Vertical dieless stretcher

Abstract

The utility model discloses a vertical dieless stretcher, and relates to the technical field of part machining equipment. The device comprises a foundation, a lathe bed is fixedly connected to one side of the upper surface of the foundation through bolts, a workpiece body is arranged at the upper end of the lathe bed, and a central hydraulic cylinder is fixedly connected to the middle of the lathe bed and used for providing thrust to stretch the workpiece body. According to the utility model, by adopting a dieless processing principle and without a special die, 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 structural design is reasonable, the operation steps are simple, complicated operation skills are not needed, the technical requirements on operators are reduced, and the production efficiency is improved. The device is simple in structure and convenient to operate, production efficiency is improved, the device can adapt to workpiece bodies of different specifications through cooperation of fastening bolts and T-shaped grooves, universality and flexibility of the device are enhanced, and stability and uniformity in the stretching process are guaranteed through arrangement of a blank holder.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of part processing equipment, especially relates to a vertical dieless stretcher. BACKGROUND

[0002] In the part processing field, especially for the processing of large size shallow disc type parts, the traditional processing method mainly adopts the conventional 4-column oil press for die pressing processing, however, this method has the following shortcomings:

[0003] 1, the traditional part stretching processing equipment uses the requirement to be higher, means that the enterprise needs to invest more funds in the purchase and maintenance of this kind of high specification equipment, secondly, the die cost is expensive, this increases the production cost, for the enterprise which needs to produce different specifications of parts in large quantities, the accumulation of die cost will be a not small expense, finally, the traditional die pressing processing mode may need complex operation steps and higher operation skills, which limits the improvement of production efficiency to some extent, is not favorable to improve the practicability of its equipment.

[0004] Therefore, we propose a vertical dieless stretcher. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at solving the prior art in the traditional part stretching processing equipment uses the requirement to be higher, means that the enterprise needs to invest more funds in the purchase and maintenance of this kind of high specification equipment, secondly, the die cost is expensive, this increases the production cost, for the enterprise which needs to produce different specifications of parts in large quantities, the accumulation of die cost will be a not small expense, finally, the traditional die pressing processing mode may need complex operation steps and higher operation skills, which limits the improvement of production efficiency to some extent, is not favorable to improve the practicability of its equipment, and proposes a vertical dieless stretcher.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme:

[0007] A vertical dieless stretcher, comprising:

[0008] The upper end of the bed body is provided with a workpiece body, the middle part of the bed body is fixedly connected with a center hydraulic cylinder for providing a thrust to stretch the workpiece body;

[0009] The limit assembly comprises a pressure ring mounted on the upper end of the bed body, the lower surface of the pressure ring is closely attached to the edge of the upper surface of the workpiece body, for limiting and pressing the workpiece edge of the workpiece body, and bearing the reaction force of the thrust of the center hydraulic cylinder.

[0010] In a possible design, the upper end of the bed body is annularly provided with a plurality of T-shaped grooves, the inside of the T-shaped grooves is slidably connected with a fastening bolt, the upper end of the fastening bolt penetrates through the edge ring and is fixedly connected through a nut, the workpiece body is clamped with the fastening bolt, and the edge ring and the workpiece body are fixed and limited.

[0011] In a possible design, the output end of the center hydraulic cylinder is fixedly connected with a push plate, the upper surface of the push plate is tightly attached to the lower surface of the workpiece body, and the workpiece body is pushed and stretched.

[0012] In a possible design, the other side of the upper surface of the foundation is provided with a hydraulic pump station for providing power for the center hydraulic cylinder.

[0013] In a possible design, the upper end of the hydraulic pump station is fixedly connected with a distribution box.

[0014] In a possible design, one side of the upper end of the distribution box is rotatably connected with a connecting rod, and the lower end of the connecting rod is rotatably connected with an operation box for controlling the action of the center hydraulic cylinder and displaying the working state of the equipment.

[0015] In the application, first, the workpiece body is placed on the upper end of the bed body and positioned through the limiting assembly, the edge ring in the limiting assembly is tightly attached to the edge of the upper surface of the workpiece body, the edge of the workpiece body is limited and compressed, the fastening bolt is slidably connected through the plurality of T-shaped grooves annularly arranged on the upper end of the bed body, the upper end of the fastening bolt penetrates through the edge ring and is fixedly connected through a nut, and the workpiece body is clamped with the fastening bolt, which not only ensures the stability of the edge ring and the workpiece body, but also makes the stretcher suitable for workpiece bodies of different specifications, the hydraulic pump station provides power for the center hydraulic cylinder, the center hydraulic cylinder starts to work, the push plate fixedly connected with the output end of the center 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 center hydraulic cylinder can be controlled, and the working state of the equipment can be displayed in real time, which provides a convenient operation interface and an intuitive monitoring means for the user.

[0016] In the utility model, the vertical dieless stretcher adopts the dieless machining principle, greatly reduces the use cost without a special die, improves production flexibility, reduces the labor intensity of employee operation, shortens auxiliary work time, has reasonable structure design, simple operation steps, does not need complicated operation skills, reduces the technical requirement for the operator, and improves production efficiency.

[0017] The utility model discloses a vertical die -free stretcher, through the cooperation of fastening bolt and T -groove, can adapt to different specifications workpiece body, has strengthened the versatility and flexibility of equipment, and the edge of the upper surface of the workpiece body is closely combined with the edge of the edge ring, the lower surface of the workpiece body is closely combined with the push plate, has guaranteed the stability and uniformity of the drawing process, has improved the processing quality, and simultaneously, the equipment structure is simple, and the connection between parts is stable and easy to disassemble, has facilitated the daily maintenance and maintenance of equipment, and the practicality is high. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be to the embodiment described needed to use the drawing makes a simple introduction, obviously, the following description in the drawing only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0019] Figure 1 It is three-dimensional structure schematic view of an embodiment of the utility model;

[0020] Figure 2 It is rear view three-dimensional structure schematic view of an embodiment of the utility model;

[0021] Figure 3 It is bed body explosion three-dimensional structure schematic view of an embodiment of the utility model;

[0022] Figure 4 It is bed body partial three-dimensional structure schematic view of an embodiment of the utility model.

[0023] In the drawing: 1, foundation;2, bed body;3, center hydraulic cylinder;4, hydraulic pump station;5, distribution box;6, connecting rod;7, operation box;8, push plate;9, workpiece body;10, edge ring;11, T -groove;12, fastening bolt. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments only some embodiments of the utility model, not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled person in the art without creative labor belong to the scope of protection of the utility model.

[0025] In the description of the utility model, it is understood that the terms "opening", "upper", "middle", "length", "inner" and the like indicate the orientation or positional relationship, which is only for the convenience of describing the utility model and simplifying the description, and does 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 therefore cannot be understood as a limitation on the utility model.

[0026] In order to keep the following description of the embodiments of the utility model clear and concise, the utility model omits the detailed description of known functions and known components.

[0027] Embodiment 1: refer to Figures 1-4 A stretching machine, comprising:

[0028] The upper surface of the foundation 1 is fixedly connected with the lathe bed 2 on one side through bolts, the upper end of the lathe bed 2 is provided with a workpiece body 9, the middle part of the lathe bed 2 is fixedly connected with a center hydraulic cylinder 3 for providing a thrust force to stretch the workpiece body 9.

[0029] The limiting assembly comprises a pressure ring 10 installed on the upper end of the lathe bed 2, the lower surface of the pressure ring 10 is tightly attached to the edge of the upper surface of the workpiece body 9, and the pressure ring 10 is used for limiting and pressing the edge of the workpiece body 9 to bear the reaction force of the thrust force of the center hydraulic cylinder 3.

[0030] In the above technical scheme, the workpiece body 9 is placed on the upper end of the lathe bed 2, and is positioned by the limiting assembly, the pressure ring 10 in the limiting assembly is tightly attached to the edge of the upper surface of the workpiece body 9, the limiting and pressing of the edge of the workpiece body 9 are realized, and the workpiece body 9 is deformed under the thrust force of the center hydraulic cylinder 3 and the pressure ring 10.

[0031] In one aspect of the embodiment, as shown in Figure 3 and Figure 4 The upper end of the lathe bed 2 is annularly provided with a plurality of T-shaped grooves 11, the inside of the T-shaped grooves 11 is slidably connected with a fastening bolt 12, the upper end of the fastening bolt 12 penetrates through the pressure ring 10 and is fixedly connected through a nut, the workpiece body 9 is in clamping cooperation with the fastening bolt 12, and the pressure ring 10 and the workpiece body 9 are fixedly positioned and suitable for different specifications of workpiece bodies 9.

[0032] In the above technical scheme, the plurality of T-shaped grooves 11 are annularly provided on the upper end of the lathe bed 2, the fastening bolt 12 is slidably connected, the upper end of the fastening bolt 12 penetrates through the pressure ring 10 and is fixedly connected through a nut, and the workpiece body 9 is in clamping cooperation with the fastening bolt 12, which not only ensures the stability of the pressure ring 10 and the workpiece body 9, but also makes the stretching machine suitable for different specifications of workpiece bodies 9 by sliding adjustment of the fastening bolt 12 in the T-shaped groove 11.

[0033] In one aspect of the embodiment, as shown inFigure 2 and Figure 4 As shown, a push plate 8 is fixedly connected to the output end of the central hydraulic cylinder 3. The upper surface of the push plate 8 is in close contact with the lower surface of the workpiece body 9, and is used to push and stretch the workpiece body 9.

[0034] In the above technical solution, the central hydraulic cylinder 3 starts working, and the push plate 8 fixedly connected to its output end pushes the workpiece body 9 to stretch. The upper surface of the push plate 8 is in close contact with the lower surface of the workpiece body 9 to ensure the stability and uniformity of the stretching process.

[0035] This application can be used in the field of parts stretching equipment, or in other fields applicable to this application.

[0036] Example 2: An improvement on Example 1: A vertical dieless stretching machine, which is used in the field of parts processing equipment.

[0037] In one aspect of this embodiment, such as Figure 1 As shown, a hydraulic pump station 4 is installed on the other side of the upper surface of foundation 1.

[0038] In the above technical solution, a hydraulic pump station 4 is set up to provide power to the central hydraulic cylinder 3.

[0039] In one aspect of this embodiment, such as Figure 2 As shown, the upper end of the hydraulic pump station 4 is fixedly connected to the electrical distribution box 5.

[0040] In the above technical solution, a distribution box 5 is set up to install electrical components.

[0041] In another aspect of this embodiment, such as Figure 2 As shown, 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, which is used to control the action of the central hydraulic cylinder 3 and display the working status of the equipment.

[0042] In the above technical solution, by setting up an operation box 7, the action of the central hydraulic cylinder 3 is controlled and the working status of the equipment is displayed in real time, which provides users with a convenient operation interface and intuitive monitoring methods.

[0043] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0044] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A vertical free-form drawing machine, characterized by, Include: The foundation (1), the upper surface of the foundation (1) is connected with the lathe bed (2) on one side by bolt, the upper end of the lathe bed (2) is provided with the workpiece body (9), the middle part of the lathe bed (2) is fixedly connected with the center hydraulic cylinder (3), which is used to provide thrust to stretch the workpiece body (9). The limiting assembly includes a blank holder (10) installed on the upper end of the lathe bed (2), the lower surface of the blank holder (10) is closely attached to the edge of the upper surface of the workpiece body (9), which is used to limit the workpiece body (9) and press the workpiece edge, and bear the reaction force of the thrust of the center hydraulic cylinder (3).

2. A vertical free stretch machine as claimed in claim 1, characterized in that, The upper end of the lathe bed (2) is annularly provided with a plurality of T-shaped grooves (11), the inside of the T-shaped grooves (11) is slidably connected with a fastening bolt (12), the upper end of the fastening bolt (12) penetrates the blank holder (10) and is fixedly connected through a nut, the workpiece body (9) is connected with the fastening bolt (12), which is used to fix and limit the blank holder (10) and the workpiece body (9).

3. A vertical free stretch machine as claimed in claim 1, wherein, The output end of the center hydraulic cylinder (3) is fixedly connected with a push plate (8), the upper surface of the push plate (8) is closely attached to the lower surface of the workpiece body (9), which is used to push and stretch the workpiece body (9).

4. A vertical free stretch machine as claimed in claim 1, wherein, The other side of the upper surface of the foundation (1) is provided with a hydraulic pump station (4), which is used to provide power for the center hydraulic cylinder (3).

5. A vertical free stretch machine as claimed in claim 4, characterized in that The upper end of the hydraulic pump station (4) is fixedly connected with a distribution box (5).

6. A vertical free stretch machine as claimed in claim 5, characterized in that, One side of the upper end of the distribution box (5) is rotatably connected with a connecting rod (6), the lower end of the connecting rod (6) is rotatably connected with an operation box (7), which is used to control the action of the center hydraulic cylinder (3) and display the working state of the equipment.

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