Workpiece clamp of vertical machining center

Abstract

The workpiece clamp of the vertical machining center comprises a supporting plate, and a plurality of internal and external reducing type clamping assemblies are evenly distributed on the circumference of the upper surface of the supporting plate. Each inner-outer diameter-variable clamping assembly is provided with a base, the side, facing the center of the corresponding inner-outer diameter-variable clamping assembly, of each base is rotationally provided with an inner clamping plate through an inner rotating shaft, the side, back to the center of the corresponding inner-outer diameter-variable clamping assembly, of each base is rotationally provided with an outer clamping plate through an outer rotating shaft, and the top of each inner rotating shaft penetrates out of the corresponding base and is connected with an inner spline rod. The top of the outer clamping plate penetrates out of the base and is connected with an outer spline rod and an inner spline rod, a plurality of spline edges are evenly distributed on the outer wall of the outer spline rod, a limiting rod is arranged at the top of the base in a penetrating mode between the inner spline rod and the outer spline rod, the limiting rod is sleeved with a limiting plate, and a spline hole is formed in the limiting plate. The inner spline rod or the outer spline rod is arranged in a spline hole in the limiting plate in a penetrating mode. The clamping device is comprehensive in function, the clamping angle can be adjusted according to the size of a workpiece, and higher adaptability is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of workpiece jigs, in particular to a workpiece jig for a vertical machining center. Background Art

[0002] A vertical machining center is a highly automated multi-functional numerical control machine tool with a tool magazine and an automatic tool changer, and is used for machining mechanical parts.

[0003] During the machining process of a vertical machining center on a workpiece, it is necessary to use a supporting jig to clamp the workpiece. The jigs are mostly designed separately for a certain product, with a small range of use and poor adaptability. Summary of the Utility Model

[0004] The utility model aims to solve the deficiencies of the prior art and provides a workpiece jig for a vertical machining center.

[0005] To achieve the above object, the utility model adopts the following technical solutions:

[0006] A workpiece jig for a vertical machining center includes a support plate, and a plurality of inner and outer diameter variable clamping components are evenly distributed in a circumferential manner on the upper surface of the support plate;

[0007] Each inner and outer diameter variable clamping component includes a base fixed on the upper surface of the support plate. One side of the base facing the center of the plurality of inner and outer diameter variable clamping components is rotatably installed with an inner clamping plate through an inner rotating shaft, and the other side of the base facing away from the center of the plurality of inner and outer diameter variable clamping components is rotatably installed with an outer clamping plate through an outer rotating shaft. The top of the inner rotating shaft passes out of the base and is connected with an inner spline rod, and the top of the outer clamping plate passes out of the base and is connected with an outer spline rod. A plurality of spline edges are evenly distributed on the outer walls of the inner spline rod and the outer spline rod. A limiting rod is arranged at the middle position between the inner spline rod and the outer spline rod at the top of the base, a limiting plate is sleeved on the limiting rod, a spline hole is opened on the limiting plate, and the inner spline rod or the outer spline rod is inserted into the spline hole on the limiting plate.

[0008] The inner end face of the inner clamping plate is an arc structure.

[0009] The outer end face of the outer clamping plate is an arc structure.

[0010] The beneficial effect of the utility model is that the utility model has comprehensive functions, can adjust the clamping angle according to the size of the workpiece, and has higher adaptability. Brief Description of the Drawings

[0011] Figure 1 is a structural schematic diagram of the utility model;

[0012] Figure 2 is a structural schematic diagram of the inner and outer diameter variable clamping component;

[0013] Figure 3 Schematic diagram of the internal clamping of the workpiece of the present utility model;

[0014] Figure 4 Schematic diagram of the external clamping of the workpiece of the present utility model;

[0015] In the figure: 1 - support plate; 2 - internal and external variable - diameter clamping assembly; 3 - slideway; 4 - internal workpiece; 5 - external workpiece;

[0016] 21 - base; 22 - inner clamping plate; 23 - outer clamping plate; 24 - inner spline rod; 25 - outer spline rod; 26 - spline edge; 27 - limit rod; 28 - limit plate; 29 - inner installation groove; 210 - outer installation groove; 211 - pull ring;

[0017] The following will be described in detail with reference to the embodiments of the present utility model and the accompanying drawings. Specific embodiments

[0018] The following describes the principles and features of the present utility model with reference to the accompanying drawings. The examples given are only used to explain the present utility model and are not intended to limit the scope of the present utility model. In the following paragraphs, the present utility model will be described more specifically by way of example with reference to the accompanying drawings. According to the following description, the advantages and features of the present utility model will be clearer. It should be noted that the drawings are all in a very simplified form and use non - precise scales, only for the purpose of conveniently and clearly assisting in explaining the purpose of the embodiments of the present utility model.

[0019] It should be noted that when a component is referred to as "fixed to" another component, it can be directly on the other component or there may also be an intermediate component. When a component is considered to be "connected" to another component, it can be directly connected to the other component or there may be an intermediate component at the same time. When a component is considered to be "disposed on" another component, it can be directly disposed on the other component or there may be an intermediate component at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for the purpose of illustration.

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present utility model belongs. The terms used in the description of the present utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the present utility model. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0021] The following further illustrates the present utility model with reference to the accompanying drawings and embodiments:

[0022] A workpiece fixture for a vertical machining center, as Figure 1As shown, it includes a support plate 1, and a number of inner and outer diameter-variable clamping components 2 are evenly distributed around the circumference of the upper surface of the support plate 1.

[0023] The support plate 1 provides a support platform for the workpiece, and two slideways 3 are arranged in parallel at the bottom of the support plate 1, and it can be installed on the slide rail of the vertical machining center through the slideways 3.

[0024] Each inner and outer diameter-variable clamping component 2, as Figure 2 shown, includes a base 21 fixed on the upper surface of the support plate 1. On one side of the base 21 facing the center of a number of inner and outer diameter-variable clamping components 2, an inner clamping plate 22 is rotatably installed through an inner rotating shaft. On the side of the base 21 facing away from the center of a number of inner and outer diameter-variable clamping components 2, an outer clamping plate 23 is rotatably installed through an outer rotating shaft. The top of the inner rotating shaft passes through the outside of the base 21 and is connected with an inner spline rod 24. The top of the outer clamping plate 23 passes through the outside of the base 21 and is connected with an outer spline rod 25. A number of spline edges 26 are evenly distributed on the outer walls of the inner spline rod 24 and the outer spline rod 25. A limiting rod 27 is arranged through the middle position between the inner spline rod 24 and the outer spline rod 25 at the top of the base 21. A limiting plate 28 is sleeved on the limiting rod 27, and a spline hole is opened on the limiting plate 28. The inner spline rod 24 or the outer spline rod 25 is arranged in the spline hole on the limiting plate 28.

[0025] On one side of the base 21 facing the center of a number of inner and outer diameter-variable clamping components 2, an inner installation groove 29 is provided, and the inner clamping plate 22 is rotatably installed in the inner installation groove 29 through an inner rotating shaft.

[0026] On the side of the base 21 facing away from the center of a number of inner and outer diameter-variable clamping components 2, an outer installation groove 210 is provided, and the outer clamping plate 23 is rotatably installed in the outer installation groove 210 through an outer rotating shaft.

[0027] The inner end face of the inner clamping plate 22 is an arc structure.

[0028] The outer end face of the outer clamping plate 23 is an arc structure.

[0029] A pull ring 211 is arranged at the top of the limiting rod 27.

[0030] When the utility model is in use, a number of inner clamping plates 22 can be used to clamp the internal workpiece 4, as Figure 3 shown. The internal workpiece 4 can be a Figure 3 square structure as shown, or a circular structure or other types of structures. When clamping, the inner clamping plate 22 is adjusted to the correct position for clamping according to the actual size of the internal workpiece 4, then the spline hole of the limiting plate 28 is arranged on the inner spline rod 24, and finally the limiting rod 27 is inserted to realize connection and fixation.

[0031] When the utility model is in use, a number of outer clamping plates 23 can also be used to clamp the external workpiece 5, as Figure 4The external workpiece 5 can be Figure 4 When clamping, the outer clamping plate 23 is adjusted to the actual size of the external workpiece 5 until the clamping is correct, and then the spline hole of the limit plate 28 is penetrated on the outer spline rod 25, and finally the limit rod 27 is penetrated to achieve connection and fixation.

[0032] The utility model has comprehensive functions, can adjust the clamping angle according to the size of the workpiece, and has higher adaptability.

[0033] The utility model is described above by way of example in conjunction with the accompanying drawings. It is obvious that the specific implementation of the utility model is not limited to the above-mentioned method. As long as various improvements are made using the method concept and technical solution of the utility model, or it is directly applied to other occasions without improvement, it is within the protection scope of the utility model.

Claims

1. A workpiece fixture for a vertical machining center, characterized in that: It comprises a support plate (1), wherein a plurality of inner and outer diameter-changing clamping components (2) are evenly distributed on the circumference of the upper surface of the support plate (1); Each inner and outer diameter reducing clamping assembly (2) comprises a base (21) fixed on the upper surface of the support plate (1); an inner clamping plate (22) is rotatably mounted on the side of the base (21) facing the center of the plurality of inner and outer diameter reducing clamping assemblies (2) via an inner rotating shaft; an outer clamping plate (23) is rotatably mounted on the side of the base (21) facing away from the center of the plurality of inner and outer diameter reducing clamping assemblies (2) via an outer rotating shaft; the top of the inner rotating shaft passes through the outside of the base (21) and is connected to an inner spline rod (24); the outer clamping plate (23) The top portion passes through the outside of the base (21) and is connected to an outer spline rod (25); a plurality of spline edges (26) are evenly distributed on the outer walls of the inner spline rod (24) and the outer spline rod (25); a limit rod (27) is passed through the top of the base (21) at a position between the inner spline rod (24) and the outer spline rod (25); a limit plate (28) is sleeved on the limit rod (27); a spline hole is opened on the limit plate (28); the inner spline rod (24) or the outer spline rod (25) is passed through the spline hole on the limit plate (28).

2. A workpiece fixture for a vertical machining center according to claim 1, characterized in that: An inner mounting groove (29) is provided on one side of the base (21) facing the center of the plurality of inner and outer diameter-changing clamping assemblies (2), and the inner clamping plate (22) is rotatably mounted in the inner mounting groove (29) via an inner rotating shaft.

3. A workpiece fixture for a vertical machining center according to claim 2, characterized in that: An outer mounting groove (210) is provided on one side of the base (21) facing away from the center of the plurality of inner and outer diameter-changing clamping assemblies (2), and the outer clamping plate (23) is rotatably mounted in the outer mounting groove (210) via an outer rotating shaft.

4. A workpiece fixture for a vertical machining center according to claim 3, characterized in that: The inner end surface of the inner clamping plate (22) is an arc-shaped structure.

5. A workpiece fixture for a vertical machining center according to claim 4, characterized in that: The outer end surface of the outer clamping plate (23) is an arc-shaped structure.

6. A workpiece fixture for a vertical machining center according to claim 5, characterized in that: A pull ring (211) is provided on the top of the limiting rod (27).

7. A workpiece fixture for a vertical machining center according to claim 6, characterized in that: Two slideways (3) are arranged in parallel at the bottom of the support plate (1).

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