Hollow hydraulic fixed spring jacket

Abstract

The utility model discloses a hollow hydraulic fixed spring jacket, which belongs to the technical field of spring jackets, and comprises a built-in oil cylinder cavity, an oil cylinder upper cover is fixed to the outer wall of the built-in oil cylinder cavity, a jacket fixing flange is fixed to the outer wall of the oil cylinder upper cover, the jacket fixing flange is in a circular ring shape, a spring jacket is fixed to the circle center of the jacket fixing flange, a sliding hole is formed in one end of the built-in oil cylinder cavity, and a hollow piston slides in the sliding hole of the built-in oil cylinder cavity. According to the utility model, the spring jacket is axially limited, moves in the X direction and the Y direction with freedom degrees, and is positioned in the X direction and the Y direction according to the taper of the piston, so that the repeated positioning of a product in each clamping is consistent and accurate.

Description

Technical Field

[0001] The utility model relates to the technical field of spring jackets, in particular to a hollow hydraulic fixed spring jacket. Background Art

[0002] A spring collet is a fastener used in fixtures to secure stepped shafts and joints, preventing them from moving or rotating during machining. A spring collet typically consists of a spring, a collet, and a fixture arm. The spring is the core component of the fixture, providing a constant elastic force to ensure workpiece stability; the collet protects the spring and provides enhanced vertical support. This structural design allows the spring collet to provide strong clamping force and adapt to varying workpiece shapes and sizes.

[0003] The current conventional design of spring clips is to be directly fixed for use or fixed on the piston for controlled movement. The disadvantage is that the position of the product is inconsistent each time it is positioned, which affects the processing.

[0004] Based on this, the utility model designs a hollow hydraulic fixed spring jacket to solve the above problems. Summary of the Invention

[0005] The purpose of the utility model is to provide a hollow hydraulic fixed spring jacket to solve the above technical problems.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hollow hydraulic fixed spring jacket, comprising: a built-in oil cylinder cavity; a cylinder upper cover is fixed to the outer wall of the built-in oil cylinder cavity, a jacket fixing flange is fixed to the outer wall of the cylinder upper cover, the jacket fixing flange is annular and a spring jacket is fixed at the center of the circle, a sliding hole is provided at one end of the built-in oil cylinder cavity, a hollow piston slides in the sliding hole of the built-in oil cylinder cavity, a notch is provided at one end of the piston and the taper of the notch is adapted to the taper of the tightening end of the spring jacket.

[0007] Preferably, an oil cavity is formed on the inner wall of the sliding hole of the built-in oil cylinder cavity, a sealing assembly is fixed on the outer wall of the piston, and the outer ring end of the sealing assembly slides in the sliding groove.

[0008] Preferably, an oil channel is opened on the outer wall of the built-in oil cylinder cavity, and one end of the oil channel is connected to the oil cavity.

[0009] Compared with the prior art, the beneficial effects of the present invention are: the spring jacket is axially limited, has freedom to move in the XY direction, and is positioned in the XY direction according to the piston taper. In summary, the piston taper displacement causes the spring jacket to deform, and the spring jacket is positioned in the XYZ direction during the deformation process, and the inner cavity tightens and supports the product, ensuring that the product is consistently and accurately positioned each time it is clamped and repeatedly positioned. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0011] Figure 1 This is a schematic diagram of the overall structure of this embodiment;

[0012] Figure 2 This is a schematic diagram showing the clamping state of the workpiece in this embodiment;

[0013] Figure 3 This is a schematic diagram highlighting the piston structure of this embodiment;

[0014] Figure 4 The schematic diagram of the spring jacket structure is highlighted for this embodiment;

[0015] Figure 5 This is a schematic diagram highlighting the structure of the built-in oil cylinder cavity in this embodiment.

[0016] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0017] 1. Built-in oil cylinder cavity; 2. Oil cylinder cover; 3. Jacket fixing flange; 4. Spring jacket; 5. Piston; 6. Oil chamber; 7. Sealing assembly; 8. Oil channel. DETAILED DESCRIPTION

[0018] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] See also Figure 1-5 The utility model provides a technical solution: a hollow hydraulic fixed spring jacket, comprising: a built-in oil cylinder cavity 1; a cylinder upper cover 2 is fixed to the outer wall of the built-in oil cylinder cavity 1, a jacket fixing flange 3 is fixed to the outer wall of the cylinder upper cover 2, the jacket fixing flange 3 is annular and a spring jacket 4 is fixed at the center of the circle, a sliding hole is opened at one end of the built-in oil cylinder cavity 1, a hollow piston 5 slides in the sliding hole of the built-in oil cylinder cavity 1, a notch is opened at one end of the piston 5, and the taper of the notch is adapted to the taper of the tightening end of the spring jacket 4;

[0020] The built-in oil cylinder cavity 1, the oil cylinder upper cover 2 and the jacket fixing flange 3 are connected. The inner ring wall of the annular jacket fixing flange 3 is provided with a groove, and the spring jacket 4 is fixed in its groove. The parts to be clamped can be placed from the jacket fixing flange 3 toward the spring jacket 4. The sliding hole of the built-in oil cylinder cavity 1 is moved by the piston 5. The collecting end of the spring jacket 4 has a certain taper, and the recess provided by the piston 5 corresponds to the tightening end of the spring jacket 4, and also has an adaptive taper to control the tightening of the spring jacket 4. The spring jacket 4 has freedom to move in the XY direction and is positioned in the XY direction according to the taper of the piston 5.

[0021] Preferably, an oil chamber 6 is provided on the inner wall of the sliding hole of the built-in oil cylinder cavity 1, a sealing assembly 7 is fixed on the outer wall of the piston 5, and the outer ring end of the sealing assembly 7 slides in the sliding groove;

[0022] The oil chamber 6 of the built-in oil cylinder cavity 1 is used for the oil of the hydraulic system to control the movement of the sealing assembly. The sealing assembly 7 is integrated with the piston 5, and its outer ring end is used to set a standard sealing ring to assist in controlling the reciprocating movement of the piston 5.

[0023] Preferably, an oil passage 8 is provided on the outer wall of the built-in oil cylinder cavity 1, and one end of the oil passage 8 is connected to the oil cavity 6;

[0024] An external hydraulic control system is connected through the oil passage 8 of the built-in oil cylinder cavity 1 , and the hydraulic oil is connected to the oil chamber 6 of the built-in oil cylinder cavity 1 to ensure the operation of the piston 5 .

[0025] A specific application of this embodiment is: by connecting an external hydraulic control system through the oil channel 8, during batch processing operations, stepped shafts, joints, and small parts that are difficult to be clamped by the pressure plate, and parts that need to be processed at both ends, can be placed in the spring jacket 4 through the jacket fixing flange 3, and the oil of the hydraulic system enters and exits the oil chamber 6 of the built-in cylinder cavity 1 through the oil channel 7 to control the movement of the piston 5. The tightening end of the spring jacket 4 is squeezed and tightened through the tapered notch at one end of the piston 5 to clamp the placed parts. The tightening end of the spring jacket 4 is controlled by the notch of the piston 5, so that the repeated clamping accuracy of the parts during batch processing remains consistent.

[0026] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "two ends", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element 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 present invention.

[0027] In the present invention, unless otherwise clearly stipulated and limited, the terms "install", "set", "connect", "fix", "screw" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.

[0028] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Hollow hydraulic fixed spring jacket, characterized by: include: A built-in oil cylinder cavity (1); an oil cylinder upper cover (2) is fixed to the outer wall of the built-in oil cylinder cavity (1); a jacket fixing flange (3) is fixed to the outer wall of the oil cylinder upper cover (2); the jacket fixing flange (3) is annular and a spring jacket (4) is fixed at the center of the circle; a sliding hole is opened at one end of the built-in oil cylinder cavity (1); a hollow piston (5) slides in the sliding hole of the built-in oil cylinder cavity (1); a notch is opened at one end of the piston (5); and the taper of the notch is adapted to the taper of the tightening end of the spring jacket (4).

2. The hollow hydraulic fixed spring jacket according to claim 1, characterized in that: An oil cavity (6) is provided on the inner wall of the sliding hole of the built-in oil cylinder cavity (1), a sealing component (7) is fixed to the outer wall of the piston (5), and the outer ring end of the sealing component (7) slides in the sliding groove.

3. The hollow hydraulic fixed spring collet according to claim 2, characterized in that: An oil passage (8) is provided on the outer wall of the built-in oil cylinder cavity (1), and one end of the oil passage (8) is connected to the oil cavity (6).

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