump station for powering a central hydraulic cylinder.

In one possible design, the upper end of the hydraulic pump station is fixedly connected with a distribution box.

In one possible design, one side of the upper end of the distribution box is rotationally connected with a connecting rod, and the lower end of the connecting rod is rotationally connected with an operation box for controlling the action of the central hydraulic cylinder and displaying the working state of the equipment.

In the application, when the hydraulic stretching machine is used, the workpiece body is firstly placed at the upper end of the machine body and positioned through the limiting component, the edge pressing ring in the limiting component is tightly attached to the edge of the upper surface of the workpiece body, limiting compaction of the edge of the workpiece is realized, the fastening bolt is connected in a sliding manner through a plurality of T-shaped grooves formed in the annular shape at the upper end of the machine body, the upper end of the fastening bolt penetrates through the edge pressing ring and is fixedly connected through a nut, meanwhile, the workpiece body is matched with the fastening bolt in a clamping manner, the design ensures the stability of the edge pressing ring and the workpiece body, the stretcher can be suitable for workpiece bodies with different specifications, meanwhile, the hydraulic pump station provides power for the central hydraulic cylinder, the push plate fixedly connected with the output end of the central hydraulic cylinder pushes the workpiece body to stretch, the upper surface of the push plate is tightly attached to the lower surface of the workpiece body, the stability and uniformity of the stretching process are ensured, the operation box is connected with the distribution box through the connecting rod, the action of the central hydraulic cylinder can be controlled, and the working state of equipment is displayed in real time, and a convenient operation interface and a visual monitoring means are provided for users.

According to the vertical die-free stretcher, the die-free machining principle is adopted, a special die is not used, so that the use cost is greatly reduced, the production flexibility is improved, the labor intensity of staff operation is reduced, the auxiliary working time is shortened, meanwhile, the structure design is reasonable, the operation steps are simple, complex operation skills are not needed, the technical requirements on operators are reduced, and the production efficiency is improved;

According to the vertical die-free stretcher, the fastening bolts and the T-shaped grooves are matched, so that the vertical die-free stretcher can adapt to workpiece bodies of different specifications, the universality and the flexibility of equipment are enhanced, the edge pressing ring is tightly attached to the edge of the upper surface of the workpiece body, the push plate is tightly attached to the lower surface of the workpiece body, the stability and the uniformity of a stretching process are ensured, the processing quality is improved, meanwhile, the equipment is simple in structure, the connection between parts is stable and easy to detach, the daily maintenance and the maintenance of the equipment are facilitated, and the practicability is high.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic three-dimensional structure of an embodiment of the present utility model;

FIG. 2 is a schematic rear view of a three-dimensional structure according to an embodiment of the present utility model;

FIG. 3 is a schematic view of an exploded three-dimensional structure of a bed according to an embodiment of the present utility model;

Fig. 4 is a schematic view of a partial three-dimensional structure of a lathe bed according to an embodiment of the utility model.

1, A foundation; 2, a lathe bed, 3, a central hydraulic cylinder, 4, a hydraulic pump station, 5, a distribution box, 6, a connecting rod, 7, an operation box, 8, a push plate, 9, a workpiece body, 10, a blank holder, 11, a T-shaped groove, 12 and a fastening bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "open," "upper," "middle," "length," "inner," and the like indicate an orientation or a positional relationship, and are merely for convenience of describing the present utility model and simplifying the description, but do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In order to keep the following description of the embodiments of the present utility model clear and concise, the detailed description of known functions and known components thereof have been omitted.

Example 1 referring to fig. 1-4, a stretcher comprising:

The device comprises a foundation 1, wherein one side of the upper surface of the foundation 1 is fixedly connected with a lathe bed 2 through bolts, the upper end of the lathe bed 2 is provided with a workpiece body 9, and the middle part of the lathe bed 2 is fixedly connected with a central hydraulic cylinder 3 for providing thrust to stretch the workpiece body 9;

The limiting assembly comprises a blank holder 10 arranged at the upper end of the lathe bed 2, the lower surface of the blank holder 10 is tightly attached to the edge of the upper surface of the workpiece body 9 and used for limiting and pressing the edge of the workpiece to the workpiece body 9 and bearing the reactive force of the thrust of the central hydraulic cylinder 3.

In the above technical scheme, through placing the work piece body 9 in lathe bed 2 upper end to fix a position through spacing subassembly, the blank holder 10 in the spacing subassembly closely laminates with the edge of work piece body 9 upper surface, realizes the spacing of compressing tightly to the work piece edge, and work piece body 9 warp under the thrust of center pneumatic cylinder 3 and blank holder 10.

In one aspect of this embodiment, as shown in fig. 3 and 4, a plurality of T-shaped grooves 11 are annularly formed in an upper end of the machine body 2, fastening bolts 12 are slidably connected in the T-shaped grooves 11, an upper end of each fastening bolt 12 penetrates through the blank holder 10 and is fixedly connected through nuts, and the workpiece body 9 is in clamping fit with the fastening bolts 12 for fixing and limiting the blank holder 10 and the workpiece body 9 and is suitable for the workpiece bodies 9 with different specifications.

In the above technical scheme, through a plurality of T-shaped grooves 11 that annular offered on lathe bed 2, sliding connection fastening bolt 12, fastening bolt 12's upper end runs through blank holder 10 and through nut fixed connection, work piece body 9 and fastening bolt 12 joint cooperation simultaneously, this design has not only ensured the steadiness of blank holder 10 and work piece body 9, through with fastening bolt 12 at the inside sliding adjustment of T-shaped groove 11 for this stretcher can be applicable to work piece body 9 of different specifications.

In one aspect of the present embodiment, as shown in fig. 2 and 4, the output end of the central hydraulic cylinder 3 is fixedly connected with a push plate 8, and the upper surface of the push plate 8 is closely attached to the lower surface of the workpiece body 9, so as to push and stretch the workpiece body 9.

In the above technical scheme, the central hydraulic cylinder 3 starts to work, the push plate 8 fixedly connected with the output end of the central hydraulic cylinder pushes the workpiece body 9 to stretch, the upper surface of the push plate 8 is tightly attached to the lower surface of the workpiece body 9, and the stability and uniformity of the stretching process are ensured.

The application can be used in the field of part stretching equipment, and can also be used in other fields suitable for the application.

Example 2 an improvement over example 1 is a vertical, die-less drawing machine, which is used in the field of parts processing equipment,

In one aspect of this embodiment, as shown in fig. 1, the other side of the upper surface of the foundation 1 is provided with a hydraulic pump station 4.

In the technical scheme, the hydraulic pump station 4 is arranged to provide power for the central hydraulic cylinder 3.

In one aspect of this embodiment, as shown in fig. 2, the upper end of the hydraulic pump station 4 is fixedly connected with a distribution box 5.

In the above technical scheme, the distribution box 5 is used for installing electric components.

In another aspect of the present embodiment, as shown in fig. 2, a connecting rod 6 is rotatably connected to one side of the upper end of the distribution box 5, and an operation box 7 is rotatably connected to the lower end of the connecting rod 6, for controlling the operation of the central hydraulic cylinder 3, and displaying the operating state of the apparatus.

In the technical scheme, the operation box 7 is used for controlling the action of the central hydraulic cylinder 3 and displaying the working state of the equipment in real time, so that a convenient operation interface and an intuitive monitoring means are provided for a user.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. A vertical dieless stretching machine, characterized in that it comprises:

The foundation (1) has a bed (2) fixedly connected to one side of the upper surface of the foundation (1) by bolts. The upper end of the bed (2) is provided with a workpiece body (9). The middle part of the bed (2) is fixedly connected with a central hydraulic cylinder (3) for providing thrust to stretch the workpiece body (9).

The limiting component includes a pressure ring (10) installed on the upper end of the bed (2). The lower surface of the pressure ring (10) is closely fitted with the edge of the upper surface of the workpiece body (9) to limit and press the edge of the workpiece body (9) and withstand the reaction force of the thrust of the central hydraulic cylinder (3).

2. A vertical dieless stretching machine as described in claim 1, characterized in that a plurality of T-slots (11) are provided in an annular shape at the upper end of the bed (2), and fastening bolts (12) are slidably connected inside the T-slots (11), the upper end of the fastening bolts (12) passes through the pressure ring (10) and is fixedly connected by a nut, and the workpiece body (9) is engaged with the fastening bolts (12) to fix and limit the pressure ring (10) and the workpiece body (9).

3. A vertical moldless stretching machine as described in claim 1, characterized in that a push plate (8) is fixedly connected to the output end of the central hydraulic cylinder (3), and the upper surface of the push plate (8) is closely attached to the lower surface of the workpiece body (9) for pushing and stretching the workpiece body (9).

4. A vertical moldless stretching machine as described in claim 1, characterized in that a hydraulic pump station (4) is provided on the other side of the upper surface of the foundation (1) for providing power to the central hydraulic cylinder (3).

5. A vertical moldless stretching machine as described in claim 4, characterized in that a power distribution box (5) is fixedly connected to the upper end of the hydraulic pump station (4).

6. A vertical moldless stretching machine as described in claim 5, characterized in that a connecting rod (6) is rotatably connected to one side of the upper end of the distribution box (5), and an operating box (7) is rotatably connected to the lower end of the connecting rod (6) for controlling the action of the central hydraulic cylinder (3) and displaying the working status of the equipment.